./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1181850468 <...> VAL (Invalid argument) [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6839] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6847 [pid 6847] setpgid(0, 0 [pid 6845] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... setpgid resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6845] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6847] <... openat resumed>) = 3 [pid 6845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6842] <... futex resumed>) = 1 [pid 6840] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6839] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] <... futex resumed>) = 0 [pid 6842] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] write(3, "1000", 4 [pid 6845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] <... write resumed>) = 4 [pid 6845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6847] close(3 [pid 6845] <... mmap resumed>) = 0x7f2f310d3000 [pid 6847] <... close resumed>) = 0 [pid 6845] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6842] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = 1 [pid 6847] write(1, "executing program\n", 18 [pid 6845] <... mprotect resumed>) = 0 [pid 6842] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0executing program [pid 6847] <... write resumed>) = 18 [pid 6845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6842] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6838] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6847] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6842] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6847] <... futex resumed>) = 0 [pid 6845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6848 attached [pid 6847] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6842] <... futex resumed>) = 0 [pid 6838] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6838] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6848 ./strace-static-x86_64: Process 6849 attached [pid 6847] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6849] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6845] <... clone3 resumed> => {parent_tid=[6849]}, 88) = 6849 [pid 6849] <... rseq resumed>) = 0 [pid 6847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6845] rt_sigprocmask(SIG_SETMASK, [], [pid 6838] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6849] set_robust_list(0x7f2f310f39a0, 24 [pid 6848] set_robust_list(0x555592b0f6a0, 24 [pid 6847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6849] <... set_robust_list resumed>) = 0 [pid 6847] <... mmap resumed>) = 0x7f2f310d3000 [pid 6849] rt_sigprocmask(SIG_SETMASK, [], [pid 6848] <... set_robust_list resumed>) = 0 [pid 6840] <... madvise resumed>) = 0 [pid 6849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6847] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6845] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] userfaultfd(UFFD_USER_MODE_ONLY [pid 6848] <... prctl resumed>) = 0 [pid 6847] <... mprotect resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6840] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... userfaultfd resumed>) = 3 [pid 6848] setpgid(0, 0 [pid 6847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6845] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] <... futex resumed>) = 0 [pid 6840] <... futex resumed>) = 1 [pid 6849] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... setpgid resumed>) = 0 [pid 6847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] <... madvise resumed>) = 0 [pid 6849] <... futex resumed>) = 0 [pid 6847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6845] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] exit_group(0 [pid 6849] ioctl(3, UFFDIO_API, NULL./strace-static-x86_64: Process 6850 attached ) = -1 EFAULT (Bad address) [pid 6848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6846] <... futex resumed>) = ? [pid 6845] <... futex resumed>) = 0 [pid 6842] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... futex resumed>) = ? [pid 6839] <... exit_group resumed>) = ? [pid 6850] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6849] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... clone3 resumed> => {parent_tid=[6850]}, 88) = 6850 [pid 6846] +++ exited with 0 +++ [pid 6845] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] <... futex resumed>) = 0 [pid 6850] <... rseq resumed>) = 0 [pid 6849] <... futex resumed>) = 0 [pid 6847] rt_sigprocmask(SIG_SETMASK, [], [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] +++ exited with 0 +++ [pid 6850] set_robust_list(0x7f2f310f39a0, 24 [pid 6849] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6845] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... set_robust_list resumed>) = 0 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6847] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 0 [pid 6838] exit_group(0 [pid 6850] rt_sigprocmask(SIG_SETMASK, [], [pid 6849] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6847] <... futex resumed>) = 0 [pid 6845] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6850] userfaultfd(UFFD_USER_MODE_ONLY [pid 6849] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6847] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... userfaultfd resumed>) = 3 [pid 6850] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6847] <... futex resumed>) = 0 [pid 6850] ioctl(3, UFFDIO_API, NULL [pid 6847] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6850] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = 0 [pid 6850] <... futex resumed>) = 0 [pid 6849] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6849] <... futex resumed>) = 1 [pid 6847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] <... futex resumed>) = 0 [pid 6850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6849] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6847] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6847] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6849] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6847] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6848] <... openat resumed>) = 3 [pid 6845] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... futex resumed>) = ? [pid 6839] +++ exited with 0 +++ [pid 6838] <... exit_group resumed>) = ? [pid 6848] write(3, "1000", 4 [pid 6842] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6839, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6848] <... write resumed>) = 4 [pid 6850] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6847] <... futex resumed>) = 0 [pid 6847] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6847] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6848] close(3 [pid 6838] +++ exited with 0 +++ [pid 6848] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6838, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6848] write(1, "executing program\n", 18 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6848] <... write resumed>) = 18 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6851 ./strace-static-x86_64: Process 6851 attached [pid 6848] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 6851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6851] setpgid(0, 0) = 0 [pid 6848] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6852 attached executing program [pid 6851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6848] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6852 [pid 6852] set_robust_list(0x555592b0f6a0, 24 [pid 6848] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6852] <... set_robust_list resumed>) = 0 [pid 6848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6851] <... openat resumed>) = 3 [pid 6848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6851] write(3, "1000", 4) = 4 [pid 6848] <... mmap resumed>) = 0x7f2f310d3000 [pid 6852] <... prctl resumed>) = 0 [pid 6848] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6851] close(3 [pid 6848] <... mprotect resumed>) = 0 [pid 6852] setpgid(0, 0 [pid 6851] <... close resumed>) = 0 [pid 6851] write(1, "executing program\n", 18 [pid 6852] <... setpgid resumed>) = 0 [pid 6848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6851] <... write resumed>) = 18 [pid 6851] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6851] <... futex resumed>) = 0 [pid 6848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6851] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6851] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6853 attached [pid 6851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6848] <... clone3 resumed> => {parent_tid=[6853]}, 88) = 6853 [pid 6852] <... openat resumed>) = 3 [pid 6853] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6848] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] <... rseq resumed>) = 0 [pid 6852] write(3, "1000", 4 [pid 6851] <... mmap resumed>) = 0x7f2f310d3000 [pid 6848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] set_robust_list(0x7f2f310f39a0, 24 [pid 6852] <... write resumed>) = 4 [pid 6851] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6848] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... mprotect resumed>) = 0 [pid 6853] <... set_robust_list resumed>) = 0 [pid 6851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6853] rt_sigprocmask(SIG_SETMASK, [], [pid 6851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6854 attached [pid 6853] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6851] <... clone3 resumed> => {parent_tid=[6854]}, 88) = 6854 [pid 6853] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] <... futex resumed>) = 0 [pid 6851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6845] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6854] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6853] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6854] <... rseq resumed>) = 0 [pid 6851] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6854] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 6847] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6854] rt_sigprocmask(SIG_SETMASK, [], [pid 6847] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] <... futex resumed>) = 0 [pid 6854] userfaultfd(UFFD_USER_MODE_ONLY [pid 6847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6854] <... userfaultfd resumed>) = 3 [pid 6854] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6851] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6851] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 6854] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6851] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6851] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6854] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 0 [pid 6852] close(3 [pid 6849] <... io_uring_register resumed>) = 0 [pid 6848] <... futex resumed>) = 1 [pid 6845] <... mmap resumed>) = 0x7f2f310b2000 [pid 6854] <... futex resumed>) = 1 [pid 6853] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] <... futex resumed>) = 0 [pid 6849] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6854] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... close resumed>) = 0 [pid 6851] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = 0 [pid 6848] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... mprotect resumed>) = 0 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] <... futex resumed>) = 0 [pid 6845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6854] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6851] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}executing program ./strace-static-x86_64: Process 6855 attached [pid 6852] write(1, "executing program\n", 18 [pid 6849] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... write resumed>) = 18 [pid 6853] <... futex resumed>) = 0 [pid 6848] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6853] ioctl(3, UFFDIO_API, NULL [pid 6845] <... clone3 resumed> => {parent_tid=[6855]}, 88) = 6855 [pid 6852] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... rseq resumed>) = 0 [pid 6852] <... futex resumed>) = 0 [pid 6845] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6855] set_robust_list(0x7f2f310d29a0, 24 [pid 6853] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6852] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6853] <... futex resumed>) = 1 [pid 6852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6848] <... futex resumed>) = 0 [pid 6853] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6848] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6848] <... futex resumed>) = 0 [pid 6855] <... set_robust_list resumed>) = 0 [pid 6848] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... mmap resumed>) = 0x7f2f310d3000 [pid 6855] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6852] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6845] <... futex resumed>) = 0 [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6852] <... mprotect resumed>) = 0 [pid 6855] ioctl(3, UFFDIO_REGISTER, NULL [pid 6845] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6853] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 1 [pid 6852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6848] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6855] <... futex resumed>) = 0 [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6848] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6856 attached [pid 6855] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6853] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6849] <... futex resumed>) = 0 [pid 6848] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 6856] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6852] <... clone3 resumed> => {parent_tid=[6856]}, 88) = 6856 [pid 6849] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6848] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... rseq resumed>) = 0 [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6849] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6849] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6845] <... futex resumed>) = 0 [pid 6849] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6845] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] set_robust_list(0x7f2f310f39a0, 24 [pid 6852] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = 0 [pid 6845] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... set_robust_list resumed>) = 0 [pid 6856] rt_sigprocmask(SIG_SETMASK, [], [pid 6852] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6856] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6856] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6852] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... madvise resumed>) = 0 [pid 6856] ioctl(3, UFFDIO_API, NULL [pid 6852] <... futex resumed>) = 0 [pid 6849] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 0 [pid 6845] exit_group(0 [pid 6855] <... futex resumed>) = ? [pid 6845] <... exit_group resumed>) = ? [pid 6855] +++ exited with 0 +++ [pid 6849] <... futex resumed>) = ? [pid 6856] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6852] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... io_uring_register resumed>) = 0 [pid 6847] <... mmap resumed>) = 0x7f2f310b2000 [pid 6856] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6852] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6852] <... futex resumed>) = 0 [pid 6856] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6852] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6847] <... mprotect resumed>) = 0 [pid 6851] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6851] <... futex resumed>) = 0 [pid 6847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6856] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} => {parent_tid=[6857]}, 88) = 6857 [pid 6847] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6857 attached [pid 6847] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6847] <... futex resumed>) = 0 [pid 6857] <... rseq resumed>) = 0 [pid 6847] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 6857] rt_sigprocmask(SIG_SETMASK, [], [pid 6849] +++ exited with 0 +++ [pid 6845] +++ exited with 0 +++ [pid 6850] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6856] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6845, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6856] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6852] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6857] ioctl(3, UFFDIO_REGISTER, NULL [pid 6852] <... futex resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 6857] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6852] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6847] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6857] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6847] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6858 [pid 6847] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6858 attached [pid 6858] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 6858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6858] setpgid(0, 0) = 0 [pid 6858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6858] write(3, "1000", 4) = 4 [pid 6858] close(3) = 0 [pid 6850] <... futex resumed>) = 1 [pid 6847] <... futex resumed>) = 0 [pid 6847] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=44000000} executing program [pid 6858] write(1, "executing program\n", 18) = 18 [pid 6858] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6858] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6858] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6850] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6858] <... mprotect resumed>) = 0 [pid 6850] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6850] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6850] <... futex resumed>) = 1 [pid 6848] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = 0 [pid 6858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6850] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6848] <... futex resumed>) = 0 [pid 6847] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6847] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6859 attached [pid 6847] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6858] <... clone3 resumed> => {parent_tid=[6859]}, 88) = 6859 [pid 6858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6859] <... rseq resumed>) = 0 [pid 6858] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] set_robust_list(0x7f2f310f39a0, 24 [pid 6858] <... futex resumed>) = 0 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6858] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6859] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6859] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6859] ioctl(3, UFFDIO_API, NULL [pid 6858] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6858] <... futex resumed>) = 0 [pid 6858] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6858] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6858] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6859] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6859] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] <... mmap resumed>) = 0x7f2f310b2000 [pid 6850] <... madvise resumed>) = 0 [pid 6851] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6860 attached => {parent_tid=[6860]}, 88) = 6860 [pid 6858] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] rt_sigprocmask(SIG_SETMASK, [], [pid 6859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [pid 6851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6860] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6859] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6858] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] <... rseq resumed>) = 0 [pid 6860] set_robust_list(0x7f2f310d29a0, 24 [pid 6851] <... futex resumed>) = 0 [pid 6860] <... set_robust_list resumed>) = 0 [pid 6851] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6860] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 6860] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6854] <... io_uring_register resumed>) = 0 [pid 6851] <... futex resumed>) = 0 [pid 6860] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6854] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6854] <... futex resumed>) = 0 [pid 6851] <... futex resumed>) = 0 [pid 6854] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6847] <... futex resumed>) = 0 [pid 6850] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6847] exit_group(0 [pid 6860] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = ? [pid 6851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6850] <... futex resumed>) = ? [pid 6847] <... exit_group resumed>) = ? [pid 6851] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6860] <... futex resumed>) = 0 [pid 6851] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6860] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6857] +++ exited with 0 +++ [pid 6854] <... futex resumed>) = 0 [pid 6854] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6848] <... mmap resumed>) = 0x7f2f310b2000 [pid 6852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6850] +++ exited with 0 +++ [pid 6852] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] +++ exited with 0 +++ [pid 6848] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6847, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6854] <... madvise resumed>) = 0 [pid 6852] <... futex resumed>) = 0 [pid 6848] <... mprotect resumed>) = 0 [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6854] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6854] <... futex resumed>) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6851] exit_group(0 [pid 6860] <... futex resumed>) = ? [pid 6851] <... exit_group resumed>) = ? [pid 6860] +++ exited with 0 +++ [pid 6848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6853] <... io_uring_register resumed>) = 0 [pid 6848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6861 attached [pid 6861] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6848] <... clone3 resumed> => {parent_tid=[6861]}, 88) = 6861 [pid 6861] <... rseq resumed>) = 0 [pid 6848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6861] set_robust_list(0x7f2f310d29a0, 24 [pid 6848] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] <... set_robust_list resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6861] rt_sigprocmask(SIG_SETMASK, [], [pid 6848] <... futex resumed>) = 0 [pid 6861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6848] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6861] ioctl(3, UFFDIO_REGISTER, NULL [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6862 attached [pid 6861] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6856] <... io_uring_register resumed>) = 0 [pid 6853] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... mmap resumed>) = 0x7f2f310b2000 [pid 6862] set_robust_list(0x555592b0f6a0, 24 [pid 6861] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] +++ exited with 0 +++ [pid 6853] <... futex resumed>) = 0 [pid 6852] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6851] +++ exited with 0 +++ [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6862 [pid 6862] <... set_robust_list resumed>) = 0 [pid 6861] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6856] <... futex resumed>) = 0 [pid 6853] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... mprotect resumed>) = 0 [pid 6848] <... futex resumed>) = 0 [pid 6862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6861] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6848] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... prctl resumed>) = 0 [pid 6858] <... futex resumed>) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6848] <... futex resumed>) = 1 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6851, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6862] setpgid(0, 0 [pid 6858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6853] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6848] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6862] <... setpgid resumed>) = 0 [pid 6853] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6863 attached ) = 3 [pid 6853] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6864 attached [pid 6863] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6862] write(3, "1000", 4 [pid 6853] <... futex resumed>) = 0 [pid 6852] <... clone3 resumed> => {parent_tid=[6863]}, 88) = 6863 [pid 6848] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6864 [pid 6863] <... rseq resumed>) = 0 [pid 6864] set_robust_list(0x555592b0f6a0, 24 [pid 6862] <... write resumed>) = 4 [pid 6853] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6848] <... futex resumed>) = 0 [pid 6863] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6863] rt_sigprocmask(SIG_SETMASK, [], [pid 6864] <... set_robust_list resumed>) = 0 [pid 6862] close(3 [pid 6848] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 6863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6862] <... close resumed>) = 0 [pid 6863] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] <... prctl resumed>) = 0 [pid 6862] write(1, "executing program\n", 18 [pid 6852] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] setpgid(0, 0 [pid 6862] <... write resumed>) = 18 [pid 6852] <... futex resumed>) = 0 [pid 6863] ioctl(3, UFFDIO_REGISTER, NULL [pid 6864] <... setpgid resumed>) = 0 [pid 6862] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6862] <... futex resumed>) = 0 [pid 6853] <... madvise resumed>) = 0 [pid 6863] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... openat resumed>) = 3 [pid 6862] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6863] <... futex resumed>) = 1 [pid 6853] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = 0 [pid 6863] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] write(3, "1000", 4 [pid 6862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6853] <... futex resumed>) = 1 [pid 6852] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... futex resumed>) = 0 [pid 6864] <... write resumed>) = 4 [pid 6862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6856] <... futex resumed>) = 0 [pid 6853] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... futex resumed>) = 1 [pid 6864] close(3 [pid 6862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6856] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6852] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6848] exit_group(0 [pid 6864] <... close resumed>) = 0 [pid 6862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6864] write(1, "executing program\n", 18 [pid 6861] <... futex resumed>) = ? [pid 6856] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6853] <... futex resumed>) = ? [pid 6848] <... exit_group resumed>) = ? [pid 6861] +++ exited with 0 +++ [pid 6864] <... write resumed>) = 18 [pid 6864] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... mmap resumed>) = 0x7f2f310d3000 [pid 6864] <... futex resumed>) = 0 [pid 6862] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6864] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6862] <... mprotect resumed>) = 0 [pid 6862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6856] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] +++ exited with 0 +++ [pid 6848] +++ exited with 0 +++ [pid 6864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6856] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6848, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6865 attached [pid 6864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6856] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6865] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6864] <... mmap resumed>) = 0x7f2f310d3000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6865] <... rseq resumed>) = 0 [pid 6864] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6862] <... clone3 resumed> => {parent_tid=[6865]}, 88) = 6865 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6866 attached [pid 6864] <... mprotect resumed>) = 0 [pid 6862] rt_sigprocmask(SIG_SETMASK, [], [pid 6864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6866 [pid 6862] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6862] <... futex resumed>) = 0 [pid 6866] set_robust_list(0x555592b0f6a0, 24 [pid 6862] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... set_robust_list resumed>) = 0 [pid 6866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6867 attached [pid 6866] <... prctl resumed>) = 0 [pid 6867] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6866] setpgid(0, 0 [pid 6864] <... clone3 resumed> => {parent_tid=[6867]}, 88) = 6867 [pid 6867] <... rseq resumed>) = 0 [pid 6866] <... setpgid resumed>) = 0 [pid 6864] rt_sigprocmask(SIG_SETMASK, [], [pid 6867] set_robust_list(0x7f2f310f39a0, 24 [pid 6866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6867] <... set_robust_list resumed>) = 0 [pid 6866] <... openat resumed>) = 3 [pid 6865] set_robust_list(0x7f2f310f39a0, 24 [pid 6864] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6867] rt_sigprocmask(SIG_SETMASK, [], [pid 6865] <... set_robust_list resumed>) = 0 [pid 6864] <... futex resumed>) = 0 [pid 6866] write(3, "1000", 4 [pid 6865] rt_sigprocmask(SIG_SETMASK, [], [pid 6866] <... write resumed>) = 4 [pid 6865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6865] userfaultfd(UFFD_USER_MODE_ONLY [pid 6866] close(3 [pid 6858] <... mmap resumed>) = 0x7f2f310b2000 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6866] <... close resumed>) = 0 [pid 6858] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6867] userfaultfd(UFFD_USER_MODE_ONLY [pid 6866] write(1, "executing program\n", 18 [pid 6864] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] <... mprotect resumed>) = 0 [pid 6867] <... userfaultfd resumed>) = 3 [pid 6866] <... write resumed>) = 18 [pid 6858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6867] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6867] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6864] <... futex resumed>) = 0 [pid 6858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6856] <... madvise resumed>) = 0 [pid 6865] <... userfaultfd resumed>) = 3 [pid 6867] ioctl(3, UFFDIO_API, NULL [pid 6866] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6864] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6866] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6864] <... futex resumed>) = 0 [pid 6858] <... clone3 resumed> => {parent_tid=[6868]}, 88) = 6868 [pid 6866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6864] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6858] rt_sigprocmask(SIG_SETMASK, [], [pid 6866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6866] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6858] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... mprotect resumed>) = 0 [pid 6867] <... futex resumed>) = 1 [pid 6864] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6868 attached [pid 6867] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6865] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... io_uring_register resumed>) = 0 [pid 6868] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6867] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6865] <... futex resumed>) = 1 [pid 6864] <... futex resumed>) = 0 [pid 6862] <... futex resumed>) = 0 [pid 6859] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... rseq resumed>) = 0 [pid 6867] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6865] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6862] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6856] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6869 attached [pid 6868] set_robust_list(0x7f2f310d29a0, 24 [pid 6867] <... futex resumed>) = 0 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] <... futex resumed>) = 0 [pid 6859] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] exit_group(0 [pid 6869] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6868] <... set_robust_list resumed>) = 0 [pid 6867] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] <... clone3 resumed> => {parent_tid=[6869]}, 88) = 6869 [pid 6865] ioctl(3, UFFDIO_API, NULL [pid 6863] <... futex resumed>) = ? [pid 6864] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... futex resumed>) = ? [pid 6852] <... exit_group resumed>) = ? [pid 6868] rt_sigprocmask(SIG_SETMASK, [], [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] rt_sigprocmask(SIG_SETMASK, [], [pid 6865] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6863] +++ exited with 0 +++ [pid 6864] <... futex resumed>) = 0 [pid 6867] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6864] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] +++ exited with 0 +++ [pid 6869] <... rseq resumed>) = 0 [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6866] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] +++ exited with 0 +++ [pid 6869] set_robust_list(0x7f2f310f39a0, 24 [pid 6868] ioctl(3, UFFDIO_REGISTER, NULL [pid 6866] <... futex resumed>) = 0 [pid 6865] <... futex resumed>) = 1 [pid 6862] <... futex resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6852, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6869] <... set_robust_list resumed>) = 0 [pid 6868] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6866] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6869] rt_sigprocmask(SIG_SETMASK, [], [pid 6868] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] <... futex resumed>) = 0 [pid 6869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6868] <... futex resumed>) = 1 [pid 6865] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6862] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] <... futex resumed>) = 0 [pid 6869] userfaultfd(UFFD_USER_MODE_ONLY [pid 6868] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6865] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6858] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 6869] <... userfaultfd resumed>) = 3 [pid 6865] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6858] <... futex resumed>) = 1 [pid 6869] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = 1 [pid 6862] <... futex resumed>) = 0 [pid 6859] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6858] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6865] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6870 attached [pid 6869] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] <... futex resumed>) = 0 [pid 6859] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] set_robust_list(0x555592b0f6a0, 24 [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6865] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6862] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6870 [pid 6870] <... set_robust_list resumed>) = 0 [pid 6869] ioctl(3, UFFDIO_API, NULL [pid 6867] <... io_uring_register resumed>) = 0 [pid 6866] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6867] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... futex resumed>) = 0 [pid 6859] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6858] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6869] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6869] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6866] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6866] <... futex resumed>) = 0 [pid 6866] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6866] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6866] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6867] <... futex resumed>) = 0 [pid 6859] <... madvise resumed>) = 0 [pid 6870] <... prctl resumed>) = 0 [pid 6867] ioctl(3, UFFDIO_REGISTER, NULL [pid 6864] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] setpgid(0, 0 [pid 6864] <... futex resumed>) = 0 [pid 6870] <... setpgid resumed>) = 0 [pid 6867] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6864] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6867] <... futex resumed>) = 0 [pid 6864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6864] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6864] <... futex resumed>) = 0 [pid 6867] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... futex resumed>) = 0 [pid 6864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = 0 [pid 6867] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6864] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... madvise resumed>) = 0 [pid 6870] <... openat resumed>) = 3 [pid 6870] write(3, "1000", 4) = 4 [pid 6859] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] close(3 [pid 6859] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6870] <... close resumed>) = 0 [pid 6867] <... futex resumed>) = 1 [pid 6864] <... futex resumed>) = 0 executing program [pid 6859] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] exit_group(0 [pid 6870] write(1, "executing program\n", 18) = 18 [pid 6868] <... futex resumed>) = ? [pid 6864] exit_group(0 [pid 6859] <... futex resumed>) = ? [pid 6858] <... exit_group resumed>) = ? [pid 6870] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] +++ exited with 0 +++ [pid 6864] <... exit_group resumed>) = ? [pid 6859] +++ exited with 0 +++ [pid 6870] <... futex resumed>) = 0 [pid 6870] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6858] +++ exited with 0 +++ [pid 6870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6858, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6870] <... mmap resumed>) = 0x7f2f310d3000 [pid 6870] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6871 ./strace-static-x86_64: Process 6871 attached [pid 6870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6869] <... io_uring_register resumed>) = 0 [pid 6867] +++ exited with 0 +++ [pid 6865] <... io_uring_register resumed>) = 0 [pid 6864] +++ exited with 0 +++ [pid 6871] set_robust_list(0x555592b0f6a0, 24 [pid 6862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6869] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6864, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6872 attached [pid 6871] <... set_robust_list resumed>) = 0 [pid 6869] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6865] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6870] <... clone3 resumed> => {parent_tid=[6872]}, 88) = 6872 [pid 6869] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = 0 [pid 6862] <... futex resumed>) = 0 [pid 6872] <... rseq resumed>) = 0 [pid 6871] <... prctl resumed>) = 0 [pid 6870] rt_sigprocmask(SIG_SETMASK, [], [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6865] ioctl(3, UFFDIO_REGISTER, NULL [pid 6862] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6873 attached [pid 6872] set_robust_list(0x7f2f310f39a0, 24 [pid 6871] setpgid(0, 0 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] ioctl(3, UFFDIO_REGISTER, NULL [pid 6866] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6872] <... set_robust_list resumed>) = 0 [pid 6871] <... setpgid resumed>) = 0 [pid 6870] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6873 [pid 6873] set_robust_list(0x555592b0f6a0, 24 [pid 6872] rt_sigprocmask(SIG_SETMASK, [], [pid 6871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6870] <... futex resumed>) = 0 [pid 6869] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... set_robust_list resumed>) = 0 [pid 6872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6865] <... futex resumed>) = 1 [pid 6862] <... futex resumed>) = 0 [pid 6872] userfaultfd(UFFD_USER_MODE_ONLY [pid 6871] <... openat resumed>) = 3 [pid 6869] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6872] <... userfaultfd resumed>) = 3 [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6871] write(3, "1000", 4 [pid 6865] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6862] <... futex resumed>) = 0 [pid 6873] <... prctl resumed>) = 0 [pid 6872] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... write resumed>) = 4 [pid 6869] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6866] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6862] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] setpgid(0, 0 [pid 6872] <... futex resumed>) = 1 [pid 6871] close(3 [pid 6870] <... futex resumed>) = 0 [pid 6869] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6865] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6873] <... setpgid resumed>) = 0 [pid 6872] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... close resumed>) = 0 [pid 6870] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6872] ioctl(3, UFFDIO_API, NULL [pid 6870] <... futex resumed>) = 0 [pid 6869] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6865] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6871] write(1, "executing program\n", 18executing program [pid 6869] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... write resumed>) = 18 [pid 6870] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6865] <... futex resumed>) = 1 [pid 6873] <... openat resumed>) = 3 [pid 6872] <... futex resumed>) = 0 [pid 6871] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6866] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 0 [pid 6873] write(3, "1000", 4 [pid 6872] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... futex resumed>) = 0 [pid 6870] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... madvise resumed>) = 0 [pid 6862] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... write resumed>) = 4 [pid 6872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6870] <... futex resumed>) = 0 [pid 6873] close(3 [pid 6872] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6870] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... close resumed>) = 0 [pid 6872] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 executing program [pid 6871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6873] write(1, "executing program\n", 18 [pid 6872] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6865] <... futex resumed>) = 0 [pid 6862] <... futex resumed>) = 1 [pid 6873] <... write resumed>) = 18 [pid 6872] <... futex resumed>) = 1 [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6870] <... futex resumed>) = 0 [pid 6865] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6862] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6872] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6869] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] exit_group(0 [pid 6873] <... futex resumed>) = 0 [pid 6871] <... mmap resumed>) = 0x7f2f310d3000 [pid 6870] <... futex resumed>) = 0 [pid 6865] <... madvise resumed>) = 0 [pid 6866] <... exit_group resumed>) = ? [pid 6873] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6871] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6870] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6871] <... mprotect resumed>) = 0 [pid 6873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6865] <... futex resumed>) = 1 [pid 6862] <... futex resumed>) = 0 [pid 6871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6865] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6873] <... mmap resumed>) = 0x7f2f310d3000 [pid 6862] exit_group(0 [pid 6873] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6874 attached [pid 6869] <... futex resumed>) = ? [pid 6862] <... exit_group resumed>) = ? [pid 6873] <... mprotect resumed>) = 0 [pid 6871] <... clone3 resumed> => {parent_tid=[6874]}, 88) = 6874 [pid 6869] +++ exited with 0 +++ [pid 6866] +++ exited with 0 +++ [pid 6865] <... futex resumed>) = ? [pid 6874] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6865] +++ exited with 0 +++ [pid 6862] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6866, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6874] <... rseq resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6862, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6874] set_robust_list(0x7f2f310f39a0, 24 [pid 6873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6871] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6875 attached [pid 6874] <... set_robust_list resumed>) = 0 [pid 6871] <... futex resumed>) = 0 [pid 6875] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6874] rt_sigprocmask(SIG_SETMASK, [], [pid 6873] <... clone3 resumed> => {parent_tid=[6875]}, 88) = 6875 [pid 6871] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6875] <... rseq resumed>) = 0 [pid 6874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6873] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6876 attached ./strace-static-x86_64: Process 6877 attached [pid 6875] set_robust_list(0x7f2f310f39a0, 24 [pid 6874] userfaultfd(UFFD_USER_MODE_ONLY [pid 6873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6876] set_robust_list(0x555592b0f6a0, 24 [pid 6875] <... set_robust_list resumed>) = 0 [pid 6874] <... userfaultfd resumed>) = 3 [pid 6873] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6876 [pid 6877] set_robust_list(0x555592b0f6a0, 24 [pid 6876] <... set_robust_list resumed>) = 0 [pid 6875] rt_sigprocmask(SIG_SETMASK, [], [pid 6874] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6877 [pid 6877] <... set_robust_list resumed>) = 0 [pid 6876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6874] <... futex resumed>) = 1 [pid 6873] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] <... futex resumed>) = 0 [pid 6877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6876] <... prctl resumed>) = 0 [pid 6875] userfaultfd(UFFD_USER_MODE_ONLY [pid 6874] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... prctl resumed>) = 0 [pid 6876] setpgid(0, 0 [pid 6875] <... userfaultfd resumed>) = 3 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 0 [pid 6877] setpgid(0, 0 [pid 6876] <... setpgid resumed>) = 0 [pid 6875] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] ioctl(3, UFFDIO_API, NULL [pid 6871] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] <... setpgid resumed>) = 0 [pid 6876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6875] <... futex resumed>) = 1 [pid 6874] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6873] <... futex resumed>) = 0 [pid 6876] <... openat resumed>) = 3 [pid 6875] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6876] write(3, "1000", 4 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... futex resumed>) = 1 [pid 6873] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 0 [pid 6877] <... openat resumed>) = 3 [pid 6876] <... write resumed>) = 4 [pid 6875] ioctl(3, UFFDIO_API, NULL [pid 6874] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] write(3, "1000", 4 [pid 6876] close(3 [pid 6875] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 0 [pid 6877] <... write resumed>) = 4 [pid 6876] <... close resumed>) = 0 [pid 6875] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6871] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6877] close(3 [pid 6876] write(1, "executing program\n", 18 [pid 6875] <... futex resumed>) = 1 [pid 6874] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6873] <... futex resumed>) = 0 [pid 6870] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = 0 [pid 6875] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6873] <... futex resumed>) = 0 [pid 6870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6873] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6874] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6874] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6871] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6871] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program executing program [pid 6877] <... close resumed>) = 0 [pid 6876] <... write resumed>) = 18 [pid 6875] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] write(1, "executing program\n", 18 [pid 6876] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... write resumed>) = 18 [pid 6876] <... futex resumed>) = 0 [pid 6875] <... futex resumed>) = 1 [pid 6877] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6876] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6875] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] <... futex resumed>) = 0 [pid 6877] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6876] <... mmap resumed>) = 0x7f2f310d3000 [pid 6873] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... mmap resumed>) = 0x7f2f310d3000 [pid 6876] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6875] <... futex resumed>) = 0 [pid 6873] <... futex resumed>) = 1 [pid 6877] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6876] <... mprotect resumed>) = 0 [pid 6875] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6873] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... mmap resumed>) = 0x7f2f310b2000 [pid 6877] <... mprotect resumed>) = 0 [pid 6870] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6872] <... io_uring_register resumed>) = 0 [pid 6877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6872] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6879 attached [pid 6872] <... futex resumed>) = 0 [pid 6870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6880 attached [pid 6880] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6870] <... clone3 resumed> => {parent_tid=[6880]}, 88) = 6880 [pid 6880] <... rseq resumed>) = 0 [pid 6870] rt_sigprocmask(SIG_SETMASK, [], [pid 6880] set_robust_list(0x7f2f310d29a0, 24 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6880] <... set_robust_list resumed>) = 0 [pid 6870] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6878 attached [pid 6880] rt_sigprocmask(SIG_SETMASK, [], [pid 6879] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6876] <... clone3 resumed> => {parent_tid=[6879]}, 88) = 6879 [pid 6872] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] <... futex resumed>) = 0 [pid 6880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... rseq resumed>) = 0 [pid 6876] rt_sigprocmask(SIG_SETMASK, [], [pid 6877] <... clone3 resumed> => {parent_tid=[6878]}, 88) = 6878 [pid 6880] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 6880] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] <... futex resumed>) = 0 [pid 6870] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6870] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] rt_sigprocmask(SIG_SETMASK, [], [pid 6879] set_robust_list(0x7f2f310f39a0, 24 [pid 6876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6872] <... futex resumed>) = 0 [pid 6878] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6879] <... set_robust_list resumed>) = 0 [pid 6878] <... rseq resumed>) = 0 [pid 6876] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6878] set_robust_list(0x7f2f310f39a0, 24 [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6879] rt_sigprocmask(SIG_SETMASK, [], [pid 6878] <... set_robust_list resumed>) = 0 [pid 6877] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6872] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6876] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] rt_sigprocmask(SIG_SETMASK, [], [pid 6872] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6872] <... futex resumed>) = 1 [pid 6879] userfaultfd(UFFD_USER_MODE_ONLY [pid 6878] userfaultfd(UFFD_USER_MODE_ONLY [pid 6872] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] <... futex resumed>) = 0 [pid 6879] <... userfaultfd resumed>) = 3 [pid 6878] <... userfaultfd resumed>) = 3 [pid 6870] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = 0 [pid 6870] <... futex resumed>) = 1 [pid 6879] <... futex resumed>) = 1 [pid 6878] <... futex resumed>) = 1 [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6872] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6870] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6871] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6872] <... madvise resumed>) = 0 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6879] ioctl(3, UFFDIO_API, NULL [pid 6878] ioctl(3, UFFDIO_API, NULL [pid 6877] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6876] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6879] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6878] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6879] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = 1 [pid 6878] <... futex resumed>) = 1 [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6879] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6879] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6877] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6876] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6872] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6870] <... futex resumed>) = 0 [pid 6872] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] exit_group(0 [pid 6880] <... futex resumed>) = ? [pid 6872] <... futex resumed>) = ? [pid 6870] <... exit_group resumed>) = ? [pid 6880] +++ exited with 0 +++ [pid 6879] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6878] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6873] <... mmap resumed>) = 0x7f2f310b2000 [pid 6879] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... io_uring_register resumed>) = 0 [pid 6873] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6879] <... futex resumed>) = 1 [pid 6878] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6876] <... futex resumed>) = 0 [pid 6875] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... mprotect resumed>) = 0 [pid 6872] +++ exited with 0 +++ [pid 6870] +++ exited with 0 +++ [pid 6879] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... futex resumed>) = 0 [pid 6873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6870, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 1 [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6875] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6879] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6878] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6881 attached [pid 6881] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6873] <... clone3 resumed> => {parent_tid=[6881]}, 88) = 6881 [pid 6881] <... rseq resumed>) = 0 [pid 6873] rt_sigprocmask(SIG_SETMASK, [], [pid 6881] set_robust_list(0x7f2f310d29a0, 24 [pid 6873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6881] <... set_robust_list resumed>) = 0 [pid 6873] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] rt_sigprocmask(SIG_SETMASK, [], [pid 6873] <... futex resumed>) = 0 [pid 6881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6873] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 6881] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6873] <... futex resumed>) = 0 [pid 6881] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6877] <... futex resumed>) = 0 [pid 6875] <... futex resumed>) = 0 [pid 6873] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6877] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 6875] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... io_uring_register resumed>) = 0 [pid 6871] <... mmap resumed>) = 0x7f2f310b2000 [pid 6875] <... futex resumed>) = 1 [pid 6873] <... futex resumed>) = 0 [pid 6873] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6875] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6873] <... futex resumed>) = 0 [pid 6871] <... mprotect resumed>) = 0 [pid 6873] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6871] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6882 attached [pid 6871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6883 attached [pid 6882] set_robust_list(0x555592b0f6a0, 24 [pid 6871] <... clone3 resumed> => {parent_tid=[6883]}, 88) = 6883 [pid 6883] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6875] <... madvise resumed>) = 0 [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6883] <... rseq resumed>) = 0 [pid 6882] <... set_robust_list resumed>) = 0 [pid 6875] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6883] set_robust_list(0x7f2f310d29a0, 24 [pid 6882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6875] <... futex resumed>) = 1 [pid 6874] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = 0 [pid 6871] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... set_robust_list resumed>) = 0 [pid 6875] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6882 [pid 6874] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] exit_group(0 [pid 6883] rt_sigprocmask(SIG_SETMASK, [], [pid 6882] <... prctl resumed>) = 0 [pid 6881] <... futex resumed>) = ? [pid 6875] <... futex resumed>) = ? [pid 6873] <... exit_group resumed>) = ? [pid 6871] <... futex resumed>) = 0 [pid 6883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6882] setpgid(0, 0 [pid 6881] +++ exited with 0 +++ [pid 6875] +++ exited with 0 +++ [pid 6871] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... setpgid resumed>) = 0 [pid 6883] ioctl(3, UFFDIO_REGISTER, NULL [pid 6882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6883] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6873] +++ exited with 0 +++ [pid 6883] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6873, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6883] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6883] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] write(3, "1000", 4 [pid 6871] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] <... write resumed>) = 4 [pid 6871] <... futex resumed>) = 1 [pid 6871] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6882] <... close resumed>) = 0 ./strace-static-x86_64: Process 6884 attached [pid 6882] write(1, "executing program\n", 18 [pid 6874] <... futex resumed>) = 0 [pid 6874] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0executing program [pid 6884] set_robust_list(0x555592b0f6a0, 24 [pid 6882] <... write resumed>) = 18 [pid 6874] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6884] <... set_robust_list resumed>) = 0 [pid 6874] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6882] <... futex resumed>) = 0 [pid 6874] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6871] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6884 [pid 6882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6871] <... futex resumed>) = 0 [pid 6882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6871] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6882] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6874] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 6885 attached [pid 6884] <... prctl resumed>) = 0 [pid 6885] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6882] <... clone3 resumed> => {parent_tid=[6885]}, 88) = 6885 [pid 6882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6885] <... rseq resumed>) = 0 [pid 6882] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] set_robust_list(0x7f2f310f39a0, 24 [pid 6882] <... futex resumed>) = 0 [pid 6885] <... set_robust_list resumed>) = 0 [pid 6884] setpgid(0, 0 [pid 6882] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6876] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6874] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... setpgid resumed>) = 0 [pid 6876] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... futex resumed>) = 1 [pid 6884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6877] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6876] <... futex resumed>) = 0 [pid 6874] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... futex resumed>) = 0 [pid 6885] rt_sigprocmask(SIG_SETMASK, [], [pid 6884] <... openat resumed>) = 3 [pid 6877] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6871] exit_group(0 [pid 6885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6877] <... futex resumed>) = 0 [pid 6871] <... exit_group resumed>) = ? [pid 6874] <... futex resumed>) = ? [pid 6885] userfaultfd(UFFD_USER_MODE_ONLY [pid 6883] <... futex resumed>) = ? [pid 6877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6885] <... userfaultfd resumed>) = 3 [pid 6883] +++ exited with 0 +++ [pid 6874] +++ exited with 0 +++ [pid 6871] +++ exited with 0 +++ [pid 6885] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6882] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6871, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6885] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] <... futex resumed>) = 0 [pid 6885] ioctl(3, UFFDIO_API, NULL [pid 6882] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6886 attached [pid 6885] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6885] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6886] set_robust_list(0x555592b0f6a0, 24 [pid 6885] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6882] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... set_robust_list resumed>) = 0 [pid 6885] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6884] write(3, "1000", 4 [pid 6882] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6886 [pid 6886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6884] <... write resumed>) = 4 [pid 6882] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... prctl resumed>) = 0 [pid 6886] setpgid(0, 0) = 0 [pid 6885] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6885] <... futex resumed>) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6885] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6882] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... openat resumed>) = 3 [pid 6884] close(3 [pid 6882] <... futex resumed>) = 0 [pid 6882] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] write(3, "1000", 4) = 4 executing program [pid 6886] close(3) = 0 [pid 6886] write(1, "executing program\n", 18) = 18 [pid 6886] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6886] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6886] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6884] <... close resumed>) = 0 [pid 6876] <... mmap resumed>) = 0x7f2f310b2000 [pid 6884] write(1, "executing program\n", 18 [pid 6886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6887 attached [pid 6887] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 6887] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 6887] rt_sigprocmask(SIG_SETMASK, [], [pid 6886] <... clone3 resumed> => {parent_tid=[6887]}, 88) = 6887 [pid 6887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6886] rt_sigprocmask(SIG_SETMASK, [], [pid 6887] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] userfaultfd(UFFD_USER_MODE_ONLY [pid 6886] <... futex resumed>) = 0 [pid 6887] <... userfaultfd resumed>) = 3 [pid 6886] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6887] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6887] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 6887] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6884] <... write resumed>) = 18 [pid 6876] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6886] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6876] <... mprotect resumed>) = 0 [pid 6886] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6884] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6888 attached [pid 6887] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6887] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6876] <... clone3 resumed> => {parent_tid=[6888]}, 88) = 6888 [pid 6888] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6884] <... mmap resumed>) = 0x7f2f310d3000 [pid 6876] rt_sigprocmask(SIG_SETMASK, [], [pid 6879] <... io_uring_register resumed>) = 0 [pid 6888] <... rseq resumed>) = 0 [pid 6887] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6879] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6888] set_robust_list(0x7f2f310d29a0, 24 [pid 6884] <... mprotect resumed>) = 0 [pid 6879] <... futex resumed>) = 0 [pid 6877] <... mmap resumed>) = 0x7f2f310b2000 [pid 6876] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] <... set_robust_list resumed>) = 0 [pid 6887] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6879] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] <... io_uring_register resumed>) = 0 [pid 6877] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6876] <... futex resumed>) = 0 [pid 6888] rt_sigprocmask(SIG_SETMASK, [], [pid 6887] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6878] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... mprotect resumed>) = 0 [pid 6876] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6878] <... futex resumed>) = 0 [pid 6877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6888] ioctl(3, UFFDIO_REGISTER, NULL [pid 6878] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6888] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6888] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... clone3 resumed> => {parent_tid=[6889]}, 88) = 6889 [pid 6877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6888] <... futex resumed>) = 1 [pid 6884] rt_sigprocmask(SIG_SETMASK, [], [pid 6877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6876] <... futex resumed>) = 0 [pid 6888] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6876] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6890 attached [pid 6884] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = 1 [pid 6879] <... futex resumed>) = 0 [pid 6890] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6884] <... futex resumed>) = 0 [pid 6879] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6876] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6890] <... rseq resumed>) = 0 [pid 6884] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6877] <... clone3 resumed> => {parent_tid=[6890]}, 88) = 6890 [pid 6890] set_robust_list(0x7f2f310d29a0, 24 [pid 6879] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6889 attached [pid 6887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6879] <... futex resumed>) = 1 [pid 6876] <... futex resumed>) = 0 [pid 6890] <... set_robust_list resumed>) = 0 [pid 6887] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6886] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] rt_sigprocmask(SIG_SETMASK, [], [pid 6876] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] rt_sigprocmask(SIG_SETMASK, [], [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6889] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6882] <... futex resumed>) = 0 [pid 6879] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6877] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6890] ioctl(3, UFFDIO_REGISTER, NULL [pid 6889] <... rseq resumed>) = 0 [pid 6882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6889] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 6889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6889] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6889] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6889] <... futex resumed>) = 1 [pid 6884] <... futex resumed>) = 0 [pid 6877] <... futex resumed>) = 0 [pid 6890] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6890] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... madvise resumed>) = 0 [pid 6878] <... futex resumed>) = 0 [pid 6877] <... futex resumed>) = 1 [pid 6878] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6889] ioctl(3, UFFDIO_API, NULL [pid 6878] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6889] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6889] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... futex resumed>) = 1 [pid 6884] <... futex resumed>) = 0 [pid 6878] <... futex resumed>) = 0 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] <... futex resumed>) = 0 [pid 6889] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = 1 [pid 6878] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] <... mmap resumed>) = 0x7f2f310b2000 [pid 6876] exit_group(0 [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6888] <... futex resumed>) = ? [pid 6885] <... io_uring_register resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6882] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6877] <... futex resumed>) = 0 [pid 6876] <... exit_group resumed>) = ? [pid 6889] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6888] +++ exited with 0 +++ [pid 6878] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6889] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6882] <... mprotect resumed>) = 0 [pid 6879] +++ exited with 0 +++ [pid 6877] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6876] +++ exited with 0 +++ [pid 6889] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6876, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6889] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6878] <... madvise resumed>) = 0 [pid 6882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6885] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6878] <... futex resumed>) = 1 [pid 6877] <... futex resumed>) = 0 [pid 6885] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6878] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6891 attached [pid 6889] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = 1 [pid 6877] exit_group(0 [pid 6891] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6889] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6884] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... rseq resumed>) = 0 [pid 6890] <... futex resumed>) = ? [pid 6882] <... clone3 resumed> => {parent_tid=[6891]}, 88) = 6891 [pid 6878] <... futex resumed>) = ? [pid 6877] <... exit_group resumed>) = ? [pid 6890] +++ exited with 0 +++ [pid 6882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6878] +++ exited with 0 +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 6882] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6877] +++ exited with 0 +++ [pid 6891] set_robust_list(0x7f2f310d29a0, 24 [pid 6882] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6877, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 6892 attached [pid 6891] <... set_robust_list resumed>) = 0 [pid 6882] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6892 [pid 6892] set_robust_list(0x555592b0f6a0, 24 [pid 6891] rt_sigprocmask(SIG_SETMASK, [], [pid 6892] <... set_robust_list resumed>) = 0 [pid 6891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6891] ioctl(3, UFFDIO_REGISTER, NULL [pid 6892] <... prctl resumed>) = 0 [pid 6892] setpgid(0, 0 [pid 6891] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6892] <... setpgid resumed>) = 0 [pid 6891] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6891] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6885] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 1 [pid 6885] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6882] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6892] <... openat resumed>) = 3 [pid 6885] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6885] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] write(3, "1000", 4 [pid 6885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6892] <... write resumed>) = 4 [pid 6885] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6882] <... futex resumed>) = 0 [pid 6892] close(3 [pid 6882] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... close resumed>) = 0 executing program [pid 6892] write(1, "executing program\n", 18 [pid 6885] <... madvise resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6892] <... write resumed>) = 18 [pid 6886] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6885] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6893 attached [pid 6885] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6882] exit_group(0 [pid 6893] set_robust_list(0x555592b0f6a0, 24 [pid 6892] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6891] <... futex resumed>) = ? [pid 6886] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = ? [pid 6882] <... exit_group resumed>) = ? [pid 6893] <... set_robust_list resumed>) = 0 [pid 6892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6891] +++ exited with 0 +++ [pid 6886] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6893 [pid 6893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6885] +++ exited with 0 +++ [pid 6882] +++ exited with 0 +++ [pid 6893] <... prctl resumed>) = 0 [pid 6892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6882, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6893] setpgid(0, 0 [pid 6892] <... mmap resumed>) = 0x7f2f310d3000 [pid 6893] <... setpgid resumed>) = 0 [pid 6892] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6894 attached [pid 6893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6886] <... mmap resumed>) = 0x7f2f310b2000 [pid 6887] <... io_uring_register resumed>) = 0 [pid 6894] set_robust_list(0x555592b0f6a0, 24 [pid 6892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6886] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6894] <... set_robust_list resumed>) = 0 [pid 6893] <... openat resumed>) = 3 [pid 6892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6887] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... mprotect resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6893] write(3, "1000", 4 [pid 6892] <... clone3 resumed> => {parent_tid=[6895]}, 88) = 6895 [pid 6887] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6895 attached [pid 6894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6893] <... write resumed>) = 4 [pid 6892] rt_sigprocmask(SIG_SETMASK, [], [pid 6886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6896 attached [pid 6895] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 6886] <... clone3 resumed> => {parent_tid=[6896]}, 88) = 6896 [pid 6896] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6895] set_robust_list(0x7f2f310f39a0, 24 [pid 6886] rt_sigprocmask(SIG_SETMASK, [], [pid 6896] <... rseq resumed>) = 0 [pid 6895] <... set_robust_list resumed>) = 0 [pid 6886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6896] set_robust_list(0x7f2f310d29a0, 24 [pid 6895] rt_sigprocmask(SIG_SETMASK, [], [pid 6886] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] <... set_robust_list resumed>) = 0 [pid 6895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6886] <... futex resumed>) = 0 [pid 6896] rt_sigprocmask(SIG_SETMASK, [], [pid 6895] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6894] <... prctl resumed>) = 0 [pid 6893] close(3 [pid 6892] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 6896] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6886] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 1 [pid 6895] <... futex resumed>) = 0 [pid 6894] setpgid(0, 0 [pid 6893] <... close resumed>) = 0 [pid 6892] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] <... futex resumed>) = 0 [pid 6886] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6894 [pid 6896] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] userfaultfd(UFFD_USER_MODE_ONLY executing program [pid 6887] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6884] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] write(1, "executing program\n", 18 [pid 6894] <... setpgid resumed>) = 0 [pid 6895] <... userfaultfd resumed>) = 3 [pid 6893] <... write resumed>) = 18 [pid 6887] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6884] <... futex resumed>) = 0 [pid 6894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6887] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6893] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6887] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... futex resumed>) = 0 [pid 6893] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6886] <... futex resumed>) = 0 [pid 6887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6894] <... openat resumed>) = 3 [pid 6893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6887] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6886] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6895] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] <... futex resumed>) = 0 [pid 6893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6892] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = 0 [pid 6893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6895] ioctl(3, UFFDIO_API, NULL [pid 6893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6892] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6895] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... mmap resumed>) = 0x7f2f310d3000 [pid 6895] <... futex resumed>) = 1 [pid 6894] write(3, "1000", 4 [pid 6892] <... futex resumed>) = 0 [pid 6895] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6894] <... write resumed>) = 4 [pid 6893] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6892] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6894] close(3 [pid 6887] <... madvise resumed>) = 0 [pid 6895] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6893] <... mprotect resumed>) = 0 [pid 6892] <... futex resumed>) = 0 [pid 6895] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6894] <... close resumed>) = 0 [pid 6892] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6895] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] write(1, "executing program\n", 18 [pid 6893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = 0 [pid 6894] <... write resumed>) = 18 [pid 6893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6892] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6895] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6894] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6892] <... futex resumed>) = 0 [pid 6887] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] exit_group(0./strace-static-x86_64: Process 6897 attached [pid 6894] <... futex resumed>) = 0 [pid 6892] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] <... futex resumed>) = ? [pid 6886] <... exit_group resumed>) = ? [pid 6897] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6896] <... futex resumed>) = ? [pid 6893] <... clone3 resumed> => {parent_tid=[6897]}, 88) = 6897 [pid 6887] +++ exited with 0 +++ [pid 6897] <... rseq resumed>) = 0 [pid 6894] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6893] rt_sigprocmask(SIG_SETMASK, [], [pid 6894] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6893] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6893] <... futex resumed>) = 0 [pid 6893] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6897] set_robust_list(0x7f2f310f39a0, 24 [pid 6894] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6897] <... set_robust_list resumed>) = 0 [pid 6897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6897] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6897] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6897] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6896] +++ exited with 0 +++ [pid 6886] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6886, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6893] <... futex resumed>) = 0 [pid 6894] <... mprotect resumed>) = 0 [pid 6893] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = 1 [pid 6897] ioctl(3, UFFDIO_API, NULL [pid 6893] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6897] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... mmap resumed>) = 0x7f2f310b2000 [pid 6884] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6889] <... io_uring_register resumed>) = 0 [pid 6884] <... mprotect resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 6897] <... futex resumed>) = 1 [pid 6884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6893] <... futex resumed>) = 0 [pid 6897] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6893] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6899 attached ./strace-static-x86_64: Process 6898 attached [pid 6897] <... futex resumed>) = 0 [pid 6894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6893] <... futex resumed>) = 1 [pid 6889] <... futex resumed>) = 0 [pid 6899] set_robust_list(0x555592b0f6a0, 24 [pid 6893] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] <... clone3 resumed> => {parent_tid=[6898]}, 88) = 6898 [pid 6899] <... set_robust_list resumed>) = 0 [pid 6884] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6900 attached [pid 6899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6898] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6897] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6894] <... clone3 resumed> => {parent_tid=[6900]}, 88) = 6900 [pid 6884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6899 [pid 6900] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6899] <... prctl resumed>) = 0 [pid 6898] <... rseq resumed>) = 0 [pid 6897] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6894] rt_sigprocmask(SIG_SETMASK, [], [pid 6884] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... rseq resumed>) = 0 [pid 6899] setpgid(0, 0 [pid 6898] set_robust_list(0x7f2f310d29a0, 24 [pid 6894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6900] set_robust_list(0x7f2f310f39a0, 24 [pid 6899] <... setpgid resumed>) = 0 [pid 6898] <... set_robust_list resumed>) = 0 [pid 6894] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... set_robust_list resumed>) = 0 [pid 6899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6898] rt_sigprocmask(SIG_SETMASK, [], [pid 6893] <... futex resumed>) = 0 [pid 6900] rt_sigprocmask(SIG_SETMASK, [], [pid 6898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] <... futex resumed>) = 1 [pid 6893] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6898] ioctl(3, UFFDIO_REGISTER, NULL [pid 6897] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6893] <... futex resumed>) = 0 [pid 6900] userfaultfd(UFFD_USER_MODE_ONLY [pid 6898] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6893] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6898] <... futex resumed>) = 0 [pid 6898] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... userfaultfd resumed>) = 3 executing program [pid 6899] <... openat resumed>) = 3 [pid 6884] <... futex resumed>) = 1 [pid 6884] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] write(3, "1000", 4) = 4 [pid 6899] close(3 [pid 6894] <... futex resumed>) = 0 [pid 6899] <... close resumed>) = 0 [pid 6894] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6899] write(1, "executing program\n", 18 [pid 6892] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... write resumed>) = 18 [pid 6892] <... futex resumed>) = 0 [pid 6889] <... futex resumed>) = 0 [pid 6892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6889] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 6889] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6884] <... futex resumed>) = 0 [pid 6884] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6884] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6899] <... futex resumed>) = 0 [pid 6899] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6899] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6899] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6901 attached => {parent_tid=[6901]}, 88) = 6901 [pid 6889] <... madvise resumed>) = 0 [pid 6901] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6899] rt_sigprocmask(SIG_SETMASK, [], [pid 6889] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6901] <... rseq resumed>) = 0 [pid 6899] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... futex resumed>) = 1 [pid 6884] <... futex resumed>) = 0 [pid 6901] set_robust_list(0x7f2f310f39a0, 24 [pid 6900] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] exit_group(0) = ? [pid 6900] <... futex resumed>) = 1 [pid 6898] <... futex resumed>) = ? [pid 6900] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6898] +++ exited with 0 +++ [pid 6894] <... futex resumed>) = 0 [pid 6894] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = 0 [pid 6894] <... futex resumed>) = 1 [pid 6900] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 6894] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6900] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6900] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] <... set_robust_list resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] rt_sigprocmask(SIG_SETMASK, [], [pid 6899] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] +++ exited with 0 +++ [pid 6884] +++ exited with 0 +++ [pid 6892] <... mmap resumed>) = 0x7f2f310b2000 [pid 6892] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6884, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6900] <... futex resumed>) = 0 [pid 6894] <... futex resumed>) = 1 [pid 6892] <... mprotect resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6901] userfaultfd(UFFD_USER_MODE_ONLY [pid 6900] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6894] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6901] <... userfaultfd resumed>) = 3 [pid 6901] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6901] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6899] <... futex resumed>) = 0 [pid 6901] ioctl(3, UFFDIO_API, NULL [pid 6900] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6901] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6900] <... futex resumed>) = 1 [pid 6895] <... io_uring_register resumed>) = 0 [pid 6894] <... futex resumed>) = 0 [pid 6892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5829] <... restart_syscall resumed>) = 0 [pid 6900] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6894] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6894] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6902 attached [pid 6901] <... futex resumed>) = 1 [pid 6900] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6899] <... futex resumed>) = 0 [pid 6894] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6901] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... rseq resumed>) = 0 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6902] set_robust_list(0x7f2f310d29a0, 24 [pid 6901] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6899] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] <... set_robust_list resumed>) = 0 [pid 6901] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6903 attached [pid 6901] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... clone3 resumed> => {parent_tid=[6902]}, 88) = 6902 [pid 6903] set_robust_list(0x555592b0f6a0, 24 [pid 6902] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6901] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6895] <... futex resumed>) = 0 [pid 6892] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6903 [pid 6899] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6899] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6901] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6893] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... futex resumed>) = 0 [pid 6902] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6902] ioctl(3, UFFDIO_REGISTER, NULL [pid 6892] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6903] <... set_robust_list resumed>) = 0 [pid 6902] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6902] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6903] setpgid(0, 0) = 0 [pid 6903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6903] write(3, "1000", 4) = 4 [pid 6903] close(3) = 0 [pid 6903] write(1, "executing program\n", 18) = 18 [pid 6903] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6903] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6903] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6892] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6904 attached [pid 6903] <... clone3 resumed> => {parent_tid=[6904]}, 88) = 6904 [pid 6903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6903] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6903] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6895] <... futex resumed>) = 0 [pid 6892] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6894] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6894] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 6894] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6900] <... io_uring_register resumed>) = 0 [pid 6904] <... rseq resumed>) = 0 [pid 6895] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6894] <... mprotect resumed>) = 0 [pid 6894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6904] set_robust_list(0x7f2f310f39a0, 24 [pid 6895] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6895] <... futex resumed>) = 1 [pid 6894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6892] <... futex resumed>) = 0 [pid 6904] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6905 attached [pid 6894] <... clone3 resumed> => {parent_tid=[6905]}, 88) = 6905 [pid 6894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6894] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] rt_sigprocmask(SIG_SETMASK, [], [pid 6900] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6894] <... futex resumed>) = 0 [pid 6892] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] userfaultfd(UFFD_USER_MODE_ONLY [pid 6892] <... futex resumed>) = 0 [pid 6904] <... userfaultfd resumed>) = 3 [pid 6892] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6905] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6904] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... io_uring_register resumed>) = 0 [pid 6893] <... mmap resumed>) = 0x7f2f310b2000 [pid 6904] <... futex resumed>) = 1 [pid 6893] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6904] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] <... rseq resumed>) = 0 [pid 6903] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6894] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] <... mprotect resumed>) = 0 [pid 6905] set_robust_list(0x7f2f310d29a0, 24 [pid 6903] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... set_robust_list resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6903] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6897] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] ioctl(3, UFFDIO_API, NULL [pid 6893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6905] rt_sigprocmask(SIG_SETMASK, [], [pid 6904] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6903] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6900] <... futex resumed>) = 0 [pid 6899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6897] <... futex resumed>) = 0 [pid 6893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6904] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6904] <... futex resumed>) = 0 [pid 6903] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6904] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6903] <... futex resumed>) = 0 [pid 6905] ioctl(3, UFFDIO_REGISTER, NULL [pid 6903] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6905] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6905] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6894] <... futex resumed>) = 0 [pid 6905] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6894] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6906 attached [pid 6904] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6894] <... futex resumed>) = 1 [pid 6893] <... clone3 resumed> => {parent_tid=[6906]}, 88) = 6906 [pid 6900] <... futex resumed>) = 0 [pid 6906] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6904] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6893] rt_sigprocmask(SIG_SETMASK, [], [pid 6906] <... rseq resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6903] <... futex resumed>) = 0 [pid 6900] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6894] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... madvise resumed>) = 0 [pid 6894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6906] set_robust_list(0x7f2f310d29a0, 24 [pid 6893] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... set_robust_list resumed>) = 0 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] <... futex resumed>) = 0 [pid 6901] <... io_uring_register resumed>) = 0 [pid 6900] <... futex resumed>) = 0 [pid 6899] <... mmap resumed>) = 0x7f2f310b2000 [pid 6895] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... futex resumed>) = 0 [pid 6906] rt_sigprocmask(SIG_SETMASK, [], [pid 6904] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6903] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6899] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6895] <... futex resumed>) = 1 [pid 6894] <... futex resumed>) = 0 [pid 6893] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... futex resumed>) = 0 [pid 6906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6901] <... futex resumed>) = 0 [pid 6894] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] exit_group(0 [pid 6901] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] <... exit_group resumed>) = ? [pid 6902] <... futex resumed>) = ? [pid 6906] ioctl(3, UFFDIO_REGISTER, NULL [pid 6902] +++ exited with 0 +++ [pid 6906] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6906] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... mprotect resumed>) = 0 [pid 6899] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6906] <... futex resumed>) = 1 [pid 6900] <... madvise resumed>) = 0 [pid 6895] +++ exited with 0 +++ [pid 6893] <... futex resumed>) = 0 [pid 6892] +++ exited with 0 +++ [pid 6906] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6893] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6892, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6897] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = 1 [pid 6897] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6893] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6907 attached [pid 6897] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] set_robust_list(0x555592b0f6a0, 24 [pid 6897] <... futex resumed>) = 1 [pid 6893] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6907 [pid 6907] <... set_robust_list resumed>) = 0 [pid 6900] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6897] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6893] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6900] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6893] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6908 attached [pid 6907] <... prctl resumed>) = 0 [pid 6900] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] <... clone3 resumed> => {parent_tid=[6908]}, 88) = 6908 [pid 6897] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6894] <... futex resumed>) = 0 [pid 6893] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6908] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6907] setpgid(0, 0 [pid 6899] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] <... madvise resumed>) = 0 [pid 6908] <... rseq resumed>) = 0 [pid 6907] <... setpgid resumed>) = 0 [pid 6897] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] set_robust_list(0x7f2f310d29a0, 24 [pid 6907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] <... futex resumed>) = 1 [pid 6894] exit_group(0 [pid 6893] <... futex resumed>) = 0 [pid 6908] <... set_robust_list resumed>) = 0 [pid 6905] <... futex resumed>) = ? [pid 6900] <... futex resumed>) = ? [pid 6899] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... exit_group resumed>) = ? [pid 6893] exit_group(0 [pid 6908] rt_sigprocmask(SIG_SETMASK, [], [pid 6907] <... openat resumed>) = 3 [pid 6906] <... futex resumed>) = ? [pid 6905] +++ exited with 0 +++ [pid 6900] +++ exited with 0 +++ [pid 6899] <... futex resumed>) = 0 [pid 6893] <... exit_group resumed>) = ? [pid 6908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6907] write(3, "1000", 4 [pid 6906] +++ exited with 0 +++ [pid 6899] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] +++ exited with 0 +++ [pid 6894] +++ exited with 0 +++ [pid 6893] +++ exited with 0 +++ [pid 6908] ioctl(3, UFFDIO_REGISTER, NULL [pid 6907] <... write resumed>) = 4 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6894, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6893, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6908] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6907] close(3 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... restart_syscall resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 executing program [pid 6908] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] <... close resumed>) = 0 [pid 6908] <... futex resumed>) = 1 [pid 6907] write(1, "executing program\n", 18 [pid 6899] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6899] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] <... write resumed>) = 18 ./strace-static-x86_64: Process 6909 attached [pid 6907] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6901] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6899] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] set_robust_list(0x555592b0f6a0, 24 [pid 6907] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6901] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6909 ./strace-static-x86_64: Process 6910 attached [pid 6909] <... set_robust_list resumed>) = 0 [pid 6907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6901] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6901] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6910 [pid 6910] set_robust_list(0x555592b0f6a0, 24 [pid 6909] <... prctl resumed>) = 0 [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6901] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... set_robust_list resumed>) = 0 [pid 6909] setpgid(0, 0 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 6901] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6899] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] <... setpgid resumed>) = 0 [pid 6907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6904] <... io_uring_register resumed>) = 0 [pid 6910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6907] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6910] <... prctl resumed>) = 0 [pid 6909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6907] <... mprotect resumed>) = 0 [pid 6904] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6901] <... madvise resumed>) = 0 [pid 6910] setpgid(0, 0 [pid 6909] <... openat resumed>) = 3 [pid 6907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6904] <... futex resumed>) = 0 [pid 6903] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... setpgid resumed>) = 0 [pid 6907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6904] ioctl(3, UFFDIO_REGISTER, NULL [pid 6903] <... futex resumed>) = 0 [pid 6901] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6909] write(3, "1000", 4 [pid 6904] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6903] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6910] <... openat resumed>) = 3 [pid 6909] <... write resumed>) = 4 [pid 6907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6904] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] exit_group(0./strace-static-x86_64: Process 6911 attached [pid 6910] write(3, "1000", 4 [pid 6909] close(3executing program [pid 6908] <... futex resumed>) = ? [pid 6904] <... futex resumed>) = 0 [pid 6903] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = ? [pid 6899] <... exit_group resumed>) = ? [pid 6911] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6910] <... write resumed>) = 4 [pid 6909] <... close resumed>) = 0 [pid 6904] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6903] <... futex resumed>) = 0 [pid 6901] +++ exited with 0 +++ [pid 6911] <... rseq resumed>) = 0 [pid 6910] close(3 [pid 6909] write(1, "executing program\n", 18 [pid 6904] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6903] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6911] set_robust_list(0x7f2f310f39a0, 24 [pid 6910] <... close resumed>) = 0 [pid 6909] <... write resumed>) = 18 [pid 6904] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6911] <... set_robust_list resumed>) = 0 [pid 6910] write(1, "executing program\n", 18 [pid 6909] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... futex resumed>) = 0 executing program [pid 6903] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] rt_sigprocmask(SIG_SETMASK, [], [pid 6910] <... write resumed>) = 18 [pid 6909] <... futex resumed>) = 0 [pid 6907] <... clone3 resumed> => {parent_tid=[6911]}, 88) = 6911 [pid 6904] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6903] <... futex resumed>) = 0 [pid 6911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6910] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6908] +++ exited with 0 +++ [pid 6907] rt_sigprocmask(SIG_SETMASK, [], [pid 6904] <... madvise resumed>) = 0 [pid 6903] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] +++ exited with 0 +++ [pid 6911] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 [pid 6909] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6907] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] userfaultfd(UFFD_USER_MODE_ONLY [pid 6910] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6904] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... userfaultfd resumed>) = 3 [pid 6910] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6904] <... futex resumed>) = 1 [pid 6903] <... futex resumed>) = 0 [pid 6907] <... futex resumed>) = 0 [pid 6903] exit_group(0 [pid 6911] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6903] <... exit_group resumed>) = ? [pid 6907] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6899, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6907] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6907] <... futex resumed>) = 0 [pid 6907] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] +++ exited with 0 +++ [pid 6903] +++ exited with 0 +++ [pid 6909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6903, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6909] <... mmap resumed>) = 0x7f2f310d3000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6911] <... futex resumed>) = 1 [pid 6910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6909] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6907] <... futex resumed>) = 0 [pid 6911] ioctl(3, UFFDIO_API, NULL [pid 6910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6907] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 6909] <... mprotect resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6912 [pid 6910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6911] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6910] <... mmap resumed>) = 0x7f2f310d3000 [pid 6909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6911] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6911] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6910] <... mprotect resumed>) = 0 [pid 6907] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6913 attached ) = 0 [pid 6911] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6913] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6909] <... clone3 resumed> => {parent_tid=[6913]}, 88) = 6913 [pid 6907] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] <... rseq resumed>) = 0 [pid 6913] set_robust_list(0x7f2f310f39a0, 24./strace-static-x86_64: Process 6912 attached [pid 6911] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6909] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... restart_syscall resumed>) = 0 [pid 6912] set_robust_list(0x555592b0f6a0, 24 [pid 6913] <... set_robust_list resumed>) = 0 [pid 6913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6913] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] <... set_robust_list resumed>) = 0 [pid 6911] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6911] <... futex resumed>) = 1 [pid 6909] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] <... futex resumed>) = 0 [pid 6912] <... prctl resumed>) = 0 [pid 6911] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] <... clone3 resumed> => {parent_tid=[6914]}, 88) = 6914 [pid 6909] <... futex resumed>) = 0 [pid 6912] setpgid(0, 0 [pid 6910] rt_sigprocmask(SIG_SETMASK, [], [pid 6909] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6912] <... setpgid resumed>) = 0 [pid 6910] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6914 attached [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6910] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... openat resumed>) = 3 [pid 6910] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6915 attached [pid 6914] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6913] userfaultfd(UFFD_USER_MODE_ONLY [pid 6912] write(3, "1000", 4 [pid 6911] <... futex resumed>) = 0 [pid 6910] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] <... futex resumed>) = 1 [pid 6915] set_robust_list(0x555592b0f6a0, 24 [pid 6914] <... rseq resumed>) = 0 [pid 6913] <... userfaultfd resumed>) = 3 [pid 6912] <... write resumed>) = 4 [pid 6911] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6907] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] <... set_robust_list resumed>) = 0 [pid 6914] set_robust_list(0x7f2f310f39a0, 24 [pid 6913] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] close(3 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6915 [pid 6914] <... set_robust_list resumed>) = 0 [pid 6913] <... futex resumed>) = 1 executing program [pid 6914] rt_sigprocmask(SIG_SETMASK, [], [pid 6913] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] <... close resumed>) = 0 [pid 6909] <... futex resumed>) = 0 [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6914] userfaultfd(UFFD_USER_MODE_ONLY [pid 6912] write(1, "executing program\n", 18 [pid 6909] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... userfaultfd resumed>) = 3 [pid 6913] <... futex resumed>) = 0 [pid 6912] <... write resumed>) = 18 [pid 6909] <... futex resumed>) = 1 [pid 6914] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] ioctl(3, UFFDIO_API, NULL [pid 6912] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6914] <... futex resumed>) = 1 [pid 6913] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6912] <... futex resumed>) = 0 [pid 6910] <... futex resumed>) = 0 [pid 6915] <... prctl resumed>) = 0 executing program [pid 6914] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6913] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6910] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] setpgid(0, 0 [pid 6910] <... futex resumed>) = 0 [pid 6910] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] <... setpgid resumed>) = 0 [pid 6915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6913] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6913] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] <... openat resumed>) = 3 [pid 6912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6909] <... futex resumed>) = 0 [pid 6912] <... mmap resumed>) = 0x7f2f310d3000 [pid 6909] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6909] <... futex resumed>) = 0 [pid 6915] write(3, "1000", 4 [pid 6912] <... mprotect resumed>) = 0 [pid 6909] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] <... write resumed>) = 4 [pid 6912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6915] close(3 [pid 6912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6915] <... close resumed>) = 0 [pid 6912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6916 attached [pid 6915] write(1, "executing program\n", 18) = 18 [pid 6912] <... clone3 resumed> => {parent_tid=[6916]}, 88) = 6916 [pid 6915] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] <... futex resumed>) = 0 [pid 6912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6915] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6912] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6912] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6916] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6916] <... rseq resumed>) = 0 [pid 6915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6916] set_robust_list(0x7f2f310f39a0, 24 [pid 6915] <... mmap resumed>) = 0x7f2f310d3000 [pid 6916] <... set_robust_list resumed>) = 0 [pid 6914] ioctl(3, UFFDIO_API, NULL [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6915] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6916] userfaultfd(UFFD_USER_MODE_ONLY [pid 6915] <... mprotect resumed>) = 0 [pid 6914] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6913] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6916] <... userfaultfd resumed>) = 3 [pid 6915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6916] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6916] <... futex resumed>) = 1 [pid 6915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6912] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6917 attached [pid 6912] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] ioctl(3, UFFDIO_API, NULL [pid 6915] <... clone3 resumed> => {parent_tid=[6917]}, 88) = 6917 [pid 6914] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6912] <... futex resumed>) = 0 [pid 6917] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6916] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6915] rt_sigprocmask(SIG_SETMASK, [], [pid 6914] <... futex resumed>) = 1 [pid 6913] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] <... futex resumed>) = 0 [pid 6917] <... rseq resumed>) = 0 [pid 6916] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6914] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6913] <... futex resumed>) = 1 [pid 6912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 0 [pid 6917] set_robust_list(0x7f2f310f39a0, 24 [pid 6916] <... futex resumed>) = 0 [pid 6915] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6913] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = 0 [pid 6909] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... set_robust_list resumed>) = 0 [pid 6916] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6915] <... futex resumed>) = 0 [pid 6914] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6912] <... futex resumed>) = 0 [pid 6910] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] <... futex resumed>) = 0 [pid 6917] rt_sigprocmask(SIG_SETMASK, [], [pid 6916] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6915] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6912] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6914] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6917] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6916] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... futex resumed>) = 0 [pid 6917] <... futex resumed>) = 1 [pid 6916] <... futex resumed>) = 1 [pid 6915] <... futex resumed>) = 0 [pid 6912] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6915] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... futex resumed>) = 0 [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6914] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6910] <... futex resumed>) = 0 [pid 6917] ioctl(3, UFFDIO_API, NULL [pid 6915] <... futex resumed>) = 0 [pid 6917] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6915] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6915] <... futex resumed>) = 0 [pid 6917] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6915] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6915] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6917] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6917] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] <... futex resumed>) = 0 [pid 6915] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = 0 [pid 6915] <... futex resumed>) = 1 [pid 6917] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6915] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6907] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 6909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6909] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6907] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6911] <... io_uring_register resumed>) = 0 [pid 6907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6911] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6911] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6918 attached [pid 6911] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6907] <... clone3 resumed> => {parent_tid=[6918]}, 88) = 6918 [pid 6907] rt_sigprocmask(SIG_SETMASK, [], [pid 6918] <... rseq resumed>) = 0 [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6918] set_robust_list(0x7f2f310d29a0, 24 [pid 6907] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... io_uring_register resumed>) = 0 [pid 6912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6910] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6915] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6915] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6912] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6912] <... futex resumed>) = 0 [pid 6912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 6912] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6910] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... set_robust_list resumed>) = 0 [pid 6914] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = 0 [pid 6907] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6919 attached [pid 6912] <... clone3 resumed> => {parent_tid=[6919]}, 88) = 6919 [pid 6914] <... futex resumed>) = 0 [pid 6907] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6912] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6912] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6914] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] rt_sigprocmask(SIG_SETMASK, [], [pid 6910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6919] <... rseq resumed>) = 0 [pid 6919] set_robust_list(0x7f2f310d29a0, 24 [pid 6918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6910] <... mmap resumed>) = 0x7f2f310b2000 [pid 6918] ioctl(3, UFFDIO_REGISTER, NULL [pid 6910] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6919] <... set_robust_list resumed>) = 0 [pid 6918] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6919] rt_sigprocmask(SIG_SETMASK, [], [pid 6910] <... mprotect resumed>) = 0 [pid 6918] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6910] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6918] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6910] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6918] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6907] <... futex resumed>) = 1 [pid 6919] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 6919] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... futex resumed>) = 0 [pid 6907] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] <... futex resumed>) = 1 [pid 6912] <... futex resumed>) = 0 [pid 6911] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6910] <... clone3 resumed> => {parent_tid=[6920]}, 88) = 6920 [pid 6919] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6910] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6920 attached [pid 6919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6912] <... futex resumed>) = 0 [pid 6911] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6920] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6919] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6916] <... io_uring_register resumed>) = 0 [pid 6912] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6911] <... futex resumed>) = 1 [pid 6910] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] <... futex resumed>) = 0 [pid 6920] <... rseq resumed>) = 0 [pid 6919] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6911] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] <... futex resumed>) = 0 [pid 6907] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] set_robust_list(0x7f2f310d29a0, 24 [pid 6919] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] <... futex resumed>) = 0 [pid 6920] <... set_robust_list resumed>) = 0 [pid 6919] <... futex resumed>) = 1 [pid 6916] <... futex resumed>) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6920] rt_sigprocmask(SIG_SETMASK, [], [pid 6919] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6912] <... futex resumed>) = 0 [pid 6920] ioctl(3, UFFDIO_REGISTER, NULL [pid 6916] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6912] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6920] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6916] <... madvise resumed>) = 0 [pid 6920] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6910] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... futex resumed>) = 0 [pid 6910] <... futex resumed>) = 1 [pid 6914] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 6910] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] <... futex resumed>) = 0 [pid 6910] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6910] <... futex resumed>) = 0 [pid 6910] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] <... madvise resumed>) = 0 [pid 6911] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6916] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... io_uring_register resumed>) = 0 [pid 6916] <... futex resumed>) = 1 [pid 6915] <... mmap resumed>) = 0x7f2f310b2000 [pid 6914] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... io_uring_register resumed>) = 0 [pid 6912] <... futex resumed>) = 0 [pid 6911] <... madvise resumed>) = 0 [pid 6909] <... mmap resumed>) = 0x7f2f310b2000 [pid 6917] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6914] <... futex resumed>) = 1 [pid 6913] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] exit_group(0 [pid 6911] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = 0 [pid 6919] <... futex resumed>) = ? [pid 6917] <... futex resumed>) = 0 [pid 6916] <... futex resumed>) = ? [pid 6915] <... mprotect resumed>) = 0 [pid 6914] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6913] <... futex resumed>) = 0 [pid 6912] <... exit_group resumed>) = ? [pid 6911] <... futex resumed>) = 1 [pid 6910] exit_group(0 [pid 6909] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6907] <... futex resumed>) = 0 [pid 6920] <... futex resumed>) = ? [pid 6919] +++ exited with 0 +++ [pid 6917] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] +++ exited with 0 +++ [pid 6915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6914] <... futex resumed>) = ? [pid 6913] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] +++ exited with 0 +++ [pid 6911] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] <... exit_group resumed>) = ? [pid 6909] <... mprotect resumed>) = 0 [pid 6907] exit_group(0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6912, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6920] +++ exited with 0 +++ [pid 6918] <... futex resumed>) = ? [pid 6915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6914] +++ exited with 0 +++ [pid 6911] <... futex resumed>) = ? [pid 6910] +++ exited with 0 +++ [pid 6909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6907] <... exit_group resumed>) = ? [pid 6918] +++ exited with 0 +++ [pid 6915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6910, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6921 attached [pid 6911] +++ exited with 0 +++ [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6921] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6915] <... clone3 resumed> => {parent_tid=[6921]}, 88) = 6921 [pid 6909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6921] <... rseq resumed>) = 0 [pid 6915] rt_sigprocmask(SIG_SETMASK, [], [pid 6921] set_robust_list(0x7f2f310d29a0, 24 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6921] <... set_robust_list resumed>) = 0 [pid 6915] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... clone3 resumed> => {parent_tid=[6922]}, 88) = 6922 ./strace-static-x86_64: Process 6922 attached [pid 6921] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] <... futex resumed>) = 0 [pid 6909] rt_sigprocmask(SIG_SETMASK, [], [pid 6907] +++ exited with 0 +++ [pid 6922] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6915] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] <... rseq resumed>) = 0 [pid 6921] ioctl(3, UFFDIO_REGISTER, NULL [pid 6909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6922] set_robust_list(0x7f2f310d29a0, 24 [pid 6921] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6909] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6907, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6922] <... set_robust_list resumed>) = 0 [pid 6921] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6922] rt_sigprocmask(SIG_SETMASK, [], [pid 6921] <... futex resumed>) = 1 [pid 6915] <... futex resumed>) = 0 [pid 6909] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6921] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6922] ioctl(3, UFFDIO_REGISTER, NULL [pid 6917] <... futex resumed>) = 0 [pid 6915] <... futex resumed>) = 1 [pid 6922] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6917] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6915] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6922] <... futex resumed>) = 1 [pid 6917] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 0 [pid 6922] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6917] <... futex resumed>) = 1 [pid 6915] <... futex resumed>) = 0 [pid 6917] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6915] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6917] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6915] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6909] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... madvise resumed>) = 0 [pid 6913] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... restart_syscall resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6917] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6915] <... futex resumed>) = 0 [pid 6913] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] exit_group(0 [pid 6913] <... futex resumed>) = 1 [pid 6909] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = ? [pid 6917] <... futex resumed>) = ? [pid 6915] <... exit_group resumed>) = ? [pid 6909] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] +++ exited with 0 +++ [pid 6917] +++ exited with 0 +++ [pid 6915] +++ exited with 0 +++ [pid 6913] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6909] <... futex resumed>) = 0 [pid 6909] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6915, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6924 attached ./strace-static-x86_64: Process 6923 attached [pid 6924] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 6924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6924] setpgid(0, 0) = 0 [pid 6924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6924 [pid 6924] <... openat resumed>) = 3 [pid 6913] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 6925 attached [pid 6925] set_robust_list(0x555592b0f6a0, 24 [pid 6923] set_robust_list(0x555592b0f6a0, 24 [pid 6913] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6923 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6925 [pid 6925] <... set_robust_list resumed>) = 0 [pid 6923] <... set_robust_list resumed>) = 0 [pid 6913] <... futex resumed>) = 1 [pid 6924] write(3, "1000", 4 [pid 6923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6909] <... futex resumed>) = 0 [pid 6925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6924] <... write resumed>) = 4 [pid 6923] <... prctl resumed>) = 0 [pid 6913] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6909] exit_group(0 [pid 6925] <... prctl resumed>) = 0 [pid 6924] close(3 [pid 6923] setpgid(0, 0 [pid 6922] <... futex resumed>) = ? [pid 6913] <... futex resumed>) = ? [pid 6909] <... exit_group resumed>) = ? [pid 6925] setpgid(0, 0 [pid 6924] <... close resumed>) = 0 [pid 6923] <... setpgid resumed>) = 0 [pid 6922] +++ exited with 0 +++ [pid 5829] <... restart_syscall resumed>) = 0 [pid 6924] write(1, "executing program\n", 18 [pid 6925] <... setpgid resumed>) = 0 executing program [pid 6925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6924] <... write resumed>) = 18 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6924] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6926 attached [pid 6925] <... openat resumed>) = 3 [pid 6924] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6923] <... openat resumed>) = 3 [pid 6913] +++ exited with 0 +++ [pid 6909] +++ exited with 0 +++ [pid 6926] set_robust_list(0x555592b0f6a0, 24 [pid 6925] write(3, "1000", 4 [pid 6923] write(3, "1000", 4 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6926 [pid 6926] <... set_robust_list resumed>) = 0 [pid 6925] <... write resumed>) = 4 [pid 6923] <... write resumed>) = 4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6909, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6925] close(3 [pid 6923] close(3 [pid 6926] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6925] <... close resumed>) = 0 [pid 6923] <... close resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6926] <... prctl resumed>) = 0 [pid 6925] write(1, "executing program\n", 18 [pid 6924] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 6923] write(1, "executing program\n", 18 [pid 6926] setpgid(0, 0 [pid 6925] <... write resumed>) = 18 [pid 6924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6923] <... write resumed>) = 18 [pid 6926] <... setpgid resumed>) = 0 [pid 6925] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6923] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6925] <... futex resumed>) = 0 [pid 6924] <... mmap resumed>) = 0x7f2f310d3000 [pid 6923] <... futex resumed>) = 0 [pid 6923] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6925] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, executing program [pid 6926] <... openat resumed>) = 3 [pid 6925] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6923] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6924] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6926] write(3, "1000", 4 [pid 6925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6926] <... write resumed>) = 4 [pid 6925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6926] close(3 [pid 6925] <... mmap resumed>) = 0x7f2f310d3000 [pid 6923] <... mmap resumed>) = 0x7f2f310d3000 [pid 6926] <... close resumed>) = 0 [pid 6923] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6926] write(1, "executing program\n", 18 [pid 6925] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6923] <... mprotect resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6926] <... write resumed>) = 18 [pid 6925] <... mprotect resumed>) = 0 [pid 6926] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6925] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6923] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6927 attached [pid 6926] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6924] <... mprotect resumed>) = 0 [pid 6925] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6929 attached ./strace-static-x86_64: Process 6928 attached [pid 6926] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6929] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6928] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6927] set_robust_list(0x555592b0f6a0, 24 [pid 6926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6925] <... clone3 resumed> => {parent_tid=[6928]}, 88) = 6928 [pid 6924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6923] <... clone3 resumed> => {parent_tid=[6929]}, 88) = 6929 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6927 [pid 6929] <... rseq resumed>) = 0 [pid 6929] set_robust_list(0x7f2f310f39a0, 24 [pid 6926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6925] rt_sigprocmask(SIG_SETMASK, [], [pid 6926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6929] <... set_robust_list resumed>) = 0 [pid 6926] <... mmap resumed>) = 0x7f2f310d3000 [pid 6923] rt_sigprocmask(SIG_SETMASK, [], [pid 6929] rt_sigprocmask(SIG_SETMASK, [], [pid 6926] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6925] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6926] <... mprotect resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6929] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6926] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6925] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6930 attached ./strace-static-x86_64: Process 6931 attached [pid 6928] <... rseq resumed>) = 0 [pid 6927] <... set_robust_list resumed>) = 0 [pid 6926] <... clone3 resumed> => {parent_tid=[6930]}, 88) = 6930 [pid 6923] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6928] set_robust_list(0x7f2f310f39a0, 24 [pid 6927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6931] <... rseq resumed>) = 0 [pid 6924] <... clone3 resumed> => {parent_tid=[6931]}, 88) = 6931 [pid 6931] set_robust_list(0x7f2f310f39a0, 24 [pid 6928] <... set_robust_list resumed>) = 0 [pid 6927] <... prctl resumed>) = 0 [pid 6924] rt_sigprocmask(SIG_SETMASK, [], [pid 6931] <... set_robust_list resumed>) = 0 [pid 6924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6931] rt_sigprocmask(SIG_SETMASK, [], [pid 6928] rt_sigprocmask(SIG_SETMASK, [], [pid 6927] setpgid(0, 0 [pid 6926] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 1 [pid 6931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6927] <... setpgid resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6931] userfaultfd(UFFD_USER_MODE_ONLY [pid 6930] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6929] <... futex resumed>) = 0 [pid 6928] userfaultfd(UFFD_USER_MODE_ONLY [pid 6927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6924] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] <... userfaultfd resumed>) = 3 [pid 6930] <... rseq resumed>) = 0 [pid 6929] userfaultfd(UFFD_USER_MODE_ONLY [pid 6928] <... userfaultfd resumed>) = 3 [pid 6927] <... openat resumed>) = 3 [pid 6926] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] set_robust_list(0x7f2f310f39a0, 24 [pid 6929] <... userfaultfd resumed>) = 3 [pid 6928] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] write(3, "1000", 4 [pid 6926] <... futex resumed>) = 0 [pid 6931] <... futex resumed>) = 1 [pid 6930] <... set_robust_list resumed>) = 0 [pid 6929] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... futex resumed>) = 1 [pid 6927] <... write resumed>) = 4 [pid 6926] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6931] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] rt_sigprocmask(SIG_SETMASK, [], [pid 6929] <... futex resumed>) = 1 [pid 6928] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] close(3 [pid 6925] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 0 [pid 6931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6929] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... close resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6923] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] ioctl(3, UFFDIO_API, NULL [pid 6930] userfaultfd(UFFD_USER_MODE_ONLY [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] ioctl(3, UFFDIO_API, NULL [pid 6927] write(1, "executing program\n", 18 [pid 6925] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6924] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] <... futex resumed>) = 0 [pid 6931] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6930] <... userfaultfd resumed>) = 3 [pid 6929] ioctl(3, UFFDIO_API, NULL [pid 6928] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6927] <... write resumed>) = 18 [pid 6923] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6930] <... futex resumed>) = 1 [pid 6926] <... futex resumed>) = 0 [pid 6930] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6929] <... futex resumed>) = 1 [pid 6926] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = 0 [pid 6930] ioctl(3, UFFDIO_API, NULL [pid 6929] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6926] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] <... futex resumed>) = 0 [pid 6930] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6923] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] <... futex resumed>) = 1 [pid 6926] <... futex resumed>) = 0 [pid 6930] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6926] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = 1 [pid 6930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6931] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6929] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6928] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = 0 [pid 6926] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] <... futex resumed>) = 0 [pid 6924] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6929] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6925] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = 0 [pid 6931] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6930] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = 1 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6924] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] <... futex resumed>) = 0 [pid 6931] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6930] <... futex resumed>) = 1 [pid 6929] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6926] <... futex resumed>) = 0 [pid 6925] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6926] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 0 [pid 6931] <... futex resumed>) = 1 [pid 6930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6929] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6926] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6923] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6928] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... mmap resumed>) = 0x7f2f310d3000 [pid 6926] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6924] <... futex resumed>) = 0 [pid 6931] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6927] <... mprotect resumed>) = 0 [pid 6924] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] <... futex resumed>) = 1 [pid 6925] <... futex resumed>) = 0 [pid 6928] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6925] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6927] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[6932]}, 88) = 6932 [pid 6927] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6927] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6927] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6932 attached [pid 6932] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6925] <... futex resumed>) = 0 [pid 6925] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] <... rseq resumed>) = 0 [pid 6932] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 6932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6932] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6932] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6927] <... futex resumed>) = 0 [pid 6932] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6932] ioctl(3, UFFDIO_API, NULL [pid 6927] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6923] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... io_uring_register resumed>) = 0 [pid 6931] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = 0 [pid 6926] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6923] <... futex resumed>) = 0 [pid 6932] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6926] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6932] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6931] ioctl(3, UFFDIO_REGISTER, NULL [pid 6926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6931] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6924] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6931] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 [pid 6931] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6924] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6924] <... futex resumed>) = 0 [pid 6931] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6924] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... madvise resumed>) = 0 [pid 6925] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6924] <... futex resumed>) = 0 [pid 6925] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = 1 [pid 6925] <... futex resumed>) = 0 [pid 6932] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] <... futex resumed>) = 0 [pid 6925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6924] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6927] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 1 [pid 6932] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6927] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6924] <... futex resumed>) = 0 [pid 6931] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] exit_group(0 [pid 6931] <... futex resumed>) = ? [pid 6924] <... exit_group resumed>) = ? [pid 6931] +++ exited with 0 +++ [pid 6924] +++ exited with 0 +++ [pid 6928] <... io_uring_register resumed>) = 0 [pid 6925] <... mmap resumed>) = 0x7f2f310b2000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6924, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6925] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6925] <... mprotect resumed>) = 0 [pid 6925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6928] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6933 attached [pid 6930] <... io_uring_register resumed>) = 0 [pid 6929] <... io_uring_register resumed>) = 0 [pid 6926] <... mmap resumed>) = 0x7f2f310b2000 [pid 6923] <... mmap resumed>) = 0x7f2f310b2000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 6933] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6930] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... futex resumed>) = 0 [pid 6926] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6925] <... clone3 resumed> => {parent_tid=[6933]}, 88) = 6933 [pid 6923] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6929] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... rseq resumed>) = 0 [pid 6930] <... futex resumed>) = 0 [pid 6929] <... futex resumed>) = 0 [pid 6928] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6926] <... mprotect resumed>) = 0 [pid 6925] rt_sigprocmask(SIG_SETMASK, [], [pid 6923] <... mprotect resumed>) = 0 [pid 6933] set_robust_list(0x7f2f310d29a0, 24 [pid 6930] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6933] <... set_robust_list resumed>) = 0 [pid 6926] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6925] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6934 attached [pid 6933] rt_sigprocmask(SIG_SETMASK, [], [pid 6926] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6934 ./strace-static-x86_64: Process 6935 attached [pid 6934] set_robust_list(0x555592b0f6a0, 24 [pid 6933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6925] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6934] <... set_robust_list resumed>) = 0 [pid 6933] ioctl(3, UFFDIO_REGISTER, NULL [pid 6923] <... clone3 resumed> => {parent_tid=[6935]}, 88) = 6935 ./strace-static-x86_64: Process 6936 attached [pid 6935] <... rseq resumed>) = 0 [pid 6934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6933] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6926] <... clone3 resumed> => {parent_tid=[6936]}, 88) = 6936 [pid 6923] rt_sigprocmask(SIG_SETMASK, [], [pid 6936] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6935] set_robust_list(0x7f2f310d29a0, 24 [pid 6934] <... prctl resumed>) = 0 [pid 6933] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] rt_sigprocmask(SIG_SETMASK, [], [pid 6923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6936] <... rseq resumed>) = 0 [pid 6935] <... set_robust_list resumed>) = 0 [pid 6934] setpgid(0, 0 [pid 6933] <... futex resumed>) = 1 [pid 6926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6932] <... io_uring_register resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6923] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] set_robust_list(0x7f2f310d29a0, 24 [pid 6935] rt_sigprocmask(SIG_SETMASK, [], [pid 6934] <... setpgid resumed>) = 0 [pid 6933] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... set_robust_list resumed>) = 0 [pid 6935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6932] <... futex resumed>) = 1 [pid 6928] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6926] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 1 [pid 6923] <... futex resumed>) = 0 [pid 6936] rt_sigprocmask(SIG_SETMASK, [], [pid 6935] ioctl(3, UFFDIO_REGISTER, NULL [pid 6932] ioctl(3, UFFDIO_REGISTER, NULL [pid 6934] <... openat resumed>) = 3 [pid 6928] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6927] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6935] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6934] write(3, "1000", 4 [pid 6932] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6928] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6927] <... futex resumed>) = 0 [pid 6936] ioctl(3, UFFDIO_REGISTER, NULL [pid 6935] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... write resumed>) = 4 [pid 6932] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6935] <... futex resumed>) = 1 [pid 6934] close(3 [pid 6932] <... futex resumed>) = 0 [pid 6928] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6925] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = 0 [pid 6936] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... close resumed>) = 0 [pid 6932] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6936] <... futex resumed>) = 1 [pid 6934] write(1, "executing program\n", 18 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6929] <... futex resumed>) = 0 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... futex resumed>) = 0 [pid 6926] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = 1 [pid 6936] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... write resumed>) = 18 [pid 6932] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6929] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6928] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6927] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6934] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6930] <... futex resumed>) = 0 [pid 6929] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6928] <... madvise resumed>) = 0 [pid 6926] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6932] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6929] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6932] <... futex resumed>) = 1 [pid 6929] <... futex resumed>) = 0 [pid 6923] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6932] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6923] <... futex resumed>) = 0 [pid 6934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6930] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6927] <... futex resumed>) = 0 [pid 6930] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = 1 [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6926] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = 0 [pid 6930] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6923] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED) = 0 [pid 6929] <... madvise resumed>) = 0 [pid 6934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6926] <... futex resumed>) = 0 [pid 6934] <... mmap resumed>) = 0x7f2f310d3000 [pid 6926] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6934] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6932] <... madvise resumed>) = 0 [pid 6929] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6937 attached ) = 1 [pid 6934] <... clone3 resumed> => {parent_tid=[6937]}, 88) = 6937 [pid 6928] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 0 [pid 6937] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6934] rt_sigprocmask(SIG_SETMASK, [], [pid 6932] <... futex resumed>) = 1 [pid 6929] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6937] <... rseq resumed>) = 0 [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6932] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] exit_group(0 [pid 6923] exit_group(0 [pid 6925] exit_group(0 [pid 6937] set_robust_list(0x7f2f310f39a0, 24 [pid 6935] <... futex resumed>) = ? [pid 6934] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... futex resumed>) = ? [pid 6932] <... futex resumed>) = ? [pid 6930] <... futex resumed>) = 1 [pid 6929] <... futex resumed>) = ? [pid 6928] <... futex resumed>) = ? [pid 6927] <... exit_group resumed>) = ? [pid 6926] <... futex resumed>) = 0 [pid 6925] <... exit_group resumed>) = ? [pid 6923] <... exit_group resumed>) = ? [pid 6937] <... set_robust_list resumed>) = 0 [pid 6935] +++ exited with 0 +++ [pid 6934] <... futex resumed>) = 0 [pid 6933] +++ exited with 0 +++ [pid 6932] +++ exited with 0 +++ [pid 6930] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] +++ exited with 0 +++ [pid 6928] +++ exited with 0 +++ [pid 6927] +++ exited with 0 +++ [pid 6926] exit_group(0 [pid 6937] rt_sigprocmask(SIG_SETMASK, [], [pid 6936] <... futex resumed>) = ? [pid 6934] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] <... futex resumed>) = ? [pid 6926] <... exit_group resumed>) = ? [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6927, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6936] +++ exited with 0 +++ [pid 6930] +++ exited with 0 +++ [pid 6926] +++ exited with 0 +++ [pid 6925] +++ exited with 0 +++ [pid 6923] +++ exited with 0 +++ [pid 6937] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6923, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6925, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6926, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6937] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6937] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6938 attached [pid 6934] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6934] <... futex resumed>) = 0 [pid 6938] set_robust_list(0x555592b0f6a0, 24 [pid 6937] ioctl(3, UFFDIO_API, NULL [pid 6934] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6938 [pid 6938] <... set_robust_list resumed>) = 0 [pid 6937] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6937] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6939 attached ./strace-static-x86_64: Process 6940 attached [pid 6937] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6940] set_robust_list(0x555592b0f6a0, 24 [pid 6939] set_robust_list(0x555592b0f6a0, 24 [pid 6938] <... prctl resumed>) = 0 [pid 6937] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... set_robust_list resumed>) = 0 [pid 6938] setpgid(0, 0 [pid 6937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 6938] <... setpgid resumed>) = 0 [pid 6937] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6934] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6941 attached [pid 6940] <... set_robust_list resumed>) = 0 [pid 6939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6940 [pid 6940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6939] <... prctl resumed>) = 0 [pid 6940] <... prctl resumed>) = 0 [pid 6941] set_robust_list(0x555592b0f6a0, 24 [pid 6940] setpgid(0, 0 [pid 6939] setpgid(0, 0 [pid 6938] <... openat resumed>) = 3 [pid 6937] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6939 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6941 [pid 6941] <... set_robust_list resumed>) = 0 [pid 6940] <... setpgid resumed>) = 0 [pid 6939] <... setpgid resumed>) = 0 [pid 6938] write(3, "1000", 4 [pid 6941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6938] <... write resumed>) = 4 [pid 6941] <... prctl resumed>) = 0 [pid 6938] close(3 [pid 6937] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] setpgid(0, 0 [pid 6940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6939] <... openat resumed>) = 3 [pid 6938] <... close resumed>) = 0 [pid 6937] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6941] <... setpgid resumed>) = 0 [pid 6940] <... openat resumed>) = 3 [pid 6939] write(3, "1000", 4executing program [pid 6938] write(1, "executing program\n", 18 [pid 6937] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6940] write(3, "1000", 4 [pid 6939] <... write resumed>) = 4 [pid 6938] <... write resumed>) = 18 [pid 6934] <... futex resumed>) = 0 [pid 6940] <... write resumed>) = 4 [pid 6939] close(3 [pid 6934] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6940] close(3 [pid 6939] <... close resumed>) = 0 [pid 6941] <... openat resumed>) = 3 [pid 6940] <... close resumed>) = 0 [pid 6939] write(1, "executing program\n", 18executing program [pid 6938] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] write(3, "1000", 4 executing program [pid 6940] write(1, "executing program\n", 18 [pid 6939] <... write resumed>) = 18 [pid 6938] <... futex resumed>) = 0 [pid 6937] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6941] <... write resumed>) = 4 [pid 6940] <... write resumed>) = 18 [pid 6939] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6941] close(3 [pid 6940] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... futex resumed>) = 0 [pid 6940] <... futex resumed>) = 0 [pid 6939] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6940] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6939] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6940] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6939] <... mmap resumed>) = 0x7f2f310d3000 [pid 6940] <... mmap resumed>) = 0x7f2f310d3000 [pid 6939] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6940] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6939] <... mprotect resumed>) = 0 [pid 6940] <... mprotect resumed>) = 0 [pid 6939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6941] <... close resumed>) = 0 [pid 6939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6941] write(1, "executing program\n", 18 [pid 6940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}executing program [pid 6939] <... clone3 resumed> => {parent_tid=[6942]}, 88) = 6942 [pid 6941] <... write resumed>) = 18 [pid 6938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] <... clone3 resumed> => {parent_tid=[6943]}, 88) = 6943 [pid 6939] rt_sigprocmask(SIG_SETMASK, [], [pid 6941] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6943 attached [pid 6940] rt_sigprocmask(SIG_SETMASK, [], [pid 6939] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6942 attached [pid 6940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6939] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... mmap resumed>) = 0x7f2f310d3000 [pid 6941] <... futex resumed>) = 0 [pid 6943] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6941] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6940] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... futex resumed>) = 0 [pid 6938] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6941] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6938] <... mprotect resumed>) = 0 [pid 6941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6942] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6939] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6943] <... rseq resumed>) = 0 [pid 6942] <... rseq resumed>) = 0 [pid 6941] <... mmap resumed>) = 0x7f2f310d3000 [pid 6940] <... futex resumed>) = 0 [pid 6938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6934] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6941] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6944 attached [pid 6943] set_robust_list(0x7f2f310f39a0, 24 [pid 6942] set_robust_list(0x7f2f310f39a0, 24 [pid 6941] <... mprotect resumed>) = 0 [pid 6940] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... clone3 resumed> => {parent_tid=[6944]}, 88) = 6944 [pid 6934] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6938] rt_sigprocmask(SIG_SETMASK, [], [pid 6944] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6944] <... rseq resumed>) = 0 [pid 6941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6938] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] set_robust_list(0x7f2f310f39a0, 24./strace-static-x86_64: Process 6945 attached ) = 0 [pid 6943] <... set_robust_list resumed>) = 0 [pid 6942] <... set_robust_list resumed>) = 0 [pid 6938] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = 0 [pid 6945] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6944] rt_sigprocmask(SIG_SETMASK, [], [pid 6943] rt_sigprocmask(SIG_SETMASK, [], [pid 6942] rt_sigprocmask(SIG_SETMASK, [], [pid 6941] <... clone3 resumed> => {parent_tid=[6945]}, 88) = 6945 [pid 6938] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6945] <... rseq resumed>) = 0 [pid 6944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6941] rt_sigprocmask(SIG_SETMASK, [], [pid 6945] set_robust_list(0x7f2f310f39a0, 24 [pid 6944] userfaultfd(UFFD_USER_MODE_ONLY [pid 6943] userfaultfd(UFFD_USER_MODE_ONLY [pid 6942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] <... set_robust_list resumed>) = 0 [pid 6944] <... userfaultfd resumed>) = 3 [pid 6943] <... userfaultfd resumed>) = 3 [pid 6942] userfaultfd(UFFD_USER_MODE_ONLY [pid 6941] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] rt_sigprocmask(SIG_SETMASK, [], [pid 6944] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] <... userfaultfd resumed>) = 3 [pid 6944] <... futex resumed>) = 1 [pid 6943] <... futex resumed>) = 1 [pid 6942] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6938] <... futex resumed>) = 0 [pid 6943] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6942] <... futex resumed>) = 1 [pid 6940] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... futex resumed>) = 0 [pid 6938] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] ioctl(3, UFFDIO_API, NULL [pid 6945] userfaultfd(UFFD_USER_MODE_ONLY [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6942] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] <... futex resumed>) = 0 [pid 6939] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... futex resumed>) = 0 [pid 6945] <... userfaultfd resumed>) = 3 [pid 6943] ioctl(3, UFFDIO_API, NULL [pid 6942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] <... futex resumed>) = 0 [pid 6940] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6944] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6939] <... futex resumed>) = 0 [pid 6938] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6942] ioctl(3, UFFDIO_API, NULL [pid 6941] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] <... futex resumed>) = 0 [pid 6942] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6943] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 1 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6943] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6942] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] ioctl(3, UFFDIO_API, NULL [pid 6944] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6945] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6944] <... futex resumed>) = 1 [pid 6943] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6942] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6938] <... futex resumed>) = 0 [pid 6945] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6943] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6942] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6941] <... futex resumed>) = 0 [pid 6940] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = 0 [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6943] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... futex resumed>) = 0 [pid 6945] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6943] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 0 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6938] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6943] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6942] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6944] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6943] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6942] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6940] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6944] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = 0 [pid 6945] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6944] <... futex resumed>) = 1 [pid 6941] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... futex resumed>) = 0 [pid 6945] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6938] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6945] <... futex resumed>) = 1 [pid 6941] <... futex resumed>) = 0 [pid 6938] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6941] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6944] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6937] <... io_uring_register resumed>) = 0 [pid 6934] <... mmap resumed>) = 0x7f2f310b2000 [pid 6934] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} => {parent_tid=[6946]}, 88) = 6946 [pid 6934] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6946 attached [pid 6937] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6940] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6946] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6934] <... futex resumed>) = 0 [pid 6946] <... rseq resumed>) = 0 [pid 6938] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6937] <... futex resumed>) = 0 [pid 6934] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6938] <... futex resumed>) = 0 [pid 6938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6946] set_robust_list(0x7f2f310d29a0, 24 [pid 6941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6946] <... set_robust_list resumed>) = 0 [pid 6941] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6946] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 6946] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6946] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... futex resumed>) = 0 [pid 6934] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] <... futex resumed>) = 0 [pid 6941] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = 1 [pid 6941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6937] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6934] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6937] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6937] <... futex resumed>) = 0 [pid 6937] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 6937] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6934] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... madvise resumed>) = 0 [pid 6937] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... mmap resumed>) = 0x7f2f310b2000 [pid 6940] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6940] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6937] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6940] <... clone3 resumed> => {parent_tid=[6947]}, 88) = 6947 [pid 6937] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] exit_group(0./strace-static-x86_64: Process 6947 attached [pid 6946] <... futex resumed>) = ? [pid 6940] rt_sigprocmask(SIG_SETMASK, [], [pid 6937] <... futex resumed>) = ? [pid 6934] <... exit_group resumed>) = ? [pid 6940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] +++ exited with 0 +++ [pid 6940] <... futex resumed>) = 0 [pid 6940] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6947] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6939] <... mmap resumed>) = 0x7f2f310b2000 [pid 6947] <... rseq resumed>) = 0 [pid 6942] <... io_uring_register resumed>) = 0 [pid 6947] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 6947] rt_sigprocmask(SIG_SETMASK, [], [pid 6946] +++ exited with 0 +++ [pid 6939] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6934] +++ exited with 0 +++ [pid 6947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6942] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6934, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6947] ioctl(3, UFFDIO_REGISTER, NULL [pid 6943] <... io_uring_register resumed>) = 0 [pid 6942] <... futex resumed>) = 0 [pid 6939] <... mprotect resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6947] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6947] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6939] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6947] <... futex resumed>) = 1 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6947] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6943] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6943] <... futex resumed>) = 0 [pid 6940] <... futex resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6948 attached [pid 6943] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6940] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6943] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6939] <... clone3 resumed> => {parent_tid=[6948]}, 88) = 6948 [pid 6948] <... rseq resumed>) = 0 [pid 6943] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6949 attached [pid 6948] set_robust_list(0x7f2f310d29a0, 24 [pid 6943] <... futex resumed>) = 1 [pid 6941] <... mmap resumed>) = 0x7f2f310b2000 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] set_robust_list(0x555592b0f6a0, 24 [pid 6948] <... set_robust_list resumed>) = 0 [pid 6945] <... io_uring_register resumed>) = 0 [pid 6943] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6940] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... mmap resumed>) = 0x7f2f310b2000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6949 [pid 6949] <... set_robust_list resumed>) = 0 [pid 6948] rt_sigprocmask(SIG_SETMASK, [], [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] <... mprotect resumed>) = 0 [pid 6940] <... futex resumed>) = 0 [pid 6939] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6940] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] <... futex resumed>) = 0 [pid 6938] <... mprotect resumed>) = 0 [pid 6949] <... prctl resumed>) = 0 [pid 6948] ioctl(3, UFFDIO_REGISTER, NULL [pid 6945] <... futex resumed>) = 0 [pid 6941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6939] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6945] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6938] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6950 attached [pid 6949] setpgid(0, 0 [pid 6948] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6944] <... io_uring_register resumed>) = 0 [pid 6943] <... madvise resumed>) = 0 [pid 6938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6951 attached [pid 6950] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6949] <... setpgid resumed>) = 0 [pid 6948] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... clone3 resumed> => {parent_tid=[6950]}, 88) = 6950 [pid 6951] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6950] <... rseq resumed>) = 0 [pid 6949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6948] <... futex resumed>) = 1 [pid 6944] <... futex resumed>) = 0 [pid 6943] <... futex resumed>) = 1 [pid 6941] rt_sigprocmask(SIG_SETMASK, [], [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6938] <... clone3 resumed> => {parent_tid=[6951]}, 88) = 6951 [pid 6951] <... rseq resumed>) = 0 [pid 6950] set_robust_list(0x7f2f310d29a0, 24 [pid 6949] <... openat resumed>) = 3 [pid 6948] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6943] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] exit_group(0 [pid 6939] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] rt_sigprocmask(SIG_SETMASK, [], [pid 6951] set_robust_list(0x7f2f310d29a0, 24 [pid 6950] <... set_robust_list resumed>) = 0 [pid 6949] write(3, "1000", 4 [pid 6947] <... futex resumed>) = ? [pid 6943] <... futex resumed>) = ? [pid 6942] <... futex resumed>) = 0 [pid 6941] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... exit_group resumed>) = ? [pid 6939] <... futex resumed>) = 1 [pid 6938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6951] <... set_robust_list resumed>) = 0 [pid 6950] rt_sigprocmask(SIG_SETMASK, [], [pid 6949] <... write resumed>) = 4 [pid 6947] +++ exited with 0 +++ [pid 6943] +++ exited with 0 +++ [pid 6942] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6941] <... futex resumed>) = 0 [pid 6939] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] rt_sigprocmask(SIG_SETMASK, [], [pid 6950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] close(3 [pid 6942] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6941] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6940] +++ exited with 0 +++ [pid 6938] <... futex resumed>) = 0 [pid 6951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6950] ioctl(3, UFFDIO_REGISTER, NULL [pid 6949] <... close resumed>) = 0 [pid 6942] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6940, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6951] ioctl(3, UFFDIO_REGISTER, NULL [pid 6950] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6949] write(1, "executing program\n", 18 [pid 6942] <... futex resumed>) = 1 [pid 6939] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6951] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6950] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... write resumed>) = 18 [pid 6942] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6939] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6951] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... futex resumed>) = 1 [pid 6949] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] <... madvise resumed>) = 0 [pid 6941] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6951] <... futex resumed>) = 1 [pid 6950] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] <... futex resumed>) = 0 [pid 6941] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... futex resumed>) = 0 [pid 6951] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6945] <... futex resumed>) = 0 [pid 6942] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = 1 [pid 6939] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6945] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6944] <... futex resumed>) = 0 [pid 6942] <... futex resumed>) = 0 [pid 6941] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6938] <... futex resumed>) = 1 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6945] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6944] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6942] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6939] exit_group(0 [pid 6938] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6952 attached [pid 6949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6942] <... futex resumed>) = ? [pid 6939] <... exit_group resumed>) = ? [pid 6949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6948] <... futex resumed>) = ? [pid 6945] <... futex resumed>) = 0 [pid 6944] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] +++ exited with 0 +++ [pid 6952] set_robust_list(0x555592b0f6a0, 24 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6949] <... mmap resumed>) = 0x7f2f310d3000 [pid 6945] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] <... futex resumed>) = 1 [pid 6941] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... futex resumed>) = 0 [pid 6949] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6944] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... futex resumed>) = 0 [pid 6938] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6952 [pid 6952] <... set_robust_list resumed>) = 0 [pid 6949] <... mprotect resumed>) = 0 [pid 6945] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... futex resumed>) = 0 [pid 6952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6949] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6948] +++ exited with 0 +++ [pid 6945] <... madvise resumed>) = 0 [pid 6944] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6939] +++ exited with 0 +++ [pid 6938] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] <... prctl resumed>) = 0 [pid 6949] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6939, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 6953 attached [pid 6952] setpgid(0, 0) = 0 [pid 6949] <... clone3 resumed> => {parent_tid=[6953]}, 88) = 6953 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6953] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 6953] set_robust_list(0x7f2f310f39a0, 24) = 0 ./strace-static-x86_64: Process 6954 attached [pid 6949] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6954 [pid 6954] set_robust_list(0x555592b0f6a0, 24 [pid 6953] rt_sigprocmask(SIG_SETMASK, [], [pid 6952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6945] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... madvise resumed>) = 0 [pid 6954] <... set_robust_list resumed>) = 0 [pid 6953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] <... openat resumed>) = 3 [pid 6949] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] <... futex resumed>) = 1 [pid 6941] <... futex resumed>) = 0 [pid 6954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6953] userfaultfd(UFFD_USER_MODE_ONLY [pid 6952] write(3, "1000", 4 [pid 6949] <... futex resumed>) = 0 [pid 6945] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] exit_group(0 [pid 6954] <... prctl resumed>) = 0 [pid 6953] <... userfaultfd resumed>) = 3 [pid 6952] <... write resumed>) = 4 [pid 6950] <... futex resumed>) = ? [pid 6949] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] <... futex resumed>) = ? [pid 6944] <... futex resumed>) = 1 [pid 6941] <... exit_group resumed>) = ? [pid 6938] <... futex resumed>) = 0 [pid 6954] setpgid(0, 0 [pid 6953] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] close(3 [pid 6950] +++ exited with 0 +++ [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6945] +++ exited with 0 +++ [pid 6944] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6938] exit_group(0 [pid 6954] <... setpgid resumed>) = 0 [pid 6953] <... futex resumed>) = 0 [pid 6951] <... futex resumed>) = ? [pid 6944] <... futex resumed>) = ? [pid 6938] <... exit_group resumed>) = ? [pid 6954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6953] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] <... close resumed>) = 0 [pid 6951] +++ exited with 0 +++ [pid 6949] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] +++ exited with 0 +++ [pid 6941] +++ exited with 0 +++ [pid 6938] +++ exited with 0 +++ [pid 6953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 6953] ioctl(3, UFFDIO_API, NULL [pid 6952] write(1, "executing program\n", 18 [pid 6949] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6941, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6938, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6954] <... openat resumed>) = 3 [pid 6953] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6952] <... write resumed>) = 18 [pid 6949] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6954] write(3, "1000", 4 [pid 6953] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6954] <... write resumed>) = 4 [pid 6953] <... futex resumed>) = 0 [pid 6952] <... futex resumed>) = 0 [pid 6949] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] close(3 [pid 6953] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6952] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6949] <... futex resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6954] <... close resumed>) = 0 [pid 6953] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 executing program [pid 6952] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6949] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] write(1, "executing program\n", 18 [pid 6953] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6954] <... write resumed>) = 18 [pid 6953] <... futex resumed>) = 0 [pid 6952] <... mmap resumed>) = 0x7f2f310d3000 [pid 6949] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6954] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6952] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6949] <... futex resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6954] <... futex resumed>) = 0 [pid 6952] <... mprotect resumed>) = 0 [pid 6952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6954] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6949] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 ./strace-static-x86_64: Process 6955 attached ./strace-static-x86_64: Process 6957 attached [pid 6954] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6955 [pid 6954] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6956 attached [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6957 [pid 6954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6955] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 6955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6952] <... clone3 resumed> => {parent_tid=[6956]}, 88) = 6956 [pid 6956] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 6957] set_robust_list(0x555592b0f6a0, 24 [pid 6955] <... prctl resumed>) = 0 [pid 6956] set_robust_list(0x7f2f310f39a0, 24 [pid 6954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6952] rt_sigprocmask(SIG_SETMASK, [], [pid 6957] <... set_robust_list resumed>) = 0 [pid 6956] <... set_robust_list resumed>) = 0 [pid 6954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6956] rt_sigprocmask(SIG_SETMASK, [], [pid 6957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6952] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] <... futex resumed>) = 0 [pid 6957] <... prctl resumed>) = 0 [pid 6956] userfaultfd(UFFD_USER_MODE_ONLY [pid 6954] <... clone3 resumed> => {parent_tid=[6958]}, 88) = 6958 ./strace-static-x86_64: Process 6958 attached [pid 6957] setpgid(0, 0 [pid 6955] setpgid(0, 0 [pid 6952] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] rt_sigprocmask(SIG_SETMASK, [], [pid 6957] <... setpgid resumed>) = 0 [pid 6954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6955] <... setpgid resumed>) = 0 [pid 6957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6954] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... openat resumed>) = 3 [pid 6955] <... openat resumed>) = 3 [pid 6954] <... futex resumed>) = 0 [pid 6958] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6957] write(3, "1000", 4 [pid 6956] <... userfaultfd resumed>) = 3 [pid 6954] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6957] <... write resumed>) = 4 [pid 6956] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] close(3 [pid 6956] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6957] <... close resumed>) = 0 [pid 6956] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6957] write(1, "executing program\n", 18 [pid 6956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6957] <... write resumed>) = 18 [pid 6956] ioctl(3, UFFDIO_API, NULL [pid 6952] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6957] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6957] <... futex resumed>) = 0 [pid 6958] <... rseq resumed>) = 0 [pid 6957] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6956] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] write(3, "1000", 4 [pid 6953] <... io_uring_register resumed>) = 0 [pid 6957] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6956] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6956] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6952] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6957] <... mmap resumed>) = 0x7f2f310d3000 [pid 6957] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6958] set_robust_list(0x7f2f310f39a0, 24 [pid 6955] <... write resumed>) = 4 [pid 6958] <... set_robust_list resumed>) = 0 [pid 6957] <... mprotect resumed>) = 0 [pid 6956] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6955] close(3 [pid 6958] rt_sigprocmask(SIG_SETMASK, [], [pid 6955] <... close resumed>) = 0 [pid 6958] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6955] write(1, "executing program\n", 18 [pid 6958] userfaultfd(UFFD_USER_MODE_ONLY [pid 6955] <... write resumed>) = 18 [pid 6958] <... userfaultfd resumed>) = 3 [pid 6957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6955] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = 0 [pid 6958] <... futex resumed>) = 1 [pid 6955] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6958] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6956] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6954] <... futex resumed>) = 0 [pid 6953] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6954] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... futex resumed>) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6953] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6959 attached [pid 6958] <... futex resumed>) = 0 [pid 6956] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... mmap resumed>) = 0x7f2f310d3000 [pid 6954] <... futex resumed>) = 1 [pid 6953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6949] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6958] ioctl(3, UFFDIO_API, NULL [pid 6957] <... clone3 resumed> => {parent_tid=[6959]}, 88) = 6959 [pid 6956] <... futex resumed>) = 1 [pid 6955] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6954] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] ioctl(3, UFFDIO_REGISTER, NULL [pid 6952] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 0 [pid 6959] <... rseq resumed>) = 0 [pid 6958] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6957] rt_sigprocmask(SIG_SETMASK, [], [pid 6956] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] <... mprotect resumed>) = 0 [pid 6953] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6952] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] set_robust_list(0x7f2f310f39a0, 24 [pid 6958] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6953] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... futex resumed>) = 0 [pid 6958] <... futex resumed>) = 1 [pid 6955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6954] <... futex resumed>) = 0 [pid 6953] <... futex resumed>) = 0 [pid 6959] <... set_robust_list resumed>) = 0 [pid 6952] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] rt_sigprocmask(SIG_SETMASK, [], [pid 6958] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6957] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6954] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6960 attached [pid 6959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6957] <... futex resumed>) = 0 [pid 6954] <... futex resumed>) = 0 [pid 6960] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6959] userfaultfd(UFFD_USER_MODE_ONLY [pid 6958] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6957] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... clone3 resumed> => {parent_tid=[6960]}, 88) = 6960 [pid 6954] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... rseq resumed>) = 0 [pid 6959] <... userfaultfd resumed>) = 3 [pid 6958] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6955] rt_sigprocmask(SIG_SETMASK, [], [pid 6953] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 1 [pid 6960] set_robust_list(0x7f2f310f39a0, 24 [pid 6959] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6953] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6949] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] <... set_robust_list resumed>) = 0 [pid 6959] <... futex resumed>) = 1 [pid 6958] <... futex resumed>) = 1 [pid 6957] <... futex resumed>) = 0 [pid 6955] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = 0 [pid 6953] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6960] rt_sigprocmask(SIG_SETMASK, [], [pid 6959] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6957] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = 0 [pid 6954] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6957] <... futex resumed>) = 0 [pid 6955] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... futex resumed>) = 0 [pid 6953] <... futex resumed>) = 1 [pid 6960] userfaultfd(UFFD_USER_MODE_ONLY [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6957] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] <... futex resumed>) = 0 [pid 6960] <... userfaultfd resumed>) = 3 [pid 6959] ioctl(3, UFFDIO_API, NULL [pid 6960] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6960] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] <... futex resumed>) = 0 [pid 6960] ioctl(3, UFFDIO_API, NULL [pid 6955] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6960] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6949] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6960] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] <... futex resumed>) = 0 [pid 6960] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6959] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 1 [pid 6959] <... futex resumed>) = 1 [pid 6957] <... futex resumed>) = 0 [pid 6953] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6949] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6957] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6957] <... futex resumed>) = 0 [pid 6959] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6957] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6959] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... madvise resumed>) = 0 [pid 6957] <... futex resumed>) = 0 [pid 6960] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6959] <... futex resumed>) = 1 [pid 6957] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6953] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6953] <... futex resumed>) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 0 [pid 6960] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6955] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] exit_group(0 [pid 6959] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6957] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] <... exit_group resumed>) = ? [pid 6953] <... futex resumed>) = ? [pid 6953] +++ exited with 0 +++ [pid 6949] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6949, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6952] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6961 attached , child_tidptr=0x555592b0f690) = 6961 [pid 6961] set_robust_list(0x555592b0f6a0, 24 [pid 6954] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6961] <... set_robust_list resumed>) = 0 [pid 6961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6954] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6961] setpgid(0, 0 [pid 6954] <... futex resumed>) = 0 [pid 6961] <... setpgid resumed>) = 0 [pid 6955] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6957] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6955] <... futex resumed>) = 0 [pid 6961] <... openat resumed>) = 3 [pid 6955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6961] write(3, "1000", 4) = 4 [pid 6961] close(3) = 0 [pid 6952] <... mmap resumed>) = 0x7f2f310b2000 executing program [pid 6961] write(1, "executing program\n", 18 [pid 6958] <... io_uring_register resumed>) = 0 [pid 6954] <... mmap resumed>) = 0x7f2f310b2000 [pid 6952] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6961] <... write resumed>) = 18 [pid 6958] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6952] <... mprotect resumed>) = 0 [pid 6961] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... mprotect resumed>) = 0 [pid 6952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6961] <... futex resumed>) = 0 [pid 6958] <... futex resumed>) = 0 [pid 6956] <... io_uring_register resumed>) = 0 [pid 6954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6961] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6958] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6961] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6962 attached ./strace-static-x86_64: Process 6963 attached NULL, 8) = 0 [pid 6956] <... futex resumed>) = 0 [pid 6963] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6954] <... clone3 resumed> => {parent_tid=[6963]}, 88) = 6963 [pid 6961] <... mmap resumed>) = 0x7f2f310d3000 [pid 6956] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6954] rt_sigprocmask(SIG_SETMASK, [], [pid 6963] <... rseq resumed>) = 0 [pid 6961] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6952] <... clone3 resumed> => {parent_tid=[6962]}, 88) = 6962 [pid 6963] set_robust_list(0x7f2f310d29a0, 24 [pid 6961] <... mprotect resumed>) = 0 [pid 6954] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] rt_sigprocmask(SIG_SETMASK, [], [pid 6963] <... set_robust_list resumed>) = 0 [pid 6962] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6961] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6954] <... futex resumed>) = 0 [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6963] rt_sigprocmask(SIG_SETMASK, [], [pid 6962] <... rseq resumed>) = 0 [pid 6961] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6954] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6962] set_robust_list(0x7f2f310d29a0, 24 [pid 6961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6952] <... futex resumed>) = 0 [pid 6963] ioctl(3, UFFDIO_REGISTER, NULL [pid 6962] <... set_robust_list resumed>) = 0 [pid 6960] <... io_uring_register resumed>) = 0 [pid 6955] <... mmap resumed>) = 0x7f2f310b2000 ./strace-static-x86_64: Process 6964 attached [pid 6963] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6962] rt_sigprocmask(SIG_SETMASK, [], [pid 6960] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6952] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6963] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6961] <... clone3 resumed> => {parent_tid=[6964]}, 88) = 6964 [pid 6960] <... futex resumed>) = 0 [pid 6955] <... mprotect resumed>) = 0 [pid 6964] <... rseq resumed>) = 0 [pid 6963] <... futex resumed>) = 1 [pid 6962] ioctl(3, UFFDIO_REGISTER, NULL [pid 6961] rt_sigprocmask(SIG_SETMASK, [], [pid 6954] <... futex resumed>) = 0 [pid 6964] set_robust_list(0x7f2f310f39a0, 24 [pid 6963] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6960] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6964] <... set_robust_list resumed>) = 0 [pid 6962] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6954] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] rt_sigprocmask(SIG_SETMASK, [], [pid 6962] <... futex resumed>) = 1 [pid 6961] <... futex resumed>) = 0 [pid 6959] <... io_uring_register resumed>) = 0 [pid 6958] <... futex resumed>) = 0 [pid 6957] <... mmap resumed>) = 0x7f2f310b2000 [pid 6955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6965 attached [pid 6964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6962] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6961] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6957] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6954] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6964] userfaultfd(UFFD_USER_MODE_ONLY [pid 6959] <... futex resumed>) = 0 [pid 6958] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6955] <... clone3 resumed> => {parent_tid=[6965]}, 88) = 6965 [pid 6952] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6957] <... mprotect resumed>) = 0 [pid 6965] <... rseq resumed>) = 0 [pid 6964] <... userfaultfd resumed>) = 3 [pid 6959] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6955] rt_sigprocmask(SIG_SETMASK, [], [pid 6952] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] set_robust_list(0x7f2f310d29a0, 24 [pid 6964] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... futex resumed>) = 1 [pid 6957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6956] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6954] <... futex resumed>) = 0 [pid 6965] <... set_robust_list resumed>) = 0 [pid 6964] <... futex resumed>) = 1 [pid 6961] <... futex resumed>) = 0 [pid 6958] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6956] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] rt_sigprocmask(SIG_SETMASK, [], [pid 6964] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6961] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6956] <... futex resumed>) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6954] <... futex resumed>) = 0 [pid 6952] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6966 attached [pid 6965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6961] <... futex resumed>) = 0 [pid 6958] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6956] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6955] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6965] ioctl(3, UFFDIO_REGISTER, NULL [pid 6964] ioctl(3, UFFDIO_API, NULL [pid 6961] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6958] <... madvise resumed>) = 0 [pid 6957] <... clone3 resumed> => {parent_tid=[6966]}, 88) = 6966 [pid 6952] <... futex resumed>) = 0 [pid 6966] <... rseq resumed>) = 0 [pid 6965] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6964] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6958] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6966] set_robust_list(0x7f2f310d29a0, 24 [pid 6965] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... futex resumed>) = 1 [pid 6957] rt_sigprocmask(SIG_SETMASK, [], [pid 6954] <... futex resumed>) = 0 [pid 6966] <... set_robust_list resumed>) = 0 [pid 6965] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 1 [pid 6961] <... futex resumed>) = 0 [pid 6958] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6955] <... futex resumed>) = 0 [pid 6954] exit_group(0 [pid 6966] rt_sigprocmask(SIG_SETMASK, [], [pid 6965] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6963] <... futex resumed>) = ? [pid 6964] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6961] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... futex resumed>) = ? [pid 6955] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... exit_group resumed>) = ? [pid 6966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6963] +++ exited with 0 +++ [pid 6961] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 0 [pid 6958] +++ exited with 0 +++ [pid 6957] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = 1 [pid 6954] +++ exited with 0 +++ [pid 6966] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 6960] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6966] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6954, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6966] <... futex resumed>) = 0 [pid 6964] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6961] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... futex resumed>) = 0 [pid 6955] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6957] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6966] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6960] <... futex resumed>) = 0 [pid 6960] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6967 attached [pid 6964] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... madvise resumed>) = 0 [pid 6955] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... futex resumed>) = 1 [pid 6961] <... futex resumed>) = 0 [pid 6957] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = 1 [pid 6960] <... futex resumed>) = 0 [pid 6964] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6961] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6957] <... futex resumed>) = 1 [pid 6955] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6967] set_robust_list(0x555592b0f6a0, 24 [pid 6961] <... futex resumed>) = 0 [pid 6959] <... futex resumed>) = 0 [pid 6957] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6956] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6967 [pid 6967] <... set_robust_list resumed>) = 0 [pid 6961] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6956] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6959] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6956] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... prctl resumed>) = 0 [pid 6959] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] exit_group(0 [pid 6967] setpgid(0, 0 [pid 6959] <... futex resumed>) = 1 [pid 6967] <... setpgid resumed>) = 0 [pid 6962] <... futex resumed>) = ? [pid 6959] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6957] <... futex resumed>) = 0 [pid 6956] <... futex resumed>) = ? [pid 6952] <... exit_group resumed>) = ? [pid 6967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6962] +++ exited with 0 +++ [pid 6957] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] +++ exited with 0 +++ [pid 6967] <... openat resumed>) = 3 [pid 6960] <... madvise resumed>) = 0 [pid 6959] <... futex resumed>) = 0 [pid 6957] <... futex resumed>) = 1 [pid 6952] +++ exited with 0 +++ [pid 6967] write(3, "1000", 4 [pid 6960] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6957] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6952, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6960] <... futex resumed>) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6960] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] exit_group(0 [pid 6965] <... futex resumed>) = ? [pid 6960] <... futex resumed>) = ? [pid 6955] <... exit_group resumed>) = ? [pid 6965] +++ exited with 0 +++ [pid 6960] +++ exited with 0 +++ [pid 6955] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6955, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6967] <... write resumed>) = 4 [pid 6967] close(3) = 0 [pid 6967] write(1, "executing program\n", 18) = 18 [pid 6967] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6967] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6959] <... madvise resumed>) = 0 [pid 6967] <... mmap resumed>) = 0x7f2f310d3000 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6959] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6968 attached [pid 6959] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6969 attached [pid 6968] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6967] <... clone3 resumed> => {parent_tid=[6968]}, 88) = 6968 [pid 6959] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6957] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6969 [pid 6969] set_robust_list(0x555592b0f6a0, 24 [pid 6968] <... rseq resumed>) = 0 [pid 6967] rt_sigprocmask(SIG_SETMASK, [], [pid 6964] <... io_uring_register resumed>) = 0 [pid 6957] exit_group(0 [pid 6969] <... set_robust_list resumed>) = 0 [pid 6968] set_robust_list(0x7f2f310f39a0, 24 [pid 6967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6968] <... set_robust_list resumed>) = 0 [pid 6967] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] <... futex resumed>) = ? [pid 6959] <... futex resumed>) = ? [pid 6957] <... exit_group resumed>) = ? [pid 6968] rt_sigprocmask(SIG_SETMASK, [], [pid 6967] <... futex resumed>) = 0 [pid 6966] +++ exited with 0 +++ [pid 6964] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] +++ exited with 0 +++ [pid 6969] <... prctl resumed>) = 0 [pid 6968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6967] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] <... futex resumed>) = 1 [pid 6961] <... futex resumed>) = 0 [pid 6969] setpgid(0, 0 [pid 6968] userfaultfd(UFFD_USER_MODE_ONLY [pid 6964] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6961] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... setpgid resumed>) = 0 [pid 6968] <... userfaultfd resumed>) = 3 [pid 6964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6961] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6968] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] ioctl(3, UFFDIO_REGISTER, NULL [pid 6961] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6968] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6964] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6967] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... openat resumed>) = 3 [pid 6968] ioctl(3, UFFDIO_API, NULL [pid 6967] <... futex resumed>) = 0 [pid 6964] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] <... futex resumed>) = 0 [pid 6961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6969] write(3, "1000", 4 [pid 6968] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6969] <... write resumed>) = 4 [pid 6968] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6969] close(3 [pid 6968] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6969] <... close resumed>) = 0 [pid 6968] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] write(1, "executing program\n", 18 [pid 6968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6970 attached [pid 6969] <... write resumed>) = 18 [pid 6968] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6967] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6961] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] set_robust_list(0x555592b0f6a0, 24 [pid 6969] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6964] <... futex resumed>) = 0 [pid 6961] <... futex resumed>) = 1 [pid 6970] <... set_robust_list resumed>) = 0 [pid 6969] <... futex resumed>) = 0 [pid 6970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6969] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6964] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6961] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6970 [pid 6970] <... prctl resumed>) = 0 [pid 6969] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6957] +++ exited with 0 +++ [pid 6964] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6970] setpgid(0, 0 [pid 6969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6968] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6957, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6964] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] <... setpgid resumed>) = 0 [pid 6969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6968] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6968] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... futex resumed>) = 1 [pid 6961] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6967] <... futex resumed>) = 0 [pid 6964] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6961] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6961] <... futex resumed>) = 0 [pid 6964] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6961] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6970] <... openat resumed>) = 3 [pid 6969] <... mmap resumed>) = 0x7f2f310d3000 [pid 6968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6970] write(3, "1000", 4 [pid 6969] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6968] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6970] <... write resumed>) = 4 [pid 6969] <... mprotect resumed>) = 0 [pid 6970] close(3executing program [pid 6969] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6970] <... close resumed>) = 0 [pid 6964] <... madvise resumed>) = 0 [pid 6970] write(1, "executing program\n", 18) = 18 [pid 6969] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6970] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6970] <... futex resumed>) = 0 [pid 6970] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6969] <... clone3 resumed> => {parent_tid=[6971]}, 88) = 6971 [pid 6970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6969] rt_sigprocmask(SIG_SETMASK, [], [pid 6970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6969] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] <... mmap resumed>) = 0x7f2f310d3000 [pid 6969] <... futex resumed>) = 0 [pid 6969] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6970] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6971 attached [pid 6970] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6964] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[6973]}, 88) = 6973 [pid 6970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6970] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6973 attached [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6972 [pid 6964] <... futex resumed>) = 1 [pid 6970] <... futex resumed>) = 0 [pid 6970] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6972 attached [pid 6971] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 6971] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 6971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6971] userfaultfd(UFFD_USER_MODE_ONLY [pid 6964] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6973] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6961] <... futex resumed>) = 0 [pid 6973] <... rseq resumed>) = 0 [pid 6972] set_robust_list(0x555592b0f6a0, 24 [pid 6971] <... userfaultfd resumed>) = 3 [pid 6961] exit_group(0 [pid 6972] <... set_robust_list resumed>) = 0 [pid 6971] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] set_robust_list(0x7f2f310f39a0, 24 [pid 6964] <... futex resumed>) = ? [pid 6961] <... exit_group resumed>) = ? [pid 6972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6971] <... futex resumed>) = 1 [pid 6969] <... futex resumed>) = 0 [pid 6964] +++ exited with 0 +++ [pid 6972] <... prctl resumed>) = 0 [pid 6971] ioctl(3, UFFDIO_API, NULL [pid 6969] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] setpgid(0, 0 [pid 6971] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6969] <... futex resumed>) = 0 [pid 6969] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... setpgid resumed>) = 0 [pid 6971] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6971] <... futex resumed>) = 1 [pid 6969] <... futex resumed>) = 0 [pid 6969] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6973] <... set_robust_list resumed>) = 0 [pid 6969] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6961] +++ exited with 0 +++ [pid 6973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6971] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6973] userfaultfd(UFFD_USER_MODE_ONLY [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6961, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6973] <... userfaultfd resumed>) = 3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6973] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6974 attached ) = 1 [pid 6972] <... openat resumed>) = 3 [pid 6971] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6970] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6973] ioctl(3, UFFDIO_API, NULL [pid 6972] write(3, "1000", 4 [pid 6971] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6972] <... write resumed>) = 4 [pid 6971] <... futex resumed>) = 1 [pid 6969] <... futex resumed>) = 0 [pid 6970] <... futex resumed>) = 0 [pid 6973] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] close(3 [pid 6971] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6970] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6969] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] set_robust_list(0x555592b0f6a0, 24 [pid 6973] <... futex resumed>) = 0 [pid 6972] <... close resumed>) = 0 [pid 6971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6969] <... futex resumed>) = 0 [pid 6967] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... set_robust_list resumed>) = 0 [pid 6973] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6972] write(1, "executing program\n", 18 [pid 6971] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6970] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6968] <... io_uring_register resumed>) = 0 [pid 6967] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6974 [pid 6974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... write resumed>) = 18 [pid 6970] <... futex resumed>) = 0 [pid 6967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6974] <... prctl resumed>) = 0 [pid 6973] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6972] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6968] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... mmap resumed>) = 0x7f2f310b2000 [pid 6974] setpgid(0, 0 [pid 6973] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6972] <... futex resumed>) = 0 [pid 6968] <... futex resumed>) = 0 [pid 6967] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6974] <... setpgid resumed>) = 0 [pid 6973] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6968] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... mprotect resumed>) = 0 [pid 6974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6973] <... futex resumed>) = 1 [pid 6972] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6970] <... futex resumed>) = 0 [pid 6967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6974] <... openat resumed>) = 3 [pid 6973] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6970] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6974] write(3, "1000", 4 [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6970] <... futex resumed>) = 0 [pid 6967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6974] <... write resumed>) = 4 [pid 6973] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6970] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6975 attached [pid 6972] <... mmap resumed>) = 0x7f2f310d3000 [pid 6967] <... clone3 resumed> => {parent_tid=[6975]}, 88) = 6975 [pid 6975] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6974] close(3 [pid 6972] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6967] rt_sigprocmask(SIG_SETMASK, [], [pid 6975] <... rseq resumed>) = 0 [pid 6974] <... close resumed>) = 0 [pid 6972] <... mprotect resumed>) = 0 [pid 6967] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6975] set_robust_list(0x7f2f310d29a0, 24 [pid 6974] write(1, "executing program\n", 18 [pid 6972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6967] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... set_robust_list resumed>) = 0 [pid 6974] <... write resumed>) = 18 [pid 6967] <... futex resumed>) = 0 [pid 6975] rt_sigprocmask(SIG_SETMASK, [], [pid 6972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6967] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6974] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6976 attached [pid 6975] ioctl(3, UFFDIO_REGISTER, NULL [pid 6974] <... futex resumed>) = 0 [pid 6976] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6975] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6974] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6972] <... clone3 resumed> => {parent_tid=[6976]}, 88) = 6976 [pid 6976] <... rseq resumed>) = 0 [pid 6975] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6972] rt_sigprocmask(SIG_SETMASK, [], [pid 6976] set_robust_list(0x7f2f310f39a0, 24 [pid 6975] <... futex resumed>) = 1 [pid 6972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6967] <... futex resumed>) = 0 [pid 6976] <... set_robust_list resumed>) = 0 [pid 6975] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] rt_sigprocmask(SIG_SETMASK, [], [pid 6972] <... futex resumed>) = 0 [pid 6976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6968] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = 1 [pid 6972] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] userfaultfd(UFFD_USER_MODE_ONLY [pid 6968] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6967] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] <... userfaultfd resumed>) = 3 [pid 6974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6971] <... io_uring_register resumed>) = 0 [pid 6968] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6969] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6976] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6971] <... futex resumed>) = 0 [pid 6969] <... futex resumed>) = 0 [pid 6968] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6976] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] ioctl(3, UFFDIO_REGISTER, NULL [pid 6969] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6968] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... futex resumed>) = 0 [pid 6971] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] <... futex resumed>) = 0 [pid 6976] ioctl(3, UFFDIO_API, NULL [pid 6972] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6968] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6967] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6974] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6977 attached => {parent_tid=[6977]}, 88) = 6977 [pid 6977] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6974] rt_sigprocmask(SIG_SETMASK, [], [pid 6977] <... rseq resumed>) = 0 [pid 6974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6977] set_robust_list(0x7f2f310f39a0, 24 [pid 6974] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] <... set_robust_list resumed>) = 0 [pid 6974] <... futex resumed>) = 0 [pid 6977] rt_sigprocmask(SIG_SETMASK, [], [pid 6974] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6977] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6977] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6974] <... futex resumed>) = 0 [pid 6974] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6977] ioctl(3, UFFDIO_API, NULL [pid 6974] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6976] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6971] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6977] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] <... futex resumed>) = 1 [pid 6970] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 1 [pid 6970] <... futex resumed>) = 0 [pid 6969] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6971] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6969] <... futex resumed>) = 0 [pid 6970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6972] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... futex resumed>) = 0 [pid 6971] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6972] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6971] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] <... futex resumed>) = 1 [pid 6974] <... futex resumed>) = 0 [pid 6971] <... futex resumed>) = 1 [pid 6969] <... futex resumed>) = 0 [pid 6977] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6976] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6974] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6969] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... madvise resumed>) = 0 [pid 6977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6976] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6974] <... futex resumed>) = 0 [pid 6971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6969] <... futex resumed>) = 0 [pid 6968] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6976] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6971] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6969] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6968] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6977] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6976] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6968] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] exit_group(0 [pid 6977] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] <... futex resumed>) = 1 [pid 6974] <... futex resumed>) = 0 [pid 6975] <... futex resumed>) = ? [pid 6972] <... futex resumed>) = 0 [pid 6968] <... futex resumed>) = ? [pid 6976] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6967] <... exit_group resumed>) = ? [pid 6977] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6974] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6974] <... futex resumed>) = 0 [pid 6968] +++ exited with 0 +++ [pid 6977] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6974] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] +++ exited with 0 +++ [pid 6967] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6967, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6971] <... madvise resumed>) = 0 [pid 6970] <... mmap resumed>) = 0x7f2f310b2000 [pid 6973] <... io_uring_register resumed>) = 0 [pid 6970] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6970] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6978 attached [pid 6973] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6973] <... futex resumed>) = 0 [pid 6971] <... futex resumed>) = 1 [pid 6970] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6969] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6978 [pid 6978] set_robust_list(0x555592b0f6a0, 24 [pid 6973] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6969] exit_group(0./strace-static-x86_64: Process 6979 attached [pid 6978] <... set_robust_list resumed>) = 0 [pid 6971] <... futex resumed>) = ? [pid 6969] <... exit_group resumed>) = ? [pid 6979] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 6978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6971] +++ exited with 0 +++ [pid 6970] <... clone3 resumed> => {parent_tid=[6979]}, 88) = 6979 [pid 6969] +++ exited with 0 +++ [pid 6979] set_robust_list(0x7f2f310d29a0, 24 [pid 6978] <... prctl resumed>) = 0 [pid 6970] rt_sigprocmask(SIG_SETMASK, [], [pid 6979] <... set_robust_list resumed>) = 0 [pid 6978] setpgid(0, 0 [pid 6970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6979] rt_sigprocmask(SIG_SETMASK, [], [pid 6978] <... setpgid resumed>) = 0 [pid 6970] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6970] <... futex resumed>) = 0 [pid 6979] ioctl(3, UFFDIO_REGISTER, NULL [pid 6970] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6979] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6970] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6969, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6979] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6970] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6973] <... futex resumed>) = 0 [pid 6970] <... futex resumed>) = 1 [pid 6973] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6970] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] <... openat resumed>) = 3 [pid 6973] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 6978] write(3, "1000", 4 [pid 6973] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... write resumed>) = 4 [pid 6973] <... futex resumed>) = 1 [pid 6970] <... futex resumed>) = 0 [pid 6978] close(3 [pid 6970] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6980 attached [pid 6978] <... close resumed>) = 0 [pid 6970] <... futex resumed>) = 0 [pid 6980] set_robust_list(0x555592b0f6a0, 24 [pid 6970] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6980 [pid 6980] <... set_robust_list resumed>) = 0 [pid 6980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6980] setpgid(0, 0) = 0 [pid 6980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6980] write(3, "1000", 4 [pid 6978] write(1, "executing program\n", 18 [pid 6980] <... write resumed>) = 4 [pid 6980] close(3executing program executing program ) = 0 [pid 6980] write(1, "executing program\n", 18) = 18 [pid 6978] <... write resumed>) = 18 [pid 6973] <... madvise resumed>) = 0 [pid 6978] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6980] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6978] <... futex resumed>) = 0 [pid 6974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6980] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6974] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] <... mprotect resumed>) = 0 [pid 6974] <... futex resumed>) = 0 [pid 6980] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6980] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6981 attached => {parent_tid=[6981]}, 88) = 6981 [pid 6980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6980] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6980] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6978] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6973] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6981] <... rseq resumed>) = 0 [pid 6978] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6973] <... futex resumed>) = 1 [pid 6972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6970] <... futex resumed>) = 0 [pid 6978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6973] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] set_robust_list(0x7f2f310f39a0, 24 [pid 6978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6970] exit_group(0 [pid 6981] <... set_robust_list resumed>) = 0 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6981] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6981] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6981] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = 0 [pid 6981] ioctl(3, UFFDIO_API, NULL [pid 6980] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6981] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6978] <... mmap resumed>) = 0x7f2f310d3000 [pid 6973] <... futex resumed>) = ? [pid 6979] <... futex resumed>) = ? [pid 6970] <... exit_group resumed>) = ? [pid 6981] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6981] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6980] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6980] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6981] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6981] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] +++ exited with 0 +++ [pid 6978] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6977] <... io_uring_register resumed>) = 0 [pid 6974] <... mmap resumed>) = 0x7f2f310b2000 [pid 6973] +++ exited with 0 +++ [pid 6970] +++ exited with 0 +++ [pid 6981] <... futex resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6978] <... mprotect resumed>) = 0 [pid 6974] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6970, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6981] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6977] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... mprotect resumed>) = 0 [pid 6981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = 0 [pid 6978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6981] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6980] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6977] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6976] <... io_uring_register resumed>) = 0 [pid 6972] <... mmap resumed>) = 0x7f2f310b2000 [pid 6978] <... clone3 resumed> => {parent_tid=[6982]}, 88) = 6982 [pid 6976] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6983 attached ./strace-static-x86_64: Process 6982 attached [pid 6978] rt_sigprocmask(SIG_SETMASK, [], [pid 6976] <... futex resumed>) = 0 [pid 6974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 6984 attached [pid 6983] set_robust_list(0x555592b0f6a0, 24 [pid 6982] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6976] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] <... mprotect resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6983 [pid 6984] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6983] <... set_robust_list resumed>) = 0 [pid 6982] <... rseq resumed>) = 0 [pid 6978] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... clone3 resumed> => {parent_tid=[6984]}, 88) = 6984 [pid 6972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6984] <... rseq resumed>) = 0 [pid 6983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6982] set_robust_list(0x7f2f310f39a0, 24 [pid 6978] <... futex resumed>) = 0 [pid 6974] rt_sigprocmask(SIG_SETMASK, [], [pid 6972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6984] set_robust_list(0x7f2f310d29a0, 24 [pid 6983] <... prctl resumed>) = 0 [pid 6982] <... set_robust_list resumed>) = 0 [pid 6978] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6984] <... set_robust_list resumed>) = 0 [pid 6983] setpgid(0, 0 [pid 6982] rt_sigprocmask(SIG_SETMASK, [], [pid 6974] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6985 attached [pid 6984] rt_sigprocmask(SIG_SETMASK, [], [pid 6983] <... setpgid resumed>) = 0 [pid 6982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6974] <... futex resumed>) = 0 [pid 6985] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6982] userfaultfd(UFFD_USER_MODE_ONLY [pid 6974] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... clone3 resumed> => {parent_tid=[6985]}, 88) = 6985 [pid 6985] <... rseq resumed>) = 0 [pid 6984] ioctl(3, UFFDIO_REGISTER, NULL [pid 6983] <... openat resumed>) = 3 [pid 6982] <... userfaultfd resumed>) = 3 [pid 6972] rt_sigprocmask(SIG_SETMASK, [], [pid 6985] set_robust_list(0x7f2f310d29a0, 24 [pid 6984] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6983] write(3, "1000", 4 [pid 6985] <... set_robust_list resumed>) = 0 [pid 6984] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... write resumed>) = 4 [pid 6982] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6985] rt_sigprocmask(SIG_SETMASK, [], [pid 6984] <... futex resumed>) = 1 [pid 6983] close(3 [pid 6982] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6974] <... futex resumed>) = 0 [pid 6972] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6984] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6983] <... close resumed>) = 0 [pid 6982] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6985] ioctl(3, UFFDIO_REGISTER, NULL [pid 6983] write(1, "executing program\n", 18 [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6974] <... futex resumed>) = 1 [pid 6972] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6985] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6983] <... write resumed>) = 18 [pid 6982] ioctl(3, UFFDIO_API, NULL [pid 6978] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6974] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6985] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6977] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6985] <... futex resumed>) = 1 [pid 6983] <... futex resumed>) = 0 [pid 6982] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6985] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6983] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6982] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = 1 [pid 6974] <... futex resumed>) = 0 [pid 6972] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6982] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6976] <... futex resumed>) = 0 [pid 6974] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 1 [pid 6983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6976] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6974] <... futex resumed>) = 0 [pid 6972] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6982] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6978] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6976] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6974] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6982] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6977] <... madvise resumed>) = 0 [pid 6983] <... mmap resumed>) = 0x7f2f310d3000 [pid 6983] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6983] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 6986 attached [pid 6982] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] <... futex resumed>) = 1 [pid 6983] <... clone3 resumed> => {parent_tid=[6986]}, 88) = 6986 [pid 6982] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6983] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6983] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] <... futex resumed>) = 0 [pid 6977] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6981] <... io_uring_register resumed>) = 0 [pid 6978] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6986] <... rseq resumed>) = 0 [pid 6982] <... futex resumed>) = 0 [pid 6981] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6978] <... futex resumed>) = 1 [pid 6977] <... futex resumed>) = 1 [pid 6976] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6974] <... futex resumed>) = 0 [pid 6972] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] set_robust_list(0x7f2f310f39a0, 24 [pid 6982] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6981] <... futex resumed>) = 0 [pid 6980] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6974] exit_group(0 [pid 6972] <... futex resumed>) = 0 [pid 6986] <... set_robust_list resumed>) = 0 [pid 6984] <... futex resumed>) = ? [pid 6981] ioctl(3, UFFDIO_REGISTER, NULL [pid 6980] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = ? [pid 6976] <... madvise resumed>) = 0 [pid 6974] <... exit_group resumed>) = ? [pid 6972] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6986] rt_sigprocmask(SIG_SETMASK, [], [pid 6984] +++ exited with 0 +++ [pid 6977] +++ exited with 0 +++ [pid 6986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6986] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6986] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6986] <... futex resumed>) = 1 [pid 6983] <... futex resumed>) = 0 [pid 6981] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6986] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6983] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... futex resumed>) = 0 [pid 6980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6974] +++ exited with 0 +++ [pid 6986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6983] <... futex resumed>) = 0 [pid 6981] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] ioctl(3, UFFDIO_API, NULL [pid 6983] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = 0 [pid 6976] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6974, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6986] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6981] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6980] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6986] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6976] <... futex resumed>) = 1 [pid 6972] <... futex resumed>) = 0 [pid 6986] <... futex resumed>) = 1 [pid 6983] <... futex resumed>) = 0 [pid 6981] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] exit_group(0 [pid 6986] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6985] <... futex resumed>) = ? [pid 6983] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... exit_group resumed>) = ? [pid 6986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6985] +++ exited with 0 +++ [pid 6983] <... futex resumed>) = 0 [pid 6981] <... futex resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = ? [pid 6986] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6983] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6981] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = 0 [pid 6976] +++ exited with 0 +++ [pid 6972] +++ exited with 0 +++ [pid 5835] <... restart_syscall resumed>) = 0 [pid 6986] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6980] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6972, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6986] <... futex resumed>) = 1 [pid 6983] <... futex resumed>) = 0 [pid 6983] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6983] <... futex resumed>) = 0 [pid 6982] <... io_uring_register resumed>) = 0 [pid 6981] <... madvise resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6978] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 6978] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6983] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] <... mprotect resumed>) = 0 [pid 6981] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6981] <... futex resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6981] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6980] exit_group(0./strace-static-x86_64: Process 6987 attached [pid 6981] <... futex resumed>) = ? [pid 6980] <... exit_group resumed>) = ? [pid 6987] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6978] <... clone3 resumed> => {parent_tid=[6987]}, 88) = 6987 [pid 6987] <... rseq resumed>) = 0 [pid 6987] set_robust_list(0x7f2f310d29a0, 24 [pid 6978] rt_sigprocmask(SIG_SETMASK, [], [pid 6987] <... set_robust_list resumed>) = 0 [pid 6978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6987] rt_sigprocmask(SIG_SETMASK, [], [pid 6982] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6978] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6988 attached [pid 6987] ioctl(3, UFFDIO_REGISTER, NULL [pid 6982] <... futex resumed>) = 0 [pid 6978] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6987] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6987] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 6988 [pid 6987] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6989 attached [pid 6988] set_robust_list(0x555592b0f6a0, 24 [pid 6987] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 6989 [pid 6988] <... set_robust_list resumed>) = 0 [pid 6982] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6978] <... futex resumed>) = 0 [pid 6978] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6982] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6988] <... prctl resumed>) = 0 [pid 6982] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] setpgid(0, 0 [pid 6982] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6988] <... setpgid resumed>) = 0 [pid 6982] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6978] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6978] <... futex resumed>) = 0 [pid 6978] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6988] write(3, "1000", 4) = 4 [pid 6989] set_robust_list(0x555592b0f6a0, 24 [pid 6988] close(3 [pid 6981] +++ exited with 0 +++ [pid 6980] +++ exited with 0 +++ [pid 6989] <... set_robust_list resumed>) = 0 [pid 6989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6980, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- executing program [pid 6988] <... close resumed>) = 0 [pid 6989] <... prctl resumed>) = 0 [pid 6988] write(1, "executing program\n", 18) = 18 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6990 attached [pid 6988] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] <... madvise resumed>) = 0 [pid 6988] <... futex resumed>) = 0 [pid 6982] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 6990 [pid 6988] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6982] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6978] exit_group(0) = ? [pid 6989] setpgid(0, 0 [pid 6987] <... futex resumed>) = ? [pid 6990] set_robust_list(0x555592b0f6a0, 24 [pid 6988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6990] <... set_robust_list resumed>) = 0 [pid 6988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6982] +++ exited with 0 +++ [pid 6990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6988] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6990] <... prctl resumed>) = 0 [pid 6988] <... mprotect resumed>) = 0 [pid 6990] setpgid(0, 0 [pid 6988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6990] <... setpgid resumed>) = 0 [pid 6989] <... setpgid resumed>) = 0 [pid 6987] +++ exited with 0 +++ [pid 6978] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6978, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 6989] <... openat resumed>) = 3 [pid 5836] <... restart_syscall resumed>) = 0 [pid 6989] write(3, "1000", 4 [pid 6988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6992 attached ./strace-static-x86_64: Process 6993 attached [pid 6990] <... openat resumed>) = 3 [pid 6989] <... write resumed>) = 4 [pid 6988] <... clone3 resumed> => {parent_tid=[6992]}, 88) = 6992 [pid 6990] write(3, "1000", 4 [pid 6989] close(3 [pid 6988] rt_sigprocmask(SIG_SETMASK, [], [pid 6993] set_robust_list(0x555592b0f6a0, 24 [pid 6990] <... write resumed>) = 4 [pid 6989] <... close resumed>) = 0 [pid 6988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] close(3 [pid 6988] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 6993 [pid 6992] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6990] <... close resumed>) = 0 [pid 6989] write(1, "executing program\n", 18executing program [pid 6988] <... futex resumed>) = 0 [pid 6993] <... set_robust_list resumed>) = 0 [pid 6992] <... rseq resumed>) = 0 [pid 6990] write(1, "executing program\n", 18executing program [pid 6989] <... write resumed>) = 18 [pid 6988] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6990] <... write resumed>) = 18 [pid 6989] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = 0 [pid 6990] <... futex resumed>) = 0 [pid 6989] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6990] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6983] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6990] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6989] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6983] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6992] set_robust_list(0x7f2f310f39a0, 24 [pid 6990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6983] <... futex resumed>) = 0 [pid 6993] <... prctl resumed>) = 0 [pid 6992] <... set_robust_list resumed>) = 0 [pid 6990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6993] setpgid(0, 0 [pid 6992] rt_sigprocmask(SIG_SETMASK, [], [pid 6990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6993] <... setpgid resumed>) = 0 [pid 6992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] <... mmap resumed>) = 0x7f2f310d3000 [pid 6989] <... mmap resumed>) = 0x7f2f310d3000 [pid 6992] userfaultfd(UFFD_USER_MODE_ONLY [pid 6989] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6992] <... userfaultfd resumed>) = 3 [pid 6992] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6989] <... mprotect resumed>) = 0 [pid 6983] <... mmap resumed>) = 0x7f2f310b2000 [pid 6992] <... futex resumed>) = 1 [pid 6990] <... mprotect resumed>) = 0 [pid 6988] <... futex resumed>) = 0 [pid 6983] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6992] ioctl(3, UFFDIO_API, NULL [pid 6990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6988] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6992] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6988] <... futex resumed>) = 0 [pid 6983] <... mprotect resumed>) = 0 [pid 6992] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6988] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6994 attached [pid 6992] <... futex resumed>) = 0 [pid 6988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6983] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6994] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6993] <... openat resumed>) = 3 [pid 6992] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6990] <... clone3 resumed> => {parent_tid=[6994]}, 88) = 6994 [pid 6989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6988] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6995 attached [pid 6994] <... rseq resumed>) = 0 [pid 6993] write(3, "1000", 4 [pid 6992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6990] rt_sigprocmask(SIG_SETMASK, [], [pid 6988] <... futex resumed>) = 0 [pid 6986] <... io_uring_register resumed>) = 0 [pid 6995] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6994] set_robust_list(0x7f2f310f39a0, 24 [pid 6993] <... write resumed>) = 4 [pid 6992] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6989] <... clone3 resumed> => {parent_tid=[6995]}, 88) = 6995 [pid 6988] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6995] <... rseq resumed>) = 0 [pid 6994] <... set_robust_list resumed>) = 0 [pid 6993] close(3 [pid 6992] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6990] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] rt_sigprocmask(SIG_SETMASK, [], [pid 6986] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6996 attached [pid 6995] set_robust_list(0x7f2f310f39a0, 24 [pid 6994] rt_sigprocmask(SIG_SETMASK, [], [pid 6993] <... close resumed>) = 0 [pid 6992] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] <... futex resumed>) = 0 [pid 6989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6986] <... futex resumed>) = 0 [pid 6996] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6995] <... set_robust_list resumed>) = 0 executing program [pid 6994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6993] write(1, "executing program\n", 18 [pid 6992] <... futex resumed>) = 1 [pid 6990] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... futex resumed>) = 0 [pid 6986] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6983] <... clone3 resumed> => {parent_tid=[6996]}, 88) = 6996 [pid 6996] <... rseq resumed>) = 0 [ 81.819516][ T8] cfg80211: failed to load regulatory.db [pid 6995] rt_sigprocmask(SIG_SETMASK, [], [pid 6994] userfaultfd(UFFD_USER_MODE_ONLY [pid 6993] <... write resumed>) = 18 [pid 6992] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6989] <... futex resumed>) = 0 [pid 6988] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] set_robust_list(0x7f2f310d29a0, 24 [pid 6995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6994] <... userfaultfd resumed>) = 3 [pid 6993] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6989] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6988] <... futex resumed>) = 0 [pid 6983] rt_sigprocmask(SIG_SETMASK, [], [pid 6996] <... set_robust_list resumed>) = 0 [pid 6995] userfaultfd(UFFD_USER_MODE_ONLY [pid 6994] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... futex resumed>) = 0 [pid 6992] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6988] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6996] rt_sigprocmask(SIG_SETMASK, [], [pid 6995] <... userfaultfd resumed>) = 3 [pid 6994] <... futex resumed>) = 1 [pid 6993] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 6990] <... futex resumed>) = 0 [pid 6983] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6995] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6993] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6990] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... futex resumed>) = 0 [pid 6996] ioctl(3, UFFDIO_REGISTER, NULL [pid 6995] <... futex resumed>) = 1 [pid 6994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6990] <... futex resumed>) = 0 [pid 6989] <... futex resumed>) = 0 [pid 6996] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6995] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] ioctl(3, UFFDIO_API, NULL [pid 6993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6996] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6994] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6989] <... futex resumed>) = 0 [pid 6996] <... futex resumed>) = 0 [pid 6995] ioctl(3, UFFDIO_API, NULL [pid 6994] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... mmap resumed>) = 0x7f2f310d3000 [pid 6989] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6996] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6995] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 6995] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6995] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6989] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = 0 [pid 6989] <... futex resumed>) = 1 [pid 6995] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6989] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6995] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6995] <... futex resumed>) = 1 [pid 6993] <... mprotect resumed>) = 0 [pid 6989] <... futex resumed>) = 0 [pid 6993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6989] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6989] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[6997]}, 88) = 6997 [pid 6994] <... futex resumed>) = 1 [pid 6990] <... futex resumed>) = 0 [pid 6994] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6983] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6990] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6994] <... futex resumed>) = 0 [pid 6990] <... futex resumed>) = 1 [pid 6993] rt_sigprocmask(SIG_SETMASK, [], [pid 6994] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 6990] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6997 attached [pid 6993] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6993] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6986] <... futex resumed>) = 0 [pid 6994] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6986] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 6986] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 6994] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] <... futex resumed>) = 1 [pid 6983] <... futex resumed>) = 0 [pid 6997] <... rseq resumed>) = 0 [pid 6994] <... futex resumed>) = 1 [pid 6990] <... futex resumed>) = 0 [pid 6986] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6983] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6990] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... futex resumed>) = 0 [pid 6990] <... futex resumed>) = 0 [pid 6983] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6990] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6986] <... madvise resumed>) = 0 [pid 6997] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 6997] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6997] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6997] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6997] <... futex resumed>) = 1 [pid 6988] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] <... futex resumed>) = 0 [pid 6993] <... futex resumed>) = 0 [pid 6988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6993] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... futex resumed>) = 0 [pid 6993] <... futex resumed>) = 1 [pid 6997] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 6997] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6997] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6993] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6993] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... futex resumed>) = 0 [pid 6993] <... futex resumed>) = 1 [pid 6997] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6997] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6997] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6993] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6986] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] <... futex resumed>) = 1 [pid 6983] <... futex resumed>) = 0 [pid 6997] <... futex resumed>) = 0 [pid 6993] <... futex resumed>) = 1 [pid 6986] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6983] exit_group(0 [pid 6997] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 6993] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6996] <... futex resumed>) = ? [pid 6986] <... futex resumed>) = ? [pid 6983] <... exit_group resumed>) = ? [pid 6996] +++ exited with 0 +++ [pid 6986] +++ exited with 0 +++ [pid 6983] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6983, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6989] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6989] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6998 attached [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 6998 [pid 6998] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 6998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6998] setpgid(0, 0) = 0 [pid 6998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6998] write(3, "1000", 4) = 4 [pid 6998] close(3) = 0 executing program [pid 6998] write(1, "executing program\n", 18) = 18 [pid 6998] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6998] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 6998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 6998] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6998] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[6999]}, 88) = 6999 [pid 6998] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6998] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6998] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6999 attached [pid 6992] <... io_uring_register resumed>) = 0 [pid 6990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6988] <... mmap resumed>) = 0x7f2f310b2000 [pid 6990] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6990] <... futex resumed>) = 0 [pid 6990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6993] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6993] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... mprotect resumed>) = 0 [pid 6993] <... futex resumed>) = 0 [pid 6993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6999] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 6999] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 6999] rt_sigprocmask(SIG_SETMASK, [], [pid 6988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6999] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 6999] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6999] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6998] <... futex resumed>) = 0 [pid 6998] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6999] <... futex resumed>) = 0 [pid 6999] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 6999] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6999] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6998] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6998] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6998] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6999] <... futex resumed>) = 0 [pid 6999] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1./strace-static-x86_64: Process 7000 attached , sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 6992] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7000] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6992] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] <... rseq resumed>) = 0 [pid 6988] <... clone3 resumed> => {parent_tid=[7000]}, 88) = 7000 [pid 6988] rt_sigprocmask(SIG_SETMASK, [], [pid 7000] set_robust_list(0x7f2f310d29a0, 24 [pid 6999] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] <... set_robust_list resumed>) = 0 [pid 6999] <... futex resumed>) = 1 [pid 6999] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6998] <... futex resumed>) = 0 [pid 6998] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 1 [pid 6999] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7000] rt_sigprocmask(SIG_SETMASK, [], [pid 6998] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] <... mmap resumed>) = 0x7f2f310b2000 [pid 6988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] <... mmap resumed>) = 0x7f2f310b2000 [pid 6989] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6989] <... mprotect resumed>) = 0 [pid 6988] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] ioctl(3, UFFDIO_REGISTER, NULL [pid 6994] <... io_uring_register resumed>) = 0 [pid 6990] <... mprotect resumed>) = 0 [pid 7000] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6995] <... io_uring_register resumed>) = 0 [pid 6993] <... mmap resumed>) = 0x7f2f310b2000 [pid 6989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6988] <... futex resumed>) = 0 [pid 6990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6994] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6994] <... futex resumed>) = 0 [pid 6989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6988] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7000] <... futex resumed>) = 0 [pid 6995] <... futex resumed>) = 0 [pid 6993] <... mprotect resumed>) = 0 [pid 6989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7001 attached [pid 7000] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] <... io_uring_register resumed>) = 0 [pid 6995] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6988] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 6997] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6992] <... futex resumed>) = 0 [pid 6990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6989] <... clone3 resumed> => {parent_tid=[7001]}, 88) = 7001 [pid 6988] <... futex resumed>) = 1 [pid 7001] <... rseq resumed>) = 0 [pid 6997] <... futex resumed>) = 0 [pid 6993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 6992] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6989] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7002 attached [pid 7001] set_robust_list(0x7f2f310d29a0, 24 [pid 6997] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6992] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6988] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7003 attached [pid 7002] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7001] <... set_robust_list resumed>) = 0 [pid 6993] <... clone3 resumed> => {parent_tid=[7002]}, 88) = 7002 [pid 6992] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7003] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7002] <... rseq resumed>) = 0 [pid 7001] rt_sigprocmask(SIG_SETMASK, [], [pid 6993] rt_sigprocmask(SIG_SETMASK, [], [pid 6992] <... futex resumed>) = 0 [pid 6989] <... futex resumed>) = 0 [pid 6988] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... rseq resumed>) = 0 [pid 7002] set_robust_list(0x7f2f310d29a0, 24 [pid 7001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6992] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6990] <... clone3 resumed> => {parent_tid=[7003]}, 88) = 7003 [pid 6989] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6988] <... futex resumed>) = 0 [pid 7003] set_robust_list(0x7f2f310d29a0, 24 [pid 7002] <... set_robust_list resumed>) = 0 [pid 7001] ioctl(3, UFFDIO_REGISTER, NULL [pid 6993] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... set_robust_list resumed>) = 0 [pid 7002] rt_sigprocmask(SIG_SETMASK, [], [pid 7001] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6993] <... futex resumed>) = 0 [pid 7003] rt_sigprocmask(SIG_SETMASK, [], [pid 7002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7001] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7002] ioctl(3, UFFDIO_REGISTER, NULL [pid 7001] <... futex resumed>) = 1 [pid 6989] <... futex resumed>) = 0 [pid 7003] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7001] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6989] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = 0 [pid 6989] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 1 [pid 6995] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6993] <... futex resumed>) = 0 [pid 6989] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7002] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6995] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6993] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... futex resumed>) = 0 [pid 6995] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... futex resumed>) = 1 [pid 6997] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6995] <... futex resumed>) = 1 [pid 6993] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6990] rt_sigprocmask(SIG_SETMASK, [], [pid 6989] <... futex resumed>) = 0 [pid 6988] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6995] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6989] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6989] <... futex resumed>) = 0 [pid 6997] <... futex resumed>) = 1 [pid 6995] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6993] <... futex resumed>) = 0 [pid 6989] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6995] <... madvise resumed>) = 0 [pid 6993] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6990] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6997] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6993] <... futex resumed>) = 0 [pid 6990] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6992] <... madvise resumed>) = 0 [pid 6993] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6992] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = 0 [pid 6992] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 6992] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] exit_group(0 [pid 7003] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7000] <... futex resumed>) = ? [pid 6992] <... futex resumed>) = ? [pid 6988] <... exit_group resumed>) = ? [pid 7003] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7000] +++ exited with 0 +++ [pid 7003] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] <... madvise resumed>) = 0 [pid 6992] +++ exited with 0 +++ [pid 6990] <... futex resumed>) = 0 [pid 6988] +++ exited with 0 +++ [pid 6990] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6988, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6994] <... futex resumed>) = 0 [pid 6994] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6990] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6995] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 6995] <... futex resumed>) = 1 [pid 6989] <... futex resumed>) = 0 [pid 6994] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6989] exit_group(0 [pid 6994] <... futex resumed>) = 1 [pid 7001] <... futex resumed>) = ? [pid 6997] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = ? [pid 6994] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6990] <... futex resumed>) = 0 [pid 6989] <... exit_group resumed>) = ? [pid 7001] +++ exited with 0 +++ [pid 6997] <... futex resumed>) = 1 [pid 6995] +++ exited with 0 +++ [pid 6993] <... futex resumed>) = 0 [pid 6990] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] +++ exited with 0 +++ [pid 5835] <... restart_syscall resumed>) = 0 [pid 6997] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] <... futex resumed>) = 0 [pid 6993] exit_group(0 [pid 6990] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6989, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7002] <... futex resumed>) = ? [pid 6997] <... futex resumed>) = ? [pid 6994] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 6993] <... exit_group resumed>) = ? [pid 6990] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7002] +++ exited with 0 +++ [pid 6997] +++ exited with 0 +++ [pid 6993] +++ exited with 0 +++ [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7004 attached [pid 6998] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6993, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6998] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7004 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6998] <... futex resumed>) = 0 [pid 6998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7005 ./strace-static-x86_64: Process 7005 attached [pid 7004] set_robust_list(0x555592b0f6a0, 24 [pid 6999] <... io_uring_register resumed>) = 0 [pid 6998] <... mmap resumed>) = 0x7f2f310b2000 [pid 6994] <... madvise resumed>) = 0 [pid 7005] set_robust_list(0x555592b0f6a0, 24 [pid 7004] <... set_robust_list resumed>) = 0 [pid 6999] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6999] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6998] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 6994] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6990] <... futex resumed>) = 0 [pid 7005] <... set_robust_list resumed>) = 0 [pid 7004] <... prctl resumed>) = 0 [pid 6998] <... mprotect resumed>) = 0 [pid 6994] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6990] exit_group(0 [pid 7005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7004] setpgid(0, 0 [pid 7003] <... futex resumed>) = ? [pid 6994] <... futex resumed>) = ? [pid 6990] <... exit_group resumed>) = ? [pid 6998] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7005] <... prctl resumed>) = 0 [pid 7004] <... setpgid resumed>) = 0 [pid 7003] +++ exited with 0 +++ [pid 6994] +++ exited with 0 +++ [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7006 attached [pid 7005] setpgid(0, 0 [pid 7004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7006] set_robust_list(0x555592b0f6a0, 24 [pid 7005] <... setpgid resumed>) = 0 [pid 7004] <... openat resumed>) = 3 [pid 6998] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6990] +++ exited with 0 +++ [pid 7006] <... set_robust_list resumed>) = 0 [pid 7006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7006 [pid 7006] <... prctl resumed>) = 0 [pid 7006] setpgid(0, 0) = 0 [pid 7006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7006] write(3, "1000", 4executing program executing program [pid 7005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7004] write(3, "1000", 4 [pid 6998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6990, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7006] <... write resumed>) = 4 [pid 7006] close(3) = 0 [pid 7006] write(1, "executing program\n", 18) = 18 [pid 7006] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... write resumed>) = 4 ./strace-static-x86_64: Process 7007 attached [pid 7006] <... futex resumed>) = 0 [pid 7004] close(3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6998] <... clone3 resumed> => {parent_tid=[7007]}, 88) = 7007 [pid 7004] <... close resumed>) = 0 [pid 7006] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7007] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7006] <... mmap resumed>) = 0x7f2f310d3000 [pid 7007] <... rseq resumed>) = 0 [pid 7006] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7008 attached [pid 7007] set_robust_list(0x7f2f310d29a0, 24 [pid 7006] <... mprotect resumed>) = 0 [pid 7005] <... openat resumed>) = 3 [pid 7004] write(1, "executing program\n", 18 [pid 6998] rt_sigprocmask(SIG_SETMASK, [], [pid 7005] write(3, "1000", 4 [pid 6998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7008 [pid 7004] <... write resumed>) = 18 [pid 6998] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] set_robust_list(0x555592b0f6a0, 24 [pid 7007] <... set_robust_list resumed>) = 0 [pid 7006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7005] <... write resumed>) = 4 [pid 7004] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] <... futex resumed>) = 0 [pid 7008] <... set_robust_list resumed>) = 0 executing program [pid 7007] rt_sigprocmask(SIG_SETMASK, [], [pid 7006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7005] close(3 [pid 7004] <... futex resumed>) = 0 [pid 6998] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7005] <... close resumed>) = 0 ./strace-static-x86_64: Process 7009 attached [pid 7008] <... prctl resumed>) = 0 [pid 7007] ioctl(3, UFFDIO_REGISTER, NULL [pid 7005] write(1, "executing program\n", 18 [pid 7004] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7009] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7008] setpgid(0, 0 [pid 7007] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7005] <... write resumed>) = 18 [pid 7009] <... rseq resumed>) = 0 [pid 7008] <... setpgid resumed>) = 0 [pid 7007] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... clone3 resumed> => {parent_tid=[7009]}, 88) = 7009 [pid 7009] set_robust_list(0x7f2f310f39a0, 24 [pid 7008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7007] <... futex resumed>) = 1 [pid 7006] rt_sigprocmask(SIG_SETMASK, [], [pid 7005] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7009] <... set_robust_list resumed>) = 0 [pid 7005] <... futex resumed>) = 0 [pid 7004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6998] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] rt_sigprocmask(SIG_SETMASK, [], [pid 7008] <... openat resumed>) = 3 [pid 7007] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7005] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 1 [pid 7009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7008] write(3, "1000", 4 [pid 7006] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6999] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 6998] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] userfaultfd(UFFD_USER_MODE_ONLY [pid 7008] <... write resumed>) = 4 [pid 7006] <... futex resumed>) = 0 [pid 7005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7004] <... mmap resumed>) = 0x7f2f310d3000 [pid 6999] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7009] <... userfaultfd resumed>) = 3 [pid 7008] close(3 [pid 7006] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7004] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6999] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... close resumed>) = 0 [pid 7006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6999] <... futex resumed>) = 1 executing program [pid 7009] <... futex resumed>) = 0 [pid 7008] write(1, "executing program\n", 18 [pid 7006] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... mmap resumed>) = 0x7f2f310d3000 [pid 7004] <... mprotect resumed>) = 0 [pid 6999] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6998] <... futex resumed>) = 0 [pid 7009] ioctl(3, UFFDIO_API, NULL [pid 7008] <... write resumed>) = 18 [pid 7006] <... futex resumed>) = 0 [pid 7005] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 6998] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7008] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6998] <... futex resumed>) = 1 [pid 7009] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = 0 [pid 7005] <... mprotect resumed>) = 0 [pid 6999] <... futex resumed>) = 0 [pid 6998] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] <... futex resumed>) = 1 [pid 7008] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7006] <... futex resumed>) = 0 [pid 6999] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7009] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7006] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7006] <... futex resumed>) = 0 [pid 7009] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7006] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7008] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7009] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6999] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 7010 attached [pid 7009] <... futex resumed>) = 1 [pid 7008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7006] <... futex resumed>) = 0 [pid 7005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 6999] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7011 attached [pid 7010] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7009] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7006] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... clone3 resumed> => {parent_tid=[7010]}, 88) = 7010 ./strace-static-x86_64: Process 7012 attached [pid 7011] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7010] <... rseq resumed>) = 0 [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7006] <... futex resumed>) = 0 [pid 7004] rt_sigprocmask(SIG_SETMASK, [], [pid 6999] <... futex resumed>) = 1 [pid 6998] <... futex resumed>) = 0 [pid 7008] <... clone3 resumed> => {parent_tid=[7011]}, 88) = 7011 [pid 7012] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7011] <... rseq resumed>) = 0 [pid 7010] set_robust_list(0x7f2f310f39a0, 24 [pid 7009] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7006] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] <... clone3 resumed> => {parent_tid=[7012]}, 88) = 7012 [pid 7004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6999] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6998] exit_group(0 [pid 7012] <... rseq resumed>) = 0 [pid 7010] <... set_robust_list resumed>) = 0 [pid 7004] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] set_robust_list(0x7f2f310f39a0, 24 [pid 7004] <... futex resumed>) = 0 [pid 7012] <... set_robust_list resumed>) = 0 [pid 7004] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] set_robust_list(0x7f2f310f39a0, 24 [pid 7008] rt_sigprocmask(SIG_SETMASK, [], [pid 7011] <... set_robust_list resumed>) = 0 [pid 6998] <... exit_group resumed>) = ? [pid 7011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7011] userfaultfd(UFFD_USER_MODE_ONLY [pid 7008] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7007] <... futex resumed>) = ? [pid 7008] <... futex resumed>) = 0 [pid 7010] rt_sigprocmask(SIG_SETMASK, [], [pid 7005] rt_sigprocmask(SIG_SETMASK, [], [pid 6999] <... futex resumed>) = ? [pid 7011] <... userfaultfd resumed>) = 3 [pid 7010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7008] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7011] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] userfaultfd(UFFD_USER_MODE_ONLY [pid 7005] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] +++ exited with 0 +++ [pid 7012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7012] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7012] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7012] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] <... futex resumed>) = 1 [pid 7010] <... userfaultfd resumed>) = 3 [pid 7008] <... futex resumed>) = 0 [pid 7005] <... futex resumed>) = 1 [pid 7011] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7010] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] <... futex resumed>) = 0 [pid 7007] +++ exited with 0 +++ [pid 7008] <... futex resumed>) = 0 [pid 7005] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] +++ exited with 0 +++ [pid 7011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7010] <... futex resumed>) = 1 [pid 7012] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7008] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7004] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6998, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7010] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7005] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7012] <... futex resumed>) = 0 [pid 7010] ioctl(3, UFFDIO_API, NULL [pid 7005] <... futex resumed>) = 1 [pid 7004] <... futex resumed>) = 0 [pid 7012] ioctl(3, UFFDIO_API, NULL [pid 7010] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7005] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7011] ioctl(3, UFFDIO_API, NULL [pid 7010] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] <... restart_syscall resumed>) = 0 [pid 7012] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7010] <... futex resumed>) = 0 [pid 7011] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] <... futex resumed>) = 1 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7011] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7008] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 1 [pid 7012] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7004] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7004] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] <... futex resumed>) = 0 [pid 7011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7010] <... futex resumed>) = 0 [pid 7008] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7013 ./strace-static-x86_64: Process 7013 attached [pid 7010] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7013] set_robust_list(0x555592b0f6a0, 24 [pid 7012] <... futex resumed>) = 0 [pid 7011] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7008] <... futex resumed>) = 0 [pid 7005] <... futex resumed>) = 1 [pid 7013] <... set_robust_list resumed>) = 0 [pid 7012] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7010] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7009] <... io_uring_register resumed>) = 0 [pid 7008] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7012] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7011] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7009] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... prctl resumed>) = 0 [pid 7012] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... futex resumed>) = 1 [pid 7006] <... futex resumed>) = 0 [pid 7011] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] setpgid(0, 0 [pid 7012] <... futex resumed>) = 1 [pid 7010] <... futex resumed>) = 1 [pid 7009] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7006] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... futex resumed>) = 0 [pid 7008] <... futex resumed>) = 0 [pid 7004] <... futex resumed>) = 0 [pid 7011] <... futex resumed>) = 1 [pid 7013] <... setpgid resumed>) = 0 [pid 7012] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7010] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7008] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7006] <... futex resumed>) = 0 [pid 7005] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7009] ioctl(3, UFFDIO_REGISTER, NULL [pid 7008] <... futex resumed>) = 0 [pid 7006] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] <... futex resumed>) = 0 [pid 7004] <... futex resumed>) = 0 [pid 7012] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7010] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7008] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] <... openat resumed>) = 3 [pid 7009] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7013] write(3, "1000", 4 [pid 7009] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... write resumed>) = 4 [pid 7009] <... futex resumed>) = 1 [pid 7006] <... futex resumed>) = 0 [pid 7009] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7006] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7006] <... futex resumed>) = 0 [pid 7009] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7009] <... futex resumed>) = 0 [pid 7006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7013] close(3 [pid 7009] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] <... close resumed>) = 0 [pid 7006] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] write(1, "executing program\n", 18 [pid 7009] <... futex resumed>) = 0 [pid 7006] <... futex resumed>) = 1 [pid 7009] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7006] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] <... write resumed>) = 18 [pid 7013] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... madvise resumed>) = 0 [pid 7013] <... futex resumed>) = 0 [pid 7013] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7013] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[7014]}, 88) = 7014 [pid 7013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7013] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7013] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7014 attached [pid 7009] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7006] <... futex resumed>) = 0 [pid 7006] exit_group(0) = ? [pid 7014] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7014] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7014] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7014] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7013] <... futex resumed>) = 0 [pid 7014] ioctl(3, UFFDIO_API, NULL [pid 7013] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7013] <... futex resumed>) = 0 [pid 7014] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7014] <... futex resumed>) = 0 [pid 7013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7013] <... futex resumed>) = 0 [pid 7014] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7013] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] +++ exited with 0 +++ [pid 7006] +++ exited with 0 +++ [pid 7014] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7006, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7005] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... restart_syscall resumed>) = 0 [pid 7008] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = 0 [pid 7005] <... futex resumed>) = 0 [pid 7004] <... futex resumed>) = 0 [pid 7008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7014] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7014] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555592b0f690) = 7015 [pid 7013] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7015 attached [pid 7013] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... futex resumed>) = 0 [pid 7013] <... futex resumed>) = 1 [pid 7014] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7015] set_robust_list(0x555592b0f6a0, 24 [pid 7013] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7015] <... set_robust_list resumed>) = 0 [pid 7015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7008] <... mmap resumed>) = 0x7f2f310b2000 [pid 7008] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7015] setpgid(0, 0) = 0 [pid 7011] <... io_uring_register resumed>) = 0 [pid 7008] <... mprotect resumed>) = 0 [pid 7004] <... mmap resumed>) = 0x7f2f310b2000 [pid 7015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7004] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7011] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... mprotect resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 7011] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] <... openat resumed>) = 3 [pid 7004] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7015] write(3, "1000", 4 [pid 7008] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 7015] <... write resumed>) = 4 [pid 7008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7015] close(3./strace-static-x86_64: Process 7016 attached ) = 0 [pid 7015] write(1, "executing program\n", 18./strace-static-x86_64: Process 7017 attached ) = 18 [pid 7008] <... clone3 resumed> => {parent_tid=[7016]}, 88) = 7016 [pid 7004] <... clone3 resumed> => {parent_tid=[7017]}, 88) = 7017 [pid 7017] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7015] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] rt_sigprocmask(SIG_SETMASK, [], [pid 7004] rt_sigprocmask(SIG_SETMASK, [], [pid 7015] <... futex resumed>) = 0 [pid 7008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7017] <... rseq resumed>) = 0 [pid 7015] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7004] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] set_robust_list(0x7f2f310d29a0, 24 [pid 7015] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7008] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... futex resumed>) = 0 [pid 7017] <... set_robust_list resumed>) = 0 [pid 7015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7008] <... futex resumed>) = 0 [pid 7004] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7017] rt_sigprocmask(SIG_SETMASK, [], [pid 7008] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7017] ioctl(3, UFFDIO_REGISTER, NULL [pid 7015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7017] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7017] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7015] <... mmap resumed>) = 0x7f2f310d3000 [pid 7010] <... io_uring_register resumed>) = 0 [pid 7016] <... rseq resumed>) = 0 [pid 7010] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... futex resumed>) = 0 [pid 7017] <... futex resumed>) = 1 [pid 7017] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] set_robust_list(0x7f2f310d29a0, 24 [pid 7010] <... futex resumed>) = 0 [pid 7004] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... set_robust_list resumed>) = 0 [pid 7015] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7010] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7004] <... futex resumed>) = 0 [pid 7016] rt_sigprocmask(SIG_SETMASK, [], [pid 7010] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7004] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7015] <... mprotect resumed>) = 0 [pid 7016] ioctl(3, UFFDIO_REGISTER, NULL [pid 7005] <... mmap resumed>) = 0x7f2f310b2000 [pid 7016] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7005] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7016] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... mprotect resumed>) = 0 [pid 7010] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... futex resumed>) = 1 [pid 7015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7010] <... futex resumed>) = 1 [pid 7008] <... futex resumed>) = 0 [pid 7005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7004] <... futex resumed>) = 0 [pid 7016] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7013] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7010] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7008] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7004] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7013] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... futex resumed>) = 0 [pid 7010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7008] <... futex resumed>) = 1 [pid 7005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7004] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7018 attached ./strace-static-x86_64: Process 7019 attached [pid 7013] <... futex resumed>) = 0 [pid 7011] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7010] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7008] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7018] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7015] <... clone3 resumed> => {parent_tid=[7018]}, 88) = 7018 [pid 7013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7011] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7011] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7005] <... clone3 resumed> => {parent_tid=[7019]}, 88) = 7019 [pid 7008] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] rt_sigprocmask(SIG_SETMASK, [], [pid 7011] <... futex resumed>) = 0 [pid 7008] <... futex resumed>) = 0 [pid 7005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7011] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7008] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7015] rt_sigprocmask(SIG_SETMASK, [], [pid 7019] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7018] <... rseq resumed>) = 0 [pid 7005] <... futex resumed>) = 0 [pid 7005] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] <... mmap resumed>) = 0x7f2f310b2000 [pid 7013] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7013] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7020 attached => {parent_tid=[7020]}, 88) = 7020 [pid 7013] rt_sigprocmask(SIG_SETMASK, [], [pid 7018] set_robust_list(0x7f2f310f39a0, 24 [pid 7013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7011] <... madvise resumed>) = 0 [pid 7019] <... rseq resumed>) = 0 [pid 7015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7018] <... set_robust_list resumed>) = 0 [pid 7013] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7013] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7020] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7020] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7020] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7013] <... futex resumed>) = 0 [pid 7013] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7013] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7010] <... madvise resumed>) = 0 [pid 7018] rt_sigprocmask(SIG_SETMASK, [], [pid 7015] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7015] <... futex resumed>) = 0 [pid 7014] <... io_uring_register resumed>) = 0 [pid 7020] <... futex resumed>) = 1 [pid 7019] set_robust_list(0x7f2f310d29a0, 24 [pid 7018] userfaultfd(UFFD_USER_MODE_ONLY [pid 7015] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] <... futex resumed>) = 0 [pid 7012] <... io_uring_register resumed>) = 0 [pid 7020] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7019] <... set_robust_list resumed>) = 0 [pid 7018] <... userfaultfd resumed>) = 3 [pid 7014] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7019] rt_sigprocmask(SIG_SETMASK, [], [pid 7018] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... futex resumed>) = 0 [pid 7013] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 0 [pid 7011] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7018] <... futex resumed>) = 1 [pid 7015] <... futex resumed>) = 0 [pid 7014] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7010] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... madvise resumed>) = 0 [pid 7019] ioctl(3, UFFDIO_REGISTER, NULL [pid 7018] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... futex resumed>) = 1 [pid 7010] <... futex resumed>) = 1 [pid 7008] <... futex resumed>) = 0 [pid 7004] <... futex resumed>) = 0 [pid 7019] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7015] <... futex resumed>) = 0 [pid 7010] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7008] exit_group(0 [pid 7004] exit_group(0 [pid 7019] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] ioctl(3, UFFDIO_API, NULL [pid 7015] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7018] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7019] <... futex resumed>) = 1 [pid 7018] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... futex resumed>) = ? [pid 7008] <... exit_group resumed>) = ? [pid 7005] <... futex resumed>) = 0 [pid 7019] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7018] <... futex resumed>) = 1 [pid 7017] <... futex resumed>) = ? [pid 7016] +++ exited with 0 +++ [pid 7015] <... futex resumed>) = 0 [pid 7010] <... futex resumed>) = ? [pid 7005] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... exit_group resumed>) = ? [pid 7018] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] +++ exited with 0 +++ [pid 7015] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] <... futex resumed>) = 0 [pid 7005] <... futex resumed>) = 1 [pid 7010] +++ exited with 0 +++ [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7015] <... futex resumed>) = 0 [pid 7012] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7005] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7018] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7015] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7020] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] +++ exited with 0 +++ [pid 7020] <... futex resumed>) = 1 [pid 7013] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 1 [pid 7005] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7004, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7020] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] exit_group(0 [pid 7012] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] +++ exited with 0 +++ [pid 7008] +++ exited with 0 +++ [pid 7005] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... futex resumed>) = ? [pid 7018] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7014] <... futex resumed>) = ? [pid 7013] <... exit_group resumed>) = ? [pid 7012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7005] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7008, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7020] +++ exited with 0 +++ [pid 7018] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] +++ exited with 0 +++ [pid 7013] +++ exited with 0 +++ [pid 7012] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7005] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7018] <... futex resumed>) = 1 [pid 7015] <... futex resumed>) = 0 [pid 7012] <... madvise resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7013, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7018] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7015] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 1 [pid 7005] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7018] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7015] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7005] exit_group(0 [pid 7019] <... futex resumed>) = ? [pid 7012] <... futex resumed>) = ? [pid 7005] <... exit_group resumed>) = ? [pid 7019] +++ exited with 0 +++ [pid 7012] +++ exited with 0 +++ [pid 7005] +++ exited with 0 +++ [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7005, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7022 attached [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7022 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7021 ./strace-static-x86_64: Process 7023 attached ./strace-static-x86_64: Process 7021 attached [pid 7022] set_robust_list(0x555592b0f6a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7023 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7023] set_robust_list(0x555592b0f6a0, 24 [pid 7022] <... set_robust_list resumed>) = 0 [pid 7021] set_robust_list(0x555592b0f6a0, 24 [pid 7023] <... set_robust_list resumed>) = 0 [pid 7022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7021] <... set_robust_list resumed>) = 0 [pid 7023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7023] <... prctl resumed>) = 0 [pid 7022] <... prctl resumed>) = 0 [pid 7023] setpgid(0, 0) = 0 [pid 7022] setpgid(0, 0 [pid 7021] <... prctl resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7024 attached [pid 7023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7022] <... setpgid resumed>) = 0 [pid 7021] setpgid(0, 0 [pid 7023] <... openat resumed>) = 3 [pid 7022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7021] <... setpgid resumed>) = 0 [pid 7023] write(3, "1000", 4 [pid 7021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7023] <... write resumed>) = 4 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7024 [pid 7023] close(3 [pid 7022] <... openat resumed>) = 3 [pid 7021] <... openat resumed>) = 3 [pid 7023] <... close resumed>) = 0 [pid 7023] write(1, "executing program\n", 18 [pid 7021] write(3, "1000", 4executing program [pid 7023] <... write resumed>) = 18 [pid 7022] write(3, "1000", 4 [pid 7021] <... write resumed>) = 4 [pid 7024] set_robust_list(0x555592b0f6a0, 24 [pid 7023] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... write resumed>) = 4 [pid 7021] close(3 [pid 7018] <... io_uring_register resumed>) = 0 executing program executing program [pid 7023] <... futex resumed>) = 0 [pid 7022] close(3 [pid 7021] <... close resumed>) = 0 [pid 7023] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7022] <... close resumed>) = 0 [pid 7023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7022] write(1, "executing program\n", 18 [pid 7023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7022] <... write resumed>) = 18 [pid 7021] write(1, "executing program\n", 18 [pid 7024] <... set_robust_list resumed>) = 0 [pid 7023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7022] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... write resumed>) = 18 [pid 7018] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7021] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] <... futex resumed>) = 1 [pid 7015] <... futex resumed>) = 0 [pid 7024] <... prctl resumed>) = 0 [pid 7023] <... mmap resumed>) = 0x7f2f310d3000 [pid 7022] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7018] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] setpgid(0, 0 [pid 7023] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7015] <... futex resumed>) = 0 [pid 7024] <... setpgid resumed>) = 0 [pid 7023] <... mprotect resumed>) = 0 [pid 7015] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7022] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7021] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7018] ioctl(3, UFFDIO_REGISTER, NULL [pid 7023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7022] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7021] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7021] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7025 attached [pid 7024] <... openat resumed>) = 3 [pid 7022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7018] <... ioctl resumed>) = -1 EINVAL (Invalid argument) executing program [pid 7024] write(3, "1000", 4 [pid 7022] <... mmap resumed>) = 0x7f2f310d3000 [pid 7021] <... mmap resumed>) = 0x7f2f310d3000 [pid 7018] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7015] <... futex resumed>) = 0 [pid 7024] <... write resumed>) = 4 [pid 7018] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7024] close(3 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7015] <... futex resumed>) = 0 [pid 7025] <... rseq resumed>) = 0 [pid 7024] <... close resumed>) = 0 [pid 7018] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7015] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] set_robust_list(0x7f2f310f39a0, 24 [pid 7024] write(1, "executing program\n", 18 [pid 7018] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7025] <... set_robust_list resumed>) = 0 [pid 7024] <... write resumed>) = 18 [pid 7018] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] rt_sigprocmask(SIG_SETMASK, [], [pid 7024] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... clone3 resumed> => {parent_tid=[7025]}, 88) = 7025 [pid 7022] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7021] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7024] <... futex resumed>) = 0 [pid 7023] rt_sigprocmask(SIG_SETMASK, [], [pid 7022] <... mprotect resumed>) = 0 [pid 7021] <... mprotect resumed>) = 0 [pid 7018] <... futex resumed>) = 1 [pid 7015] <... futex resumed>) = 0 [pid 7025] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7021] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7018] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7023] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7021] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7015] <... futex resumed>) = 0 [pid 7025] <... futex resumed>) = 0 [pid 7024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7023] <... futex resumed>) = 1 [pid 7022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7018] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7015] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7027 attached [pid 7025] userfaultfd(UFFD_USER_MODE_ONLY [pid 7024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7023] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7026 attached [pid 7027] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7025] <... userfaultfd resumed>) = 3 [pid 7024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7018] <... madvise resumed>) = 0 [pid 7027] <... rseq resumed>) = 0 [pid 7026] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7025] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... mmap resumed>) = 0x7f2f310d3000 [pid 7022] <... clone3 resumed> => {parent_tid=[7026]}, 88) = 7026 [pid 7021] <... clone3 resumed> => {parent_tid=[7027]}, 88) = 7027 [pid 7027] set_robust_list(0x7f2f310f39a0, 24 [pid 7023] <... futex resumed>) = 0 [pid 7022] rt_sigprocmask(SIG_SETMASK, [], [pid 7025] <... futex resumed>) = 1 [pid 7021] rt_sigprocmask(SIG_SETMASK, [], [pid 7027] <... set_robust_list resumed>) = 0 [pid 7025] ioctl(3, UFFDIO_API, NULL [pid 7023] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7027] rt_sigprocmask(SIG_SETMASK, [], [pid 7025] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7023] <... futex resumed>) = 0 [pid 7022] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7025] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7023] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7027] userfaultfd(UFFD_USER_MODE_ONLY [pid 7025] <... futex resumed>) = 0 [pid 7023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7022] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7027] <... userfaultfd resumed>) = 3 [pid 7025] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7023] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... rseq resumed>) = 0 [pid 7025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] <... mprotect resumed>) = 0 [pid 7023] <... futex resumed>) = 0 [pid 7018] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] <... futex resumed>) = 1 [pid 7026] set_robust_list(0x7f2f310f39a0, 24 [pid 7024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7023] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... futex resumed>) = 0 [pid 7027] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7026] <... set_robust_list resumed>) = 0 [pid 7025] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7021] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] <... futex resumed>) = 1 [pid 7015] <... futex resumed>) = 0 [pid 7027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7026] rt_sigprocmask(SIG_SETMASK, [], [pid 7024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7018] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] exit_group(0./strace-static-x86_64: Process 7028 attached [pid 7026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7018] <... futex resumed>) = ? [pid 7027] ioctl(3, UFFDIO_API, NULL [pid 7015] <... exit_group resumed>) = ? [pid 7028] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7027] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7026] userfaultfd(UFFD_USER_MODE_ONLY [pid 7025] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7024] <... clone3 resumed> => {parent_tid=[7028]}, 88) = 7028 [pid 7021] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7018] +++ exited with 0 +++ [pid 7015] +++ exited with 0 +++ [pid 7028] <... rseq resumed>) = 0 [pid 7027] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... userfaultfd resumed>) = 3 [pid 7025] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] rt_sigprocmask(SIG_SETMASK, [], [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7028] set_robust_list(0x7f2f310f39a0, 24 [pid 7027] <... futex resumed>) = 0 [pid 7026] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] <... futex resumed>) = 1 [pid 7024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7023] <... futex resumed>) = 0 [pid 7021] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7015, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7028] <... set_robust_list resumed>) = 0 [pid 7027] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7026] <... futex resumed>) = 1 [pid 7025] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7024] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7028] rt_sigprocmask(SIG_SETMASK, [], [pid 7026] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] <... futex resumed>) = 0 [pid 7023] <... futex resumed>) = 0 [pid 7021] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7024] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7023] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7026] <... futex resumed>) = 0 [pid 7022] <... futex resumed>) = 1 [pid 7028] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] ioctl(3, UFFDIO_API, NULL [pid 7027] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7028] <... futex resumed>) = 1 [pid 7026] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7024] <... futex resumed>) = 0 [pid 7028] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7026] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7026] <... futex resumed>) = 0 [pid 7024] <... futex resumed>) = 0 [pid 7022] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] ioctl(3, UFFDIO_API, NULL [pid 7026] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7028] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7022] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7022] <... futex resumed>) = 1 [pid 7026] <... futex resumed>) = 0 [pid 7028] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7028] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7027] <... futex resumed>) = 1 [pid 7026] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7024] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... futex resumed>) = 0 [pid 7028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7027] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] <... futex resumed>) = 0 [pid 7028] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7026] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7024] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7028] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7027] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7026] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7029 attached [pid 7026] <... futex resumed>) = 1 [pid 7022] <... futex resumed>) = 0 [pid 7021] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7026] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7022] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7029 [pid 7026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7022] <... futex resumed>) = 0 [pid 7026] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7022] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] set_robust_list(0x555592b0f6a0, 24 [pid 7028] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7028] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] <... futex resumed>) = 0 [pid 7024] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... futex resumed>) = 0 [pid 7024] <... futex resumed>) = 1 [pid 7028] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7024] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] <... set_robust_list resumed>) = 0 [pid 7029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7025] <... io_uring_register resumed>) = 0 [pid 7029] <... prctl resumed>) = 0 [pid 7029] setpgid(0, 0 [pid 7025] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7029] <... setpgid resumed>) = 0 [pid 7025] <... futex resumed>) = 0 [pid 7023] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7025] ioctl(3, UFFDIO_REGISTER, NULL [pid 7023] <... futex resumed>) = 0 [pid 7029] <... openat resumed>) = 3 [pid 7025] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7023] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7029] write(3, "1000", 4 [pid 7025] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7022] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... write resumed>) = 4 [pid 7025] <... futex resumed>) = 0 [pid 7023] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7029] close(3 [pid 7025] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7023] <... futex resumed>) = 0 [pid 7022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7029] <... close resumed>) = 0 [pid 7024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7024] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 7029] write(1, "executing program\n", 18 [pid 7025] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7023] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] <... write resumed>) = 18 [pid 7025] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] <... futex resumed>) = 0 [pid 7023] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... futex resumed>) = 0 [pid 7025] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7023] <... futex resumed>) = 0 [pid 7021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7029] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7026] <... io_uring_register resumed>) = 0 [pid 7025] <... madvise resumed>) = 0 [pid 7023] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... mmap resumed>) = 0x7f2f310b2000 [pid 7029] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7026] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7022] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7026] <... futex resumed>) = 0 [pid 7025] <... futex resumed>) = 0 [pid 7023] exit_group(0 [pid 7026] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7023] <... exit_group resumed>) = ? [pid 7022] <... mprotect resumed>) = 0 [pid 7029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7025] +++ exited with 0 +++ [pid 7029] <... mmap resumed>) = 0x7f2f310d3000 [pid 7029] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7029] <... mprotect resumed>) = 0 [pid 7022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7023] +++ exited with 0 +++ [pid 7022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7030 attached [pid 7029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7028] <... io_uring_register resumed>) = 0 [pid 7027] <... io_uring_register resumed>) = 0 [pid 7024] <... mmap resumed>) = 0x7f2f310b2000 [pid 7021] <... mmap resumed>) = 0x7f2f310b2000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7023, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7028] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7022] <... clone3 resumed> => {parent_tid=[7030]}, 88) = 7030 [pid 7021] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7030] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7030] <... rseq resumed>) = 0 [pid 7029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7028] <... futex resumed>) = 0 [pid 7027] <... futex resumed>) = 0 [pid 7024] <... mprotect resumed>) = 0 [pid 7022] rt_sigprocmask(SIG_SETMASK, [], [pid 7021] <... mprotect resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7031 attached [pid 7030] set_robust_list(0x7f2f310d29a0, 24 [pid 7028] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7027] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7021] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7031] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7030] <... set_robust_list resumed>) = 0 [pid 7029] <... clone3 resumed> => {parent_tid=[7031]}, 88) = 7031 [pid 7024] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7022] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7031] <... rseq resumed>) = 0 [pid 7030] rt_sigprocmask(SIG_SETMASK, [], [pid 7029] rt_sigprocmask(SIG_SETMASK, [], [pid 7024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7022] <... futex resumed>) = 0 [pid 7021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7032 attached [pid 7031] set_robust_list(0x7f2f310f39a0, 24 [pid 7030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7022] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7033 attached [pid 7032] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7031] <... set_robust_list resumed>) = 0 [pid 7030] ioctl(3, UFFDIO_REGISTER, NULL [pid 7029] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... clone3 resumed> => {parent_tid=[7032]}, 88) = 7032 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7033] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7032] <... rseq resumed>) = 0 [pid 7031] rt_sigprocmask(SIG_SETMASK, [], [pid 7030] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7029] <... futex resumed>) = 0 [pid 7024] rt_sigprocmask(SIG_SETMASK, [], [pid 7021] <... clone3 resumed> => {parent_tid=[7033]}, 88) = 7033 [pid 7024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7024] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7024] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] <... rseq resumed>) = 0 [pid 7032] set_robust_list(0x7f2f310d29a0, 24 [pid 7031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7030] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] set_robust_list(0x7f2f310d29a0, 24 [pid 7021] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7034 [pid 7033] <... set_robust_list resumed>) = 0 [pid 7032] <... set_robust_list resumed>) = 0 [pid 7031] userfaultfd(UFFD_USER_MODE_ONLY [pid 7030] <... futex resumed>) = 1 [pid 7022] <... futex resumed>) = 0 [pid 7021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7033] rt_sigprocmask(SIG_SETMASK, [], [pid 7032] rt_sigprocmask(SIG_SETMASK, [], [pid 7031] <... userfaultfd resumed>) = 3 [pid 7030] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7022] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7031] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7022] <... futex resumed>) = 1 [pid 7021] <... futex resumed>) = 0 [pid 7033] ioctl(3, UFFDIO_REGISTER, NULL [pid 7032] ioctl(3, UFFDIO_REGISTER, NULL [pid 7031] <... futex resumed>) = 1 [pid 7029] <... futex resumed>) = 0 [pid 7026] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7022] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7032] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7031] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7029] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7033] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7032] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] <... futex resumed>) = 0 [pid 7026] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7034 attached [pid 7033] <... futex resumed>) = 1 [pid 7032] <... futex resumed>) = 1 [pid 7031] ioctl(3, UFFDIO_API, NULL [pid 7029] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7026] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7022] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7034] set_robust_list(0x555592b0f6a0, 24 [pid 7033] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7032] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7031] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7026] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... set_robust_list resumed>) = 0 [pid 7031] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... futex resumed>) = 0 [pid 7027] <... futex resumed>) = 0 [pid 7026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] <... futex resumed>) = 1 [pid 7022] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 1 [pid 7034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7031] <... futex resumed>) = 1 [pid 7029] <... futex resumed>) = 0 [pid 7028] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7027] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7026] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7024] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7034] <... prctl resumed>) = 0 [pid 7031] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7029] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7027] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7034] setpgid(0, 0 [pid 7031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... setpgid resumed>) = 0 [pid 7031] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7029] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 1 [pid 7027] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7028] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7027] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] <... futex resumed>) = 0 [pid 7021] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7028] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7027] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7026] <... madvise resumed>) = 0 [pid 7024] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... futex resumed>) = 0 [pid 7034] <... openat resumed>) = 3 [pid 7031] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7028] <... madvise resumed>) = 0 [pid 7027] <... madvise resumed>) = 0 [pid 7026] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] write(3, "1000", 4 [pid 7031] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... write resumed>) = 4 [pid 7031] <... futex resumed>) = 1 [pid 7029] <... futex resumed>) = 0 [pid 7026] <... futex resumed>) = 1 [pid 7022] <... futex resumed>) = 0 [pid 7034] close(3 [pid 7031] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7029] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7021] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] exit_group(0 [pid 7034] <... close resumed>) = 0 [pid 7031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] <... futex resumed>) = 0 [pid 7026] <... futex resumed>) = ? [pid 7030] <... futex resumed>) = ? [pid 7022] <... exit_group resumed>) = ? [pid 7034] write(1, "executing program\n", 18 [pid 7031] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7029] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] +++ exited with 0 +++ [pid 7030] +++ exited with 0 +++ executing program [pid 7028] <... futex resumed>) = 1 [pid 7027] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... futex resumed>) = 0 [pid 7034] <... write resumed>) = 18 [pid 7028] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7027] <... futex resumed>) = 1 [pid 7024] exit_group(0 [pid 7022] +++ exited with 0 +++ [pid 7021] <... futex resumed>) = 0 [pid 7028] <... futex resumed>) = ? [pid 7027] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] <... exit_group resumed>) = ? [pid 7021] exit_group(0 [pid 7034] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... futex resumed>) = ? [pid 7032] <... futex resumed>) = ? [pid 7028] +++ exited with 0 +++ [pid 7027] <... futex resumed>) = ? [pid 7021] <... exit_group resumed>) = ? [pid 7034] <... futex resumed>) = 0 [pid 7033] +++ exited with 0 +++ [pid 7032] +++ exited with 0 +++ [pid 7027] +++ exited with 0 +++ [pid 7024] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7022, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7034] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7021] +++ exited with 0 +++ [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7034] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7024, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7021, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7034] <... mmap resumed>) = 0x7f2f310d3000 [pid 7034] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7035 attached [pid 7034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7035] set_robust_list(0x555592b0f6a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7035 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7035] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7037 attached ./strace-static-x86_64: Process 7038 attached ./strace-static-x86_64: Process 7036 attached [pid 7035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7037] set_robust_list(0x555592b0f6a0, 24 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7037 [pid 7038] set_robust_list(0x555592b0f6a0, 24 [pid 7037] <... set_robust_list resumed>) = 0 [pid 7036] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7035] <... prctl resumed>) = 0 [pid 7034] <... clone3 resumed> => {parent_tid=[7036]}, 88) = 7036 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7038 [pid 7038] <... set_robust_list resumed>) = 0 [pid 7037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7036] <... rseq resumed>) = 0 [pid 7035] setpgid(0, 0 [pid 7034] rt_sigprocmask(SIG_SETMASK, [], [pid 7038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7037] <... prctl resumed>) = 0 [pid 7036] set_robust_list(0x7f2f310f39a0, 24 [pid 7035] <... setpgid resumed>) = 0 [pid 7034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7038] <... prctl resumed>) = 0 [pid 7037] setpgid(0, 0 [pid 7036] <... set_robust_list resumed>) = 0 [pid 7035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7034] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] setpgid(0, 0 [pid 7037] <... setpgid resumed>) = 0 [pid 7036] rt_sigprocmask(SIG_SETMASK, [], [pid 7038] <... setpgid resumed>) = 0 [pid 7036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7034] <... futex resumed>) = 0 [pid 7038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7036] userfaultfd(UFFD_USER_MODE_ONLY [pid 7035] <... openat resumed>) = 3 [pid 7034] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7037] <... openat resumed>) = 3 [pid 7036] <... userfaultfd resumed>) = 3 [pid 7038] <... openat resumed>) = 3 [pid 7037] write(3, "1000", 4 [pid 7036] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] write(3, "1000", 4 [pid 7037] <... write resumed>) = 4 [pid 7036] <... futex resumed>) = 1 [pid 7034] <... futex resumed>) = 0 [pid 7038] write(3, "1000", 4 [pid 7037] close(3 [pid 7036] ioctl(3, UFFDIO_API, NULL [pid 7035] <... write resumed>) = 4 [pid 7034] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... write resumed>) = 4 [pid 7037] <... close resumed>) = 0 [pid 7036] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7035] close(3 [pid 7034] <... futex resumed>) = 0 [pid 7038] close(3 executing program [pid 7037] write(1, "executing program\n", 18 [pid 7036] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... close resumed>) = 0 [pid 7034] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program executing program [pid 7038] <... close resumed>) = 0 [pid 7037] <... write resumed>) = 18 [pid 7036] <... futex resumed>) = 0 [pid 7035] write(1, "executing program\n", 18 [pid 7034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7038] write(1, "executing program\n", 18 [pid 7037] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7035] <... write resumed>) = 18 [pid 7034] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... write resumed>) = 18 [pid 7037] <... futex resumed>) = 0 [pid 7035] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = 0 [pid 7038] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7034] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] <... futex resumed>) = 0 [pid 7037] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7036] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7035] <... futex resumed>) = 0 [pid 7037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7038] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7038] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7035] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7036] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7037] <... mmap resumed>) = 0x7f2f310d3000 [pid 7036] <... futex resumed>) = 1 [pid 7035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7034] <... futex resumed>) = 0 [pid 7038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7037] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7036] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7034] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... mmap resumed>) = 0x7f2f310d3000 [pid 7037] <... mprotect resumed>) = 0 [pid 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7034] <... futex resumed>) = 0 [pid 7038] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7037] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7036] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7035] <... mmap resumed>) = 0x7f2f310d3000 [pid 7034] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] <... mprotect resumed>) = 0 [pid 7037] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7038] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7029] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7035] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7029] <... futex resumed>) = 0 [pid 7035] <... mprotect resumed>) = 0 [pid 7037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7031] <... io_uring_register resumed>) = 0 [pid 7029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7039 attached [pid 7038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7031] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... mmap resumed>) = 0x7f2f310b2000 [pid 7035] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7029] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7038] <... clone3 resumed> => {parent_tid=[7040]}, 88) = 7040 [pid 7035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7029] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7041 attached ./strace-static-x86_64: Process 7040 attached [pid 7039] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7038] rt_sigprocmask(SIG_SETMASK, [], [pid 7037] <... clone3 resumed> => {parent_tid=[7039]}, 88) = 7039 [pid 7031] <... futex resumed>) = 0 [pid 7029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7031] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7037] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7042 attached [pid 7039] <... rseq resumed>) = 0 [pid 7038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7035] <... clone3 resumed> => {parent_tid=[7041]}, 88) = 7041 [pid 7029] <... clone3 resumed> => {parent_tid=[7042]}, 88) = 7042 [pid 7029] rt_sigprocmask(SIG_SETMASK, [], [pid 7040] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7040] <... rseq resumed>) = 0 [pid 7038] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] rt_sigprocmask(SIG_SETMASK, [], [pid 7029] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... futex resumed>) = 0 [pid 7035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7040] set_robust_list(0x7f2f310f39a0, 24 [pid 7038] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7040] <... set_robust_list resumed>) = 0 [pid 7035] <... futex resumed>) = 0 [pid 7040] rt_sigprocmask(SIG_SETMASK, [], [pid 7035] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7042] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7041] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7039] set_robust_list(0x7f2f310f39a0, 24 [pid 7037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7040] userfaultfd(UFFD_USER_MODE_ONLY [pid 7039] <... set_robust_list resumed>) = 0 [pid 7037] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... rseq resumed>) = 0 [pid 7041] <... rseq resumed>) = 0 [pid 7042] set_robust_list(0x7f2f310d29a0, 24 [pid 7041] set_robust_list(0x7f2f310f39a0, 24 [pid 7040] <... userfaultfd resumed>) = 3 [pid 7039] rt_sigprocmask(SIG_SETMASK, [], [pid 7037] <... futex resumed>) = 0 [pid 7042] <... set_robust_list resumed>) = 0 [pid 7041] <... set_robust_list resumed>) = 0 [pid 7039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7037] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7042] rt_sigprocmask(SIG_SETMASK, [], [pid 7041] rt_sigprocmask(SIG_SETMASK, [], [pid 7039] userfaultfd(UFFD_USER_MODE_ONLY [pid 7042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7042] ioctl(3, UFFDIO_REGISTER, NULL [pid 7041] userfaultfd(UFFD_USER_MODE_ONLY [pid 7040] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7041] <... userfaultfd resumed>) = 3 [pid 7042] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... userfaultfd resumed>) = 3 [pid 7042] <... futex resumed>) = 1 [pid 7041] <... futex resumed>) = 1 [pid 7040] <... futex resumed>) = 1 [pid 7038] <... futex resumed>) = 0 [pid 7035] <... futex resumed>) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7039] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7041] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7040] ioctl(3, UFFDIO_API, NULL [pid 7038] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7040] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7038] <... futex resumed>) = 0 [pid 7035] <... futex resumed>) = 0 [pid 7031] <... futex resumed>) = 0 [pid 7029] <... futex resumed>) = 1 [pid 7041] ioctl(3, UFFDIO_API, NULL [pid 7040] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... futex resumed>) = 1 [pid 7038] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7037] <... futex resumed>) = 0 [pid 7035] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7031] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7029] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7041] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7040] <... futex resumed>) = 0 [pid 7039] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7037] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7041] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7038] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] <... futex resumed>) = 0 [pid 7031] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] <... futex resumed>) = 1 [pid 7040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7039] ioctl(3, UFFDIO_API, NULL [pid 7038] <... futex resumed>) = 0 [pid 7037] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] <... futex resumed>) = 0 [pid 7031] <... futex resumed>) = 1 [pid 7029] <... futex resumed>) = 0 [pid 7041] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7040] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7039] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7038] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7029] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7040] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7039] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = 0 [pid 7031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] <... futex resumed>) = 0 [pid 7041] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7040] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... futex resumed>) = 1 [pid 7037] <... futex resumed>) = 0 [pid 7035] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7031] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7029] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7041] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7040] <... futex resumed>) = 1 [pid 7039] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7038] <... futex resumed>) = 0 [pid 7037] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... madvise resumed>) = 0 [pid 7040] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7038] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7038] <... futex resumed>) = 0 [pid 7037] <... futex resumed>) = 0 [pid 7031] <... futex resumed>) = 1 [pid 7029] <... futex resumed>) = 0 [pid 7040] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7038] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7031] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7029] exit_group(0 [pid 7042] <... futex resumed>) = ? [pid 7041] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7037] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7031] <... futex resumed>) = ? [pid 7029] <... exit_group resumed>) = ? [pid 7042] +++ exited with 0 +++ [pid 7041] <... futex resumed>) = 1 [pid 7039] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = 0 [pid 7041] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] <... futex resumed>) = 1 [pid 7037] <... futex resumed>) = 0 [pid 7039] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7037] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7037] <... futex resumed>) = 0 [pid 7039] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7037] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7035] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7041] <... futex resumed>) = 0 [pid 7041] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7034] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7031] +++ exited with 0 +++ [pid 7029] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7029, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555592b0f690) = 7043 ./strace-static-x86_64: Process 7043 attached [pid 7043] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7043] setpgid(0, 0) = 0 [pid 7043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7043] write(3, "1000", 4 [pid 7036] <... io_uring_register resumed>) = 0 [pid 7034] <... mmap resumed>) = 0x7f2f310b2000 [pid 7038] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7036] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7038] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... mprotect resumed>) = 0 [pid 7043] <... write resumed>) = 4 [pid 7038] <... futex resumed>) = 0 [pid 7038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7043] close(3./strace-static-x86_64: Process 7044 attached ) = 0 [pid 7043] write(1, "executing program\n", 18 [pid 7036] <... futex resumed>) = 0 [pid 7034] <... clone3 resumed> => {parent_tid=[7044]}, 88) = 7044 [pid 7044] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7036] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] rt_sigprocmask(SIG_SETMASK, [], [pid 7044] <... rseq resumed>) = 0 [pid 7034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7044] set_robust_list(0x7f2f310d29a0, 24 [pid 7034] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7044] <... set_robust_list resumed>) = 0 [pid 7034] <... futex resumed>) = 0 executing program [pid 7044] rt_sigprocmask(SIG_SETMASK, [], [pid 7043] <... write resumed>) = 18 [pid 7034] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7044] ioctl(3, UFFDIO_REGISTER, NULL [pid 7043] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7043] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7043] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7043] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7044] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[7045]}, 88) = 7045 [pid 7043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7043] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7043] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7045 attached [pid 7045] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7045] set_robust_list(0x7f2f310f39a0, 24 [pid 7035] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7035] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7035] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7045] <... set_robust_list resumed>) = 0 [pid 7037] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7044] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7037] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = 0 [pid 7044] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7037] <... futex resumed>) = 0 [pid 7034] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] rt_sigprocmask(SIG_SETMASK, [], [pid 7037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7036] <... futex resumed>) = 0 [pid 7034] <... futex resumed>) = 1 [pid 7036] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7034] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7036] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7036] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7034] <... futex resumed>) = 0 [pid 7036] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7034] <... futex resumed>) = 0 [pid 7036] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7034] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7045] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7045] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7043] <... futex resumed>) = 0 [pid 7045] ioctl(3, UFFDIO_API, NULL [pid 7043] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7043] <... futex resumed>) = 0 [pid 7045] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7043] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7043] <... futex resumed>) = 0 [pid 7043] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] <... madvise resumed>) = 0 [pid 7045] <... futex resumed>) = 1 [pid 7043] <... futex resumed>) = 0 [pid 7043] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7043] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7038] <... mmap resumed>) = 0x7f2f310b2000 [pid 7038] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7036] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7036] <... futex resumed>) = 1 [pid 7034] <... futex resumed>) = 0 [pid 7038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7034] exit_group(0./strace-static-x86_64: Process 7046 attached [pid 7036] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] <... mmap resumed>) = 0x7f2f310b2000 [pid 7038] <... clone3 resumed> => {parent_tid=[7046]}, 88) = 7046 [pid 7035] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7038] rt_sigprocmask(SIG_SETMASK, [], [pid 7035] <... mprotect resumed>) = 0 [pid 7038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7038] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7038] <... futex resumed>) = 0 [pid 7035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7038] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] <... clone3 resumed> => {parent_tid=[7047]}, 88) = 7047 [pid 7035] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7047 attached [pid 7046] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7044] <... futex resumed>) = ? [pid 7041] <... io_uring_register resumed>) = 0 [pid 7040] <... io_uring_register resumed>) = 0 [pid 7036] <... futex resumed>) = ? [pid 7035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7034] <... exit_group resumed>) = ? [pid 7044] +++ exited with 0 +++ [pid 7035] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] +++ exited with 0 +++ [pid 7035] <... futex resumed>) = 0 [pid 7035] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7047] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7047] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7047] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7047] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7035] <... futex resumed>) = 0 [pid 7047] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7046] <... rseq resumed>) = 0 [pid 7041] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] +++ exited with 0 +++ [pid 7046] set_robust_list(0x7f2f310d29a0, 24 [pid 7041] <... futex resumed>) = 0 [pid 7040] <... futex resumed>) = 0 [pid 7035] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7034, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7046] <... set_robust_list resumed>) = 0 [pid 7041] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7040] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] rt_sigprocmask(SIG_SETMASK, [], [pid 7041] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7041] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] ioctl(3, UFFDIO_REGISTER, NULL [pid 7041] <... futex resumed>) = 1 [pid 7035] <... futex resumed>) = 0 [pid 7035] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7035] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7041] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7046] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7041] <... madvise resumed>) = 0 [pid 7038] <... futex resumed>) = 0 [pid 7046] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7038] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7038] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7040] <... futex resumed>) = 0 [pid 7040] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7041] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7041] <... futex resumed>) = 1 [pid 7040] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7040] <... futex resumed>) = 1 [pid 7038] <... futex resumed>) = 0 [pid 7040] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7038] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7038] <... futex resumed>) = 0 [pid 7040] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7038] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7048 attached [pid 7035] exit_group(0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7048 [pid 7047] <... futex resumed>) = ? [pid 7035] <... exit_group resumed>) = ? [pid 7048] set_robust_list(0x555592b0f6a0, 24 [pid 7047] +++ exited with 0 +++ [pid 7048] <... set_robust_list resumed>) = 0 [pid 7048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7048] setpgid(0, 0) = 0 [pid 7048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7041] <... futex resumed>) = ? [pid 7040] <... madvise resumed>) = 0 [pid 7048] write(3, "1000", 4) = 4 [pid 7048] close(3executing program ) = 0 [pid 7048] write(1, "executing program\n", 18) = 18 [pid 7048] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7048] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7037] <... mmap resumed>) = 0x7f2f310b2000 [pid 7048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7043] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... io_uring_register resumed>) = 0 [pid 7037] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7048] <... mmap resumed>) = 0x7f2f310d3000 [pid 7043] <... futex resumed>) = 0 [pid 7041] +++ exited with 0 +++ [pid 7040] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] +++ exited with 0 +++ [pid 7037] <... mprotect resumed>) = 0 [pid 7048] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7040] <... futex resumed>) = 1 [pid 7039] <... futex resumed>) = 0 [pid 7038] <... futex resumed>) = 0 [pid 7037] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7035, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7048] <... mprotect resumed>) = 0 [pid 7040] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7038] exit_group(0 [pid 7037] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7046] <... futex resumed>) = ? [pid 7040] <... futex resumed>) = ? [pid 7038] <... exit_group resumed>) = ? [pid 7037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5832] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7049 attached [pid 7048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7046] +++ exited with 0 +++ [pid 7049] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7037] <... clone3 resumed> => {parent_tid=[7049]}, 88) = 7049 ./strace-static-x86_64: Process 7050 attached [pid 7049] <... rseq resumed>) = 0 [pid 7037] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7051 attached [pid 7049] set_robust_list(0x7f2f310d29a0, 24 [pid 7048] <... clone3 resumed> => {parent_tid=[7050]}, 88) = 7050 [pid 7051] set_robust_list(0x555592b0f6a0, 24 [pid 7049] <... set_robust_list resumed>) = 0 [pid 7048] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7051 [pid 7051] <... set_robust_list resumed>) = 0 [pid 7049] rt_sigprocmask(SIG_SETMASK, [], [pid 7048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7048] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... prctl resumed>) = 0 [pid 7049] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7051] setpgid(0, 0 [pid 7048] <... futex resumed>) = 0 [pid 7051] <... setpgid resumed>) = 0 [pid 7048] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7043] <... mmap resumed>) = 0x7f2f310b2000 [pid 7037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] write(3, "1000", 4 [pid 7050] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7045] <... io_uring_register resumed>) = 0 [pid 7043] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7040] +++ exited with 0 +++ [pid 7038] +++ exited with 0 +++ [pid 7037] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... write resumed>) = 4 [pid 7050] <... rseq resumed>) = 0 [pid 7049] <... futex resumed>) = 0 [pid 7043] <... mprotect resumed>) = 0 [pid 7037] <... futex resumed>) = 1 [pid 7051] close(3 [pid 7049] ioctl(3, UFFDIO_REGISTER, NULL [pid 7043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7038, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7051] <... close resumed>) = 0 executing program [pid 7049] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7052 attached [pid 7051] write(1, "executing program\n", 18 [pid 7049] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7052] set_robust_list(0x555592b0f6a0, 24 [pid 7051] <... write resumed>) = 18 [pid 7050] set_robust_list(0x7f2f310f39a0, 24 [pid 7049] <... futex resumed>) = 0 [pid 7037] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7052 [pid 7052] <... set_robust_list resumed>) = 0 [pid 7051] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... set_robust_list resumed>) = 0 [pid 7049] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7043] <... clone3 resumed> => {parent_tid=[7053]}, 88) = 7053 [pid 7052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7051] <... futex resumed>) = 0 [pid 7043] rt_sigprocmask(SIG_SETMASK, [], [pid 7052] <... prctl resumed>) = 0 [pid 7051] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7052] setpgid(0, 0 [pid 7051] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7043] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... setpgid resumed>) = 0 [pid 7051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7043] <... futex resumed>) = 0 [pid 7052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7043] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7052] <... openat resumed>) = 3 [pid 7051] <... mmap resumed>) = 0x7f2f310d3000 [pid 7051] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7052] write(3, "1000", 4 [pid 7051] <... mprotect resumed>) = 0 [pid 7052] <... write resumed>) = 4 [pid 7051] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7053 attached [pid 7052] close(3 [pid 7050] rt_sigprocmask(SIG_SETMASK, [], [pid 7045] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7037] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] <... rseq resumed>) = 0 [pid 7052] <... close resumed>) = 0 [pid 7051] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7050] userfaultfd(UFFD_USER_MODE_ONLY [pid 7045] <... futex resumed>) = 0 [pid 7039] <... futex resumed>) = 0 [pid 7037] <... futex resumed>) = 1 executing program [pid 7053] set_robust_list(0x7f2f310d29a0, 24 [pid 7052] write(1, "executing program\n", 18 [pid 7051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7050] <... userfaultfd resumed>) = 3 [pid 7045] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7037] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] <... set_robust_list resumed>) = 0 [pid 7052] <... write resumed>) = 18 [pid 7050] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7053] rt_sigprocmask(SIG_SETMASK, [], [pid 7052] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... futex resumed>) = 1 [pid 7048] <... futex resumed>) = 0 [pid 7039] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7054 attached [pid 7053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7052] <... futex resumed>) = 0 [pid 7050] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7048] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... futex resumed>) = 1 [pid 7037] <... futex resumed>) = 0 [pid 7054] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7053] ioctl(3, UFFDIO_REGISTER, NULL [pid 7052] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7051] <... clone3 resumed> => {parent_tid=[7054]}, 88) = 7054 [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7048] <... futex resumed>) = 0 [pid 7039] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7037] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] <... rseq resumed>) = 0 [pid 7053] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7052] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7051] rt_sigprocmask(SIG_SETMASK, [], [pid 7050] ioctl(3, UFFDIO_API, NULL [pid 7048] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7037] <... futex resumed>) = 0 [pid 7054] set_robust_list(0x7f2f310f39a0, 24 [pid 7053] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7039] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7037] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] <... set_robust_list resumed>) = 0 [pid 7053] <... futex resumed>) = 1 [pid 7052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7050] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] <... futex resumed>) = 0 [pid 7054] rt_sigprocmask(SIG_SETMASK, [], [pid 7053] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... futex resumed>) = 1 [pid 7048] <... futex resumed>) = 0 [pid 7043] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7051] <... futex resumed>) = 0 [pid 7050] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7048] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] userfaultfd(UFFD_USER_MODE_ONLY [pid 7052] <... mmap resumed>) = 0x7f2f310d3000 [pid 7051] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7048] <... futex resumed>) = 0 [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 1 [pid 7054] <... userfaultfd resumed>) = 3 [pid 7052] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7050] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7048] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7043] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7039] <... madvise resumed>) = 0 [pid 7054] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... mprotect resumed>) = 0 [pid 7050] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7045] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7039] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] <... futex resumed>) = 1 [pid 7052] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7051] <... futex resumed>) = 0 [pid 7050] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... futex resumed>) = 1 [pid 7037] <... futex resumed>) = 0 [pid 7054] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7051] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... futex resumed>) = 1 [pid 7048] <... futex resumed>) = 0 [pid 7045] <... futex resumed>) = 1 [pid 7043] <... futex resumed>) = 0 [pid 7039] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7037] exit_group(0 [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7051] <... futex resumed>) = 0 [pid 7050] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7049] <... futex resumed>) = ? [pid 7048] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7043] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... futex resumed>) = ? [pid 7037] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7055 attached [pid 7054] ioctl(3, UFFDIO_API, NULL [pid 7051] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7049] +++ exited with 0 +++ [pid 7048] <... futex resumed>) = 0 [pid 7045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7043] <... futex resumed>) = 0 [pid 7039] +++ exited with 0 +++ [pid 7055] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7054] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7052] <... clone3 resumed> => {parent_tid=[7055]}, 88) = 7055 [pid 7050] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7048] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7043] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7037] +++ exited with 0 +++ [pid 7055] <... rseq resumed>) = 0 [pid 7054] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] rt_sigprocmask(SIG_SETMASK, [], [pid 7045] <... madvise resumed>) = 0 [pid 7054] <... futex resumed>) = 1 [pid 7052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] <... futex resumed>) = 0 [pid 7055] set_robust_list(0x7f2f310f39a0, 24 [pid 7054] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7051] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... set_robust_list resumed>) = 0 [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7051] <... futex resumed>) = 0 [pid 7055] rt_sigprocmask(SIG_SETMASK, [], [pid 7054] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7055] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7037, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7055] <... futex resumed>) = 0 [pid 7054] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7052] <... futex resumed>) = 1 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7055] userfaultfd(UFFD_USER_MODE_ONLY [pid 7052] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7055] <... userfaultfd resumed>) = 3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7055] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = 1 [pid 7054] <... futex resumed>) = 1 [pid 7052] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = 0 [pid 7055] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7054] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7056 attached [pid 7055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = 0 [pid 7055] ioctl(3, UFFDIO_API, NULL [pid 7054] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7056] set_robust_list(0x555592b0f6a0, 24 [pid 7055] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7052] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7050] <... io_uring_register resumed>) = 0 [pid 7045] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7056 [pid 7056] <... set_robust_list resumed>) = 0 [pid 7055] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] <... futex resumed>) = 1 [pid 7043] <... futex resumed>) = 0 [pid 7056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7055] <... futex resumed>) = 0 [pid 7052] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7043] exit_group(0 [pid 7056] <... prctl resumed>) = 0 [pid 7055] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7053] <... futex resumed>) = ? [pid 7052] <... futex resumed>) = 0 [pid 7050] <... futex resumed>) = 1 [pid 7048] <... futex resumed>) = 0 [pid 7045] <... futex resumed>) = ? [pid 7043] <... exit_group resumed>) = ? [pid 7056] setpgid(0, 0 [pid 7055] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7053] +++ exited with 0 +++ [pid 7052] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7050] ioctl(3, UFFDIO_REGISTER, NULL [pid 7048] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] +++ exited with 0 +++ [pid 7056] <... setpgid resumed>) = 0 [pid 7055] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7048] <... futex resumed>) = 0 [pid 7056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7055] <... futex resumed>) = 0 [pid 7052] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7055] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7052] <... futex resumed>) = 0 [pid 7050] <... futex resumed>) = 0 [pid 7048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7050] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7048] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] +++ exited with 0 +++ [pid 7050] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7043, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7050] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7056] <... openat resumed>) = 3 [pid 7050] <... futex resumed>) = 0 [pid 7048] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7048] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7048] <... futex resumed>) = 0 [pid 7048] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... restart_syscall resumed>) = 0 executing program [pid 7056] write(3, "1000", 4 [pid 7050] <... madvise resumed>) = 0 [pid 7056] <... write resumed>) = 4 [pid 7050] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] close(3 [pid 7050] <... futex resumed>) = 1 [pid 7048] <... futex resumed>) = 0 [pid 7056] <... close resumed>) = 0 [pid 7050] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7048] exit_group(0 [pid 7056] write(1, "executing program\n", 18 [pid 7050] <... futex resumed>) = ? [pid 7048] <... exit_group resumed>) = ? [pid 7056] <... write resumed>) = 18 [pid 7056] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] +++ exited with 0 +++ [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7056] <... futex resumed>) = 0 [pid 7048] +++ exited with 0 +++ ./strace-static-x86_64: Process 7057 attached [pid 7056] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7048, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7057] set_robust_list(0x555592b0f6a0, 24 [pid 7056] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7057 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7057] <... set_robust_list resumed>) = 0 [pid 7056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7057] <... prctl resumed>) = 0 [pid 7056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7057] setpgid(0, 0 [pid 7056] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7057] <... setpgid resumed>) = 0 [pid 7056] <... mprotect resumed>) = 0 [pid 7057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] <... restart_syscall resumed>) = 0 [pid 7056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7058 attached [pid 7058] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7056] <... clone3 resumed> => {parent_tid=[7058]}, 88) = 7058 [pid 7058] <... rseq resumed>) = 0 [pid 7057] <... openat resumed>) = 3 [pid 7056] rt_sigprocmask(SIG_SETMASK, [], [pid 7058] set_robust_list(0x7f2f310f39a0, 24 [pid 7056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7056] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 7059 attached [pid 7058] <... set_robust_list resumed>) = 0 [pid 7057] write(3, "1000", 4 [pid 7056] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7058] rt_sigprocmask(SIG_SETMASK, [], [pid 7057] <... write resumed>) = 4 [pid 7056] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7057] close(3 [pid 7058] userfaultfd(UFFD_USER_MODE_ONLY [pid 7051] <... futex resumed>) = 0 [pid 7057] <... close resumed>) = 0 [pid 7058] <... userfaultfd resumed>) = 3 [pid 7057] write(1, "executing program\n", 18 [pid 7051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7059] set_robust_list(0x555592b0f6a0, 24 [pid 7058] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... write resumed>) = 18 [pid 7058] <... futex resumed>) = 1 [pid 7056] <... futex resumed>) = 0 [pid 7058] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] <... set_robust_list resumed>) = 0 [pid 7058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... futex resumed>) = 0 [pid 7056] <... futex resumed>) = 0 [pid 7058] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7057] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7056] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7059 [pid 7059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7058] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... prctl resumed>) = 0 [pid 7058] <... futex resumed>) = 0 [pid 7057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7056] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] setpgid(0, 0 [pid 7058] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7056] <... futex resumed>) = 0 [pid 7059] <... setpgid resumed>) = 0 [pid 7057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7056] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7058] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7054] <... io_uring_register resumed>) = 0 [pid 7051] <... mmap resumed>) = 0x7f2f310b2000 [pid 7059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7058] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... mmap resumed>) = 0x7f2f310d3000 [pid 7054] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7051] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7058] <... futex resumed>) = 1 [pid 7057] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7056] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = 0 [pid 7052] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... mprotect resumed>) = 0 [pid 7059] <... openat resumed>) = 3 [pid 7058] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7057] <... mprotect resumed>) = 0 [pid 7056] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] <... futex resumed>) = 0 [pid 7051] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7059] write(3, "1000", 4 [pid 7057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7056] <... futex resumed>) = 0 [pid 7052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7051] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7059] <... write resumed>) = 4 [pid 7057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7056] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7060 attached [pid 7059] close(3 [pid 7057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} executing program [pid 7060] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7059] <... close resumed>) = 0 [pid 7051] <... clone3 resumed> => {parent_tid=[7060]}, 88) = 7060 ./strace-static-x86_64: Process 7061 attached [pid 7060] <... rseq resumed>) = 0 [pid 7059] write(1, "executing program\n", 18 [pid 7051] rt_sigprocmask(SIG_SETMASK, [], [pid 7060] set_robust_list(0x7f2f310d29a0, 24 [pid 7059] <... write resumed>) = 18 [pid 7057] <... clone3 resumed> => {parent_tid=[7061]}, 88) = 7061 [pid 7051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7060] <... set_robust_list resumed>) = 0 [pid 7059] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] rt_sigprocmask(SIG_SETMASK, [], [pid 7051] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7060] rt_sigprocmask(SIG_SETMASK, [], [pid 7059] <... futex resumed>) = 0 [pid 7057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] <... futex resumed>) = 0 [pid 7060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7059] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7051] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] ioctl(3, UFFDIO_REGISTER, NULL [pid 7059] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7057] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7060] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... futex resumed>) = 0 [pid 7060] <... futex resumed>) = 1 [pid 7059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] <... futex resumed>) = 0 [pid 7060] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7057] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... rseq resumed>) = 0 [pid 7059] <... mmap resumed>) = 0x7f2f310d3000 [pid 7054] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = 1 [pid 7059] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7054] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7051] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7061] set_robust_list(0x7f2f310f39a0, 24 [pid 7059] <... mprotect resumed>) = 0 [pid 7054] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7051] <... futex resumed>) = 0 [pid 7054] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7051] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7051] <... futex resumed>) = 0 [pid 7059] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7054] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7051] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... set_robust_list resumed>) = 0 [pid 7061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7059] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7058] <... io_uring_register resumed>) = 0 [pid 7054] <... madvise resumed>) = 0 [pid 7061] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7061] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7061] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7057] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7062 attached [pid 7058] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7059] <... clone3 resumed> => {parent_tid=[7062]}, 88) = 7062 [pid 7056] <... futex resumed>) = 0 [pid 7062] <... rseq resumed>) = 0 [pid 7059] rt_sigprocmask(SIG_SETMASK, [], [pid 7058] <... futex resumed>) = 1 [pid 7057] <... futex resumed>) = 1 [pid 7056] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] set_robust_list(0x7f2f310f39a0, 24 [pid 7059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7058] ioctl(3, UFFDIO_REGISTER, NULL [pid 7057] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7056] <... futex resumed>) = 0 [pid 7054] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] <... set_robust_list resumed>) = 0 [pid 7059] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7056] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] <... futex resumed>) = 1 [pid 7051] <... futex resumed>) = 0 [pid 7062] rt_sigprocmask(SIG_SETMASK, [], [pid 7059] <... futex resumed>) = 0 [pid 7058] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7054] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7061] <... futex resumed>) = 0 [pid 7059] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7058] <... futex resumed>) = 0 [pid 7056] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] exit_group(0 [pid 7062] userfaultfd(UFFD_USER_MODE_ONLY [pid 7061] ioctl(3, UFFDIO_API, NULL [pid 7060] <... futex resumed>) = ? [pid 7058] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7056] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = ? [pid 7051] <... exit_group resumed>) = ? [pid 7062] <... userfaultfd resumed>) = 3 [pid 7061] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7060] +++ exited with 0 +++ [pid 7056] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7055] <... io_uring_register resumed>) = 0 [pid 7054] +++ exited with 0 +++ [pid 7052] <... mmap resumed>) = 0x7f2f310b2000 [pid 7061] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7061] <... futex resumed>) = 1 [pid 7058] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7057] <... futex resumed>) = 0 [pid 7052] <... mprotect resumed>) = 0 [pid 7051] +++ exited with 0 +++ [pid 7061] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7058] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7051, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7062] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7058] <... futex resumed>) = 1 [pid 7057] <... futex resumed>) = 0 [pid 7056] <... futex resumed>) = 0 [pid 7055] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7062] <... futex resumed>) = 1 [pid 7061] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7059] <... futex resumed>) = 0 [pid 7058] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7056] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = 0 [pid 7052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7062] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7056] <... futex resumed>) = 0 [pid 7055] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7063 attached [pid 7062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7061] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7059] <... futex resumed>) = 0 [pid 7058] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7056] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7052] <... clone3 resumed> => {parent_tid=[7063]}, 88) = 7063 [pid 7063] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7062] ioctl(3, UFFDIO_API, NULL [pid 7061] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7052] rt_sigprocmask(SIG_SETMASK, [], [pid 7063] <... rseq resumed>) = 0 [pid 7062] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7061] <... futex resumed>) = 1 [pid 7057] <... futex resumed>) = 0 [pid 7052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7063] set_robust_list(0x7f2f310d29a0, 24 [pid 7062] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7058] <... madvise resumed>) = 0 [pid 7057] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] <... set_robust_list resumed>) = 0 [pid 7062] <... futex resumed>) = 1 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 7058] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... futex resumed>) = 0 [pid 7052] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7063] rt_sigprocmask(SIG_SETMASK, [], [pid 7062] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7061] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7059] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... futex resumed>) = 1 [pid 7057] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7056] <... futex resumed>) = 0 [pid 7052] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 7058] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7056] exit_group(0 [pid 7063] ioctl(3, UFFDIO_REGISTER, NULL [pid 7062] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7059] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7058] <... futex resumed>) = ? [pid 7056] <... exit_group resumed>) = ? [pid 7063] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7062] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7058] +++ exited with 0 +++ [pid 7056] +++ exited with 0 +++ [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7063] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7064 attached [pid 7063] <... futex resumed>) = 1 [pid 7052] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7056, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7064] set_robust_list(0x555592b0f6a0, 24 [pid 7052] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... set_robust_list resumed>) = 0 [pid 7063] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7062] <... futex resumed>) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7055] <... futex resumed>) = 0 [pid 7052] <... futex resumed>) = 1 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7064 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7059] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... restart_syscall resumed>) = 0 [pid 7064] <... prctl resumed>) = 0 [pid 7062] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7064] setpgid(0, 0) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7065 attached [pid 7064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7065] set_robust_list(0x555592b0f6a0, 24 [pid 7064] <... openat resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7065 [pid 7065] <... set_robust_list resumed>) = 0 [pid 7064] write(3, "1000", 4 [pid 7065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7064] <... write resumed>) = 4 [pid 7064] close(3 [pid 7065] <... prctl resumed>) = 0 [pid 7064] <... close resumed>) = 0 executing program [pid 7064] write(1, "executing program\n", 18 [pid 7065] setpgid(0, 0 [pid 7064] <... write resumed>) = 18 [pid 7055] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7065] <... setpgid resumed>) = 0 [pid 7064] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7064] <... futex resumed>) = 0 [pid 7064] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7065] <... openat resumed>) = 3 [pid 7064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7065] write(3, "1000", 4 [pid 7064] <... mmap resumed>) = 0x7f2f310d3000 [pid 7065] <... write resumed>) = 4 [pid 7064] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7065] close(3 [pid 7064] <... mprotect resumed>) = 0 [pid 7065] <... close resumed>) = 0 executing program [pid 7064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7065] write(1, "executing program\n", 18) = 18 [pid 7064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7065] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7065] <... futex resumed>) = 0 [pid 7065] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7059] <... futex resumed>) = 0 [pid 7055] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7064] <... clone3 resumed> => {parent_tid=[7066]}, 88) = 7066 [pid 7065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7064] rt_sigprocmask(SIG_SETMASK, [], [pid 7065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7064] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] <... mmap resumed>) = 0x7f2f310d3000 [pid 7065] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7064] <... futex resumed>) = 0 [pid 7065] <... mprotect resumed>) = 0 [pid 7064] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7066 attached [pid 7061] <... io_uring_register resumed>) = 0 [pid 7059] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7055] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7061] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = 1 [pid 7052] <... futex resumed>) = 0 [pid 7066] <... rseq resumed>) = 0 [pid 7061] <... futex resumed>) = 0 [pid 7055] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] set_robust_list(0x7f2f310f39a0, 24 [pid 7065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7061] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] <... futex resumed>) = 0 [pid 7066] <... set_robust_list resumed>) = 0 [pid 7065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... futex resumed>) = 0 [pid 7055] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7052] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7067 attached [pid 7066] rt_sigprocmask(SIG_SETMASK, [], [pid 7061] ioctl(3, UFFDIO_REGISTER, NULL [pid 7057] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7055] <... madvise resumed>) = 0 [pid 7067] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7065] <... clone3 resumed> => {parent_tid=[7067]}, 88) = 7067 [pid 7061] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7055] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... rseq resumed>) = 0 [pid 7066] userfaultfd(UFFD_USER_MODE_ONLY [pid 7065] rt_sigprocmask(SIG_SETMASK, [], [pid 7061] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = 1 [pid 7052] <... futex resumed>) = 0 [pid 7067] set_robust_list(0x7f2f310f39a0, 24 [pid 7066] <... userfaultfd resumed>) = 3 [pid 7065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7061] <... futex resumed>) = 1 [pid 7057] <... futex resumed>) = 0 [pid 7055] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7067] <... set_robust_list resumed>) = 0 [pid 7066] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] exit_group(0 [pid 7067] rt_sigprocmask(SIG_SETMASK, [], [pid 7066] <... futex resumed>) = 1 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7063] <... futex resumed>) = ? [pid 7057] <... futex resumed>) = 0 [pid 7052] <... exit_group resumed>) = ? [pid 7055] <... futex resumed>) = ? [pid 7067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7066] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7065] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] +++ exited with 0 +++ [pid 7061] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7067] userfaultfd(UFFD_USER_MODE_ONLY [pid 7066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7061] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7055] +++ exited with 0 +++ [pid 7067] <... userfaultfd resumed>) = 3 [pid 7066] ioctl(3, UFFDIO_API, NULL [pid 7064] <... futex resumed>) = 0 [pid 7061] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7067] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7064] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... futex resumed>) = 0 [pid 7057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] +++ exited with 0 +++ [pid 7067] <... futex resumed>) = 1 [pid 7066] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7061] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7052, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7067] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7066] <... futex resumed>) = 0 [pid 7065] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7057] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 7067] ioctl(3, UFFDIO_API, NULL [pid 7066] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7065] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7067] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7066] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7067] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = 1 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7067] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7065] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7066] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7068 attached [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7065] <... futex resumed>) = 0 [pid 7068] set_robust_list(0x555592b0f6a0, 24 [pid 7067] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7062] <... io_uring_register resumed>) = 0 [pid 7065] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7068 [pid 7068] <... set_robust_list resumed>) = 0 [pid 7062] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7062] <... futex resumed>) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7068] <... prctl resumed>) = 0 [pid 7067] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7062] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] setpgid(0, 0 [pid 7067] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 7068] <... setpgid resumed>) = 0 [pid 7067] <... futex resumed>) = 1 [pid 7065] <... futex resumed>) = 0 [pid 7062] ioctl(3, UFFDIO_REGISTER, NULL [pid 7059] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7067] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7065] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7065] <... futex resumed>) = 0 [pid 7065] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7062] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... madvise resumed>) = 0 [pid 7068] <... openat resumed>) = 3 [pid 7061] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] write(3, "1000", 4 [pid 7062] <... futex resumed>) = 1 [pid 7061] <... futex resumed>) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7057] <... futex resumed>) = 0 [pid 7059] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7059] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] exit_group(0 [pid 7068] <... write resumed>) = 4 [pid 7062] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7068] close(3 [pid 7062] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7057] <... exit_group resumed>) = ? [pid 7068] <... close resumed>) = 0 [pid 7061] <... futex resumed>) = ? [pid 7062] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] write(1, "executing program\n", 18executing program [pid 7061] +++ exited with 0 +++ [pid 7057] +++ exited with 0 +++ [pid 7068] <... write resumed>) = 18 [pid 7068] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] <... futex resumed>) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7068] <... futex resumed>) = 0 [pid 7062] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7057, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7068] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7068] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7062] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7059] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7068] <... mmap resumed>) = 0x7f2f310d3000 [pid 7068] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7066] <... io_uring_register resumed>) = 0 [pid 7064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7062] <... madvise resumed>) = 0 [pid 7068] <... mprotect resumed>) = 0 [pid 7064] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7064] <... futex resumed>) = 0 [pid 7068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7066] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7069 attached [pid 7068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7064] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7062] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7070 attached [pid 7069] set_robust_list(0x555592b0f6a0, 24 [pid 7067] <... io_uring_register resumed>) = 0 [pid 7066] <... futex resumed>) = 0 [pid 7065] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... mprotect resumed>) = 0 [pid 7062] <... futex resumed>) = 1 [pid 7059] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7069 [pid 7069] <... set_robust_list resumed>) = 0 [pid 7068] <... clone3 resumed> => {parent_tid=[7070]}, 88) = 7070 [pid 7067] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7065] <... futex resumed>) = 0 [pid 7064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7070] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7062] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] exit_group(0 [pid 7070] <... rseq resumed>) = 0 [pid 7069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7068] rt_sigprocmask(SIG_SETMASK, [], [pid 7067] <... futex resumed>) = 0 [pid 7065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7062] <... futex resumed>) = ? [pid 7059] <... exit_group resumed>) = ? [pid 7070] set_robust_list(0x7f2f310f39a0, 24 [pid 7069] <... prctl resumed>) = 0 [pid 7068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7067] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7071 attached [pid 7070] <... set_robust_list resumed>) = 0 [pid 7069] setpgid(0, 0 [pid 7068] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] <... mmap resumed>) = 0x7f2f310b2000 [pid 7064] <... clone3 resumed> => {parent_tid=[7071]}, 88) = 7071 [pid 7070] rt_sigprocmask(SIG_SETMASK, [], [pid 7069] <... setpgid resumed>) = 0 [pid 7068] <... futex resumed>) = 0 [pid 7065] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7064] rt_sigprocmask(SIG_SETMASK, [], [pid 7070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7068] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7070] userfaultfd(UFFD_USER_MODE_ONLY [pid 7064] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7070] <... userfaultfd resumed>) = 3 [pid 7069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7065] <... mprotect resumed>) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7071] <... rseq resumed>) = 0 [pid 7070] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7062] +++ exited with 0 +++ [pid 7059] +++ exited with 0 +++ [pid 7071] set_robust_list(0x7f2f310d29a0, 24 [pid 7070] <... futex resumed>) = 1 [pid 7069] <... openat resumed>) = 3 [pid 7068] <... futex resumed>) = 0 [pid 7065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7071] <... set_robust_list resumed>) = 0 [pid 7070] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] write(3, "1000", 4 [pid 7068] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7059, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7071] rt_sigprocmask(SIG_SETMASK, [], [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] <... write resumed>) = 4 [pid 7068] <... futex resumed>) = 0 [pid 7065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7070] ioctl(3, UFFDIO_API, NULL [pid 7069] close(3 [pid 7068] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7072 attached [pid 7071] ioctl(3, UFFDIO_REGISTER, NULL [pid 7070] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7072] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7071] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7070] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... close resumed>) = 0 [pid 7065] <... clone3 resumed> => {parent_tid=[7072]}, 88) = 7072 [pid 7072] <... rseq resumed>) = 0 [pid 7071] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7070] <... futex resumed>) = 1 [pid 7069] write(1, "executing program\n", 18 [pid 7068] <... futex resumed>) = 0 [pid 7065] rt_sigprocmask(SIG_SETMASK, [], [pid 7072] set_robust_list(0x7f2f310d29a0, 24 [pid 7071] <... futex resumed>) = 1 [pid 7070] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] <... write resumed>) = 18 [pid 7068] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7072] <... set_robust_list resumed>) = 0 [pid 7071] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... futex resumed>) = 0 [pid 7065] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7072] rt_sigprocmask(SIG_SETMASK, [], [pid 7070] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7069] <... futex resumed>) = 0 [pid 7068] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7066] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 1 [pid 7072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7070] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7069] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7066] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7065] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7072] ioctl(3, UFFDIO_REGISTER, NULL [pid 7070] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7066] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7072] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7070] <... futex resumed>) = 1 [pid 7069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7068] <... futex resumed>) = 0 [pid 7066] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7072] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7068] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] <... futex resumed>) = 1 [pid 7064] <... futex resumed>) = 0 [pid 7066] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7064] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7073 attached [pid 7072] <... futex resumed>) = 1 [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7068] <... futex resumed>) = 0 [pid 7066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7073] set_robust_list(0x555592b0f6a0, 24 [pid 7072] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7070] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7069] <... mmap resumed>) = 0x7f2f310d3000 [pid 7068] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7066] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7065] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7073 [pid 7073] <... set_robust_list resumed>) = 0 [pid 7069] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7067] <... futex resumed>) = 0 [pid 7066] <... madvise resumed>) = 0 [pid 7065] <... futex resumed>) = 1 [pid 7069] <... mprotect resumed>) = 0 [pid 7067] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7065] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7067] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7067] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... prctl resumed>) = 0 [pid 7069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7067] <... futex resumed>) = 1 [pid 7073] setpgid(0, 0 [pid 7067] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7065] <... futex resumed>) = 0 [pid 7069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7066] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = 0 [pid 7066] <... futex resumed>) = 1 [pid 7065] <... futex resumed>) = 1 [pid 7064] <... futex resumed>) = 0 [pid 7067] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7066] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7065] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] exit_group(0 [pid 7073] <... setpgid resumed>) = 0 [pid 7069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}executing program ./strace-static-x86_64: Process 7074 attached [pid 7073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7067] <... madvise resumed>) = 0 [pid 7066] <... futex resumed>) = ? [pid 7064] <... exit_group resumed>) = ? [pid 7074] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7069] <... clone3 resumed> => {parent_tid=[7074]}, 88) = 7074 [pid 7074] <... rseq resumed>) = 0 [pid 7069] rt_sigprocmask(SIG_SETMASK, [], [pid 7074] set_robust_list(0x7f2f310f39a0, 24 [pid 7069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] <... set_robust_list resumed>) = 0 [pid 7069] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] rt_sigprocmask(SIG_SETMASK, [], [pid 7069] <... futex resumed>) = 0 [pid 7074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7073] <... openat resumed>) = 3 [pid 7074] userfaultfd(UFFD_USER_MODE_ONLY [pid 7069] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7073] write(3, "1000", 4 [pid 7074] <... userfaultfd resumed>) = 3 [pid 7073] <... write resumed>) = 4 [pid 7074] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] close(3 [pid 7074] <... futex resumed>) = 1 [pid 7069] <... futex resumed>) = 0 [pid 7074] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] <... close resumed>) = 0 [pid 7069] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7073] write(1, "executing program\n", 18 [pid 7069] <... futex resumed>) = 0 [pid 7074] ioctl(3, UFFDIO_API, NULL [pid 7073] <... write resumed>) = 18 [pid 7069] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7074] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7074] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... futex resumed>) = ? [pid 7067] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] +++ exited with 0 +++ [pid 7074] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7069] <... futex resumed>) = 0 [pid 7074] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7073] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7071] +++ exited with 0 +++ [pid 7069] <... futex resumed>) = 0 [pid 7067] <... futex resumed>) = 1 [pid 7065] <... futex resumed>) = 0 [pid 7064] +++ exited with 0 +++ [pid 7069] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7067] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7065] exit_group(0 [pid 7073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7067] <... futex resumed>) = ? [pid 7065] <... exit_group resumed>) = ? [pid 7067] +++ exited with 0 +++ [pid 7074] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7064, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7072] <... futex resumed>) = ? [pid 7074] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7074] <... futex resumed>) = 1 [pid 7073] <... mmap resumed>) = 0x7f2f310d3000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7074] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7069] <... futex resumed>) = 0 [pid 7069] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7074] <... futex resumed>) = 0 [pid 7073] <... mprotect resumed>) = 0 [pid 7069] <... futex resumed>) = 1 [pid 7074] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7072] +++ exited with 0 +++ [pid 7069] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] +++ exited with 0 +++ [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7075 ./strace-static-x86_64: Process 7075 attached [pid 7073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7075] set_robust_list(0x555592b0f6a0, 24 [pid 7073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7065, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7075] <... set_robust_list resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7076 attached [pid 7068] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... clone3 resumed> => {parent_tid=[7076]}, 88) = 7076 [pid 7076] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7073] rt_sigprocmask(SIG_SETMASK, [], [pid 7068] <... futex resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7076] set_robust_list(0x7f2f310f39a0, 24 [pid 7073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7075] setpgid(0, 0) = 0 [pid 7076] <... set_robust_list resumed>) = 0 [pid 7075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7073] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] rt_sigprocmask(SIG_SETMASK, [], [pid 7073] <... futex resumed>) = 0 [pid 7076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7073] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] userfaultfd(UFFD_USER_MODE_ONLY [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7077 ./strace-static-x86_64: Process 7077 attached [pid 7076] <... userfaultfd resumed>) = 3 [pid 7075] <... openat resumed>) = 3 [pid 7077] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7070] <... io_uring_register resumed>) = 0 [pid 7076] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... mmap resumed>) = 0x7f2f310b2000 [pid 7070] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7070] <... futex resumed>) = 0 [pid 7068] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7076] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7073] <... futex resumed>) = 0 [pid 7068] <... mprotect resumed>) = 0 [pid 7077] <... prctl resumed>) = 0 [pid 7076] ioctl(3, UFFDIO_API, NULL [pid 7073] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7077] setpgid(0, 0 [pid 7075] write(3, "1000", 4 [pid 7068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7077] <... setpgid resumed>) = 0 [pid 7075] <... write resumed>) = 4 [pid 7077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7076] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7075] close(3 [pid 7068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7077] <... openat resumed>) = 3 [pid 7076] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... close resumed>) = 0 [pid 7068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7076] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7073] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program ./strace-static-x86_64: Process 7078 attached [pid 7077] write(3, "1000", 4 [pid 7076] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7075] write(1, "executing program\n", 18 [pid 7073] <... futex resumed>) = 0 [pid 7077] <... write resumed>) = 4 [pid 7075] <... write resumed>) = 18 [pid 7073] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7068] <... clone3 resumed> => {parent_tid=[7078]}, 88) = 7078 [pid 7077] close(3executing program [pid 7075] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... close resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7077] write(1, "executing program\n", 18 [pid 7076] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7075] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7068] rt_sigprocmask(SIG_SETMASK, [], [pid 7077] <... write resumed>) = 18 [pid 7075] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7078] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7077] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7078] <... rseq resumed>) = 0 [pid 7077] <... futex resumed>) = 0 [pid 7075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7068] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] set_robust_list(0x7f2f310d29a0, 24 [pid 7077] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7068] <... futex resumed>) = 0 [pid 7078] <... set_robust_list resumed>) = 0 [pid 7077] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7076] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... mmap resumed>) = 0x7f2f310d3000 [pid 7068] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7078] rt_sigprocmask(SIG_SETMASK, [], [pid 7077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7075] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7078] ioctl(3, UFFDIO_REGISTER, NULL [pid 7077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7076] <... futex resumed>) = 1 [pid 7075] <... mprotect resumed>) = 0 [pid 7073] <... futex resumed>) = 0 [pid 7078] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7075] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7073] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... futex resumed>) = 0 [pid 7076] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7078] <... futex resumed>) = 1 [pid 7073] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7068] <... futex resumed>) = 0 [pid 7068] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] <... mmap resumed>) = 0x7f2f310d3000 [pid 7075] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7077] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7079 attached [pid 7077] <... mprotect resumed>) = 0 [pid 7079] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7077] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7075] <... clone3 resumed> => {parent_tid=[7079]}, 88) = 7079 [pid 7079] <... rseq resumed>) = 0 [pid 7077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7075] rt_sigprocmask(SIG_SETMASK, [], [pid 7079] set_robust_list(0x7f2f310f39a0, 24 [pid 7077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7075] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7080 attached [pid 7079] <... set_robust_list resumed>) = 0 [pid 7075] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7079] rt_sigprocmask(SIG_SETMASK, [], [pid 7077] <... clone3 resumed> => {parent_tid=[7080]}, 88) = 7080 [pid 7075] <... futex resumed>) = 0 [pid 7080] <... rseq resumed>) = 0 [pid 7079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7077] rt_sigprocmask(SIG_SETMASK, [], [pid 7075] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] set_robust_list(0x7f2f310f39a0, 24 [pid 7079] userfaultfd(UFFD_USER_MODE_ONLY [pid 7077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7080] <... set_robust_list resumed>) = 0 [pid 7079] <... userfaultfd resumed>) = 3 [pid 7077] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] rt_sigprocmask(SIG_SETMASK, [], [pid 7079] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... futex resumed>) = 0 [pid 7080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7077] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] <... futex resumed>) = 0 [pid 7080] userfaultfd(UFFD_USER_MODE_ONLY [pid 7079] <... futex resumed>) = 1 [pid 7075] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... userfaultfd resumed>) = 3 [pid 7079] ioctl(3, UFFDIO_API, NULL [pid 7075] <... futex resumed>) = 0 [pid 7070] <... futex resumed>) = 0 [pid 7068] <... futex resumed>) = 1 [pid 7068] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7070] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7080] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7075] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... futex resumed>) = 1 [pid 7079] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7080] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] <... futex resumed>) = 0 [pid 7077] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7079] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7077] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7080] ioctl(3, UFFDIO_API, NULL [pid 7079] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7077] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7080] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7077] <... futex resumed>) = 0 [pid 7080] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7077] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7077] <... futex resumed>) = 0 [pid 7070] <... futex resumed>) = 1 [pid 7068] <... futex resumed>) = 0 [pid 7077] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7079] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7075] <... futex resumed>) = 0 [pid 7079] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7075] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7068] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7080] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7077] <... futex resumed>) = 0 [pid 7077] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... futex resumed>) = 0 [pid 7070] <... madvise resumed>) = 0 [pid 7069] <... futex resumed>) = 0 [pid 7068] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7070] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7070] <... futex resumed>) = 0 [pid 7068] exit_group(0 [pid 7078] <... futex resumed>) = ? [pid 7068] <... exit_group resumed>) = ? [pid 7078] +++ exited with 0 +++ [pid 7073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7070] +++ exited with 0 +++ [pid 7068] +++ exited with 0 +++ [pid 7073] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7068, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7081 attached [pid 7081] set_robust_list(0x555592b0f6a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7081 [pid 7081] <... set_robust_list resumed>) = 0 [pid 7081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7081] setpgid(0, 0) = 0 [pid 7081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7081] <... openat resumed>) = 3 [pid 7075] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] write(3, "1000", 4) = 4 [pid 7075] <... futex resumed>) = 0 [pid 7069] <... mmap resumed>) = 0x7f2f310b2000 [pid 7081] close(3 [pid 7075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7069] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7081] <... close resumed>) = 0 executing program [pid 7081] write(1, "executing program\n", 18 [pid 7069] <... mprotect resumed>) = 0 [pid 7081] <... write resumed>) = 18 [pid 7074] <... io_uring_register resumed>) = 0 [pid 7081] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7077] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] <... futex resumed>) = 0 [pid 7077] <... futex resumed>) = 0 [pid 7069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7081] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7081] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7082 attached [pid 7081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7074] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... mmap resumed>) = 0x7f2f310b2000 [pid 7082] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] <... futex resumed>) = 0 [pid 7073] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7069] <... clone3 resumed> => {parent_tid=[7082]}, 88) = 7082 [pid 7082] <... rseq resumed>) = 0 [pid 7081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7074] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] set_robust_list(0x7f2f310d29a0, 24 [pid 7073] <... mprotect resumed>) = 0 [pid 7082] <... set_robust_list resumed>) = 0 [pid 7081] <... mmap resumed>) = 0x7f2f310d3000 [pid 7069] rt_sigprocmask(SIG_SETMASK, [], [pid 7082] rt_sigprocmask(SIG_SETMASK, [], [pid 7081] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7073] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7081] <... mprotect resumed>) = 0 [pid 7073] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7069] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7076] <... io_uring_register resumed>) = 0 [pid 7075] <... mmap resumed>) = 0x7f2f310b2000 [pid 7073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7069] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7083 attached [pid 7082] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7076] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7069] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7083] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7082] <... futex resumed>) = 0 [pid 7081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7076] <... futex resumed>) = 0 [pid 7075] <... mprotect resumed>) = 0 [pid 7073] <... clone3 resumed> => {parent_tid=[7083]}, 88) = 7083 [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7083] <... rseq resumed>) = 0 [pid 7082] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7076] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7075] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7073] rt_sigprocmask(SIG_SETMASK, [], [pid 7069] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] set_robust_list(0x7f2f310d29a0, 24 [pid 7081] <... clone3 resumed> => {parent_tid=[7084]}, 88) = 7084 [pid 7075] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7074] <... futex resumed>) = 0 [pid 7073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7069] <... futex resumed>) = 1 [pid 7083] <... set_robust_list resumed>) = 0 [pid 7081] rt_sigprocmask(SIG_SETMASK, [], [pid 7075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7074] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7073] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7085 attached ./strace-static-x86_64: Process 7084 attached [pid 7083] rt_sigprocmask(SIG_SETMASK, [], [pid 7081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7073] <... futex resumed>) = 0 [pid 7085] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7084] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7081] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... clone3 resumed> => {parent_tid=[7085]}, 88) = 7085 [pid 7074] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7085] <... rseq resumed>) = 0 [pid 7084] <... rseq resumed>) = 0 [pid 7083] ioctl(3, UFFDIO_REGISTER, NULL [pid 7081] <... futex resumed>) = 0 [pid 7079] <... io_uring_register resumed>) = 0 [pid 7077] <... mmap resumed>) = 0x7f2f310b2000 [pid 7075] rt_sigprocmask(SIG_SETMASK, [], [pid 7074] <... futex resumed>) = 1 [pid 7069] <... futex resumed>) = 0 [pid 7085] set_robust_list(0x7f2f310d29a0, 24 [pid 7084] set_robust_list(0x7f2f310f39a0, 24 [pid 7083] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7081] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7079] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... set_robust_list resumed>) = 0 [pid 7084] <... set_robust_list resumed>) = 0 [pid 7083] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... io_uring_register resumed>) = 0 [pid 7079] <... futex resumed>) = 0 [pid 7077] <... mprotect resumed>) = 0 [pid 7075] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] <... futex resumed>) = 0 [pid 7085] rt_sigprocmask(SIG_SETMASK, [], [pid 7084] rt_sigprocmask(SIG_SETMASK, [], [pid 7083] <... futex resumed>) = 1 [pid 7080] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7075] <... futex resumed>) = 0 [pid 7074] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7073] <... futex resumed>) = 0 [pid 7069] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7083] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7080] <... futex resumed>) = 0 [pid 7077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7075] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7084] userfaultfd(UFFD_USER_MODE_ONLY [pid 7080] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7086 attached [pid 7084] <... userfaultfd resumed>) = 3 [pid 7086] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7084] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... clone3 resumed> => {parent_tid=[7086]}, 88) = 7086 [pid 7086] <... rseq resumed>) = 0 [pid 7085] ioctl(3, UFFDIO_REGISTER, NULL [pid 7084] <... futex resumed>) = 1 [pid 7081] <... futex resumed>) = 0 [pid 7077] rt_sigprocmask(SIG_SETMASK, [], [pid 7074] <... madvise resumed>) = 0 [pid 7073] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7086] set_robust_list(0x7f2f310d29a0, 24 [pid 7085] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7084] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7081] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... futex resumed>) = 1 [pid 7076] <... futex resumed>) = 0 [pid 7086] <... set_robust_list resumed>) = 0 [pid 7085] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] <... futex resumed>) = 0 [pid 7077] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7074] <... futex resumed>) = 1 [pid 7073] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] <... futex resumed>) = 0 [pid 7086] rt_sigprocmask(SIG_SETMASK, [], [pid 7085] <... futex resumed>) = 1 [pid 7084] ioctl(3, UFFDIO_API, NULL [pid 7081] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7077] <... futex resumed>) = 0 [pid 7076] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7075] <... futex resumed>) = 0 [pid 7074] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7085] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7084] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7077] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] exit_group(0 [pid 7086] ioctl(3, UFFDIO_REGISTER, NULL [pid 7084] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 1 [pid 7075] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7086] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7084] <... futex resumed>) = 1 [pid 7082] <... futex resumed>) = ? [pid 7081] <... futex resumed>) = 0 [pid 7079] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7076] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7075] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7074] <... futex resumed>) = ? [pid 7073] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... exit_group resumed>) = ? [pid 7086] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] +++ exited with 0 +++ [pid 7081] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7074] +++ exited with 0 +++ [pid 7073] <... futex resumed>) = 0 [pid 7086] <... futex resumed>) = 1 [pid 7084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] <... futex resumed>) = 0 [pid 7079] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... futex resumed>) = 0 [pid 7076] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7073] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7086] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7084] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7081] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7079] <... futex resumed>) = 1 [pid 7077] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... futex resumed>) = 0 [pid 7069] +++ exited with 0 +++ [pid 7084] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7080] <... futex resumed>) = 0 [pid 7079] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] <... futex resumed>) = 1 [pid 7075] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7069, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7084] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] <... madvise resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7084] <... futex resumed>) = 1 [pid 7081] <... futex resumed>) = 0 [pid 7080] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7075] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7084] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7080] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7080] <... futex resumed>) = 1 [pid 7077] <... futex resumed>) = 0 [pid 7076] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = 1 [pid 7080] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7081] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7080] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7077] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7080] <... madvise resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7079] <... madvise resumed>) = 0 [pid 7073] exit_group(0 [pid 7079] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... exit_group resumed>) = ? [pid 7083] <... futex resumed>) = ? [pid 7079] <... futex resumed>) = 1 [pid 7075] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7087 ./strace-static-x86_64: Process 7087 attached [pid 7083] +++ exited with 0 +++ [pid 7079] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7075] exit_group(0) = ? [pid 7085] <... futex resumed>) = ? [pid 7079] <... futex resumed>) = ? [pid 7087] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7079] +++ exited with 0 +++ [pid 7076] <... futex resumed>) = ? [pid 7087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7076] +++ exited with 0 +++ [pid 7073] +++ exited with 0 +++ [pid 7087] <... prctl resumed>) = 0 [pid 7087] setpgid(0, 0) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7073, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7085] +++ exited with 0 +++ [pid 7075] +++ exited with 0 +++ [pid 7087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7087] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7075, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7087] write(3, "1000", 4) = 4 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7088 attached [pid 7087] close(3) = 0 executing program [pid 7088] set_robust_list(0x555592b0f6a0, 24 [pid 7087] write(1, "executing program\n", 18 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7088 [pid 7088] <... set_robust_list resumed>) = 0 [pid 7087] <... write resumed>) = 18 [pid 7087] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7087] <... futex resumed>) = 0 [pid 7080] <... futex resumed>) = 1 [pid 7077] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7088] <... prctl resumed>) = 0 [pid 7087] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7080] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] exit_group(0 [pid 7088] setpgid(0, 0 [pid 7087] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7086] <... futex resumed>) = ? [pid 7080] <... futex resumed>) = ? [pid 7077] <... exit_group resumed>) = ? [pid 7088] <... setpgid resumed>) = 0 [pid 7087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7086] +++ exited with 0 +++ [pid 7080] +++ exited with 0 +++ [pid 7077] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7077, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7089 attached [pid 7088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7087] <... mmap resumed>) = 0x7f2f310d3000 [pid 7089] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7089] setpgid(0, 0) = 0 [pid 7089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7089] write(3, "1000", 4) = 4 [pid 7089] close(3) = 0 [pid 7089] write(1, "executing program\n", 18 [pid 7087] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 7089] <... write resumed>) = 18 [pid 7088] <... openat resumed>) = 3 [pid 7087] <... mprotect resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7089 [pid 7088] write(3, "1000", 4) = 4 [pid 7087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7088] close(3) = 0 [pid 7089] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] write(1, "executing program\n", 18 [pid 7089] <... futex resumed>) = 0 [pid 7089] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 executing program [pid 7089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7088] <... write resumed>) = 18 [pid 7089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7088] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7089] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7088] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7090 attached [pid 7090] set_robust_list(0x555592b0f6a0, 24 [pid 7089] <... mprotect resumed>) = 0 [pid 7088] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7090 [pid 7090] <... set_robust_list resumed>) = 0 [pid 7088] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7091 attached [pid 7090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7091] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7090] <... prctl resumed>) = 0 [pid 7089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7087] <... clone3 resumed> => {parent_tid=[7091]}, 88) = 7091 [pid 7081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7092 attached [pid 7091] <... rseq resumed>) = 0 [pid 7090] setpgid(0, 0 [pid 7088] <... mmap resumed>) = 0x7f2f310d3000 [pid 7087] rt_sigprocmask(SIG_SETMASK, [], [pid 7081] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7091] set_robust_list(0x7f2f310f39a0, 24 [pid 7090] <... setpgid resumed>) = 0 [pid 7089] <... clone3 resumed> => {parent_tid=[7092]}, 88) = 7092 [pid 7088] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7081] <... futex resumed>) = 0 [pid 7092] <... rseq resumed>) = 0 [pid 7091] <... set_robust_list resumed>) = 0 [pid 7090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7089] rt_sigprocmask(SIG_SETMASK, [], [pid 7088] <... mprotect resumed>) = 0 [pid 7087] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7092] set_robust_list(0x7f2f310f39a0, 24 [pid 7091] rt_sigprocmask(SIG_SETMASK, [], [pid 7090] <... openat resumed>) = 3 [pid 7089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7092] <... set_robust_list resumed>) = 0 [pid 7091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7089] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7087] <... futex resumed>) = 0 [pid 7092] rt_sigprocmask(SIG_SETMASK, [], [pid 7091] userfaultfd(UFFD_USER_MODE_ONLY [pid 7090] write(3, "1000", 4 [pid 7089] <... futex resumed>) = 0 [pid 7087] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7091] <... userfaultfd resumed>) = 3 [pid 7090] <... write resumed>) = 4 [pid 7089] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7092] userfaultfd(UFFD_USER_MODE_ONLY [pid 7091] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] close(3./strace-static-x86_64: Process 7093 attached [pid 7092] <... userfaultfd resumed>) = 3 [pid 7091] <... futex resumed>) = 1 [pid 7090] <... close resumed>) = 0 [pid 7087] <... futex resumed>) = 0 [pid 7084] <... io_uring_register resumed>) = 0 [pid 7081] <... mmap resumed>) = 0x7f2f310b2000 [pid 7092] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] write(1, "executing program\n", 18 [pid 7087] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7093] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053executing program [pid 7092] <... futex resumed>) = 1 [pid 7089] <... futex resumed>) = 0 [pid 7088] <... clone3 resumed> => {parent_tid=[7093]}, 88) = 7093 [pid 7087] <... futex resumed>) = 0 [pid 7093] <... rseq resumed>) = 0 [pid 7092] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7090] <... write resumed>) = 18 [pid 7089] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] rt_sigprocmask(SIG_SETMASK, [], [pid 7087] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] <... mprotect resumed>) = 0 [pid 7093] set_robust_list(0x7f2f310f39a0, 24 [pid 7092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7091] ioctl(3, UFFDIO_API, NULL [pid 7090] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] <... futex resumed>) = 0 [pid 7088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7093] <... set_robust_list resumed>) = 0 [pid 7092] ioctl(3, UFFDIO_API, NULL [pid 7091] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7090] <... futex resumed>) = 0 [pid 7089] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7093] rt_sigprocmask(SIG_SETMASK, [], [pid 7092] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7091] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7088] <... futex resumed>) = 0 [pid 7084] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7092] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] <... futex resumed>) = 1 [pid 7090] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7088] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] <... futex resumed>) = 0 [pid 7081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7092] <... futex resumed>) = 1 [pid 7091] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7089] <... futex resumed>) = 0 [pid 7087] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7089] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7094 attached [pid 7092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7089] <... futex resumed>) = 0 [pid 7087] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7094] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7090] <... mmap resumed>) = 0x7f2f310d3000 [pid 7089] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7092] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7081] <... clone3 resumed> => {parent_tid=[7094]}, 88) = 7094 [pid 7094] <... rseq resumed>) = 0 [pid 7093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7091] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7090] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7084] <... futex resumed>) = 0 [pid 7081] rt_sigprocmask(SIG_SETMASK, [], [pid 7094] set_robust_list(0x7f2f310d29a0, 24 [pid 7093] userfaultfd(UFFD_USER_MODE_ONLY [pid 7092] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7091] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7090] <... mprotect resumed>) = 0 [pid 7084] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7094] <... set_robust_list resumed>) = 0 [pid 7093] <... userfaultfd resumed>) = 3 [pid 7092] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7081] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] rt_sigprocmask(SIG_SETMASK, [], [pid 7093] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] <... futex resumed>) = 1 [pid 7091] <... futex resumed>) = 1 [pid 7090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7089] <... futex resumed>) = 0 [pid 7087] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = 0 [pid 7094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7093] <... futex resumed>) = 1 [pid 7092] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7089] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = 0 [pid 7087] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7094] ioctl(3, UFFDIO_REGISTER, NULL [pid 7093] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7089] <... futex resumed>) = 0 [pid 7088] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7095 attached [pid 7094] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7091] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7089] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... futex resumed>) = 0 [pid 7087] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7094] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7093] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7093] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] <... clone3 resumed> => {parent_tid=[7095]}, 88) = 7095 [pid 7095] <... rseq resumed>) = 0 [pid 7094] <... futex resumed>) = 1 [pid 7090] rt_sigprocmask(SIG_SETMASK, [], [pid 7088] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] <... futex resumed>) = 0 [pid 7095] set_robust_list(0x7f2f310f39a0, 24 [pid 7094] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... set_robust_list resumed>) = 0 [pid 7090] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = 1 [pid 7095] rt_sigprocmask(SIG_SETMASK, [], [pid 7090] <... futex resumed>) = 0 [pid 7088] <... futex resumed>) = 1 [pid 7081] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7090] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7095] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7090] <... futex resumed>) = 0 [pid 7084] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7095] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7090] <... futex resumed>) = 0 [pid 7095] ioctl(3, UFFDIO_API, NULL [pid 7090] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7095] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = 0 [pid 7084] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7095] <... futex resumed>) = 1 [pid 7090] <... futex resumed>) = 0 [pid 7095] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7093] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7090] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] <... futex resumed>) = 0 [pid 7093] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7084] <... futex resumed>) = 1 [pid 7081] <... futex resumed>) = 0 [pid 7093] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7095] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7090] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = 1 [pid 7088] <... futex resumed>) = 0 [pid 7084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] <... futex resumed>) = 0 [pid 7093] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7084] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7081] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7088] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... futex resumed>) = 1 [pid 7090] <... futex resumed>) = 0 [pid 7088] <... futex resumed>) = 0 [pid 7095] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7090] <... futex resumed>) = 0 [pid 7095] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7090] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7084] <... madvise resumed>) = 0 [pid 7084] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7084] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7081] <... futex resumed>) = 0 [pid 7081] exit_group(0) = ? [pid 7094] <... futex resumed>) = ? [pid 7094] +++ exited with 0 +++ [pid 7084] <... futex resumed>) = ? [pid 7084] +++ exited with 0 +++ [pid 7081] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7081, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7087] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7087] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7087] <... futex resumed>) = 0 [pid 7087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7089] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7096 attached [pid 7091] <... io_uring_register resumed>) = 0 [pid 7087] <... mmap resumed>) = 0x7f2f310b2000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7096 [pid 7091] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7091] <... futex resumed>) = 0 [pid 7096] set_robust_list(0x555592b0f6a0, 24 [pid 7095] <... io_uring_register resumed>) = 0 [pid 7091] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7088] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7087] <... mprotect resumed>) = 0 [pid 7096] <... set_robust_list resumed>) = 0 [pid 7095] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7095] <... futex resumed>) = 0 [pid 7090] <... futex resumed>) = 0 [pid 7088] <... futex resumed>) = 0 [pid 7087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7096] <... prctl resumed>) = 0 [pid 7095] ioctl(3, UFFDIO_REGISTER, NULL [pid 7090] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7096] setpgid(0, 0 [pid 7095] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7097 attached [pid 7096] <... setpgid resumed>) = 0 [pid 7095] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7095] <... futex resumed>) = 1 [pid 7090] <... futex resumed>) = 0 [pid 7087] <... clone3 resumed> => {parent_tid=[7097]}, 88) = 7097 [pid 7097] set_robust_list(0x7f2f310d29a0, 24 [pid 7090] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] rt_sigprocmask(SIG_SETMASK, [], [pid 7097] <... set_robust_list resumed>) = 0 [pid 7095] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7090] <... futex resumed>) = 0 [pid 7087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7097] rt_sigprocmask(SIG_SETMASK, [], [pid 7090] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7096] <... openat resumed>) = 3 [pid 7095] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7087] <... futex resumed>) = 0 [pid 7097] ioctl(3, UFFDIO_REGISTER, NULL [pid 7095] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7097] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] write(3, "1000", 4 [pid 7095] <... futex resumed>) = 1 [pid 7092] <... io_uring_register resumed>) = 0 [pid 7090] <... futex resumed>) = 0 [pid 7089] <... mmap resumed>) = 0x7f2f310b2000 [pid 7097] <... futex resumed>) = 1 [pid 7096] <... write resumed>) = 4 [pid 7095] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7087] <... futex resumed>) = 0 [pid 7097] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] close(3 [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7093] <... io_uring_register resumed>) = 0 [pid 7092] <... futex resumed>) = 0 [pid 7090] <... futex resumed>) = 0 [pid 7089] <... mprotect resumed>) = 0 [pid 7088] <... mmap resumed>) = 0x7f2f310b2000 [pid 7087] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] <... close resumed>) = 0 [pid 7095] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7092] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] <... futex resumed>) = 0 [pid 7090] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7088] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7087] <... futex resumed>) = 1 [pid 7096] write(1, "executing program\n", 18 [pid 7089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7087] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7091] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7088] <... mprotect resumed>) = 0 executing program [pid 7093] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7098 attached [pid 7096] <... write resumed>) = 18 [pid 7095] <... madvise resumed>) = 0 [pid 7093] <... futex resumed>) = 0 [pid 7091] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7098] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7096] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] <... clone3 resumed> => {parent_tid=[7098]}, 88) = 7098 [pid 7088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7098] <... rseq resumed>) = 0 [pid 7096] <... futex resumed>) = 0 [pid 7095] <... futex resumed>) = 1 [pid 7091] <... futex resumed>) = 1 [pid 7090] <... futex resumed>) = 0 [pid 7089] rt_sigprocmask(SIG_SETMASK, [], [pid 7088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7087] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7099 attached [pid 7098] set_robust_list(0x7f2f310d29a0, 24 [pid 7096] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7095] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] exit_group(0 [pid 7089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7087] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7098] <... set_robust_list resumed>) = 0 [pid 7096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7095] <... futex resumed>) = ? [pid 7091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7090] <... exit_group resumed>) = ? [pid 7089] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... clone3 resumed> => {parent_tid=[7099]}, 88) = 7099 [pid 7087] <... futex resumed>) = 0 [pid 7099] <... rseq resumed>) = 0 [pid 7098] rt_sigprocmask(SIG_SETMASK, [], [pid 7096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7091] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7089] <... futex resumed>) = 0 [pid 7088] rt_sigprocmask(SIG_SETMASK, [], [pid 7087] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7099] set_robust_list(0x7f2f310d29a0, 24 [pid 7098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7089] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7099] <... set_robust_list resumed>) = 0 [pid 7098] ioctl(3, UFFDIO_REGISTER, NULL [pid 7096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7095] +++ exited with 0 +++ [pid 7090] +++ exited with 0 +++ [pid 7091] <... madvise resumed>) = 0 [pid 7088] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] rt_sigprocmask(SIG_SETMASK, [], [pid 7098] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7096] <... mmap resumed>) = 0x7f2f310d3000 [pid 7088] <... futex resumed>) = 0 [pid 7098] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] ioctl(3, UFFDIO_REGISTER, NULL [pid 7096] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7088] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7098] <... futex resumed>) = 1 [pid 7096] <... mprotect resumed>) = 0 [pid 7089] <... futex resumed>) = 0 [pid 7099] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7098] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7099] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7089] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7090, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7099] <... futex resumed>) = 1 [pid 7096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7089] <... futex resumed>) = 1 [pid 7088] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7099] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7092] <... futex resumed>) = 0 [pid 7089] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7100 attached [pid 7093] <... futex resumed>) = 0 [pid 7092] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7091] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = 1 [pid 7100] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7096] <... clone3 resumed> => {parent_tid=[7100]}, 88) = 7100 [pid 7093] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7092] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7091] <... futex resumed>) = 1 [pid 7088] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] <... futex resumed>) = 0 [pid 7100] <... rseq resumed>) = 0 [pid 7096] rt_sigprocmask(SIG_SETMASK, [], [pid 7093] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7092] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] exit_group(0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7101 attached [pid 7100] set_robust_list(0x7f2f310f39a0, 24 [pid 7097] <... futex resumed>) = ? [pid 7096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7093] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] <... futex resumed>) = 1 [pid 7091] <... futex resumed>) = ? [pid 7089] <... futex resumed>) = 0 [pid 7087] <... exit_group resumed>) = ? [pid 7101] set_robust_list(0x555592b0f6a0, 24 [pid 7100] <... set_robust_list resumed>) = 0 [pid 7097] +++ exited with 0 +++ [pid 7096] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = 1 [pid 7092] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] +++ exited with 0 +++ [pid 7089] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = 0 [pid 7087] +++ exited with 0 +++ [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7101 [pid 7101] <... set_robust_list resumed>) = 0 [pid 7100] rt_sigprocmask(SIG_SETMASK, [], [pid 7096] <... futex resumed>) = 0 [pid 7093] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7089] <... futex resumed>) = 0 [pid 7088] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7087, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7096] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7089] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7101] <... prctl resumed>) = 0 [pid 7100] userfaultfd(UFFD_USER_MODE_ONLY [pid 7093] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7088] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7101] setpgid(0, 0 [pid 7100] <... userfaultfd resumed>) = 3 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7101] <... setpgid resumed>) = 0 [pid 7100] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7100] <... futex resumed>) = 1 [pid 7096] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7102 attached [pid 7101] <... openat resumed>) = 3 [pid 7100] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] set_robust_list(0x555592b0f6a0, 24 [pid 7101] write(3, "1000", 4 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7096] <... futex resumed>) = 0 [pid 7093] <... madvise resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7102 [pid 7102] <... set_robust_list resumed>) = 0 [pid 7101] <... write resumed>) = 4 [pid 7100] ioctl(3, UFFDIO_API, NULL [pid 7096] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7092] <... madvise resumed>) = 0 [pid 7102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7101] close(3 [pid 7100] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7093] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] <... prctl resumed>) = 0 [pid 7101] <... close resumed>) = 0 [pid 7100] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = 1 [pid 7088] <... futex resumed>) = 0 executing program [pid 7102] setpgid(0, 0 [pid 7101] write(1, "executing program\n", 18 [pid 7100] <... futex resumed>) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7093] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] exit_group(0 [pid 7102] <... setpgid resumed>) = 0 [pid 7101] <... write resumed>) = 18 [pid 7100] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7099] <... futex resumed>) = ? [pid 7096] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = ? [pid 7092] <... futex resumed>) = 1 [pid 7089] <... futex resumed>) = 0 [pid 7088] <... exit_group resumed>) = ? [pid 7102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7101] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7099] +++ exited with 0 +++ [pid 7096] <... futex resumed>) = 0 [pid 7093] +++ exited with 0 +++ [pid 7092] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7089] exit_group(0 [pid 7101] <... futex resumed>) = 0 [pid 7100] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7098] <... futex resumed>) = ? [pid 7096] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7092] <... futex resumed>) = ? [pid 7089] <... exit_group resumed>) = ? [pid 7102] <... openat resumed>) = 3 [pid 7101] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7100] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7098] +++ exited with 0 +++ [pid 7092] +++ exited with 0 +++ [pid 7088] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7088, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7102] write(3, "1000", 4 [pid 7101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7100] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] +++ exited with 0 +++ [pid 7101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5835] <... restart_syscall resumed>) = 0 [pid 7101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7100] <... futex resumed>) = 1 [pid 7096] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7089, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7100] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] <... write resumed>) = 4 [pid 7101] <... mmap resumed>) = 0x7f2f310d3000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7096] <... futex resumed>) = 0 [pid 7102] close(3 [pid 7101] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7100] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7096] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7102] <... close resumed>) = 0 [pid 7101] <... mprotect resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7103 attached [pid 7101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7102] write(1, "executing program\n", 18) = 18 [pid 7102] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7102] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7103 [pid 7102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7102] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7102] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 7104 attached [pid 7103] set_robust_list(0x555592b0f6a0, 24 [pid 7101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7104] set_robust_list(0x555592b0f6a0, 24 [pid 7103] <... set_robust_list resumed>) = 0 [pid 7103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7104 [pid 7103] <... prctl resumed>) = 0 [pid 7104] <... set_robust_list resumed>) = 0 [pid 7103] setpgid(0, 0 [pid 7102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7103] <... setpgid resumed>) = 0 [pid 7104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7102] <... clone3 resumed> => {parent_tid=[7105]}, 88) = 7105 ./strace-static-x86_64: Process 7106 attached ./strace-static-x86_64: Process 7105 attached [pid 7103] write(3, "1000", 4 [pid 7104] <... prctl resumed>) = 0 [pid 7102] rt_sigprocmask(SIG_SETMASK, [], [pid 7104] setpgid(0, 0 [pid 7102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7104] <... setpgid resumed>) = 0 [pid 7102] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7102] <... futex resumed>) = 0 [pid 7104] <... openat resumed>) = 3 [pid 7102] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7104] write(3, "1000", 4) = 4 [pid 7104] close(3) = 0 executing program [pid 7104] write(1, "executing program\n", 18) = 18 [pid 7104] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 7103] <... write resumed>) = 4 [pid 7101] <... clone3 resumed> => {parent_tid=[7106]}, 88) = 7106 [pid 7106] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7105] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7106] <... rseq resumed>) = 0 [pid 7105] <... rseq resumed>) = 0 [pid 7106] set_robust_list(0x7f2f310f39a0, 24 [pid 7105] set_robust_list(0x7f2f310f39a0, 24 [pid 7103] close(3 [pid 7101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7103] <... close resumed>) = 0 [pid 7101] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... set_robust_list resumed>) = 0 [pid 7105] <... set_robust_list resumed>) = 0 [pid 7103] write(1, "executing program\n", 18 [pid 7101] <... futex resumed>) = 0 [pid 7105] rt_sigprocmask(SIG_SETMASK, [], [pid 7104] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7103] <... write resumed>) = 18 [pid 7101] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] rt_sigprocmask(SIG_SETMASK, [], [pid 7105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7104] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7103] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7105] userfaultfd(UFFD_USER_MODE_ONLY [pid 7104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7103] <... futex resumed>) = 0 [pid 7106] userfaultfd(UFFD_USER_MODE_ONLY [pid 7105] <... userfaultfd resumed>) = 3 [pid 7104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7103] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7106] <... userfaultfd resumed>) = 3 [pid 7105] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7104] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7106] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... futex resumed>) = 1 [pid 7102] <... futex resumed>) = 0 [pid 7103] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7106] <... futex resumed>) = 1 [pid 7105] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] <... mprotect resumed>) = 0 [pid 7103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7102] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] <... futex resumed>) = 0 [pid 7106] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7102] <... futex resumed>) = 0 [pid 7101] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7105] ioctl(3, UFFDIO_API, NULL [pid 7104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7101] <... futex resumed>) = 0 [pid 7096] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] ioctl(3, UFFDIO_API, NULL [pid 7105] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7103] <... mmap resumed>) = 0x7f2f310d3000 [pid 7106] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7105] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7096] <... futex resumed>) = 0 [pid 7106] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... futex resumed>) = 0 [pid 7101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7106] <... futex resumed>) = 0 [pid 7105] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7106] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7102] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7101] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... clone3 resumed> => {parent_tid=[7107]}, 88) = 7107 [pid 7102] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7105] <... futex resumed>) = 0 [pid 7104] rt_sigprocmask(SIG_SETMASK, [], [pid 7103] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7102] <... futex resumed>) = 1 [pid 7105] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7103] <... mprotect resumed>) = 0 [pid 7102] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7107 attached [pid 7106] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7104] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7107] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7106] <... futex resumed>) = 1 [pid 7105] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] <... futex resumed>) = 0 [pid 7103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7101] <... futex resumed>) = 0 [pid 7107] <... rseq resumed>) = 0 [pid 7106] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7105] <... futex resumed>) = 1 [pid 7104] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7102] <... futex resumed>) = 0 [pid 7101] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] set_robust_list(0x7f2f310f39a0, 24 [pid 7106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7105] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7108 attached [pid 7107] <... set_robust_list resumed>) = 0 [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7106] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7102] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] <... futex resumed>) = 0 [pid 7108] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7107] rt_sigprocmask(SIG_SETMASK, [], [pid 7105] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7103] <... clone3 resumed> => {parent_tid=[7108]}, 88) = 7108 [pid 7102] <... futex resumed>) = 0 [pid 7101] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... rseq resumed>) = 0 [pid 7103] rt_sigprocmask(SIG_SETMASK, [], [pid 7102] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7108] set_robust_list(0x7f2f310f39a0, 24 [pid 7103] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... set_robust_list resumed>) = 0 [pid 7103] <... futex resumed>) = 0 [pid 7108] rt_sigprocmask(SIG_SETMASK, [], [pid 7103] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7107] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7107] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7104] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7104] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7107] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] <... futex resumed>) = 0 [pid 7104] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7104] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] <... futex resumed>) = 1 [pid 7107] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7108] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7108] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7103] <... futex resumed>) = 0 [pid 7108] ioctl(3, UFFDIO_API, NULL [pid 7107] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7103] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7103] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7107] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... io_uring_register resumed>) = 0 [pid 7096] <... mmap resumed>) = 0x7f2f310b2000 [pid 7108] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7107] <... futex resumed>) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7103] <... futex resumed>) = 0 [pid 7096] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7108] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7103] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = 0 [pid 7100] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7107] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7104] <... futex resumed>) = 0 [pid 7100] <... futex resumed>) = 0 [pid 7096] <... mprotect resumed>) = 0 [pid 7108] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7104] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7108] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7108] <... futex resumed>) = 1 [pid 7103] <... futex resumed>) = 0 [pid 7096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7108] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7103] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7109 attached ) = 0 [pid 7103] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7096] <... clone3 resumed> => {parent_tid=[7109]}, 88) = 7109 [pid 7096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7096] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7109] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7109] rt_sigprocmask(SIG_SETMASK, [], [pid 7096] <... futex resumed>) = 0 [pid 7096] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7109] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7109] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7109] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] <... futex resumed>) = 0 [pid 7100] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7100] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7096] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7096] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7100] <... madvise resumed>) = 0 [pid 7102] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7101] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] <... futex resumed>) = 0 [pid 7102] <... futex resumed>) = 0 [pid 7101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7100] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7096] exit_group(0 [pid 7109] <... futex resumed>) = ? [pid 7096] <... exit_group resumed>) = ? [pid 7109] +++ exited with 0 +++ [pid 7105] <... io_uring_register resumed>) = 0 [pid 7104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7102] <... mmap resumed>) = 0x7f2f310b2000 [pid 7100] +++ exited with 0 +++ [pid 7096] +++ exited with 0 +++ [pid 7105] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7104] <... futex resumed>) = 0 [pid 7103] <... futex resumed>) = 0 [pid 7102] <... mprotect resumed>) = 0 [pid 7105] <... futex resumed>) = 0 [pid 7104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7096, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7105] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7110 attached => {parent_tid=[7110]}, 88) = 7110 [pid 7110] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7102] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7110] <... rseq resumed>) = 0 [pid 7102] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7111 ./strace-static-x86_64: Process 7111 attached [pid 7110] set_robust_list(0x7f2f310d29a0, 24 [pid 7102] <... futex resumed>) = 0 [pid 7110] <... set_robust_list resumed>) = 0 [pid 7102] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7111] set_robust_list(0x555592b0f6a0, 24 [pid 7110] ioctl(3, UFFDIO_REGISTER, NULL [pid 7108] <... io_uring_register resumed>) = 0 [pid 7106] <... io_uring_register resumed>) = 0 [pid 7103] <... mmap resumed>) = 0x7f2f310b2000 [pid 7101] <... mmap resumed>) = 0x7f2f310b2000 [pid 7111] <... set_robust_list resumed>) = 0 [pid 7110] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7108] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7101] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7110] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = 0 [pid 7107] <... io_uring_register resumed>) = 0 [pid 7106] <... futex resumed>) = 0 [pid 7104] <... mmap resumed>) = 0x7f2f310b2000 [pid 7103] <... mprotect resumed>) = 0 [pid 7101] <... mprotect resumed>) = 0 [pid 7111] <... prctl resumed>) = 0 [pid 7110] <... futex resumed>) = 1 [pid 7108] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7107] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7102] <... futex resumed>) = 0 [pid 7101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7111] setpgid(0, 0 [pid 7110] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7107] <... futex resumed>) = 0 [pid 7104] <... mprotect resumed>) = 0 [pid 7103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7102] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7111] <... setpgid resumed>) = 0 [pid 7107] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7105] <... futex resumed>) = 0 [pid 7104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7102] <... futex resumed>) = 1 [pid 7101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7112 attached [pid 7111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7105] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7102] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7113 attached [pid 7112] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7111] <... openat resumed>) = 3 [pid 7105] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7103] <... clone3 resumed> => {parent_tid=[7112]}, 88) = 7112 [pid 7101] <... clone3 resumed> => {parent_tid=[7113]}, 88) = 7113 ./strace-static-x86_64: Process 7114 attached [pid 7113] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7112] <... rseq resumed>) = 0 [pid 7111] write(3, "1000", 4 [pid 7105] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] rt_sigprocmask(SIG_SETMASK, [], [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7101] rt_sigprocmask(SIG_SETMASK, [], [pid 7114] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7113] <... rseq resumed>) = 0 [pid 7112] set_robust_list(0x7f2f310d29a0, 24 [pid 7111] <... write resumed>) = 4 [pid 7105] <... futex resumed>) = 0 [pid 7104] <... clone3 resumed> => {parent_tid=[7114]}, 88) = 7114 [pid 7103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7102] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7114] <... rseq resumed>) = 0 executing program [pid 7113] set_robust_list(0x7f2f310d29a0, 24 [pid 7112] <... set_robust_list resumed>) = 0 [pid 7111] close(3 [pid 7105] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7104] rt_sigprocmask(SIG_SETMASK, [], [pid 7103] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] <... futex resumed>) = 0 [pid 7101] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] set_robust_list(0x7f2f310d29a0, 24 [pid 7113] <... set_robust_list resumed>) = 0 [pid 7112] rt_sigprocmask(SIG_SETMASK, [], [pid 7104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7101] <... futex resumed>) = 0 [pid 7112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7104] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7112] ioctl(3, UFFDIO_REGISTER, NULL [pid 7104] <... futex resumed>) = 0 [pid 7112] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7104] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7112] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7111] <... close resumed>) = 0 [pid 7114] <... set_robust_list resumed>) = 0 [pid 7113] rt_sigprocmask(SIG_SETMASK, [], [pid 7112] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] write(1, "executing program\n", 18 [pid 7103] <... futex resumed>) = 0 [pid 7102] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7114] rt_sigprocmask(SIG_SETMASK, [], [pid 7113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7111] <... write resumed>) = 18 [pid 7103] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7114] ioctl(3, UFFDIO_REGISTER, NULL [pid 7103] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7108] <... futex resumed>) = 0 [pid 7103] <... futex resumed>) = 1 [pid 7114] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] ioctl(3, UFFDIO_REGISTER, NULL [pid 7111] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7105] <... madvise resumed>) = 0 [pid 7103] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7114] <... futex resumed>) = 1 [pid 7113] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7111] <... futex resumed>) = 0 [pid 7108] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7104] <... futex resumed>) = 0 [pid 7114] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7108] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7108] <... futex resumed>) = 1 [pid 7104] <... futex resumed>) = 1 [pid 7103] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7113] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7108] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7107] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7105] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] <... futex resumed>) = 1 [pid 7111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7108] <... madvise resumed>) = 0 [pid 7105] <... futex resumed>) = 1 [pid 7103] <... futex resumed>) = 0 [pid 7102] <... futex resumed>) = 0 [pid 7101] <... futex resumed>) = 0 [pid 7101] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7101] <... futex resumed>) = 1 [pid 7101] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7107] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7113] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] <... mmap resumed>) = 0x7f2f310d3000 [pid 7107] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7102] exit_group(0 [pid 7111] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7107] <... futex resumed>) = 1 [pid 7106] <... futex resumed>) = 0 [pid 7104] <... futex resumed>) = 0 [pid 7102] <... exit_group resumed>) = ? [pid 7107] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7106] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7104] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7111] <... mprotect resumed>) = 0 [pid 7106] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] <... futex resumed>) = 0 [pid 7106] <... futex resumed>) = 1 [pid 7110] <... futex resumed>) = ? [pid 7106] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7105] +++ exited with 0 +++ [pid 7111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7104] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7101] <... futex resumed>) = 0 [pid 7111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7110] +++ exited with 0 +++ [pid 7102] +++ exited with 0 +++ [pid 7111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7101] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7102, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7108] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7115 attached [pid 7108] <... futex resumed>) = 1 [pid 7106] <... futex resumed>) = 0 [pid 7103] <... futex resumed>) = 0 [pid 7101] <... futex resumed>) = 1 [pid 7115] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7111] <... clone3 resumed> => {parent_tid=[7115]}, 88) = 7115 [pid 7108] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7106] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7103] exit_group(0 [pid 7101] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7112] <... futex resumed>) = ? [pid 7111] rt_sigprocmask(SIG_SETMASK, [], [pid 7107] <... madvise resumed>) = 0 [pid 7103] <... exit_group resumed>) = ? [pid 5836] <... restart_syscall resumed>) = 0 [pid 7115] <... rseq resumed>) = 0 [pid 7112] +++ exited with 0 +++ [pid 7111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7108] <... futex resumed>) = ? [pid 7115] set_robust_list(0x7f2f310f39a0, 24 [pid 7111] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7111] <... futex resumed>) = 0 [pid 7107] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... set_robust_list resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7116 ./strace-static-x86_64: Process 7116 attached [pid 7115] rt_sigprocmask(SIG_SETMASK, [], [pid 7111] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] <... futex resumed>) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7108] +++ exited with 0 +++ [pid 7106] <... madvise resumed>) = 0 [pid 7104] exit_group(0 [pid 7103] +++ exited with 0 +++ [pid 7115] userfaultfd(UFFD_USER_MODE_ONLY [pid 7104] <... exit_group resumed>) = ? [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7103, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7115] <... userfaultfd resumed>) = 3 [pid 7114] <... futex resumed>) = ? [pid 7116] set_robust_list(0x555592b0f6a0, 24 [pid 7115] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7115] <... futex resumed>) = 1 [pid 7114] +++ exited with 0 +++ [pid 7111] <... futex resumed>) = 0 [pid 7115] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] <... futex resumed>) = 0 [pid 7115] ioctl(3, UFFDIO_API, NULL [pid 7111] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7106] <... futex resumed>) = 1 [pid 7115] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7111] <... futex resumed>) = 0 [pid 7106] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7115] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7111] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... set_robust_list resumed>) = 0 [pid 7115] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7111] <... futex resumed>) = 0 [pid 7107] +++ exited with 0 +++ [pid 7104] +++ exited with 0 +++ [pid 7101] <... futex resumed>) = 0 [pid 7116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7111] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7104, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7101] exit_group(0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7116] <... prctl resumed>) = 0 [pid 7113] <... futex resumed>) = ? [pid 7101] <... exit_group resumed>) = ? [pid 7106] <... futex resumed>) = ? [pid 7116] setpgid(0, 0 [pid 7113] +++ exited with 0 +++ [pid 7106] +++ exited with 0 +++ [pid 7101] +++ exited with 0 +++ [pid 7115] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7101, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7116] <... setpgid resumed>) = 0 [pid 7115] <... futex resumed>) = 1 [pid 7111] <... futex resumed>) = 0 [pid 7115] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] <... futex resumed>) = 0 [pid 7115] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7111] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7117 attached [pid 7116] <... openat resumed>) = 3 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7116] write(3, "1000", 4 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7117 [pid 7117] set_robust_list(0x555592b0f6a0, 24 [pid 7116] <... write resumed>) = 4 [pid 7117] <... set_robust_list resumed>) = 0 [pid 7116] close(3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7118 attached [pid 7117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7116] <... close resumed>) = 0 executing program [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7118 [pid 7116] write(1, "executing program\n", 18./strace-static-x86_64: Process 7119 attached [pid 7118] set_robust_list(0x555592b0f6a0, 24 [pid 7117] <... prctl resumed>) = 0 [pid 7116] <... write resumed>) = 18 [pid 7118] <... set_robust_list resumed>) = 0 [pid 7117] setpgid(0, 0 [pid 7118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7117] <... setpgid resumed>) = 0 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7119 [pid 7119] set_robust_list(0x555592b0f6a0, 24 [pid 7118] <... prctl resumed>) = 0 [pid 7116] <... futex resumed>) = 0 [pid 7119] <... set_robust_list resumed>) = 0 [pid 7118] setpgid(0, 0 [pid 7117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7116] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7118] <... setpgid resumed>) = 0 [pid 7116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7119] <... prctl resumed>) = 0 [pid 7117] <... openat resumed>) = 3 [pid 7116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7118] <... openat resumed>) = 3 [pid 7119] setpgid(0, 0 [pid 7117] write(3, "1000", 4 [pid 7116] <... mmap resumed>) = 0x7f2f310d3000 [pid 7116] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7116] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7119] <... setpgid resumed>) = 0 [pid 7118] write(3, "1000", 4 [pid 7117] <... write resumed>) = 4 [pid 7116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7118] <... write resumed>) = 4 [pid 7117] close(3executing program executing program executing program [pid 7118] close(3 [pid 7117] <... close resumed>) = 0 [pid 7118] <... close resumed>) = 0 [pid 7119] <... openat resumed>) = 3 [pid 7117] write(1, "executing program\n", 18 [pid 7118] write(1, "executing program\n", 18) = 18 [pid 7117] <... write resumed>) = 18 [pid 7118] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] write(3, "1000", 4 [pid 7117] <... futex resumed>) = 0 [pid 7119] <... write resumed>) = 4 [pid 7118] <... futex resumed>) = 0 [pid 7117] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7119] close(3 [pid 7118] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7117] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7119] <... close resumed>) = 0 [pid 7118] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7119] write(1, "executing program\n", 18 [pid 7118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7119] <... write resumed>) = 18 [pid 7118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7117] <... mmap resumed>) = 0x7f2f310d3000 [pid 7119] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] <... mmap resumed>) = 0x7f2f310d3000 [pid 7117] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7119] <... futex resumed>) = 0 [pid 7118] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7117] <... mprotect resumed>) = 0 [pid 7119] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7118] <... mprotect resumed>) = 0 [pid 7117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7115] <... io_uring_register resumed>) = 0 [pid 7119] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7118] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7118] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7117] <... clone3 resumed> => {parent_tid=[7120]}, 88) = 7120 [pid 7119] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7121 attached [pid 7119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7117] rt_sigprocmask(SIG_SETMASK, [], [pid 7119] <... mmap resumed>) = 0x7f2f310d3000 [pid 7118] <... clone3 resumed> => {parent_tid=[7121]}, 88) = 7121 [pid 7117] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7122 attached ./strace-static-x86_64: Process 7120 attached [pid 7121] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7119] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7118] rt_sigprocmask(SIG_SETMASK, [], [pid 7117] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7121] <... rseq resumed>) = 0 [pid 7120] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7119] <... mprotect resumed>) = 0 [pid 7118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7116] <... clone3 resumed> => {parent_tid=[7122]}, 88) = 7122 [pid 7111] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7122] <... rseq resumed>) = 0 [pid 7121] set_robust_list(0x7f2f310f39a0, 24 [pid 7118] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7111] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] <... set_robust_list resumed>) = 0 [pid 7118] <... futex resumed>) = 0 [pid 7111] <... futex resumed>) = 0 [pid 7122] set_robust_list(0x7f2f310f39a0, 24 [pid 7121] rt_sigprocmask(SIG_SETMASK, [], [pid 7120] <... rseq resumed>) = 0 [pid 7118] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] rt_sigprocmask(SIG_SETMASK, [], [pid 7111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7122] <... set_robust_list resumed>) = 0 [pid 7121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7120] set_robust_list(0x7f2f310f39a0, 24 [pid 7116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7111] <... mmap resumed>) = 0x7f2f310b2000 [pid 7122] rt_sigprocmask(SIG_SETMASK, [], [pid 7121] userfaultfd(UFFD_USER_MODE_ONLY [pid 7120] <... set_robust_list resumed>) = 0 [pid 7119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7115] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7120] rt_sigprocmask(SIG_SETMASK, [], [pid 7116] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] userfaultfd(UFFD_USER_MODE_ONLY [pid 7115] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 0 [pid 7122] <... userfaultfd resumed>) = 3 [pid 7115] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7122] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7122] <... futex resumed>) = 0 [pid 7121] <... userfaultfd resumed>) = 3 [pid 7120] userfaultfd(UFFD_USER_MODE_ONLY [pid 7119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7122] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7120] <... userfaultfd resumed>) = 3 [pid 7116] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = 0 [pid 7121] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] <... futex resumed>) = 1 [pid 7119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7117] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 1 [pid 7111] <... mprotect resumed>) = 0 [pid 7122] ioctl(3, UFFDIO_API, NULL [pid 7121] <... futex resumed>) = 1 [pid 7120] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] <... futex resumed>) = 0 [pid 7117] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7123 attached [pid 7122] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7121] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7119] <... clone3 resumed> => {parent_tid=[7123]}, 88) = 7123 [pid 7118] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7119] rt_sigprocmask(SIG_SETMASK, [], [pid 7118] <... futex resumed>) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7118] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7120] ioctl(3, UFFDIO_API, NULL [pid 7111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7122] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7119] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7124 attached [pid 7123] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7122] <... futex resumed>) = 0 [pid 7121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7120] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = 0 [pid 7116] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7123] <... rseq resumed>) = 0 [pid 7122] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7121] ioctl(3, UFFDIO_API, NULL [pid 7120] <... futex resumed>) = 1 [pid 7119] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 0 [pid 7111] <... clone3 resumed> => {parent_tid=[7124]}, 88) = 7124 [pid 7124] <... rseq resumed>) = 0 [pid 7123] set_robust_list(0x7f2f310f39a0, 24 [pid 7122] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7121] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7120] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7117] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7111] rt_sigprocmask(SIG_SETMASK, [], [pid 7124] set_robust_list(0x7f2f310d29a0, 24 [pid 7123] <... set_robust_list resumed>) = 0 [pid 7121] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7117] <... futex resumed>) = 0 [pid 7111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7124] <... set_robust_list resumed>) = 0 [pid 7123] rt_sigprocmask(SIG_SETMASK, [], [pid 7121] <... futex resumed>) = 1 [pid 7120] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7118] <... futex resumed>) = 0 [pid 7117] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7111] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] rt_sigprocmask(SIG_SETMASK, [], [pid 7123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7121] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... futex resumed>) = 0 [pid 7124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7123] userfaultfd(UFFD_USER_MODE_ONLY [pid 7121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = 0 [pid 7111] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] ioctl(3, UFFDIO_REGISTER, NULL [pid 7123] <... userfaultfd resumed>) = 3 [pid 7122] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7120] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7118] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7123] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = 1 [pid 7121] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7120] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... futex resumed>) = 0 [pid 7124] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] <... futex resumed>) = 1 [pid 7122] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7121] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] <... futex resumed>) = 1 [pid 7119] <... futex resumed>) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7116] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] <... futex resumed>) = 1 [pid 7123] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] <... futex resumed>) = 1 [pid 7120] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7119] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] <... futex resumed>) = 0 [pid 7117] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... futex resumed>) = 0 [pid 7111] <... futex resumed>) = 0 [pid 7124] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7119] <... futex resumed>) = 0 [pid 7118] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... futex resumed>) = 0 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7111] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] ioctl(3, UFFDIO_API, NULL [pid 7121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7119] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7118] <... futex resumed>) = 0 [pid 7117] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7115] <... futex resumed>) = 0 [pid 7111] <... futex resumed>) = 1 [pid 7123] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7121] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7118] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7115] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7111] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7123] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7123] <... futex resumed>) = 1 [pid 7119] <... futex resumed>) = 0 [pid 7115] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7115] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7119] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... futex resumed>) = 0 [pid 7123] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7119] <... futex resumed>) = 0 [pid 7111] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7115] <... futex resumed>) = 0 [pid 7111] <... futex resumed>) = 1 [pid 7115] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7123] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7115] <... madvise resumed>) = 0 [pid 7111] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7115] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7123] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... futex resumed>) = 0 [pid 7115] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7119] <... futex resumed>) = 0 [pid 7123] <... futex resumed>) = 1 [pid 7111] exit_group(0 [pid 7124] <... futex resumed>) = ? [pid 7123] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7119] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... futex resumed>) = ? [pid 7111] <... exit_group resumed>) = ? [pid 7115] +++ exited with 0 +++ [pid 7119] <... futex resumed>) = 0 [pid 7119] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] +++ exited with 0 +++ [pid 7111] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7111, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7122] <... io_uring_register resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7122] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7116] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7117] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = 0 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 7117] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7125 attached [pid 7118] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7125 [pid 7122] <... futex resumed>) = 1 [pid 7117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7125] set_robust_list(0x555592b0f6a0, 24 [pid 7118] <... futex resumed>) = 0 [pid 7122] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7122] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7125] <... set_robust_list resumed>) = 0 [pid 7118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7116] <... futex resumed>) = 0 [pid 7116] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7122] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7122] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7116] <... futex resumed>) = 0 [pid 7116] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... prctl resumed>) = 0 [pid 7116] <... futex resumed>) = 0 [pid 7116] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7122] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED) = 0 [pid 7125] setpgid(0, 0 [pid 7123] <... io_uring_register resumed>) = 0 [pid 7119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7119] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... setpgid resumed>) = 0 [pid 7122] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7116] <... futex resumed>) = 0 [pid 7125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7122] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] <... openat resumed>) = 3 [pid 7119] <... futex resumed>) = 0 [pid 7116] exit_group(0 [pid 7122] <... futex resumed>) = ? [pid 7116] <... exit_group resumed>) = ? [pid 7122] +++ exited with 0 +++ [pid 7116] +++ exited with 0 +++ [pid 7119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7125] write(3, "1000", 4 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7116, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7119] <... mmap resumed>) = 0x7f2f310b2000 [pid 7125] <... write resumed>) = 4 [pid 7123] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] close(3 [pid 7123] <... futex resumed>) = 0 [pid 7121] <... io_uring_register resumed>) = 0 [pid 7120] <... io_uring_register resumed>) = 0 [pid 7119] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7118] <... mmap resumed>) = 0x7f2f310b2000 [pid 7117] <... mmap resumed>) = 0x7f2f310b2000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7125] <... close resumed>) = 0 [pid 7123] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7117] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7119] <... mprotect resumed>) = 0 [pid 7118] <... mprotect resumed>) = 0 executing program [pid 7125] write(1, "executing program\n", 18 [pid 7121] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7118] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7117] <... mprotect resumed>) = 0 [pid 7125] <... write resumed>) = 18 [pid 7121] <... futex resumed>) = 0 [pid 7120] <... futex resumed>) = 0 [pid 7119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7118] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7125] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7120] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7117] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7126 attached [pid 7125] <... futex resumed>) = 0 [pid 7117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7126] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7126] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7126] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7127 attached ./strace-static-x86_64: Process 7128 attached [pid 7127] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7118] <... clone3 resumed> => {parent_tid=[7127]}, 88) = 7127 ./strace-static-x86_64: Process 7129 attached [pid 7127] <... rseq resumed>) = 0 [pid 7118] rt_sigprocmask(SIG_SETMASK, [], [pid 7127] set_robust_list(0x7f2f310d29a0, 24 [pid 7118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7129] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7127] <... set_robust_list resumed>) = 0 [pid 7125] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7119] <... clone3 resumed> => {parent_tid=[7126]}, 88) = 7126 [pid 7118] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... clone3 resumed> => {parent_tid=[7129]}, 88) = 7129 [pid 7128] set_robust_list(0x555592b0f6a0, 24 [pid 7129] <... rseq resumed>) = 0 [pid 7128] <... set_robust_list resumed>) = 0 [pid 7127] rt_sigprocmask(SIG_SETMASK, [], [pid 7125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7119] rt_sigprocmask(SIG_SETMASK, [], [pid 7118] <... futex resumed>) = 0 [pid 7117] rt_sigprocmask(SIG_SETMASK, [], [pid 7129] set_robust_list(0x7f2f310d29a0, 24 [pid 7128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7128 [pid 7129] <... set_robust_list resumed>) = 0 [pid 7128] <... prctl resumed>) = 0 [pid 7125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7119] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] rt_sigprocmask(SIG_SETMASK, [], [pid 7119] <... futex resumed>) = 1 [pid 7129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7128] setpgid(0, 0 [pid 7125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7119] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] <... futex resumed>) = 0 [pid 7129] ioctl(3, UFFDIO_REGISTER, NULL [pid 7128] <... setpgid resumed>) = 0 [pid 7117] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7129] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7125] <... mmap resumed>) = 0x7f2f310d3000 [pid 7127] ioctl(3, UFFDIO_REGISTER, NULL [pid 7126] <... futex resumed>) = 0 [pid 7118] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7127] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7126] ioctl(3, UFFDIO_REGISTER, NULL [pid 7129] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7127] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7125] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7129] <... futex resumed>) = 1 [pid 7127] <... futex resumed>) = 1 [pid 7126] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] <... futex resumed>) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7129] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7127] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7126] <... futex resumed>) = 1 [pid 7125] <... mprotect resumed>) = 0 [pid 7119] <... futex resumed>) = 0 [pid 7118] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... openat resumed>) = 3 [pid 7126] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7121] <... futex resumed>) = 0 [pid 7119] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] <... futex resumed>) = 1 [pid 7117] <... futex resumed>) = 1 [pid 7120] <... futex resumed>) = 0 [pid 7123] <... futex resumed>) = 0 [pid 7121] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7120] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7119] <... futex resumed>) = 1 [pid 7128] write(3, "1000", 4 [pid 7118] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7117] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... write resumed>) = 4 [pid 7125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7123] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7121] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7120] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7119] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] close(3 [pid 7123] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7121] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7130 attached [pid 7128] <... close resumed>) = 0 [pid 7123] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] <... futex resumed>) = 1 [pid 7120] <... futex resumed>) = 0 [pid 7118] <... futex resumed>) = 0 executing program [pid 7130] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7128] write(1, "executing program\n", 18 [pid 7125] <... clone3 resumed> => {parent_tid=[7130]}, 88) = 7130 [pid 7123] <... futex resumed>) = 1 [pid 7121] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7120] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7119] <... futex resumed>) = 0 [pid 7118] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... rseq resumed>) = 0 [pid 7128] <... write resumed>) = 18 [pid 7125] rt_sigprocmask(SIG_SETMASK, [], [pid 7123] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7119] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] <... futex resumed>) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7130] set_robust_list(0x7f2f310f39a0, 24 [pid 7128] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7120] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7119] <... futex resumed>) = 0 [pid 7118] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] <... set_robust_list resumed>) = 0 [pid 7128] <... futex resumed>) = 0 [pid 7125] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7121] <... madvise resumed>) = 0 [pid 7119] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] rt_sigprocmask(SIG_SETMASK, [], [pid 7128] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7125] <... futex resumed>) = 0 [pid 7123] <... madvise resumed>) = 0 [pid 7120] <... madvise resumed>) = 0 [pid 7128] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7125] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7120] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7120] <... futex resumed>) = 1 [pid 7130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7128] <... mmap resumed>) = 0x7f2f310d3000 [pid 7123] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] exit_group(0 [pid 7120] ???( [pid 7130] userfaultfd(UFFD_USER_MODE_ONLY [pid 7129] <... futex resumed>) = ? [pid 7128] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7123] <... futex resumed>) = 1 [pid 7121] <... futex resumed>) = 1 [pid 7120] <... ??? resumed>) = ? [pid 7119] <... futex resumed>) = 0 [pid 7118] <... futex resumed>) = 0 [pid 7117] <... exit_group resumed>) = ? [pid 7130] <... userfaultfd resumed>) = 3 [pid 7129] +++ exited with 0 +++ [pid 7128] <... mprotect resumed>) = 0 [pid 7123] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7119] exit_group(0 [pid 7118] exit_group(0 [pid 7130] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = ? [pid 7126] <... futex resumed>) = ? [pid 7123] <... futex resumed>) = ? [pid 7121] <... futex resumed>) = ? [pid 7119] <... exit_group resumed>) = ? [pid 7118] <... exit_group resumed>) = ? [pid 7130] <... futex resumed>) = 1 [pid 7128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7127] +++ exited with 0 +++ [pid 7126] +++ exited with 0 +++ [pid 7125] <... futex resumed>) = 0 [pid 7123] +++ exited with 0 +++ [pid 7121] +++ exited with 0 +++ [pid 7120] +++ exited with 0 +++ [pid 7119] +++ exited with 0 +++ [pid 7118] +++ exited with 0 +++ [pid 7117] +++ exited with 0 +++ [pid 7130] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7125] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7125] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7118, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7119, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7117, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7130] ioctl(3, UFFDIO_API, NULL [pid 7125] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7131 attached [pid 7130] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7131] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7130] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... clone3 resumed> => {parent_tid=[7131]}, 88) = 7131 [pid 7131] <... rseq resumed>) = 0 [pid 7130] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7128] rt_sigprocmask(SIG_SETMASK, [], [pid 7131] set_robust_list(0x7f2f310f39a0, 24 [pid 7130] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7125] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... set_robust_list resumed>) = 0 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... futex resumed>) = 0 [pid 7131] rt_sigprocmask(SIG_SETMASK, [], [pid 7130] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7128] <... futex resumed>) = 0 [pid 7125] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... restart_syscall resumed>) = 0 [pid 7131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7130] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7128] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] userfaultfd(UFFD_USER_MODE_ONLY [pid 7130] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... userfaultfd resumed>) = 3 [pid 7130] <... futex resumed>) = 0 [pid 7131] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7131] <... futex resumed>) = 1 [pid 7128] <... futex resumed>) = 0 [pid 7131] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] ioctl(3, UFFDIO_API, NULL [pid 7128] <... futex resumed>) = 0 [pid 7131] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7131] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7131] <... futex resumed>) = 0 [pid 7128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7131] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7131] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1./strace-static-x86_64: Process 7132 attached , sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7128] <... futex resumed>) = 0 [pid 7128] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7133 attached [pid 7132] set_robust_list(0x555592b0f6a0, 24 [pid 7125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... restart_syscall resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7132 [pid 7132] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7133 [pid 7131] <... futex resumed>) = 1 [pid 7128] <... futex resumed>) = 0 [pid 7125] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... futex resumed>) = 0 [pid 7128] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... futex resumed>) = 1 [pid 7132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7128] <... futex resumed>) = 0 [pid 7125] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7134 attached [pid 7133] set_robust_list(0x555592b0f6a0, 24 [pid 7132] <... prctl resumed>) = 0 [pid 7131] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7128] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] <... set_robust_list resumed>) = 0 [pid 7132] setpgid(0, 0 [pid 7133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7134] set_robust_list(0x555592b0f6a0, 24 [pid 7132] <... setpgid resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7134 [pid 7134] <... set_robust_list resumed>) = 0 [pid 7134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7133] <... prctl resumed>) = 0 [pid 7132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7134] <... prctl resumed>) = 0 [pid 7133] setpgid(0, 0) = 0 [pid 7132] <... openat resumed>) = 3 [pid 7133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7132] write(3, "1000", 4 [pid 7133] <... openat resumed>) = 3 [pid 7132] <... write resumed>) = 4 [pid 7133] write(3, "1000", 4 [pid 7132] close(3 [pid 7133] <... write resumed>) = 4 [pid 7132] <... close resumed>) = 0 executing program [pid 7133] close(3 [pid 7132] write(1, "executing program\n", 18 [pid 7133] <... close resumed>) = 0 [pid 7132] <... write resumed>) = 18 executing program [pid 7133] write(1, "executing program\n", 18 [pid 7132] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... write resumed>) = 18 [pid 7132] <... futex resumed>) = 0 [pid 7133] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7133] <... futex resumed>) = 0 [pid 7132] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7133] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7134] setpgid(0, 0 [pid 7133] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7134] <... setpgid resumed>) = 0 [pid 7133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7132] <... mmap resumed>) = 0x7f2f310d3000 [pid 7133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7134] <... openat resumed>) = 3 [pid 7132] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7134] write(3, "1000", 4 [pid 7133] <... mmap resumed>) = 0x7f2f310d3000 [pid 7132] <... mprotect resumed>) = 0 [pid 7134] <... write resumed>) = 4 [pid 7133] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7132] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7134] close(3 [pid 7133] <... mprotect resumed>) = 0 [pid 7132] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 7134] <... close resumed>) = 0 [pid 7133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7134] write(1, "executing program\n", 18 [pid 7133] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7135 attached [pid 7134] <... write resumed>) = 18 [pid 7133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7132] <... clone3 resumed> => {parent_tid=[7135]}, 88) = 7135 [pid 7134] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7136 attached [pid 7135] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7134] <... futex resumed>) = 0 [pid 7125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7133] <... clone3 resumed> => {parent_tid=[7136]}, 88) = 7136 [pid 7132] rt_sigprocmask(SIG_SETMASK, [], [pid 7128] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7128] <... futex resumed>) = 0 [pid 7132] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7133] rt_sigprocmask(SIG_SETMASK, [], [pid 7132] <... futex resumed>) = 0 [pid 7136] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7135] <... rseq resumed>) = 0 [pid 7134] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7132] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... rseq resumed>) = 0 [pid 7135] set_robust_list(0x7f2f310f39a0, 24 [pid 7134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7133] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] set_robust_list(0x7f2f310f39a0, 24 [pid 7135] <... set_robust_list resumed>) = 0 [pid 7134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7133] <... futex resumed>) = 0 [pid 7125] <... futex resumed>) = 0 [pid 7136] <... set_robust_list resumed>) = 0 [pid 7135] rt_sigprocmask(SIG_SETMASK, [], [pid 7134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7133] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] rt_sigprocmask(SIG_SETMASK, [], [pid 7135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7135] userfaultfd(UFFD_USER_MODE_ONLY [pid 7136] userfaultfd(UFFD_USER_MODE_ONLY [pid 7135] <... userfaultfd resumed>) = 3 [pid 7134] <... mmap resumed>) = 0x7f2f310d3000 [pid 7136] <... userfaultfd resumed>) = 3 [pid 7135] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7135] <... futex resumed>) = 1 [pid 7132] <... futex resumed>) = 0 [pid 7135] ioctl(3, UFFDIO_API, NULL [pid 7134] <... mprotect resumed>) = 0 [pid 7132] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7132] <... futex resumed>) = 0 [pid 7135] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7132] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... futex resumed>) = 0 [pid 7134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7137 attached [pid 7136] <... futex resumed>) = 1 [pid 7135] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] <... futex resumed>) = 0 [pid 7132] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7136] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7134] <... clone3 resumed> => {parent_tid=[7137]}, 88) = 7137 [pid 7133] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] <... futex resumed>) = 0 [pid 7128] <... mmap resumed>) = 0x7f2f310b2000 [pid 7137] <... rseq resumed>) = 0 [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7134] rt_sigprocmask(SIG_SETMASK, [], [pid 7133] <... futex resumed>) = 0 [pid 7132] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] <... io_uring_register resumed>) = 0 [pid 7128] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7137] set_robust_list(0x7f2f310f39a0, 24 [pid 7136] ioctl(3, UFFDIO_API, NULL [pid 7135] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7133] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... mprotect resumed>) = 0 [pid 7137] <... set_robust_list resumed>) = 0 [pid 7136] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7135] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... futex resumed>) = 0 [pid 7128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7137] rt_sigprocmask(SIG_SETMASK, [], [pid 7136] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... futex resumed>) = 1 [pid 7134] <... futex resumed>) = 0 [pid 7132] <... futex resumed>) = 0 [pid 7131] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7125] <... mmap resumed>) = 0x7f2f310b2000 [pid 7137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7136] <... futex resumed>) = 1 [pid 7135] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7134] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] <... futex resumed>) = 0 [pid 7132] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... io_uring_register resumed>) = 0 [pid 7128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7125] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7138 attached [pid 7137] userfaultfd(UFFD_USER_MODE_ONLY [pid 7136] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] <... futex resumed>) = 0 [pid 7130] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... mprotect resumed>) = 0 [pid 7138] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7137] <... userfaultfd resumed>) = 3 [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7133] <... futex resumed>) = 0 [pid 7132] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] <... futex resumed>) = 0 [pid 7128] <... clone3 resumed> => {parent_tid=[7138]}, 88) = 7138 [pid 7125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7138] <... rseq resumed>) = 0 [pid 7137] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7133] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7138] set_robust_list(0x7f2f310d29a0, 24 [pid 7137] <... futex resumed>) = 1 [pid 7134] <... futex resumed>) = 0 [pid 7128] rt_sigprocmask(SIG_SETMASK, [], [pid 7125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7139 attached [pid 7137] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7134] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7138] <... set_robust_list resumed>) = 0 [pid 7137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7136] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7134] <... futex resumed>) = 0 [pid 7128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7125] <... clone3 resumed> => {parent_tid=[7139]}, 88) = 7139 [pid 7139] <... rseq resumed>) = 0 [pid 7138] rt_sigprocmask(SIG_SETMASK, [], [pid 7137] ioctl(3, UFFDIO_API, NULL [pid 7134] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] rt_sigprocmask(SIG_SETMASK, [], [pid 7139] set_robust_list(0x7f2f310d29a0, 24 [pid 7138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7137] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7136] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... futex resumed>) = 0 [pid 7125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7139] <... set_robust_list resumed>) = 0 [pid 7138] ioctl(3, UFFDIO_REGISTER, NULL [pid 7137] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = 0 [pid 7128] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] rt_sigprocmask(SIG_SETMASK, [], [pid 7138] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7137] <... futex resumed>) = 1 [pid 7136] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7134] <... futex resumed>) = 0 [pid 7133] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... futex resumed>) = 0 [pid 7139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7138] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7134] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... futex resumed>) = 0 [pid 7125] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7139] ioctl(3, UFFDIO_REGISTER, NULL [pid 7138] <... futex resumed>) = 1 [pid 7137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7136] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7134] <... futex resumed>) = 0 [pid 7133] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... futex resumed>) = 0 [pid 7139] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7138] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7137] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7134] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7139] <... futex resumed>) = 1 [pid 7137] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... futex resumed>) = 0 [pid 7128] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7139] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7137] <... futex resumed>) = 1 [pid 7134] <... futex resumed>) = 0 [pid 7131] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7128] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7134] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7130] <... futex resumed>) = 0 [pid 7125] <... futex resumed>) = 1 [pid 7137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7134] <... futex resumed>) = 0 [pid 7131] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7125] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7137] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7134] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] <... futex resumed>) = 1 [pid 7130] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7128] <... futex resumed>) = 0 [pid 7128] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... futex resumed>) = 0 [pid 7131] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7130] <... futex resumed>) = 1 [pid 7128] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] <... futex resumed>) = 0 [pid 7131] <... madvise resumed>) = 0 [pid 7130] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7125] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7125] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... madvise resumed>) = 0 [pid 7130] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7130] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] exit_group(0 [pid 7130] <... futex resumed>) = ? [pid 7125] <... exit_group resumed>) = ? [pid 7130] +++ exited with 0 +++ [pid 7139] <... futex resumed>) = ? [pid 7139] +++ exited with 0 +++ [pid 7125] +++ exited with 0 +++ [pid 7131] <... futex resumed>) = 1 [pid 7128] <... futex resumed>) = 0 [pid 7128] exit_group(0) = ? [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7125, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 7138] <... futex resumed>) = ? [pid 7138] +++ exited with 0 +++ [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7131] +++ exited with 0 +++ [pid 7128] +++ exited with 0 +++ ./strace-static-x86_64: Process 7140 attached [pid 7132] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7140 [pid 7132] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7128, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7140] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7133] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7133] <... futex resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7140] <... prctl resumed>) = 0 [pid 7133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7140] setpgid(0, 0) = 0 executing program [pid 7140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7140] <... openat resumed>) = 3 [pid 7140] write(3, "1000", 4) = 4 [pid 7140] close(3) = 0 [pid 7140] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 7141 attached [pid 7141] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7134] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 7141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7141 [pid 7141] <... prctl resumed>) = 0 [pid 7140] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] setpgid(0, 0 [pid 7140] <... futex resumed>) = 0 [pid 7141] <... setpgid resumed>) = 0 [pid 7140] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7141] <... openat resumed>) = 3 [pid 7140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7141] write(3, "1000", 4 [pid 7140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7141] <... write resumed>) = 4 [pid 7140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7141] close(3 [pid 7140] <... mmap resumed>) = 0x7f2f310d3000 [pid 7141] <... close resumed>) = 0 [pid 7140] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7141] write(1, "executing program\n", 18 [pid 7140] <... mprotect resumed>) = 0 [pid 7141] <... write resumed>) = 18 [pid 7140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7141] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7132] <... mmap resumed>) = 0x7f2f310b2000 [pid 7141] <... futex resumed>) = 0 [pid 7140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7142 attached [pid 7141] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7132] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7141] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7140] <... clone3 resumed> => {parent_tid=[7142]}, 88) = 7142 [pid 7141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7140] rt_sigprocmask(SIG_SETMASK, [], [pid 7132] <... mprotect resumed>) = 0 [pid 7142] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7142] <... rseq resumed>) = 0 [pid 7141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7140] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7142] set_robust_list(0x7f2f310f39a0, 24 [pid 7141] <... mmap resumed>) = 0x7f2f310d3000 [pid 7140] <... futex resumed>) = 0 [pid 7135] <... io_uring_register resumed>) = 0 [pid 7132] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7142] <... set_robust_list resumed>) = 0 [pid 7141] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7140] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7135] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... mmap resumed>) = 0x7f2f310b2000 [pid 7133] <... mmap resumed>) = 0x7f2f310b2000 [pid 7132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7143 attached [pid 7142] rt_sigprocmask(SIG_SETMASK, [], [pid 7141] <... mprotect resumed>) = 0 [pid 7134] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7133] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7143] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7141] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7134] <... mprotect resumed>) = 0 [pid 7132] <... clone3 resumed> => {parent_tid=[7143]}, 88) = 7143 [pid 7143] <... rseq resumed>) = 0 [pid 7142] userfaultfd(UFFD_USER_MODE_ONLY [pid 7141] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7132] rt_sigprocmask(SIG_SETMASK, [], [pid 7143] set_robust_list(0x7f2f310d29a0, 24 [pid 7142] <... userfaultfd resumed>) = 3 [pid 7141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7142] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7132] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7145 attached ./strace-static-x86_64: Process 7144 attached [pid 7143] rt_sigprocmask(SIG_SETMASK, [], [pid 7142] <... futex resumed>) = 1 [pid 7141] <... clone3 resumed> => {parent_tid=[7144]}, 88) = 7144 [pid 7140] <... futex resumed>) = 0 [pid 7135] <... futex resumed>) = 0 [pid 7133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7132] <... futex resumed>) = 0 [pid 7145] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7144] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7142] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7141] rt_sigprocmask(SIG_SETMASK, [], [pid 7140] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7134] <... clone3 resumed> => {parent_tid=[7145]}, 88) = 7145 [pid 7133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7132] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7145] <... rseq resumed>) = 0 [pid 7144] <... rseq resumed>) = 0 [pid 7143] ioctl(3, UFFDIO_REGISTER, NULL [pid 7142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7137] <... io_uring_register resumed>) = 0 [pid 7136] <... io_uring_register resumed>) = 0 [pid 7134] rt_sigprocmask(SIG_SETMASK, [], [pid 7141] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7141] <... futex resumed>) = 0 [pid 7134] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7134] <... futex resumed>) = 0 [pid 7143] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7143] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] set_robust_list(0x7f2f310d29a0, 24 [pid 7134] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7146 attached [pid 7145] <... set_robust_list resumed>) = 0 [pid 7146] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7145] rt_sigprocmask(SIG_SETMASK, [], [pid 7136] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... clone3 resumed> => {parent_tid=[7146]}, 88) = 7146 [pid 7143] <... futex resumed>) = 1 [pid 7132] <... futex resumed>) = 0 [pid 7145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7144] set_robust_list(0x7f2f310f39a0, 24 [pid 7143] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] ioctl(3, UFFDIO_API, NULL [pid 7137] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... futex resumed>) = 0 [pid 7133] rt_sigprocmask(SIG_SETMASK, [], [pid 7132] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] ioctl(3, UFFDIO_REGISTER, NULL [pid 7144] <... set_robust_list resumed>) = 0 [pid 7142] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7137] <... futex resumed>) = 0 [pid 7136] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] <... futex resumed>) = 0 [pid 7133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7132] <... futex resumed>) = 1 [pid 7146] <... rseq resumed>) = 0 [pid 7145] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7144] rt_sigprocmask(SIG_SETMASK, [], [pid 7142] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7133] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7146] set_robust_list(0x7f2f310d29a0, 24 [pid 7145] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7142] <... futex resumed>) = 1 [pid 7140] <... futex resumed>) = 0 [pid 7135] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7133] <... futex resumed>) = 0 [pid 7146] <... set_robust_list resumed>) = 0 [pid 7145] <... futex resumed>) = 1 [pid 7144] userfaultfd(UFFD_USER_MODE_ONLY [pid 7142] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7140] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... futex resumed>) = 0 [pid 7133] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7146] rt_sigprocmask(SIG_SETMASK, [], [pid 7145] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] <... userfaultfd resumed>) = 3 [pid 7142] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7140] <... futex resumed>) = 0 [pid 7134] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7144] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7137] <... futex resumed>) = 0 [pid 7135] <... futex resumed>) = 1 [pid 7134] <... futex resumed>) = 1 [pid 7132] <... futex resumed>) = 0 [pid 7146] ioctl(3, UFFDIO_REGISTER, NULL [pid 7144] <... futex resumed>) = 1 [pid 7142] <... futex resumed>) = 0 [pid 7141] <... futex resumed>) = 0 [pid 7140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7137] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7135] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7134] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7132] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7144] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7141] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7146] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7141] <... futex resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7132] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7146] <... futex resumed>) = 1 [pid 7144] ioctl(3, UFFDIO_API, NULL [pid 7142] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7141] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7137] <... futex resumed>) = 1 [pid 7134] <... futex resumed>) = 0 [pid 7133] <... futex resumed>) = 0 [pid 7146] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7137] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7134] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... futex resumed>) = 0 [pid 7134] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7137] <... madvise resumed>) = 0 [pid 7136] <... futex resumed>) = 0 [pid 7135] <... madvise resumed>) = 0 [pid 7133] <... futex resumed>) = 1 [pid 7136] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7135] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7135] <... futex resumed>) = 1 [pid 7136] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7132] <... futex resumed>) = 0 [pid 7136] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = 0 [pid 7144] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7133] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] exit_group(0 [pid 7144] <... futex resumed>) = 1 [pid 7141] <... futex resumed>) = 0 [pid 7137] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... madvise resumed>) = 0 [pid 7133] <... futex resumed>) = 0 [pid 7144] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7143] <... futex resumed>) = ? [pid 7141] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = ? [pid 7134] <... futex resumed>) = 0 [pid 7132] <... exit_group resumed>) = ? [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] +++ exited with 0 +++ [pid 7136] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7135] +++ exited with 0 +++ [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7134] exit_group(0 [pid 7133] exit_group(0 [pid 7145] <... futex resumed>) = ? [pid 7134] <... exit_group resumed>) = ? [pid 7145] +++ exited with 0 +++ [pid 7141] <... futex resumed>) = 0 [pid 7141] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7144] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7146] <... futex resumed>) = ? [pid 7137] +++ exited with 0 +++ [pid 7136] <... futex resumed>) = ? [pid 7134] +++ exited with 0 +++ [pid 7133] <... exit_group resumed>) = ? [pid 7132] +++ exited with 0 +++ [pid 7146] +++ exited with 0 +++ [pid 7144] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7141] <... futex resumed>) = 0 [pid 7141] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7141] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7144] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7136] +++ exited with 0 +++ [pid 7133] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7134, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7132, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7133, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7147 attached [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7147 ./strace-static-x86_64: Process 7148 attached [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7148 ./strace-static-x86_64: Process 7149 attached [pid 7147] set_robust_list(0x555592b0f6a0, 24 [pid 7149] set_robust_list(0x555592b0f6a0, 24 [pid 7147] <... set_robust_list resumed>) = 0 [pid 7149] <... set_robust_list resumed>) = 0 [pid 7147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7147] <... prctl resumed>) = 0 [pid 7147] setpgid(0, 0) = 0 [pid 7147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7149] <... prctl resumed>) = 0 [pid 7149] setpgid(0, 0) = 0 [pid 7149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7147] write(3, "1000", 4 [pid 7142] <... io_uring_register resumed>) = 0 [pid 7149] <... openat resumed>) = 3 [pid 7148] set_robust_list(0x555592b0f6a0, 24 [pid 7147] <... write resumed>) = 4 [pid 7140] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7149 [pid 7147] close(3 [pid 7140] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7147] <... close resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7147] write(1, "executing program\n", 18 [pid 7140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7147] <... write resumed>) = 18 [pid 7149] write(3, "1000", 4 [pid 7148] <... set_robust_list resumed>) = 0 [pid 7147] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... mmap resumed>) = 0x7f2f310b2000 [pid 7147] <... futex resumed>) = 0 [pid 7140] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7149] <... write resumed>) = 4 [pid 7148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7147] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7140] <... mprotect resumed>) = 0 [pid 7148] <... prctl resumed>) = 0 [pid 7147] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7147] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7150 attached [pid 7149] close(3 [pid 7148] setpgid(0, 0 [pid 7147] <... mmap resumed>) = 0x7f2f310d3000 [pid 7150] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7149] <... close resumed>) = 0 [pid 7148] <... setpgid resumed>) = 0 [pid 7147] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7140] <... clone3 resumed> => {parent_tid=[7150]}, 88) = 7150 [pid 7150] <... rseq resumed>) = 0 [pid 7149] write(1, "executing program\n", 18executing program [pid 7148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7147] <... mprotect resumed>) = 0 [pid 7142] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] rt_sigprocmask(SIG_SETMASK, [], [pid 7150] set_robust_list(0x7f2f310d29a0, 24 [pid 7149] <... write resumed>) = 18 [pid 7148] <... openat resumed>) = 3 [pid 7147] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7142] <... futex resumed>) = 0 [pid 7140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7149] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] write(3, "1000", 4 [pid 7142] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7149] <... futex resumed>) = 0 [pid 7148] <... write resumed>) = 4 [pid 7149] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7148] close(3 [pid 7149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7148] <... close resumed>) = 0 [pid 7149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 7148] write(1, "executing program\n", 18 [pid 7149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7148] <... write resumed>) = 18 [pid 7149] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7148] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] <... set_robust_list resumed>) = 0 [pid 7149] <... mprotect resumed>) = 0 [pid 7147] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7140] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] rt_sigprocmask(SIG_SETMASK, [], [pid 7147] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7141] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7151 attached [pid 7150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7141] <... futex resumed>) = 0 [pid 7140] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7151] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7150] ioctl(3, UFFDIO_REGISTER, NULL [pid 7149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7148] <... futex resumed>) = 0 [pid 7147] <... clone3 resumed> => {parent_tid=[7151]}, 88) = 7151 [pid 7144] <... io_uring_register resumed>) = 0 [pid 7141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7151] <... rseq resumed>) = 0 [pid 7150] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7148] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7147] rt_sigprocmask(SIG_SETMASK, [], [pid 7141] <... mmap resumed>) = 0x7f2f310b2000 [pid 7151] set_robust_list(0x7f2f310f39a0, 24 [pid 7150] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7141] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7151] <... set_robust_list resumed>) = 0 [pid 7150] <... futex resumed>) = 1 [pid 7147] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... mprotect resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7151] rt_sigprocmask(SIG_SETMASK, [], [pid 7150] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] <... futex resumed>) = 0 [pid 7141] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7140] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7140] <... futex resumed>) = 1 [pid 7151] userfaultfd(UFFD_USER_MODE_ONLY [pid 7149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7144] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... futex resumed>) = 0 [pid 7141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7140] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7153 attached ./strace-static-x86_64: Process 7152 attached [pid 7151] <... userfaultfd resumed>) = 3 [pid 7148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7144] <... futex resumed>) = 0 [pid 7142] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7153] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7151] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] <... clone3 resumed> => {parent_tid=[7152]}, 88) = 7152 [pid 7148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7144] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7141] <... clone3 resumed> => {parent_tid=[7153]}, 88) = 7153 [pid 7153] <... rseq resumed>) = 0 [pid 7152] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7151] <... futex resumed>) = 1 [pid 7149] rt_sigprocmask(SIG_SETMASK, [], [pid 7148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7147] <... futex resumed>) = 0 [pid 7142] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] rt_sigprocmask(SIG_SETMASK, [], [pid 7153] set_robust_list(0x7f2f310d29a0, 24 [pid 7152] <... rseq resumed>) = 0 [pid 7151] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7148] <... mmap resumed>) = 0x7f2f310d3000 [pid 7147] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... futex resumed>) = 1 [pid 7141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7153] <... set_robust_list resumed>) = 0 [pid 7152] set_robust_list(0x7f2f310f39a0, 24 [pid 7151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7147] <... futex resumed>) = 0 [pid 7141] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] rt_sigprocmask(SIG_SETMASK, [], [pid 7152] <... set_robust_list resumed>) = 0 [pid 7151] ioctl(3, UFFDIO_API, NULL [pid 7149] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7142] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7141] <... futex resumed>) = 0 [pid 7140] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7152] rt_sigprocmask(SIG_SETMASK, [], [pid 7151] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7149] <... futex resumed>) = 0 [pid 7148] <... mprotect resumed>) = 0 [pid 7141] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] <... futex resumed>) = 0 [pid 7153] ioctl(3, UFFDIO_REGISTER, NULL [pid 7152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7151] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7153] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7152] userfaultfd(UFFD_USER_MODE_ONLY [pid 7148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7153] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7153] <... futex resumed>) = 1 [pid 7152] <... userfaultfd resumed>) = 3 [pid 7151] <... futex resumed>) = 1 [pid 7148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7147] <... futex resumed>) = 0 [pid 7141] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7154 attached [pid 7153] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7152] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... madvise resumed>) = 0 [pid 7141] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7152] <... futex resumed>) = 1 [pid 7151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7149] <... futex resumed>) = 0 [pid 7148] <... clone3 resumed> => {parent_tid=[7154]}, 88) = 7154 [pid 7147] <... futex resumed>) = 0 [pid 7144] <... futex resumed>) = 0 [pid 7142] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... futex resumed>) = 1 [pid 7154] <... rseq resumed>) = 0 [pid 7152] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7149] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] rt_sigprocmask(SIG_SETMASK, [], [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7144] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7142] <... futex resumed>) = 1 [pid 7141] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] <... futex resumed>) = 0 [pid 7154] set_robust_list(0x7f2f310f39a0, 24 [pid 7152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7151] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7149] <... futex resumed>) = 0 [pid 7148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7144] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7142] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7154] <... set_robust_list resumed>) = 0 [pid 7152] ioctl(3, UFFDIO_API, NULL [pid 7149] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7148] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] exit_group(0 [pid 7154] rt_sigprocmask(SIG_SETMASK, [], [pid 7152] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7151] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = 0 [pid 7144] <... futex resumed>) = 1 [pid 7141] <... futex resumed>) = 0 [pid 7151] <... futex resumed>) = 1 [pid 7150] <... futex resumed>) = ? [pid 7147] <... futex resumed>) = 0 [pid 7142] <... futex resumed>) = ? [pid 7141] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... exit_group resumed>) = ? [pid 7150] +++ exited with 0 +++ [pid 7147] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... futex resumed>) = 0 [pid 7151] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7152] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7147] <... futex resumed>) = 0 [pid 7144] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7142] +++ exited with 0 +++ [pid 7141] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] userfaultfd(UFFD_USER_MODE_ONLY [pid 7152] <... futex resumed>) = 1 [pid 7149] <... futex resumed>) = 0 [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] +++ exited with 0 +++ [pid 7154] <... userfaultfd resumed>) = 3 [pid 7152] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7149] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7140, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7149] <... futex resumed>) = 0 [pid 7154] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7149] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7144] <... madvise resumed>) = 0 [pid 7154] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7152] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7154] ioctl(3, UFFDIO_API, NULL [pid 7152] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7155 attached [pid 7154] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7152] <... futex resumed>) = 1 [pid 7149] <... futex resumed>) = 0 [pid 7148] <... futex resumed>) = 0 [pid 7144] <... futex resumed>) = 1 [pid 7141] <... futex resumed>) = 0 [pid 7155] set_robust_list(0x555592b0f6a0, 24 [pid 7154] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7149] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7144] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7141] exit_group(0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7155 [pid 7155] <... set_robust_list resumed>) = 0 [pid 7154] <... futex resumed>) = 0 [pid 7153] <... futex resumed>) = ? [pid 7149] <... futex resumed>) = 0 [pid 7148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] <... futex resumed>) = ? [pid 7141] <... exit_group resumed>) = ? [pid 7155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7154] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7153] +++ exited with 0 +++ [pid 7149] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7148] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] +++ exited with 0 +++ [pid 7141] +++ exited with 0 +++ [pid 7155] <... prctl resumed>) = 0 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7141, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7154] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7148] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7155] setpgid(0, 0 [pid 7151] <... io_uring_register resumed>) = 0 ./strace-static-x86_64: Process 7156 attached [pid 7155] <... setpgid resumed>) = 0 [pid 7154] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] set_robust_list(0x555592b0f6a0, 24 [pid 7155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7154] <... futex resumed>) = 1 [pid 7151] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = 0 [pid 7147] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7156 [pid 7156] <... set_robust_list resumed>) = 0 [pid 7155] <... openat resumed>) = 3 [pid 7154] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7148] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7147] <... futex resumed>) = 0 [pid 7156] setpgid(0, 0) = 0 [pid 7154] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7155] write(3, "1000", 4 [pid 7151] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7148] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7155] <... write resumed>) = 4 [pid 7151] ioctl(3, UFFDIO_REGISTER, NULL [pid 7147] <... futex resumed>) = 0 [pid 7155] close(3 [pid 7151] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=39000000} [pid 7156] <... openat resumed>) = 3 [pid 7155] <... close resumed>) = 0 [pid 7151] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] write(1, "executing program\n", 18 [pid 7151] <... futex resumed>) = 1 [pid 7147] <... futex resumed>) = 0 executing program [pid 7155] <... write resumed>) = 18 [pid 7151] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7147] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7147] <... futex resumed>) = 0 [pid 7156] write(3, "1000", 4 [pid 7149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7156] <... write resumed>) = 4 [pid 7155] <... futex resumed>) = 0 [pid 7151] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] close(3 [pid 7155] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7151] <... futex resumed>) = 0 [pid 7149] <... futex resumed>) = 0 [pid 7147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] <... close resumed>) = 0 [pid 7155] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7151] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7147] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] write(1, "executing program\n", 18executing program [pid 7155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7156] <... write resumed>) = 18 [pid 7155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7152] <... io_uring_register resumed>) = 0 [pid 7149] <... mmap resumed>) = 0x7f2f310b2000 [pid 7147] <... futex resumed>) = 0 [pid 7156] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7156] <... futex resumed>) = 0 [pid 7155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7147] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7155] <... mmap resumed>) = 0x7f2f310d3000 [pid 7156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7149] <... mprotect resumed>) = 0 [pid 7156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7155] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7151] <... madvise resumed>) = 0 [pid 7156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7156] <... mmap resumed>) = 0x7f2f310d3000 [pid 7149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7156] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7157 attached [pid 7155] <... mprotect resumed>) = 0 [pid 7151] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7156] <... mprotect resumed>) = 0 [pid 7155] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7151] <... futex resumed>) = 1 [pid 7147] <... futex resumed>) = 0 [pid 7157] <... rseq resumed>) = 0 [pid 7155] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7151] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7149] <... clone3 resumed> => {parent_tid=[7157]}, 88) = 7157 [pid 7147] exit_group(0 [pid 7156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7157] set_robust_list(0x7f2f310d29a0, 24 [pid 7155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7152] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] <... futex resumed>) = ? [pid 7149] rt_sigprocmask(SIG_SETMASK, [], [pid 7147] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7158 attached [pid 7157] <... set_robust_list resumed>) = 0 [pid 7156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7158] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7157] rt_sigprocmask(SIG_SETMASK, [], [pid 7156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7149] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] <... rseq resumed>) = 0 [pid 7157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7158] set_robust_list(0x7f2f310f39a0, 24 [pid 7157] ioctl(3, UFFDIO_REGISTER, NULL [pid 7155] <... clone3 resumed> => {parent_tid=[7158]}, 88) = 7158 [pid 7151] +++ exited with 0 +++ [pid 7149] <... futex resumed>) = 0 [pid 7147] +++ exited with 0 +++ [pid 7158] <... set_robust_list resumed>) = 0 [pid 7157] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7156] <... clone3 resumed> => {parent_tid=[7159]}, 88) = 7159 [pid 7149] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7147, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7158] rt_sigprocmask(SIG_SETMASK, [], [pid 7157] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] rt_sigprocmask(SIG_SETMASK, [], [pid 7149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7157] <... futex resumed>) = 0 [pid 7156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7149] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7157] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7156] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7149] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7159 attached [pid 7156] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7155] rt_sigprocmask(SIG_SETMASK, [], [pid 7159] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7152] <... futex resumed>) = 1 [pid 7149] <... futex resumed>) = 0 [pid 7159] <... rseq resumed>) = 0 [pid 7155] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7149] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 7159] set_robust_list(0x7f2f310f39a0, 24 [pid 7158] <... futex resumed>) = 0 [pid 7155] <... futex resumed>) = 1 [pid 7152] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7159] <... set_robust_list resumed>) = 0 [pid 7155] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7152] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] rt_sigprocmask(SIG_SETMASK, [], [pid 7158] userfaultfd(UFFD_USER_MODE_ONLY [pid 7152] <... futex resumed>) = 1 [pid 7149] <... futex resumed>) = 0 [pid 7159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7158] <... userfaultfd resumed>) = 3 [pid 7152] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7149] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] userfaultfd(UFFD_USER_MODE_ONLY [pid 7158] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7149] <... futex resumed>) = 0 [pid 7159] <... userfaultfd resumed>) = 3 [pid 7158] <... futex resumed>) = 1 [pid 7155] <... futex resumed>) = 0 [pid 7152] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7149] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] ioctl(3, UFFDIO_API, NULL [pid 7155] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] <... madvise resumed>) = 0 [pid 7159] <... futex resumed>) = 1 [pid 7158] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7156] <... futex resumed>) = 0 [pid 7155] <... futex resumed>) = 0 [pid 7152] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7158] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7158] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7156] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] ioctl(3, UFFDIO_API, NULL [pid 7155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7154] <... io_uring_register resumed>) = 0 [pid 7152] <... futex resumed>) = 1 [pid 7149] <... futex resumed>) = 0 [pid 7148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7159] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7155] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7149] exit_group(0 [pid 7159] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] <... futex resumed>) = 0 [pid 7155] <... futex resumed>) = 1 [pid 7154] <... futex resumed>) = 0 [pid 7148] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7159] <... futex resumed>) = 1 [pid 7158] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7157] <... futex resumed>) = ? [pid 7156] <... futex resumed>) = 0 [pid 7155] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7152] <... futex resumed>) = ? [pid 7149] <... exit_group resumed>) = ? [pid 7148] <... futex resumed>) = 0 [pid 7159] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7154] ioctl(3, UFFDIO_REGISTER, NULL [pid 7152] +++ exited with 0 +++ ./strace-static-x86_64: Process 7160 attached [pid 7154] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7154] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7154] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7156] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] +++ exited with 0 +++ [pid 7160] set_robust_list(0x555592b0f6a0, 24 [pid 7159] <... futex resumed>) = 0 [pid 7158] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7156] <... futex resumed>) = 1 [pid 7149] +++ exited with 0 +++ [pid 7148] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7160 [pid 7159] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7156] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] <... set_robust_list resumed>) = 0 [pid 7158] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7159] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7158] <... futex resumed>) = 1 [pid 7155] <... futex resumed>) = 0 [pid 7148] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7149, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7160] <... prctl resumed>) = 0 [pid 7159] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7155] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = 1 [pid 7160] setpgid(0, 0 [pid 7159] <... futex resumed>) = 1 [pid 7158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] <... futex resumed>) = 0 [pid 7155] <... futex resumed>) = 0 [pid 7154] <... futex resumed>) = 0 [pid 7148] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] <... setpgid resumed>) = 0 [pid 7159] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7158] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7156] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7154] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7154] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7154] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7160] <... openat resumed>) = 3 [pid 7160] write(3, "1000", 4) = 4 [pid 7160] close(3) = 0 [pid 7160] write(1, "executing program\n", 18) = 18 [pid 7160] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = 0 [pid 7148] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] <... futex resumed>) = 0 [pid 7154] <... futex resumed>) = 0 [pid 7148] <... futex resumed>) = 1 [pid 7154] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7160] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7154] <... madvise resumed>) = 0 [pid 7148] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7156] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] <... mmap resumed>) = 0x7f2f310d3000 [pid 7160] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7154] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7161 attached [pid 7160] <... mprotect resumed>) = 0 [pid 7154] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7160] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7154] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] exit_group(0 [pid 7160] <... clone3 resumed> => {parent_tid=[7163]}, 88) = 7163 [pid 7154] <... futex resumed>) = ? [pid 7148] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7163 attached [pid 7161] set_robust_list(0x555592b0f6a0, 24 [pid 7160] rt_sigprocmask(SIG_SETMASK, [], [pid 7154] +++ exited with 0 +++ [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7161 [pid 7160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7163] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7161] <... set_robust_list resumed>) = 0 [pid 7160] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7160] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7163] <... rseq resumed>) = 0 [pid 7163] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7148] +++ exited with 0 +++ [pid 7163] rt_sigprocmask(SIG_SETMASK, [], [pid 7161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7148, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7163] userfaultfd(UFFD_USER_MODE_ONLY [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7163] <... userfaultfd resumed>) = 3 [pid 7161] <... prctl resumed>) = 0 [pid 7163] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7160] <... futex resumed>) = 0 [pid 7163] ioctl(3, UFFDIO_API, NULL [pid 7160] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] setpgid(0, 0 [pid 7163] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7160] <... futex resumed>) = 0 [pid 7163] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7163] <... futex resumed>) = 0 [pid 7161] <... setpgid resumed>) = 0 [pid 7160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7160] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7160] <... futex resumed>) = 0 [pid 7161] <... openat resumed>) = 3 [pid 7160] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7155] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] write(3, "1000", 4 [pid 7155] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7161] <... write resumed>) = 4 [pid 7161] close(3 [pid 7163] <... futex resumed>) = 1 [pid 7161] <... close resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 7161] write(1, "executing program\n", 18 [pid 7160] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7160] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7161] <... write resumed>) = 18 [pid 7160] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7161] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7156] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7164 attached [pid 7161] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7159] <... io_uring_register resumed>) = 0 [pid 7156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7164 [pid 7161] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7164] set_robust_list(0x555592b0f6a0, 24 [pid 7161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7159] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] <... mmap resumed>) = 0x7f2f310b2000 [pid 7161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7156] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7159] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] <... mmap resumed>) = 0x7f2f310d3000 [pid 7161] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7156] <... mprotect resumed>) = 0 [pid 7161] <... mprotect resumed>) = 0 [pid 7156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7161] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7164] <... set_robust_list resumed>) = 0 [pid 7161] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7156] <... clone3 resumed> => {parent_tid=[7165]}, 88) = 7165 ./strace-static-x86_64: Process 7166 attached [pid 7164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7156] rt_sigprocmask(SIG_SETMASK, [], [pid 7155] <... mmap resumed>) = 0x7f2f310b2000 [pid 7155] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7166] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7164] <... prctl resumed>) = 0 [pid 7161] <... clone3 resumed> => {parent_tid=[7166]}, 88) = 7166 [pid 7156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7155] <... mprotect resumed>) = 0 [pid 7166] <... rseq resumed>) = 0 [pid 7164] setpgid(0, 0 [pid 7161] rt_sigprocmask(SIG_SETMASK, [], [pid 7156] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7165 attached [pid 7166] set_robust_list(0x7f2f310f39a0, 24 [pid 7164] <... setpgid resumed>) = 0 [pid 7161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7166] <... set_robust_list resumed>) = 0 [pid 7166] rt_sigprocmask(SIG_SETMASK, [], [pid 7156] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7155] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7166] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] <... futex resumed>) = 0 [pid 7166] userfaultfd(UFFD_USER_MODE_ONLY [pid 7155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7166] <... userfaultfd resumed>) = 3 [pid 7164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7161] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7166] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7167 attached ) = 0 [pid 7165] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7166] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7167] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7165] <... rseq resumed>) = 0 [pid 7161] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7155] <... clone3 resumed> => {parent_tid=[7167]}, 88) = 7167 [pid 7166] ioctl(3, UFFDIO_API, NULL [pid 7165] set_robust_list(0x7f2f310d29a0, 24 [pid 7164] <... openat resumed>) = 3 [pid 7167] <... rseq resumed>) = 0 [pid 7166] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7165] <... set_robust_list resumed>) = 0 [pid 7164] write(3, "1000", 4 [pid 7158] <... io_uring_register resumed>) = 0 [pid 7166] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] rt_sigprocmask(SIG_SETMASK, [], [pid 7164] <... write resumed>) = 4 [pid 7158] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... futex resumed>) = 1 [pid 7165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7164] close(3 [pid 7161] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7166] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7165] ioctl(3, UFFDIO_REGISTER, NULL [pid 7164] <... close resumed>) = 0 [pid 7161] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7167] set_robust_list(0x7f2f310d29a0, 24 [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7165] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7164] write(1, "executing program\n", 18 [pid 7161] <... futex resumed>) = 0 [pid 7155] rt_sigprocmask(SIG_SETMASK, [], [pid 7166] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7164] <... write resumed>) = 18 [pid 7161] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7164] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... set_robust_list resumed>) = 0 [pid 7165] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] <... futex resumed>) = 0 [pid 7155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7167] rt_sigprocmask(SIG_SETMASK, [], [pid 7165] <... futex resumed>) = 1 [pid 7164] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7156] <... futex resumed>) = 0 [pid 7155] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7165] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7156] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] <... futex resumed>) = 0 [pid 7167] ioctl(3, UFFDIO_REGISTER, NULL [pid 7166] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7159] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 1 [pid 7155] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7159] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7156] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7166] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7159] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7161] <... futex resumed>) = 0 [pid 7167] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7166] <... futex resumed>) = 1 [pid 7164] <... mmap resumed>) = 0x7f2f310d3000 [pid 7161] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] <... futex resumed>) = 0 [pid 7167] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7166] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7164] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7161] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 1 [pid 7156] <... futex resumed>) = 0 [pid 7155] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7158] <... futex resumed>) = 0 [pid 7156] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] <... futex resumed>) = 1 [pid 7158] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7155] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7158] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7158] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7155] <... futex resumed>) = 0 [pid 7158] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7155] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7155] <... futex resumed>) = 0 [pid 7158] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7155] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7156] <... futex resumed>) = 0 [pid 7164] <... mprotect resumed>) = 0 [pid 7160] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] <... futex resumed>) = 0 [pid 7164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7158] <... madvise resumed>) = 0 [pid 7164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7158] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7168 attached [pid 7163] <... io_uring_register resumed>) = 0 [pid 7160] <... mmap resumed>) = 0x7f2f310b2000 [pid 7159] <... madvise resumed>) = 0 [pid 7168] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7164] <... clone3 resumed> => {parent_tid=[7168]}, 88) = 7168 [pid 7160] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7158] <... futex resumed>) = 1 [pid 7155] <... futex resumed>) = 0 [pid 7168] <... rseq resumed>) = 0 [pid 7164] rt_sigprocmask(SIG_SETMASK, [], [pid 7160] <... mprotect resumed>) = 0 [pid 7159] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7155] exit_group(0 [pid 7168] set_robust_list(0x7f2f310f39a0, 24 [pid 7167] <... futex resumed>) = ? [pid 7164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7163] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7159] <... futex resumed>) = 1 [pid 7158] <... futex resumed>) = ? [pid 7156] <... futex resumed>) = 0 [pid 7155] <... exit_group resumed>) = ? [pid 7168] <... set_robust_list resumed>) = 0 [pid 7167] +++ exited with 0 +++ [pid 7164] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] <... futex resumed>) = 0 [pid 7160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7159] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7156] exit_group(0 [pid 7165] <... futex resumed>) = ? [pid 7164] <... futex resumed>) = 0 [pid 7163] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7159] <... futex resumed>) = ? [pid 7156] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7169 attached [pid 7168] rt_sigprocmask(SIG_SETMASK, [], [pid 7165] +++ exited with 0 +++ [pid 7164] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] +++ exited with 0 +++ [pid 7158] +++ exited with 0 +++ [pid 7156] +++ exited with 0 +++ [pid 7155] +++ exited with 0 +++ [pid 7169] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7160] <... clone3 resumed> => {parent_tid=[7169]}, 88) = 7169 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7156, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7155, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7169] <... rseq resumed>) = 0 [pid 7168] userfaultfd(UFFD_USER_MODE_ONLY [pid 7160] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7169] set_robust_list(0x7f2f310d29a0, 24 [pid 7168] <... userfaultfd resumed>) = 3 [pid 7160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7169] <... set_robust_list resumed>) = 0 [pid 7168] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] rt_sigprocmask(SIG_SETMASK, [], [pid 7160] <... futex resumed>) = 0 [pid 7169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7168] <... futex resumed>) = 1 [pid 7160] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] ioctl(3, UFFDIO_REGISTER, NULL [pid 7168] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7169] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7169] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] <... futex resumed>) = 0 [pid 7164] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7169] <... futex resumed>) = 1 [pid 7168] <... futex resumed>) = 0 [pid 7164] <... futex resumed>) = 1 [pid 7160] <... futex resumed>) = 0 [pid 7169] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7168] ioctl(3, UFFDIO_API, NULL [pid 7164] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7168] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7163] <... futex resumed>) = 0 [pid 7160] <... futex resumed>) = 1 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7168] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7160] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7170 attached [pid 7168] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 0 [pid 7163] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7170 ./strace-static-x86_64: Process 7171 attached [pid 7170] set_robust_list(0x555592b0f6a0, 24 [pid 7168] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7164] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... set_robust_list resumed>) = 0 [pid 7166] <... io_uring_register resumed>) = 0 [pid 7164] <... futex resumed>) = 0 [pid 7163] <... futex resumed>) = 1 [pid 7160] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7171 [pid 7171] set_robust_list(0x555592b0f6a0, 24 [pid 7170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7166] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7163] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7160] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7171] <... set_robust_list resumed>) = 0 [pid 7170] <... prctl resumed>) = 0 [pid 7166] <... futex resumed>) = 1 [pid 7163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] <... futex resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7163] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7161] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7171] <... prctl resumed>) = 0 [pid 7170] setpgid(0, 0 [pid 7168] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] ioctl(3, UFFDIO_REGISTER, NULL [pid 7161] <... futex resumed>) = 0 [pid 7171] setpgid(0, 0 [pid 7170] <... setpgid resumed>) = 0 [pid 7168] <... futex resumed>) = 1 [pid 7166] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7164] <... futex resumed>) = 0 [pid 7161] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7164] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7164] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7171] <... setpgid resumed>) = 0 [pid 7170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7168] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7166] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7166] <... futex resumed>) = 1 [pid 7163] <... madvise resumed>) = 0 [pid 7161] <... futex resumed>) = 0 [pid 7171] <... openat resumed>) = 3 [pid 7170] <... openat resumed>) = 3 [pid 7166] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] write(3, "1000", 4 [pid 7170] write(3, "1000", 4 [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] <... futex resumed>) = 1 [pid 7161] <... futex resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7171] <... write resumed>) = 4 [pid 7170] <... write resumed>) = 4 [pid 7166] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7163] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] exit_group(0 [pid 7171] close(3 [pid 7170] close(3 [pid 7169] <... futex resumed>) = ? [pid 7166] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7163] <... futex resumed>) = ? [pid 7160] <... exit_group resumed>) = ? [pid 7171] <... close resumed>) = 0 [pid 7170] <... close resumed>) = 0 [pid 7169] +++ exited with 0 +++ [pid 7166] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program executing program [pid 7171] write(1, "executing program\n", 18 [pid 7170] write(1, "executing program\n", 18 [pid 7166] <... futex resumed>) = 1 [pid 7161] <... futex resumed>) = 0 [pid 7171] <... write resumed>) = 18 [pid 7170] <... write resumed>) = 18 [pid 7166] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] +++ exited with 0 +++ [pid 7161] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] +++ exited with 0 +++ [pid 7171] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7160, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7171] <... futex resumed>) = 0 [pid 7170] <... futex resumed>) = 0 [pid 7166] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7161] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7172 attached [pid 7172] set_robust_list(0x555592b0f6a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7172 [pid 7172] <... set_robust_list resumed>) = 0 [pid 7172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7172] setpgid(0, 0) = 0 [pid 7172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7166] <... madvise resumed>) = 0 [pid 7172] write(3, "1000", 4) = 4 [pid 7172] close(3 [pid 7171] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7170] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7171] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7172] <... close resumed>) = 0 [pid 7171] <... mmap resumed>) = 0x7f2f310d3000 [pid 7171] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 7172] write(1, "executing program\n", 18 [pid 7171] <... mprotect resumed>) = 0 [pid 7172] <... write resumed>) = 18 [pid 7171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7172] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7172] <... futex resumed>) = 0 [pid 7170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7166] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7166] <... futex resumed>) = 1 [pid 7170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7166] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7161] <... futex resumed>) = 0 [pid 7170] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7161] exit_group(0 [pid 7170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7166] <... futex resumed>) = ? [pid 7161] <... exit_group resumed>) = ? [pid 7170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7172] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7173 attached [pid 7172] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7166] +++ exited with 0 +++ [pid 7170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7161] +++ exited with 0 +++ ./strace-static-x86_64: Process 7174 attached [pid 7172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7173] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7171] <... clone3 resumed> => {parent_tid=[7173]}, 88) = 7173 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7161, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7174] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7173] <... rseq resumed>) = 0 [pid 7172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7171] rt_sigprocmask(SIG_SETMASK, [], [pid 7170] <... clone3 resumed> => {parent_tid=[7174]}, 88) = 7174 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7174] <... rseq resumed>) = 0 [pid 7173] set_robust_list(0x7f2f310f39a0, 24 [pid 7172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7174] set_robust_list(0x7f2f310f39a0, 24 [pid 7173] <... set_robust_list resumed>) = 0 [pid 7172] <... mmap resumed>) = 0x7f2f310d3000 [pid 7171] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] rt_sigprocmask(SIG_SETMASK, [], [pid 7174] <... set_robust_list resumed>) = 0 [pid 7173] rt_sigprocmask(SIG_SETMASK, [], [pid 7172] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7171] <... futex resumed>) = 0 [pid 7174] rt_sigprocmask(SIG_SETMASK, [], [pid 7173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7172] <... mprotect resumed>) = 0 [pid 7171] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7173] userfaultfd(UFFD_USER_MODE_ONLY [pid 7172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7170] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] userfaultfd(UFFD_USER_MODE_ONLY [pid 7173] <... userfaultfd resumed>) = 3 [pid 7172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... restart_syscall resumed>) = 0 [pid 7174] <... userfaultfd resumed>) = 3 [pid 7173] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7170] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7175 attached [pid 7174] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 1 [pid 7171] <... futex resumed>) = 0 [pid 7175] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7174] <... futex resumed>) = 0 [pid 7173] ioctl(3, UFFDIO_API, NULL [pid 7172] <... clone3 resumed> => {parent_tid=[7175]}, 88) = 7175 [pid 7171] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7164] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7176 attached [pid 7175] <... rseq resumed>) = 0 [pid 7174] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7172] rt_sigprocmask(SIG_SETMASK, [], [pid 7171] <... futex resumed>) = 0 [pid 7170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] <... futex resumed>) = 0 [pid 7175] set_robust_list(0x7f2f310f39a0, 24 [pid 7173] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7171] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7176] set_robust_list(0x555592b0f6a0, 24 [pid 7175] <... set_robust_list resumed>) = 0 [pid 7174] <... futex resumed>) = 0 [pid 7173] <... futex resumed>) = 0 [pid 7172] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] <... futex resumed>) = 1 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7176 [pid 7176] <... set_robust_list resumed>) = 0 [pid 7175] rt_sigprocmask(SIG_SETMASK, [], [pid 7174] ioctl(3, UFFDIO_API, NULL [pid 7173] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] <... futex resumed>) = 0 [pid 7171] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7174] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7171] <... futex resumed>) = 0 [pid 7168] <... io_uring_register resumed>) = 0 [pid 7164] <... mmap resumed>) = 0x7f2f310b2000 [pid 7176] <... prctl resumed>) = 0 [pid 7175] userfaultfd(UFFD_USER_MODE_ONLY [pid 7174] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7171] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] setpgid(0, 0 [pid 7174] <... futex resumed>) = 1 [pid 7173] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7170] <... futex resumed>) = 0 [pid 7168] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... setpgid resumed>) = 0 [pid 7174] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... futex resumed>) = 0 [pid 7176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7173] <... futex resumed>) = 0 [pid 7170] <... futex resumed>) = 0 [pid 7168] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] <... openat resumed>) = 3 [pid 7174] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7173] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] <... userfaultfd resumed>) = 3 [pid 7164] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7176] write(3, "1000", 4 [pid 7175] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7171] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... write resumed>) = 4 [pid 7175] <... futex resumed>) = 1 [pid 7174] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7172] <... futex resumed>) = 0 [pid 7171] <... futex resumed>) = 1 [pid 7164] <... mprotect resumed>) = 0 [pid 7176] close(3 [pid 7175] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7174] <... futex resumed>) = 1 [pid 7173] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282executing program [pid 7172] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] <... futex resumed>) = 0 [pid 7164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7176] <... close resumed>) = 0 [pid 7175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7174] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] <... futex resumed>) = 0 [pid 7175] ioctl(3, UFFDIO_API, NULL [pid 7172] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7170] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7170] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] write(1, "executing program\n", 18 [pid 7174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] <... write resumed>) = 18 [pid 7174] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7176] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7176] <... futex resumed>) = 0 [pid 7175] <... futex resumed>) = 1 [pid 7164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7175] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] <... futex resumed>) = 0 [pid 7176] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7175] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7172] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] <... mmap resumed>) = 0x7f2f310d3000 [pid 7176] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7175] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 ./strace-static-x86_64: Process 7177 attached [pid 7176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7175] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7177] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7175] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7164] <... clone3 resumed> => {parent_tid=[7177]}, 88) = 7177 [pid 7177] <... rseq resumed>) = 0 [pid 7175] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] rt_sigprocmask(SIG_SETMASK, [], [pid 7177] set_robust_list(0x7f2f310d29a0, 24 [pid 7175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 7164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7177] <... set_robust_list resumed>) = 0 [pid 7175] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7172] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7164] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] rt_sigprocmask(SIG_SETMASK, [], [pid 7164] <... futex resumed>) = 0 [pid 7177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7164] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7177] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7176] <... clone3 resumed> => {parent_tid=[7178]}, 88) = 7178 [pid 7176] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7176] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7178 attached [pid 7177] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7178] set_robust_list(0x7f2f310f39a0, 24 [pid 7177] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 0 [pid 7178] <... set_robust_list resumed>) = 0 [pid 7178] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7178] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7164] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] <... futex resumed>) = 1 [pid 7177] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7178] ioctl(3, UFFDIO_API, NULL [pid 7176] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7176] <... futex resumed>) = 0 [pid 7176] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... futex resumed>) = 0 [pid 7178] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7168] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7176] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7168] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7176] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7168] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 0 [pid 7178] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7168] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7164] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7168] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7171] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7168] <... madvise resumed>) = 0 [pid 7171] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] <... io_uring_register resumed>) = 0 [pid 7173] <... io_uring_register resumed>) = 0 [pid 7172] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7171] <... futex resumed>) = 0 [pid 7170] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7175] <... futex resumed>) = 0 [pid 7172] <... futex resumed>) = 0 [pid 7171] <... mmap resumed>) = 0x7f2f310b2000 [pid 7172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7178] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7172] <... mmap resumed>) = 0x7f2f310b2000 [pid 7170] <... futex resumed>) = 0 [pid 7178] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7171] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7168] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 0 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] <... futex resumed>) = 0 [pid 7172] <... mprotect resumed>) = 0 [pid 7170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7178] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7176] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7171] <... mprotect resumed>) = 0 [pid 7168] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] exit_group(0 [pid 7172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7164] <... exit_group resumed>) = ? [pid 7177] <... futex resumed>) = ? [pid 7168] <... futex resumed>) = ? [pid 7171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7177] +++ exited with 0 +++ [pid 7173] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7173] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7179 attached => {parent_tid=[7179]}, 88) = 7179 [pid 7179] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7171] rt_sigprocmask(SIG_SETMASK, [], [pid 7168] +++ exited with 0 +++ [pid 7164] +++ exited with 0 +++ [pid 7179] <... rseq resumed>) = 0 [pid 7172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7164, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7179] set_robust_list(0x7f2f310d29a0, 24 [pid 7172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7171] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7179] <... set_robust_list resumed>) = 0 [pid 7171] <... futex resumed>) = 0 [pid 7179] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7180 attached NULL, 8) = 0 [pid 7174] <... io_uring_register resumed>) = 0 [pid 7171] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] <... mmap resumed>) = 0x7f2f310b2000 [pid 7180] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7179] ioctl(3, UFFDIO_REGISTER, NULL [pid 7174] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... clone3 resumed> => {parent_tid=[7180]}, 88) = 7180 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7180] <... rseq resumed>) = 0 [pid 7179] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7174] <... futex resumed>) = 0 [pid 7172] rt_sigprocmask(SIG_SETMASK, [], [pid 7170] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7180] set_robust_list(0x7f2f310d29a0, 24 [pid 7179] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7170] <... mprotect resumed>) = 0 [pid 7180] <... set_robust_list resumed>) = 0 [pid 7179] <... futex resumed>) = 1 [pid 7172] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] <... futex resumed>) = 0 [pid 7180] rt_sigprocmask(SIG_SETMASK, [], [pid 7179] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] <... io_uring_register resumed>) = 0 [pid 7172] <... futex resumed>) = 0 [pid 7171] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7181 attached [pid 7180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7178] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7172] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7171] <... futex resumed>) = 1 [pid 7170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7181] set_robust_list(0x555592b0f6a0, 24 [pid 7180] ioctl(3, UFFDIO_REGISTER, NULL [pid 7178] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7173] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7171] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7181 ./strace-static-x86_64: Process 7182 attached [pid 7181] <... set_robust_list resumed>) = 0 [pid 7180] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7178] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7182] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7180] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] <... futex resumed>) = 0 [pid 7173] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] <... rseq resumed>) = 0 [pid 7178] ioctl(3, UFFDIO_REGISTER, NULL [pid 7176] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7173] <... futex resumed>) = 1 [pid 7171] <... futex resumed>) = 0 [pid 7170] <... clone3 resumed> => {parent_tid=[7182]}, 88) = 7182 [pid 7182] set_robust_list(0x7f2f310d29a0, 24 [pid 7181] <... prctl resumed>) = 0 [pid 7180] <... futex resumed>) = 1 [pid 7178] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7173] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] <... futex resumed>) = 0 [pid 7171] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] <... set_robust_list resumed>) = 0 [pid 7181] setpgid(0, 0 [pid 7180] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] <... futex resumed>) = 0 [pid 7170] rt_sigprocmask(SIG_SETMASK, [], [pid 7182] rt_sigprocmask(SIG_SETMASK, [], [pid 7181] <... setpgid resumed>) = 0 [pid 7178] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7175] <... futex resumed>) = 0 [pid 7173] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7172] <... futex resumed>) = 1 [pid 7171] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7178] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7173] <... madvise resumed>) = 0 [pid 7172] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] ioctl(3, UFFDIO_REGISTER, NULL [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7176] <... futex resumed>) = 0 [pid 7175] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7173] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... futex resumed>) = 0 [pid 7182] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7181] <... openat resumed>) = 3 [pid 7178] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7176] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 1 [pid 7171] <... futex resumed>) = 0 [pid 7170] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7182] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] write(3, "1000", 4 [pid 7178] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7175] <... futex resumed>) = 1 [pid 7173] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7171] exit_group(0 [pid 7170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = ? [pid 7171] <... exit_group resumed>) = ? [pid 7170] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7174] <... futex resumed>) = 0 [pid 7173] +++ exited with 0 +++ [pid 7170] <... futex resumed>) = 1 [pid 7178] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7176] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7170] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] <... madvise resumed>) = 0 [pid 7176] <... futex resumed>) = 0 [pid 7174] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7176] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7174] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7174] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] <... futex resumed>) = 0 [pid 7170] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] <... futex resumed>) = 0 [pid 7170] <... futex resumed>) = 1 [pid 7174] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7182] <... futex resumed>) = 0 [pid 7181] <... write resumed>) = 4 [pid 7179] <... futex resumed>) = ? [pid 7175] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7174] <... madvise resumed>) = 0 [pid 7172] <... futex resumed>) = 0 [pid 7170] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] close(3 [pid 7174] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... futex resumed>) = 0 [pid 7170] exit_group(0) = ? [pid 7174] <... futex resumed>) = ? [pid 7174] +++ exited with 0 +++ [pid 7178] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... close resumed>) = 0 [pid 7179] +++ exited with 0 +++ [pid 7172] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] +++ exited with 0 +++ [pid 7175] <... futex resumed>) = 0 [pid 7172] <... futex resumed>) = 1 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7171, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7181] write(1, "executing program\n", 18 [pid 7175] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7172] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] <... futex resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7178] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7176] exit_group(0 [pid 7178] <... futex resumed>) = ? [pid 7176] <... exit_group resumed>) = ? [pid 7178] +++ exited with 0 +++ [pid 7176] +++ exited with 0 +++ executing program [pid 7181] <... write resumed>) = 18 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7176, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7181] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7181] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7183 attached [pid 7181] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7175] <... madvise resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7181] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7183] set_robust_list(0x555592b0f6a0, 24 [pid 7181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7175] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] <... set_robust_list resumed>) = 0 [pid 7181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7175] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7183 [pid 7181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7172] exit_group(0 [pid 7183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7182] +++ exited with 0 +++ [pid 7181] <... mmap resumed>) = 0x7f2f310d3000 [pid 7180] <... futex resumed>) = ? [pid 7172] <... exit_group resumed>) = ? [pid 7170] +++ exited with 0 +++ ./strace-static-x86_64: Process 7184 attached [pid 7183] <... prctl resumed>) = 0 [pid 7181] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7180] +++ exited with 0 +++ [pid 7175] +++ exited with 0 +++ [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7184 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7170, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7184] set_robust_list(0x555592b0f6a0, 24 [pid 7183] setpgid(0, 0 [pid 7181] <... mprotect resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7183] <... setpgid resumed>) = 0 [pid 7184] <... set_robust_list resumed>) = 0 [pid 7184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7172] +++ exited with 0 +++ [pid 7184] <... prctl resumed>) = 0 [pid 7181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7172, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7184] setpgid(0, 0 [pid 7181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7184] <... setpgid resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7185 attached [pid 7184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7183] <... openat resumed>) = 3 [pid 7185] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7183] write(3, "1000", 4 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7181] <... clone3 resumed> => {parent_tid=[7185]}, 88) = 7185 [pid 7185] <... rseq resumed>) = 0 [pid 7184] <... openat resumed>) = 3 [pid 7183] <... write resumed>) = 4 [pid 7181] rt_sigprocmask(SIG_SETMASK, [], [pid 7185] set_robust_list(0x7f2f310f39a0, 24 [pid 7184] write(3, "1000", 4 [pid 7185] <... set_robust_list resumed>) = 0 [pid 7181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7184] <... write resumed>) = 4 [pid 7185] rt_sigprocmask(SIG_SETMASK, [], [pid 7181] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7181] <... futex resumed>) = 0 [pid 7183] close(3) = 0 ./strace-static-x86_64: Process 7186 attached executing program [pid 7185] userfaultfd(UFFD_USER_MODE_ONLY [pid 7184] <... close resumed>) = 0 [pid 7183] write(1, "executing program\n", 18 [pid 7181] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7186] set_robust_list(0x555592b0f6a0, 24 [pid 7185] <... userfaultfd resumed>) = 3 [pid 7184] write(1, "executing program\n", 18 [pid 7183] <... write resumed>) = 18 executing program [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7186 [pid 7183] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... set_robust_list resumed>) = 0 [pid 7185] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... write resumed>) = 18 [pid 7183] <... futex resumed>) = 0 [pid 7186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7185] <... futex resumed>) = 1 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7181] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7187 attached [pid 7186] <... prctl resumed>) = 0 [pid 7185] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7184] <... futex resumed>) = 0 [pid 7183] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7181] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7187 [pid 7187] set_robust_list(0x555592b0f6a0, 24 [pid 7186] setpgid(0, 0 [pid 7185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7184] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7187] <... set_robust_list resumed>) = 0 [pid 7186] <... setpgid resumed>) = 0 [pid 7185] ioctl(3, UFFDIO_API, NULL [pid 7184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7181] <... futex resumed>) = 0 [pid 7186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7186] <... openat resumed>) = 3 [pid 7183] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7186] write(3, "1000", 4) = 4 [pid 7183] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7186] close(3 [pid 7183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}executing program ./strace-static-x86_64: Process 7188 attached [pid 7186] <... close resumed>) = 0 [pid 7186] write(1, "executing program\n", 18 [pid 7188] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7186] <... write resumed>) = 18 [pid 7185] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7188] <... rseq resumed>) = 0 [pid 7187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7186] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7183] <... clone3 resumed> => {parent_tid=[7188]}, 88) = 7188 [pid 7181] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7187] <... prctl resumed>) = 0 [pid 7185] <... futex resumed>) = 0 [pid 7184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7188] set_robust_list(0x7f2f310f39a0, 24 [pid 7186] <... futex resumed>) = 0 [pid 7185] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7184] <... mmap resumed>) = 0x7f2f310d3000 [pid 7183] rt_sigprocmask(SIG_SETMASK, [], [pid 7181] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... set_robust_list resumed>) = 0 [pid 7187] setpgid(0, 0 [pid 7186] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7187] <... setpgid resumed>) = 0 [pid 7187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7186] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7188] rt_sigprocmask(SIG_SETMASK, [], [pid 7186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7183] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] userfaultfd(UFFD_USER_MODE_ONLY [pid 7186] <... mmap resumed>) = 0x7f2f310d3000 [pid 7183] <... futex resumed>) = 0 [pid 7188] <... userfaultfd resumed>) = 3 [pid 7186] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7183] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7188] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... mprotect resumed>) = 0 [pid 7188] <... futex resumed>) = 1 [pid 7186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7183] <... futex resumed>) = 0 [pid 7188] ioctl(3, UFFDIO_API, NULL [pid 7186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7183] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7183] <... futex resumed>) = 0 [pid 7188] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7188] <... futex resumed>) = 0 [pid 7186] <... clone3 resumed> => {parent_tid=[7189]}, 88) = 7189 [pid 7183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7188] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7186] rt_sigprocmask(SIG_SETMASK, [], [pid 7183] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7186] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7189 attached [pid 7188] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7187] <... openat resumed>) = 3 [pid 7186] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = 0 [pid 7189] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7188] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] <... rseq resumed>) = 0 [pid 7188] <... futex resumed>) = 1 [pid 7187] write(3, "1000", 4 [pid 7185] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7184] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7183] <... futex resumed>) = 0 [pid 7181] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] set_robust_list(0x7f2f310f39a0, 24 [pid 7188] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7183] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... set_robust_list resumed>) = 0 [pid 7188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7183] <... futex resumed>) = 0 [pid 7189] rt_sigprocmask(SIG_SETMASK, [], [pid 7188] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7183] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7189] userfaultfd(UFFD_USER_MODE_ONLYexecuting program ) = 3 [pid 7187] <... write resumed>) = 4 [pid 7185] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... mprotect resumed>) = 0 [pid 7187] close(3 [pid 7189] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7187] <... close resumed>) = 0 [pid 7187] write(1, "executing program\n", 18 [pid 7185] <... futex resumed>) = 1 [pid 7181] <... futex resumed>) = 0 [pid 7184] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7187] <... write resumed>) = 18 [pid 7185] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7181] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... futex resumed>) = 1 [pid 7181] <... futex resumed>) = 0 [pid 7189] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] <... futex resumed>) = 0 [pid 7186] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7187] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... clone3 resumed> => {parent_tid=[7190]}, 88) = 7190 ./strace-static-x86_64: Process 7190 attached [pid 7190] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7187] <... futex resumed>) = 0 [pid 7184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7187] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7184] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7184] <... futex resumed>) = 0 [pid 7187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] <... rseq resumed>) = 0 [pid 7189] <... futex resumed>) = 0 [pid 7186] <... futex resumed>) = 1 [pid 7190] set_robust_list(0x7f2f310f39a0, 24 [pid 7189] ioctl(3, UFFDIO_API, NULL [pid 7186] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] <... set_robust_list resumed>) = 0 [pid 7189] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7190] rt_sigprocmask(SIG_SETMASK, [], [pid 7189] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7189] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = 0 [pid 7190] userfaultfd(UFFD_USER_MODE_ONLY [pid 7189] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7187] <... mmap resumed>) = 0x7f2f310d3000 [pid 7186] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... userfaultfd resumed>) = 3 [pid 7189] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7186] <... futex resumed>) = 0 [pid 7190] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] <... futex resumed>) = 1 [pid 7189] <... futex resumed>) = 0 [pid 7187] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7184] <... futex resumed>) = 0 [pid 7190] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7189] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7187] <... mprotect resumed>) = 0 [pid 7186] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... futex resumed>) = 0 [pid 7184] <... futex resumed>) = 0 [pid 7187] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] ioctl(3, UFFDIO_API, NULL [pid 7186] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7190] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7190] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7184] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7191 attached [pid 7190] <... futex resumed>) = 0 [pid 7184] <... futex resumed>) = 1 [pid 7191] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7187] <... clone3 resumed> => {parent_tid=[7191]}, 88) = 7191 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7191] <... rseq resumed>) = 0 [pid 7187] rt_sigprocmask(SIG_SETMASK, [], [pid 7191] set_robust_list(0x7f2f310f39a0, 24 [pid 7187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7191] <... set_robust_list resumed>) = 0 [pid 7187] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] rt_sigprocmask(SIG_SETMASK, [], [pid 7190] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7187] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7187] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7191] userfaultfd(UFFD_USER_MODE_ONLY [pid 7190] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7183] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] <... futex resumed>) = 0 [pid 7191] <... userfaultfd resumed>) = 3 [pid 7190] <... futex resumed>) = 1 [pid 7184] <... futex resumed>) = 0 [pid 7183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7191] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7184] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] <... futex resumed>) = 1 [pid 7190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7187] <... futex resumed>) = 0 [pid 7184] <... futex resumed>) = 0 [pid 7191] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7190] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7187] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] <... io_uring_register resumed>) = 0 [pid 7181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7191] ioctl(3, UFFDIO_API, NULL [pid 7181] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... futex resumed>) = 0 [pid 7185] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7187] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7185] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = 0 [pid 7181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7191] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7181] <... mmap resumed>) = 0x7f2f310b2000 [pid 7181] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7191] <... futex resumed>) = 1 [pid 7187] <... futex resumed>) = 0 [pid 7181] <... mprotect resumed>) = 0 [pid 7191] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7187] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7191] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7187] <... futex resumed>) = 0 [pid 7186] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7191] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7186] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7190] <... io_uring_register resumed>) = 0 [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7192 attached [pid 7191] <... futex resumed>) = 0 [pid 7187] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7192] <... rseq resumed>) = 0 [pid 7187] <... futex resumed>) = 0 [pid 7191] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7181] <... clone3 resumed> => {parent_tid=[7192]}, 88) = 7192 [pid 7187] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] rt_sigprocmask(SIG_SETMASK, [], [pid 7192] set_robust_list(0x7f2f310d29a0, 24 [pid 7181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7192] <... set_robust_list resumed>) = 0 [pid 7192] rt_sigprocmask(SIG_SETMASK, [], [pid 7181] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7181] <... futex resumed>) = 0 [pid 7192] ioctl(3, UFFDIO_REGISTER, NULL [pid 7181] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7192] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7192] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7181] <... futex resumed>) = 0 [pid 7192] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7181] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = 1 [pid 7185] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7181] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7185] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7185] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7181] <... futex resumed>) = 0 [pid 7190] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7181] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... futex resumed>) = 1 [pid 7185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7181] <... futex resumed>) = 0 [pid 7190] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7181] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7185] <... madvise resumed>) = 0 [pid 7184] <... futex resumed>) = 0 [pid 7184] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] <... futex resumed>) = 0 [pid 7185] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7181] <... futex resumed>) = 0 [pid 7190] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... futex resumed>) = 1 [pid 7181] exit_group(0 [pid 7192] <... futex resumed>) = ? [pid 7190] <... futex resumed>) = 1 [pid 7181] <... exit_group resumed>) = ? [pid 7192] +++ exited with 0 +++ [pid 7190] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] +++ exited with 0 +++ [pid 7181] +++ exited with 0 +++ [pid 7184] <... futex resumed>) = 0 [pid 7184] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7181, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7184] <... futex resumed>) = 1 [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7188] <... io_uring_register resumed>) = 0 [pid 7191] <... io_uring_register resumed>) = 0 [pid 7190] <... futex resumed>) = 0 [pid 7189] <... io_uring_register resumed>) = 0 [pid 7186] <... mmap resumed>) = 0x7f2f310b2000 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] <... mmap resumed>) = 0x7f2f310b2000 [pid 7188] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7189] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... futex resumed>) = 0 [pid 7186] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7183] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7191] <... futex resumed>) = 1 [pid 7190] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7189] <... futex resumed>) = 0 [pid 7188] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... futex resumed>) = 0 [pid 7186] <... mprotect resumed>) = 0 [pid 7183] <... mprotect resumed>) = 0 [pid 7191] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7190] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7190] <... futex resumed>) = 1 [pid 7187] <... futex resumed>) = 0 [pid 7186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7184] <... futex resumed>) = 0 [pid 7183] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7193 attached [pid 7191] ioctl(3, UFFDIO_REGISTER, NULL [pid 7190] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7184] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7195 attached ./strace-static-x86_64: Process 7194 attached [pid 7193] set_robust_list(0x555592b0f6a0, 24 [pid 7191] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7184] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7193 [pid 7195] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7194] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7193] <... set_robust_list resumed>) = 0 [pid 7191] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7186] <... clone3 resumed> => {parent_tid=[7194]}, 88) = 7194 [pid 7184] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] <... clone3 resumed> => {parent_tid=[7195]}, 88) = 7195 [pid 7195] <... rseq resumed>) = 0 [pid 7194] <... rseq resumed>) = 0 [pid 7193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7191] <... futex resumed>) = 1 [pid 7190] <... madvise resumed>) = 0 [pid 7187] <... futex resumed>) = 0 [pid 7186] rt_sigprocmask(SIG_SETMASK, [], [pid 7183] rt_sigprocmask(SIG_SETMASK, [], [pid 7195] set_robust_list(0x7f2f310d29a0, 24 [pid 7194] set_robust_list(0x7f2f310d29a0, 24 [pid 7193] <... prctl resumed>) = 0 [pid 7191] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7195] <... set_robust_list resumed>) = 0 [pid 7194] <... set_robust_list resumed>) = 0 [pid 7193] setpgid(0, 0 [pid 7191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7187] <... futex resumed>) = 0 [pid 7186] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] rt_sigprocmask(SIG_SETMASK, [], [pid 7194] rt_sigprocmask(SIG_SETMASK, [], [pid 7193] <... setpgid resumed>) = 0 [pid 7191] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7190] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7186] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7191] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7190] <... futex resumed>) = 1 [pid 7186] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] <... futex resumed>) = 0 [pid 7183] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] ioctl(3, UFFDIO_REGISTER, NULL [pid 7194] ioctl(3, UFFDIO_REGISTER, NULL [pid 7193] <... openat resumed>) = 3 [pid 7191] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7184] exit_group(0 [pid 7195] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7194] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7193] write(3, "1000", 4 [pid 7191] <... futex resumed>) = 1 [pid 7187] <... futex resumed>) = 0 [pid 7184] <... exit_group resumed>) = ? [pid 7195] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... write resumed>) = 4 [pid 7191] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... futex resumed>) = 1 [pid 7194] <... futex resumed>) = 1 [pid 7193] close(3 [pid 7191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7190] <... futex resumed>) = ? [pid 7187] <... futex resumed>) = 0 [pid 7186] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7195] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7194] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7193] <... close resumed>) = 0 [pid 7191] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7190] +++ exited with 0 +++ [pid 7187] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7186] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] +++ exited with 0 +++ [pid 7183] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... futex resumed>) = 0 executing program [pid 7188] <... futex resumed>) = 0 [pid 7186] <... futex resumed>) = 1 [pid 7183] <... futex resumed>) = 1 [pid 7193] write(1, "executing program\n", 18 [pid 7189] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7188] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7186] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7189] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... futex resumed>) = 1 [pid 7188] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7189] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7189] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7188] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7186] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] <... write resumed>) = 18 [pid 7191] <... madvise resumed>) = 0 [pid 7189] <... madvise resumed>) = 0 [pid 7188] <... madvise resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7184, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7193] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = 0 [pid 7191] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... futex resumed>) = 1 [pid 7188] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7191] <... futex resumed>) = 1 [pid 7189] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] <... futex resumed>) = 1 [pid 7186] exit_group(0 [pid 7183] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = ? [pid 7193] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7191] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7189] <... futex resumed>) = ? [pid 7188] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... futex resumed>) = 0 [pid 7186] <... exit_group resumed>) = ? [pid 7183] exit_group(0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7195] <... futex resumed>) = ? [pid 7194] +++ exited with 0 +++ [pid 7193] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7189] +++ exited with 0 +++ [pid 7188] <... futex resumed>) = ? [pid 7187] exit_group(0 [pid 7186] +++ exited with 0 +++ [pid 7183] <... exit_group resumed>) = ? [pid 7195] +++ exited with 0 +++ [pid 7193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7191] <... futex resumed>) = ? [pid 7188] +++ exited with 0 +++ [pid 7187] <... exit_group resumed>) = ? [pid 7183] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7186, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7191] +++ exited with 0 +++ [pid 7193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7196 attached [pid 7193] <... mmap resumed>) = 0x7f2f310d3000 [pid 7193] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7183, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7193] <... mprotect resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7196] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7196 [pid 7196] <... prctl resumed>) = 0 [pid 7196] setpgid(0, 0 [pid 7193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7187] +++ exited with 0 +++ [pid 5831] <... restart_syscall resumed>) = 0 [pid 7193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7196] <... setpgid resumed>) = 0 [pid 7193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7187, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7197 attached [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7197] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7196] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7200 attached ./strace-static-x86_64: Process 7199 attached ./strace-static-x86_64: Process 7198 attached [pid 7197] <... rseq resumed>) = 0 [pid 7193] <... clone3 resumed> => {parent_tid=[7197]}, 88) = 7197 [pid 7197] set_robust_list(0x7f2f310f39a0, 24 [pid 7193] rt_sigprocmask(SIG_SETMASK, [], [pid 7200] set_robust_list(0x555592b0f6a0, 24 [pid 7198] set_robust_list(0x555592b0f6a0, 24 [pid 7197] <... set_robust_list resumed>) = 0 [pid 7196] write(3, "1000", 4 [pid 7193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7200 [pid 7200] <... set_robust_list resumed>) = 0 [pid 7199] set_robust_list(0x555592b0f6a0, 24 [pid 7198] <... set_robust_list resumed>) = 0 [pid 7197] rt_sigprocmask(SIG_SETMASK, [], [pid 7196] <... write resumed>) = 4 [pid 7193] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7198 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7199 [pid 7199] <... set_robust_list resumed>) = 0 [pid 7197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7193] <... futex resumed>) = 0 [pid 7196] close(3 [pid 7199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7197] userfaultfd(UFFD_USER_MODE_ONLY [pid 7196] <... close resumed>) = 0 [pid 7193] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] <... userfaultfd resumed>) = 3 [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7199] <... prctl resumed>) = 0 [pid 7197] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... prctl resumed>) = 0 [pid 7197] <... futex resumed>) = 1 [pid 7193] <... futex resumed>) = 0 [pid 7200] setpgid(0, 0 [pid 7197] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] <... setpgid resumed>) = 0 [pid 7199] setpgid(0, 0 [pid 7197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7193] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... setpgid resumed>) = 0 [pid 7197] ioctl(3, UFFDIO_API, NULL [pid 7193] <... futex resumed>) = 0 [pid 7193] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7196] write(1, "executing program\n", 18 [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7197] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7193] <... futex resumed>) = 0 [pid 7197] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7193] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... openat resumed>) = 3 [pid 7196] <... write resumed>) = 18 [pid 7197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7193] <... futex resumed>) = 0 [pid 7193] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7196] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... openat resumed>) = 3 [pid 7199] write(3, "1000", 4 [pid 7198] <... prctl resumed>) = 0 [pid 7196] <... futex resumed>) = 0 [pid 7198] setpgid(0, 0 [pid 7196] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7197] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 executing program [pid 7200] write(3, "1000", 4 [pid 7199] <... write resumed>) = 4 executing program executing program [pid 7200] <... write resumed>) = 4 [pid 7199] close(3 [pid 7200] close(3 [pid 7199] <... close resumed>) = 0 [pid 7200] <... close resumed>) = 0 [pid 7199] write(1, "executing program\n", 18 [pid 7200] write(1, "executing program\n", 18 [pid 7199] <... write resumed>) = 18 [pid 7200] <... write resumed>) = 18 [pid 7199] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = 0 [pid 7196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7200] <... futex resumed>) = 0 [pid 7199] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7198] <... setpgid resumed>) = 0 [pid 7197] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7193] <... futex resumed>) = 0 [pid 7200] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7198] <... openat resumed>) = 3 [pid 7197] <... futex resumed>) = 1 [pid 7196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7193] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] write(3, "1000", 4 [pid 7197] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7196] <... mmap resumed>) = 0x7f2f310d3000 [pid 7193] <... futex resumed>) = 0 [pid 7200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7198] <... write resumed>) = 4 [pid 7193] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7199] <... mmap resumed>) = 0x7f2f310d3000 [pid 7198] close(3 [pid 7196] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7200] <... mmap resumed>) = 0x7f2f310d3000 [pid 7199] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7200] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7199] <... mprotect resumed>) = 0 [pid 7198] <... close resumed>) = 0 [pid 7196] <... mprotect resumed>) = 0 [pid 7200] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 7198] write(1, "executing program\n", 18 [pid 7196] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7198] <... write resumed>) = 18 [pid 7196] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7198] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7201 attached [pid 7198] <... futex resumed>) = 0 [pid 7198] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7196] <... clone3 resumed> => {parent_tid=[7201]}, 88) = 7201 [pid 7198] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7196] rt_sigprocmask(SIG_SETMASK, [], [pid 7198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7196] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7196] <... futex resumed>) = 0 [pid 7198] <... mmap resumed>) = 0x7f2f310d3000 [pid 7196] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7201] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7201] set_robust_list(0x7f2f310f39a0, 24 [pid 7198] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7201] <... set_robust_list resumed>) = 0 [pid 7201] rt_sigprocmask(SIG_SETMASK, [], [pid 7198] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7201] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7198] <... clone3 resumed> => {parent_tid=[7202]}, 88) = 7202 ./strace-static-x86_64: Process 7202 attached [pid 7201] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7202] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7202] <... rseq resumed>) = 0 [pid 7201] <... futex resumed>) = 1 [pid 7196] <... futex resumed>) = 0 [pid 7202] set_robust_list(0x7f2f310f39a0, 24./strace-static-x86_64: Process 7203 attached ) = 0 [pid 7200] <... clone3 resumed> => {parent_tid=[7203]}, 88) = 7203 [pid 7199] <... clone3 resumed> => {parent_tid=[7204]}, 88) = 7204 [pid 7202] rt_sigprocmask(SIG_SETMASK, [], [pid 7200] rt_sigprocmask(SIG_SETMASK, [], [pid 7199] rt_sigprocmask(SIG_SETMASK, [], [pid 7203] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7203] set_robust_list(0x7f2f310f39a0, 24 [pid 7202] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... set_robust_list resumed>) = 0 [pid 7200] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 0 [pid 7203] rt_sigprocmask(SIG_SETMASK, [], [pid 7200] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7199] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7203] userfaultfd(UFFD_USER_MODE_ONLY./strace-static-x86_64: Process 7204 attached ) = 3 [pid 7201] ioctl(3, UFFDIO_API, NULL [pid 7198] rt_sigprocmask(SIG_SETMASK, [], [pid 7196] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7203] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7196] <... futex resumed>) = 0 [pid 7201] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... futex resumed>) = 0 [pid 7198] <... futex resumed>) = 1 [pid 7202] <... futex resumed>) = 0 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] <... futex resumed>) = 1 [pid 7202] userfaultfd(UFFD_USER_MODE_ONLY [pid 7201] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7200] <... futex resumed>) = 0 [pid 7198] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7196] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7203] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] <... userfaultfd resumed>) = 3 [pid 7201] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7200] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 0 [pid 7204] <... rseq resumed>) = 0 [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7202] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... futex resumed>) = 0 [pid 7196] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] set_robust_list(0x7f2f310f39a0, 24 [pid 7203] ioctl(3, UFFDIO_API, NULL [pid 7202] <... futex resumed>) = 1 [pid 7201] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 0 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7204] <... set_robust_list resumed>) = 0 [pid 7203] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7202] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7201] <... futex resumed>) = 0 [pid 7198] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] rt_sigprocmask(SIG_SETMASK, [], [pid 7203] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7201] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7198] <... futex resumed>) = 0 [pid 7196] <... futex resumed>) = 0 [pid 7204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7203] <... futex resumed>) = 1 [pid 7202] ioctl(3, UFFDIO_API, NULL [pid 7200] <... futex resumed>) = 0 [pid 7204] userfaultfd(UFFD_USER_MODE_ONLY [pid 7203] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7196] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7202] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = 0 [pid 7200] <... futex resumed>) = 0 [pid 7202] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7200] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7204] <... userfaultfd resumed>) = 3 [pid 7198] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7203] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7202] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 0 [pid 7198] <... futex resumed>) = 1 [pid 7204] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7199] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7202] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7204] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 1 [pid 7204] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7199] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7204] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7199] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 1 [pid 7204] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7203] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = 1 [pid 7199] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] <... futex resumed>) = 0 [pid 7203] <... futex resumed>) = 1 [pid 7202] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] <... futex resumed>) = 0 [pid 7203] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 7203] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7200] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7198] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = 0 [pid 7198] <... futex resumed>) = 1 [pid 7204] <... futex resumed>) = 1 [pid 7202] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7199] <... futex resumed>) = 0 [pid 7198] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7199] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7204] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 1 [pid 7193] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 7204] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7199] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7193] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7193] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7197] <... io_uring_register resumed>) = 0 [pid 7193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7197] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7197] <... futex resumed>) = 0 [pid 7193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7197] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7205 attached [pid 7196] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7196] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7205] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7205] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7205] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7205] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7198] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7193] <... clone3 resumed> => {parent_tid=[7205]}, 88) = 7205 [pid 7200] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] rt_sigprocmask(SIG_SETMASK, [], [pid 7200] <... futex resumed>) = 0 [pid 7198] <... futex resumed>) = 0 [pid 7193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7193] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... futex resumed>) = 0 [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7193] <... futex resumed>) = 1 [pid 7205] ioctl(3, UFFDIO_REGISTER, NULL [pid 7193] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7205] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7205] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7193] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7199] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7193] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7199] <... futex resumed>) = 0 [pid 7197] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7197] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7197] <... futex resumed>) = 1 [pid 7193] <... futex resumed>) = 0 [pid 7193] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7193] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7196] <... mmap resumed>) = 0x7f2f310b2000 [pid 7196] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7196] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7206 attached => {parent_tid=[7206]}, 88) = 7206 [pid 7196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7196] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7201] <... io_uring_register resumed>) = 0 [pid 7196] <... futex resumed>) = 0 [pid 7206] <... rseq resumed>) = 0 [pid 7196] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7206] set_robust_list(0x7f2f310d29a0, 24 [pid 7201] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7201] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7206] <... set_robust_list resumed>) = 0 [pid 7206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7206] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7206] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7206] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... futex resumed>) = 0 [pid 7196] <... futex resumed>) = 1 [pid 7201] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7196] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7201] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7196] <... futex resumed>) = 0 [pid 7201] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7196] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... madvise resumed>) = 0 [pid 7197] <... madvise resumed>) = 0 [pid 7196] <... futex resumed>) = 0 [pid 7196] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7196] <... futex resumed>) = 0 [pid 7196] exit_group(0 [pid 7206] <... futex resumed>) = ? [pid 7196] <... exit_group resumed>) = ? [pid 7206] +++ exited with 0 +++ [pid 7200] <... mmap resumed>) = 0x7f2f310b2000 [pid 7197] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7197] <... futex resumed>) = 1 [pid 7193] <... futex resumed>) = 0 [pid 7193] exit_group(0 [pid 7201] +++ exited with 0 +++ [pid 7200] <... mprotect resumed>) = 0 [pid 7196] +++ exited with 0 +++ [pid 7193] <... exit_group resumed>) = ? [pid 7205] <... futex resumed>) = ? [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7196, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 7205] +++ exited with 0 +++ [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7199] <... mmap resumed>) = 0x7f2f310b2000 [pid 7199] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7207 attached [pid 7198] <... mmap resumed>) = 0x7f2f310b2000 [pid 7200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7199] <... clone3 resumed> => {parent_tid=[7207]}, 88) = 7207 [pid 7198] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7207] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7199] rt_sigprocmask(SIG_SETMASK, [], [pid 7198] <... mprotect resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7207] <... rseq resumed>) = 0 [pid 7204] <... io_uring_register resumed>) = 0 [pid 7199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7207] set_robust_list(0x7f2f310d29a0, 24 [pid 7200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7199] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7197] +++ exited with 0 +++ [pid 7193] +++ exited with 0 +++ [pid 7207] <... set_robust_list resumed>) = 0 [pid 7204] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = 0 [pid 7198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7193, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 7208 attached [pid 7207] rt_sigprocmask(SIG_SETMASK, [], [pid 7204] <... futex resumed>) = 0 [pid 7203] <... io_uring_register resumed>) = 0 [pid 7202] <... io_uring_register resumed>) = 0 [pid 7199] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7210 attached ./strace-static-x86_64: Process 7209 attached [pid 7208] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7204] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... clone3 resumed> => {parent_tid=[7210]}, 88) = 7210 [pid 7198] <... clone3 resumed> => {parent_tid=[7208]}, 88) = 7208 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7209 [pid 7210] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7209] set_robust_list(0x555592b0f6a0, 24 [pid 7208] <... rseq resumed>) = 0 [pid 7207] ioctl(3, UFFDIO_REGISTER, NULL [pid 7203] <... futex resumed>) = 0 [pid 7202] <... futex resumed>) = 0 [pid 7200] rt_sigprocmask(SIG_SETMASK, [], [pid 7198] rt_sigprocmask(SIG_SETMASK, [], [pid 7210] <... rseq resumed>) = 0 [pid 7209] <... set_robust_list resumed>) = 0 [pid 7208] set_robust_list(0x7f2f310d29a0, 24 [pid 7207] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7203] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7210] set_robust_list(0x7f2f310d29a0, 24 [pid 7208] <... set_robust_list resumed>) = 0 [pid 7207] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... set_robust_list resumed>) = 0 [pid 7209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7208] rt_sigprocmask(SIG_SETMASK, [], [pid 7207] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 0 [pid 7198] <... futex resumed>) = 0 [pid 7210] rt_sigprocmask(SIG_SETMASK, [], [pid 7209] <... prctl resumed>) = 0 [pid 7208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7207] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7199] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7209] setpgid(0, 0 [pid 7208] ioctl(3, UFFDIO_REGISTER, NULL [pid 7204] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 1 [pid 7210] ioctl(3, UFFDIO_REGISTER, NULL [pid 7209] <... setpgid resumed>) = 0 [pid 7208] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7204] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7199] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7210] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7208] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7210] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... futex resumed>) = 1 [pid 7204] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] <... futex resumed>) = 0 [pid 7210] <... futex resumed>) = 1 [pid 7208] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7204] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7199] <... futex resumed>) = 0 [pid 7198] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7204] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] <... futex resumed>) = 0 [pid 7200] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] <... futex resumed>) = 1 [pid 7209] <... openat resumed>) = 3 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] <... futex resumed>) = 0 [pid 7202] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7200] <... futex resumed>) = 1 [pid 7199] <... futex resumed>) = 0 [pid 7198] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] write(3, "1000", 4 [pid 7204] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7203] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7202] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7200] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7199] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] <... write resumed>) = 4 [pid 7203] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7202] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] close(3 [pid 7203] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7209] <... close resumed>) = 0 [pid 7203] <... futex resumed>) = 1 [pid 7202] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] <... futex resumed>) = 0 [pid 7198] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7209] write(1, "executing program\n", 18 [pid 7203] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7211 attached [pid 7209] <... write resumed>) = 18 [pid 7204] <... madvise resumed>) = 0 [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7202] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7200] <... futex resumed>) = 0 [pid 7198] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7211 [pid 7204] <... futex resumed>) = 1 [pid 7199] <... futex resumed>) = 0 [pid 7204] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7199] exit_group(0 [pid 7207] <... futex resumed>) = ? [pid 7204] <... futex resumed>) = ? [pid 7199] <... exit_group resumed>) = ? [pid 7211] set_robust_list(0x555592b0f6a0, 24 [pid 7209] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] +++ exited with 0 +++ [pid 7204] +++ exited with 0 +++ [pid 7203] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7202] <... madvise resumed>) = 0 [pid 7200] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... set_robust_list resumed>) = 0 [pid 7209] <... futex resumed>) = 0 [pid 7209] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7199] +++ exited with 0 +++ [pid 7209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7211] <... prctl resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7199, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7202] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... mmap resumed>) = 0x7f2f310d3000 [pid 7202] <... futex resumed>) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7211] setpgid(0, 0) = 0 [pid 7209] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7202] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7198] exit_group(0 [pid 7208] <... futex resumed>) = ? [pid 7198] <... exit_group resumed>) = ? [pid 7211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7209] <... mprotect resumed>) = 0 [pid 7208] +++ exited with 0 +++ [pid 7202] <... futex resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 7212 attached [pid 7209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7212] set_robust_list(0x555592b0f6a0, 24./strace-static-x86_64: Process 7213 attached ) = 0 [pid 7212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7209] <... clone3 resumed> => {parent_tid=[7213]}, 88) = 7213 [pid 7213] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7213] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7213] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7212] <... prctl resumed>) = 0 [pid 7212] setpgid(0, 0) = 0 [pid 7212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7211] <... openat resumed>) = 3 [pid 7209] rt_sigprocmask(SIG_SETMASK, [], [pid 7203] <... madvise resumed>) = 0 [pid 7211] write(3, "1000", 4 [pid 7209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7212 [pid 7211] <... write resumed>) = 4 [pid 7209] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] +++ exited with 0 +++ [pid 7198] +++ exited with 0 +++ [pid 7211] close(3 [pid 7213] <... futex resumed>) = 0 [pid 7212] <... openat resumed>) = 3 [pid 7211] <... close resumed>) = 0 [pid 7209] <... futex resumed>) = 1 [pid 7203] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7198, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7213] userfaultfd(UFFD_USER_MODE_ONLY [pid 7212] write(3, "1000", 4executing program [pid 7211] write(1, "executing program\n", 18 [pid 7209] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7203] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7213] <... userfaultfd resumed>) = 3 executing program [pid 7212] <... write resumed>) = 4 [pid 7211] <... write resumed>) = 18 [pid 7203] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] exit_group(0 [pid 7211] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... futex resumed>) = ? [pid 7200] <... exit_group resumed>) = ? [pid 7211] <... futex resumed>) = 0 [pid 7210] <... futex resumed>) = ? [pid 7203] +++ exited with 0 +++ [pid 7212] close(3) = 0 [pid 7212] write(1, "executing program\n", 18 [pid 7213] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... write resumed>) = 18 [pid 7213] <... futex resumed>) = 1 [pid 7212] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7209] <... futex resumed>) = 0 [pid 7211] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7212] <... futex resumed>) = 0 [pid 7209] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7209] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7213] ioctl(3, UFFDIO_API, NULL [pid 7212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7213] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7213] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7211] <... mmap resumed>) = 0x7f2f310d3000 [pid 7213] <... futex resumed>) = 1 [pid 7212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7209] <... futex resumed>) = 0 [pid 7213] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7212] <... mmap resumed>) = 0x7f2f310d3000 [pid 7212] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7212] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[7214]}, 88) = 7214 [pid 7212] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7212] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7212] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7214 attached [pid 7209] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7213] <... futex resumed>) = 0 [pid 7211] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7209] <... futex resumed>) = 1 [pid 7213] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1./strace-static-x86_64: Process 7215 attached , sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7211] <... mprotect resumed>) = 0 [pid 7209] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7210] +++ exited with 0 +++ [pid 7200] +++ exited with 0 +++ [pid 7213] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7215] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7214] <... rseq resumed>) = 0 [pid 7213] <... futex resumed>) = 1 [pid 7211] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7209] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7215 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7200, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7214] set_robust_list(0x7f2f310f39a0, 24 [pid 7213] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7209] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7215] <... prctl resumed>) = 0 [pid 7214] <... set_robust_list resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7214] rt_sigprocmask(SIG_SETMASK, [], [pid 7209] <... futex resumed>) = 0 [pid 7215] setpgid(0, 0 [pid 7214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7209] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... clone3 resumed> => {parent_tid=[7216]}, 88) = 7216 ./strace-static-x86_64: Process 7216 attached [pid 7215] <... setpgid resumed>) = 0 [pid 7214] userfaultfd(UFFD_USER_MODE_ONLY [pid 7211] rt_sigprocmask(SIG_SETMASK, [], [pid 7216] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7214] <... userfaultfd resumed>) = 3 [pid 7211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7216] set_robust_list(0x7f2f310f39a0, 24 [pid 7215] <... openat resumed>) = 3 [pid 7214] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... set_robust_list resumed>) = 0 [pid 7215] write(3, "1000", 4 [pid 7214] <... futex resumed>) = 1 [pid 7211] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7217 attached [pid 7216] rt_sigprocmask(SIG_SETMASK, [], [pid 7215] <... write resumed>) = 4 [pid 7214] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] set_robust_list(0x555592b0f6a0, 24 [pid 7216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7215] close(3 [pid 7217] <... set_robust_list resumed>) = 0 [pid 7216] userfaultfd(UFFD_USER_MODE_ONLY [pid 7215] <... close resumed>) = 0 [pid 7216] <... userfaultfd resumed>) = 3 [pid 7215] write(1, "executing program\n", 18 [pid 7216] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... write resumed>) = 18 [pid 7216] <... futex resumed>) = 1 [pid 7211] <... futex resumed>) = 0 [pid 7216] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7215] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7215] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7216] ioctl(3, UFFDIO_API, NULL [pid 7211] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7216] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7216] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7217 [pid 7217] <... prctl resumed>) = 0 [pid 7216] <... futex resumed>) = 1 [pid 7215] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7216] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] setpgid(0, 0 [pid 7215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7211] <... futex resumed>) = 0 [pid 7217] <... setpgid resumed>) = 0 [pid 7216] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7211] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7217] <... openat resumed>) = 3 [pid 7216] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7215] <... mmap resumed>) = 0x7f2f310d3000 [pid 7212] <... futex resumed>) = 0 [pid 7212] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = 1 [pid 7214] ioctl(3, UFFDIO_API, NULL [pid 7212] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] write(3, "1000", 4 [pid 7216] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7217] <... write resumed>) = 4 [pid 7216] <... futex resumed>) = 1 [pid 7215] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7217] close(3 [pid 7216] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7215] <... mprotect resumed>) = 0 [pid 7214] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... close resumed>) = 0 executing program [pid 7217] write(1, "executing program\n", 18 [pid 7215] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7214] <... futex resumed>) = 1 [pid 7212] <... futex resumed>) = 0 [pid 7217] <... write resumed>) = 18 [pid 7214] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7212] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7217] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7212] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7218 attached [pid 7217] <... futex resumed>) = 0 [pid 7214] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7217] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7215] <... clone3 resumed> => {parent_tid=[7218]}, 88) = 7218 [pid 7214] <... futex resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 1 [pid 7218] <... rseq resumed>) = 0 [pid 7217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7216] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7215] rt_sigprocmask(SIG_SETMASK, [], [pid 7214] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] set_robust_list(0x7f2f310f39a0, 24 [pid 7217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7212] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... set_robust_list resumed>) = 0 [pid 7214] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = 1 [pid 7218] rt_sigprocmask(SIG_SETMASK, [], [pid 7214] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7212] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7218] userfaultfd(UFFD_USER_MODE_ONLY [pid 7217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7215] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... userfaultfd resumed>) = 3 [pid 7217] <... mmap resumed>) = 0x7f2f310d3000 [pid 7215] <... futex resumed>) = 0 [pid 7218] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7215] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7218] <... futex resumed>) = 0 [pid 7218] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] <... mprotect resumed>) = 0 [pid 7215] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... futex resumed>) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7215] <... futex resumed>) = 1 [pid 7209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7218] ioctl(3, UFFDIO_API, NULL [pid 7215] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7218] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7218] <... futex resumed>) = 1 [pid 7215] <... futex resumed>) = 0 [pid 7218] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7215] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7215] <... futex resumed>) = 0 [pid 7218] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7215] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7218] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... futex resumed>) = 0 [pid 7215] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7215] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] <... futex resumed>) = 1 [pid 7218] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282./strace-static-x86_64: Process 7219 attached [pid 7217] <... clone3 resumed> => {parent_tid=[7219]}, 88) = 7219 [pid 7213] <... io_uring_register resumed>) = 0 [pid 7209] <... mmap resumed>) = 0x7f2f310b2000 [pid 7219] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7217] rt_sigprocmask(SIG_SETMASK, [], [pid 7213] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7219] <... rseq resumed>) = 0 [pid 7217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7213] <... futex resumed>) = 0 [pid 7209] <... mprotect resumed>) = 0 [pid 7219] set_robust_list(0x7f2f310f39a0, 24 [pid 7217] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7219] <... set_robust_list resumed>) = 0 [pid 7217] <... futex resumed>) = 0 [pid 7213] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7219] rt_sigprocmask(SIG_SETMASK, [], [pid 7217] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7220 attached [pid 7219] userfaultfd(UFFD_USER_MODE_ONLY [pid 7211] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7209] <... clone3 resumed> => {parent_tid=[7220]}, 88) = 7220 [pid 7220] <... rseq resumed>) = 0 [pid 7219] <... userfaultfd resumed>) = 3 [pid 7211] <... futex resumed>) = 0 [pid 7209] rt_sigprocmask(SIG_SETMASK, [], [pid 7220] set_robust_list(0x7f2f310d29a0, 24 [pid 7219] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7220] <... set_robust_list resumed>) = 0 [pid 7219] <... futex resumed>) = 1 [pid 7217] <... futex resumed>) = 0 [pid 7209] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] rt_sigprocmask(SIG_SETMASK, [], [pid 7219] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... futex resumed>) = 0 [pid 7220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] <... futex resumed>) = 0 [pid 7209] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7220] ioctl(3, UFFDIO_REGISTER, NULL [pid 7219] ioctl(3, UFFDIO_API, NULL [pid 7217] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7220] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7219] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7220] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 0 [pid 7220] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] <... futex resumed>) = 1 [pid 7217] <... futex resumed>) = 0 [pid 7209] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = 0 [pid 7209] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7213] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7219] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7216] <... io_uring_register resumed>) = 0 [pid 7214] <... io_uring_register resumed>) = 0 [pid 7213] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7212] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7211] <... mmap resumed>) = 0x7f2f310b2000 [pid 7216] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7219] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7216] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = 1 [pid 7212] <... futex resumed>) = 0 [pid 7211] <... mprotect resumed>) = 0 [pid 7209] <... futex resumed>) = 0 [pid 7219] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7211] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7209] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 1 [pid 7217] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7212] <... mmap resumed>) = 0x7f2f310b2000 [pid 7211] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7209] <... futex resumed>) = 0 [pid 7219] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7212] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7209] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] <... futex resumed>) = 0 [pid 7212] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7221 attached [pid 7219] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7217] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] <... madvise resumed>) = 0 [pid 7212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7221] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7222 attached => {parent_tid=[7222]}, 88) = 7222 [pid 7212] rt_sigprocmask(SIG_SETMASK, [], [pid 7222] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7222] <... rseq resumed>) = 0 [pid 7212] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] set_robust_list(0x7f2f310d29a0, 24 [pid 7212] <... futex resumed>) = 0 [pid 7222] <... set_robust_list resumed>) = 0 [pid 7221] <... rseq resumed>) = 0 [pid 7214] <... futex resumed>) = 0 [pid 7213] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... clone3 resumed> => {parent_tid=[7221]}, 88) = 7221 [pid 7222] rt_sigprocmask(SIG_SETMASK, [], [pid 7221] set_robust_list(0x7f2f310d29a0, 24 [pid 7215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7214] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] <... futex resumed>) = 1 [pid 7211] rt_sigprocmask(SIG_SETMASK, [], [pid 7209] <... futex resumed>) = 0 [pid 7222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7221] <... set_robust_list resumed>) = 0 [pid 7215] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7209] exit_group(0 [pid 7222] ioctl(3, UFFDIO_REGISTER, NULL [pid 7221] rt_sigprocmask(SIG_SETMASK, [], [pid 7220] <... futex resumed>) = ? [pid 7215] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = ? [pid 7211] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... exit_group resumed>) = ? [pid 7222] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7220] +++ exited with 0 +++ [pid 7215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7213] +++ exited with 0 +++ [pid 7211] <... futex resumed>) = 0 [pid 7209] +++ exited with 0 +++ [pid 7222] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] ioctl(3, UFFDIO_REGISTER, NULL [pid 7211] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7209, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7222] <... futex resumed>) = 1 [pid 7221] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7212] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7222] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] <... futex resumed>) = 1 [pid 7214] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = 1 [pid 7211] <... futex resumed>) = 0 [pid 7221] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7214] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7212] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 7214] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7211] <... futex resumed>) = 1 [pid 7216] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7214] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7216] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7214] <... futex resumed>) = 1 [pid 7212] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7223 attached [pid 7216] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7212] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] set_robust_list(0x555592b0f6a0, 24 [pid 7216] <... futex resumed>) = 1 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7212] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7223 [pid 7223] <... set_robust_list resumed>) = 0 [pid 7216] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7214] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7212] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7214] <... madvise resumed>) = 0 [pid 7211] <... futex resumed>) = 0 [pid 7216] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED) = 0 [pid 7223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7216] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... prctl resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 7214] <... futex resumed>) = 1 [pid 7212] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7223] setpgid(0, 0 [pid 7216] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7214] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7212] exit_group(0 [pid 7211] exit_group(0 [pid 7223] <... setpgid resumed>) = 0 [pid 7222] <... futex resumed>) = ? [pid 7215] <... mmap resumed>) = 0x7f2f310b2000 [pid 7214] <... futex resumed>) = ? [pid 7212] <... exit_group resumed>) = ? [pid 7216] <... futex resumed>) = ? [pid 7211] <... exit_group resumed>) = ? [pid 7223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7222] +++ exited with 0 +++ [pid 7221] <... futex resumed>) = ? [pid 7215] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7216] +++ exited with 0 +++ [pid 7215] <... mprotect resumed>) = 0 [pid 7215] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7217] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7224 attached [pid 7221] +++ exited with 0 +++ [pid 7217] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] +++ exited with 0 +++ [pid 7223] <... openat resumed>) = 3 [pid 7224] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7215] <... clone3 resumed> => {parent_tid=[7224]}, 88) = 7224 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7211, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7224] <... rseq resumed>) = 0 [pid 7223] write(3, "1000", 4 [pid 7218] <... io_uring_register resumed>) = 0 [pid 7217] <... futex resumed>) = 0 [pid 7215] rt_sigprocmask(SIG_SETMASK, [], [pid 7214] +++ exited with 0 +++ [pid 7212] +++ exited with 0 +++ [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7224] set_robust_list(0x7f2f310d29a0, 24 [pid 7223] <... write resumed>) = 4 [pid 7219] <... io_uring_register resumed>) = 0 [pid 7217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7212, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7224] <... set_robust_list resumed>) = 0 [pid 7223] close(3 [pid 7219] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... mmap resumed>) = 0x7f2f310b2000 [pid 7215] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] rt_sigprocmask(SIG_SETMASK, [], [pid 7223] <... close resumed>) = 0 [pid 7219] <... futex resumed>) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7217] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7215] <... futex resumed>) = 0 [pid 7224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7223] write(1, "executing program\n", 18 [pid 7219] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7218] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] <... mprotect resumed>) = 0 [pid 7215] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7225 attached [pid 7224] ioctl(3, UFFDIO_REGISTER, NULL [pid 7223] <... write resumed>) = 18 [pid 7217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7225] set_robust_list(0x555592b0f6a0, 24 [pid 7224] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7223] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7225 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7225] <... set_robust_list resumed>) = 0 [pid 7224] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = 0 [pid 7217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7226 attached [pid 7225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7224] <... futex resumed>) = 1 [pid 7223] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7215] <... futex resumed>) = 0 [pid 7226] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7225] <... prctl resumed>) = 0 [pid 7224] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7223] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7217] <... clone3 resumed> => {parent_tid=[7226]}, 88) = 7226 [pid 7215] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7227 attached [pid 7226] <... rseq resumed>) = 0 [pid 7225] setpgid(0, 0 [pid 7223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7218] <... futex resumed>) = 0 [pid 7217] rt_sigprocmask(SIG_SETMASK, [], [pid 7215] <... futex resumed>) = 1 [pid 7227] set_robust_list(0x555592b0f6a0, 24 [pid 7226] set_robust_list(0x7f2f310d29a0, 24 [pid 7225] <... setpgid resumed>) = 0 [pid 7223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7218] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7215] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7227 [pid 7227] <... set_robust_list resumed>) = 0 [pid 7226] <... set_robust_list resumed>) = 0 [pid 7225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7218] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7217] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7226] rt_sigprocmask(SIG_SETMASK, [], [pid 7225] <... openat resumed>) = 3 [pid 7223] <... mmap resumed>) = 0x7f2f310d3000 [pid 7218] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = 0 [pid 7227] <... prctl resumed>) = 0 [pid 7226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7225] write(3, "1000", 4 [pid 7223] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7218] <... futex resumed>) = 1 [pid 7217] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7215] <... futex resumed>) = 0 [pid 7227] setpgid(0, 0 [pid 7226] ioctl(3, UFFDIO_REGISTER, NULL [pid 7225] <... write resumed>) = 4 [pid 7223] <... mprotect resumed>) = 0 [pid 7218] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7215] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] <... setpgid resumed>) = 0 [pid 7226] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7225] close(3 [pid 7223] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7215] <... futex resumed>) = 0 [pid 7227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7226] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] <... close resumed>) = 0 [pid 7223] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7218] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKEDexecuting program [pid 7215] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] <... futex resumed>) = 1 [pid 7225] write(1, "executing program\n", 18 [pid 7223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7217] <... futex resumed>) = 0 [pid 7226] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7225] <... write resumed>) = 18 [pid 7217] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7228 attached [pid 7227] <... openat resumed>) = 3 [pid 7225] <... futex resumed>) = 0 [pid 7219] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7217] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7228] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7227] write(3, "1000", 4) = 4 [pid 7228] <... rseq resumed>) = 0 [pid 7227] close(3 [pid 7225] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7223] <... clone3 resumed> => {parent_tid=[7228]}, 88) = 7228 [pid 7219] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7228] set_robust_list(0x7f2f310f39a0, 24 [pid 7227] <... close resumed>) = 0 [pid 7225] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 7223] rt_sigprocmask(SIG_SETMASK, [], [pid 7219] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] write(1, "executing program\n", 18 [pid 7219] <... futex resumed>) = 1 [pid 7218] <... madvise resumed>) = 0 [pid 7217] <... futex resumed>) = 0 [pid 7228] <... set_robust_list resumed>) = 0 [pid 7227] <... write resumed>) = 18 [pid 7225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7219] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] <... futex resumed>) = 0 [pid 7227] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7218] <... futex resumed>) = 1 [pid 7215] <... futex resumed>) = 0 [pid 7227] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7218] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7215] exit_group(0 [pid 7227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7224] <... futex resumed>) = ? [pid 7218] <... futex resumed>) = ? [pid 7215] <... exit_group resumed>) = ? [pid 7227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7224] +++ exited with 0 +++ [pid 7218] +++ exited with 0 +++ [pid 7215] +++ exited with 0 +++ [pid 7227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7215, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7228] rt_sigprocmask(SIG_SETMASK, [], [pid 7227] <... mmap resumed>) = 0x7f2f310d3000 [pid 7225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7223] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7219] <... futex resumed>) = 0 [pid 7217] <... futex resumed>) = 1 [pid 7228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7227] <... mprotect resumed>) = 0 [pid 7225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7223] <... futex resumed>) = 0 [pid 7219] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7217] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7225] <... mmap resumed>) = 0x7f2f310d3000 [pid 7227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7229 attached [pid 7229] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7227] <... clone3 resumed> => {parent_tid=[7229]}, 88) = 7229 [pid 7229] <... rseq resumed>) = 0 [pid 7227] rt_sigprocmask(SIG_SETMASK, [], [pid 7229] set_robust_list(0x7f2f310f39a0, 24 [pid 7227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7229] <... set_robust_list resumed>) = 0 [pid 7227] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] rt_sigprocmask(SIG_SETMASK, [], [pid 7227] <... futex resumed>) = 0 [pid 7229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7228] userfaultfd(UFFD_USER_MODE_ONLY [pid 7227] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7223] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... madvise resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7228] <... userfaultfd resumed>) = 3 [pid 7225] <... mprotect resumed>) = 0 [pid 7229] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7229] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7228] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7230 attached ) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7223] <... futex resumed>) = 0 [pid 7219] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7230 [pid 7230] set_robust_list(0x555592b0f6a0, 24 [pid 7228] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7223] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 1 [pid 7217] <... futex resumed>) = 0 [pid 7229] ioctl(3, UFFDIO_API, NULL [pid 7227] <... futex resumed>) = 0 [pid 7230] <... set_robust_list resumed>) = 0 [pid 7229] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7223] <... futex resumed>) = 0 [pid 7219] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] exit_group(0./strace-static-x86_64: Process 7231 attached [pid 7230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7229] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] ioctl(3, UFFDIO_API, NULL [pid 7227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7226] <... futex resumed>) = ? [pid 7223] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... futex resumed>) = ? [pid 7217] <... exit_group resumed>) = ? [pid 7231] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7230] <... prctl resumed>) = 0 [pid 7229] <... futex resumed>) = 0 [pid 7228] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7227] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] +++ exited with 0 +++ [pid 7225] <... clone3 resumed> => {parent_tid=[7231]}, 88) = 7231 [pid 7229] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7227] <... futex resumed>) = 0 [pid 7219] +++ exited with 0 +++ [pid 7231] <... rseq resumed>) = 0 [pid 7230] setpgid(0, 0 [pid 7229] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7228] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] rt_sigprocmask(SIG_SETMASK, [], [pid 7217] +++ exited with 0 +++ [pid 7231] set_robust_list(0x7f2f310f39a0, 24 [pid 7230] <... setpgid resumed>) = 0 [pid 7229] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... futex resumed>) = 1 [pid 7225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7223] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7217, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7231] <... set_robust_list resumed>) = 0 [pid 7229] <... futex resumed>) = 1 [pid 7228] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] <... futex resumed>) = 0 [pid 7225] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7231] rt_sigprocmask(SIG_SETMASK, [], [pid 7230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7229] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] <... futex resumed>) = 0 [pid 7223] <... futex resumed>) = 0 [pid 7231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7228] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7227] <... futex resumed>) = 0 [pid 7225] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] userfaultfd(UFFD_USER_MODE_ONLY [pid 7229] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7227] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] <... userfaultfd resumed>) = 3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7228] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7231] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... openat resumed>) = 3 [pid 7228] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = 1 [pid 7230] write(3, "1000", 4 [pid 7228] <... futex resumed>) = 1 [pid 7225] <... futex resumed>) = 0 [pid 7223] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7232 ./strace-static-x86_64: Process 7232 attached [pid 7231] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] <... write resumed>) = 4 [pid 7228] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7225] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7230] close(3 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7225] <... futex resumed>) = 0 [pid 7223] <... futex resumed>) = 0 [pid 7232] set_robust_list(0x555592b0f6a0, 24 [pid 7231] ioctl(3, UFFDIO_API, NULL [pid 7230] <... close resumed>) = 0 [pid 7228] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7232] <... set_robust_list resumed>) = 0 [pid 7225] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7230] write(1, "executing program\n", 18executing program [pid 7232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7231] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... write resumed>) = 18 [pid 7232] <... prctl resumed>) = 0 [pid 7231] <... futex resumed>) = 1 [pid 7225] <... futex resumed>) = 0 [pid 7231] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] setpgid(0, 0 [pid 7225] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... setpgid resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7231] <... futex resumed>) = 0 [pid 7225] <... futex resumed>) = 1 [pid 7232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7231] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7225] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7231] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7231] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7231] <... futex resumed>) = 1 [pid 7225] <... futex resumed>) = 0 [pid 7230] <... mmap resumed>) = 0x7f2f310d3000 [pid 7231] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7225] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7225] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7232] <... openat resumed>) = 3 [pid 7230] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7227] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7230] <... mprotect resumed>) = 0 [pid 7232] write(3, "1000", 4 [pid 7230] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 7232] <... write resumed>) = 4 [pid 7230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7232] close(3 [pid 7230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7232] <... close resumed>) = 0 [pid 7232] write(1, "executing program\n", 18) = 18 [pid 7230] <... clone3 resumed> => {parent_tid=[7233]}, 88) = 7233 ./strace-static-x86_64: Process 7233 attached [pid 7232] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] rt_sigprocmask(SIG_SETMASK, [], [pid 7233] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7232] <... futex resumed>) = 0 [pid 7230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7233] <... rseq resumed>) = 0 [pid 7232] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7230] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] set_robust_list(0x7f2f310f39a0, 24 [pid 7232] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7233] <... set_robust_list resumed>) = 0 [pid 7232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7233] rt_sigprocmask(SIG_SETMASK, [], [pid 7232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7230] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7232] <... mmap resumed>) = 0x7f2f310d3000 [pid 7233] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7233] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7230] <... futex resumed>) = 0 [pid 7233] ioctl(3, UFFDIO_API, NULL [pid 7230] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7232] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7230] <... futex resumed>) = 0 [pid 7223] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... mprotect resumed>) = 0 [pid 7230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7233] <... futex resumed>) = 0 [pid 7230] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = 0 [pid 7233] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7230] <... futex resumed>) = 0 [pid 7223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7233] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7230] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7232] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7233] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] <... mmap resumed>) = 0x7f2f310b2000 [pid 7227] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7233] <... futex resumed>) = 1 [pid 7230] <... futex resumed>) = 0 [pid 7227] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7232] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7230] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7230] <... futex resumed>) = 0 [pid 7227] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7230] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7225] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7234 attached [pid 7225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7229] <... io_uring_register resumed>) = 0 [pid 7227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7235 attached [pid 7234] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7229] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... clone3 resumed> => {parent_tid=[7234]}, 88) = 7234 [pid 7234] <... rseq resumed>) = 0 [pid 7232] rt_sigprocmask(SIG_SETMASK, [], [pid 7229] <... futex resumed>) = 0 [pid 7227] <... clone3 resumed> => {parent_tid=[7235]}, 88) = 7235 [pid 7234] set_robust_list(0x7f2f310f39a0, 24 [pid 7232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7229] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] rt_sigprocmask(SIG_SETMASK, [], [pid 7235] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7234] <... set_robust_list resumed>) = 0 [pid 7232] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7235] <... rseq resumed>) = 0 [pid 7234] rt_sigprocmask(SIG_SETMASK, [], [pid 7227] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] set_robust_list(0x7f2f310d29a0, 24 [pid 7227] <... futex resumed>) = 0 [pid 7235] <... set_robust_list resumed>) = 0 [pid 7235] rt_sigprocmask(SIG_SETMASK, [], [pid 7227] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7235] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7235] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7235] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... futex resumed>) = 0 [pid 7227] <... futex resumed>) = 1 [pid 7229] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7227] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7229] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7229] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7229] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] <... futex resumed>) = 0 [pid 7234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7232] <... futex resumed>) = 0 [pid 7229] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7227] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] userfaultfd(UFFD_USER_MODE_ONLY [pid 7232] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7228] <... io_uring_register resumed>) = 0 [pid 7223] <... mmap resumed>) = 0x7f2f310b2000 [pid 7234] <... userfaultfd resumed>) = 3 [pid 7228] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7234] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... futex resumed>) = 0 [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7231] <... io_uring_register resumed>) = 0 [pid 7228] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7225] <... mmap resumed>) = 0x7f2f310b2000 [pid 7223] <... mprotect resumed>) = 0 [pid 7234] ioctl(3, UFFDIO_API, NULL [pid 7232] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7223] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7234] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7232] <... futex resumed>) = 0 [pid 7231] <... futex resumed>) = 0 [pid 7225] <... mprotect resumed>) = 0 [pid 7223] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7234] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7225] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7234] <... futex resumed>) = 0 [pid 7232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7225] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7236 attached [pid 7234] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... madvise resumed>) = 0 [pid 7225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7236] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7229] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7237 attached ) = 1 [pid 7236] <... rseq resumed>) = 0 [pid 7234] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7232] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7227] <... futex resumed>) = 0 [pid 7223] <... clone3 resumed> => {parent_tid=[7236]}, 88) = 7236 [pid 7237] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7236] set_robust_list(0x7f2f310d29a0, 24 [pid 7234] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7229] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] exit_group(0 [pid 7225] <... clone3 resumed> => {parent_tid=[7237]}, 88) = 7237 [pid 7223] rt_sigprocmask(SIG_SETMASK, [], [pid 7237] <... rseq resumed>) = 0 [pid 7236] <... set_robust_list resumed>) = 0 [pid 7235] <... futex resumed>) = ? [pid 7234] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... futex resumed>) = ? [pid 7227] <... exit_group resumed>) = ? [pid 7225] rt_sigprocmask(SIG_SETMASK, [], [pid 7223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7237] set_robust_list(0x7f2f310d29a0, 24 [pid 7236] rt_sigprocmask(SIG_SETMASK, [], [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7223] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] <... set_robust_list resumed>) = 0 [pid 7236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7235] +++ exited with 0 +++ [pid 7234] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] +++ exited with 0 +++ [pid 7227] +++ exited with 0 +++ [pid 7225] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = 0 [pid 7237] rt_sigprocmask(SIG_SETMASK, [], [pid 7236] ioctl(3, UFFDIO_REGISTER, NULL [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7225] <... futex resumed>) = 0 [pid 7223] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7236] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7234] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7232] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] ioctl(3, UFFDIO_REGISTER, NULL [pid 7236] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7227, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7237] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7236] <... futex resumed>) = 1 [pid 7230] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = 0 [pid 7237] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7237] <... futex resumed>) = 1 [pid 7236] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] <... futex resumed>) = 0 [pid 7225] <... futex resumed>) = 0 [pid 7223] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7225] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7223] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7238 attached [pid 7231] <... futex resumed>) = 0 [pid 7228] <... futex resumed>) = 0 [pid 7225] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] set_robust_list(0x555592b0f6a0, 24 [pid 7231] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7228] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7238 [pid 7231] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7228] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7231] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] <... futex resumed>) = 0 [pid 7231] <... futex resumed>) = 1 [pid 7228] <... futex resumed>) = 1 [pid 7225] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = 0 [pid 7231] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7228] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7225] <... futex resumed>) = 0 [pid 7223] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7225] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... futex resumed>) = 0 [pid 7238] <... set_robust_list resumed>) = 0 [pid 7228] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7223] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7238] setpgid(0, 0) = 0 [pid 7238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7228] <... madvise resumed>) = 0 [pid 7238] write(3, "1000", 4) = 4 [pid 7238] close(3executing program ) = 0 [pid 7238] write(1, "executing program\n", 18) = 18 [pid 7238] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7238] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7231] <... madvise resumed>) = 0 [pid 7238] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7238] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7239 attached => {parent_tid=[7239]}, 88) = 7239 [pid 7238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7239] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7238] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] <... rseq resumed>) = 0 [pid 7238] <... futex resumed>) = 0 [pid 7238] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7239] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7233] <... io_uring_register resumed>) = 0 [pid 7230] <... mmap resumed>) = 0x7f2f310b2000 [pid 7230] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7231] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] userfaultfd(UFFD_USER_MODE_ONLY [pid 7233] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = 1 [pid 7230] <... mprotect resumed>) = 0 [pid 7225] <... futex resumed>) = 0 [pid 7239] <... userfaultfd resumed>) = 3 [pid 7239] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7225] exit_group(0 [pid 7239] <... futex resumed>) = 1 [pid 7238] <... futex resumed>) = 0 [pid 7233] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7225] <... exit_group resumed>) = ? [pid 7239] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7238] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] <... futex resumed>) = ? [pid 7230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7228] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7238] <... futex resumed>) = 0 [pid 7231] +++ exited with 0 +++ [pid 7230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7228] <... futex resumed>) = 1 [pid 7223] <... futex resumed>) = 0 [pid 7239] ioctl(3, UFFDIO_API, NULL [pid 7238] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7239] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7237] +++ exited with 0 +++ [pid 7230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7228] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7225] +++ exited with 0 +++ [pid 7223] exit_group(0./strace-static-x86_64: Process 7240 attached [pid 7239] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = ? [pid 7228] <... futex resumed>) = ? [pid 7223] <... exit_group resumed>) = ? [pid 7240] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7239] <... futex resumed>) = 1 [pid 7238] <... futex resumed>) = 0 [pid 7236] +++ exited with 0 +++ [pid 7228] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7225, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7239] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7238] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7238] <... futex resumed>) = 0 [pid 7223] +++ exited with 0 +++ [pid 7240] <... rseq resumed>) = 0 [pid 7230] <... clone3 resumed> => {parent_tid=[7240]}, 88) = 7240 [pid 7232] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7240] set_robust_list(0x7f2f310d29a0, 24 [pid 7239] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7238] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7232] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7223, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7240] <... set_robust_list resumed>) = 0 [pid 7239] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7232] <... futex resumed>) = 0 [pid 7230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7240] rt_sigprocmask(SIG_SETMASK, [], [pid 7232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7230] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7240] ioctl(3, UFFDIO_REGISTER, NULL [pid 7230] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7240] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... futex resumed>) = 1 [pid 7239] <... futex resumed>) = 1 [pid 7238] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7240] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7238] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7238] <... futex resumed>) = 0 [pid 7239] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7238] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7232] <... mmap resumed>) = 0x7f2f310b2000 [pid 7230] <... futex resumed>) = 1 [pid 7234] <... io_uring_register resumed>) = 0 [pid 7230] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7232] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7242 attached ./strace-static-x86_64: Process 7241 attached [pid 7234] <... futex resumed>) = 0 [pid 7233] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7232] <... mprotect resumed>) = 0 [pid 7242] set_robust_list(0x555592b0f6a0, 24 [pid 7241] set_robust_list(0x555592b0f6a0, 24 [pid 7234] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7233] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7232] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7241 [pid 7242] <... set_robust_list resumed>) = 0 [pid 7241] <... set_robust_list resumed>) = 0 [pid 7233] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7242 [pid 7242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7233] <... futex resumed>) = 1 [pid 7232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7230] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7243 attached [pid 7242] <... prctl resumed>) = 0 [pid 7241] <... prctl resumed>) = 0 [pid 7233] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7230] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7243] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7242] setpgid(0, 0 [pid 7241] setpgid(0, 0 [pid 7243] <... rseq resumed>) = 0 [pid 7232] <... clone3 resumed> => {parent_tid=[7243]}, 88) = 7243 [pid 7243] set_robust_list(0x7f2f310d29a0, 24 [pid 7232] rt_sigprocmask(SIG_SETMASK, [], [pid 7243] <... set_robust_list resumed>) = 0 [pid 7241] <... setpgid resumed>) = 0 [pid 7242] <... setpgid resumed>) = 0 [pid 7232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7243] rt_sigprocmask(SIG_SETMASK, [], [pid 7232] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7239] <... io_uring_register resumed>) = 0 [pid 7233] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7232] <... futex resumed>) = 0 [pid 7243] ioctl(3, UFFDIO_REGISTER, NULL [pid 7232] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7242] <... openat resumed>) = 3 [pid 7241] <... openat resumed>) = 3 [pid 7243] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] write(3, "1000", 4 [pid 7241] write(3, "1000", 4 [pid 7243] <... futex resumed>) = 1 [pid 7242] <... write resumed>) = 4 [pid 7241] <... write resumed>) = 4 [pid 7232] <... futex resumed>) = 0 [pid 7242] close(3 [pid 7241] close(3 [pid 7232] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7242] <... close resumed>) = 0 executing program [pid 7241] <... close resumed>) = 0 [pid 7234] <... futex resumed>) = 0 [pid 7232] <... futex resumed>) = 1 [pid 7242] write(1, "executing program\n", 18 [pid 7233] <... madvise resumed>) = 0 [pid 7232] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... write resumed>) = 18 [pid 7242] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7234] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7241] write(1, "executing program\n", 18executing program [pid 7242] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7241] <... write resumed>) = 18 [pid 7234] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7234] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7241] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7234] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7232] <... futex resumed>) = 0 [pid 7242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7241] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7234] <... madvise resumed>) = 0 [pid 7232] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7239] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7233] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] <... futex resumed>) = 0 [pid 7238] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 1 [pid 7239] ioctl(3, UFFDIO_REGISTER, NULL [pid 7238] <... futex resumed>) = 0 [pid 7233] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] <... futex resumed>) = 0 [pid 7239] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7238] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7239] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] exit_group(0 [pid 7238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 7242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7241] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7240] <... futex resumed>) = ? [pid 7239] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7238] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = ? [pid 7230] <... exit_group resumed>) = ? [pid 7242] <... mmap resumed>) = 0x7f2f310d3000 [pid 7241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7240] +++ exited with 0 +++ [pid 7239] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7238] <... futex resumed>) = 0 [pid 7242] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7233] +++ exited with 0 +++ [pid 7242] <... mprotect resumed>) = 0 [pid 7241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7239] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] +++ exited with 0 +++ [pid 7241] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7239] <... futex resumed>) = 0 [pid 7238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7241] <... mprotect resumed>) = 0 [pid 7239] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7238] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7230, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7242] <... clone3 resumed> => {parent_tid=[7244]}, 88) = 7244 [pid 7234] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7244 attached [pid 7242] rt_sigprocmask(SIG_SETMASK, [], [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7238] <... futex resumed>) = 0 [pid 7242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7234] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] exit_group(0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7244] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7243] <... futex resumed>) = ? [pid 7242] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7238] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] <... futex resumed>) = ? [pid 7232] <... exit_group resumed>) = ? [pid 7244] <... rseq resumed>) = 0 [pid 7243] +++ exited with 0 +++ [pid 7242] <... futex resumed>) = 0 [pid 7241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7234] +++ exited with 0 +++ [pid 7232] +++ exited with 0 +++ [pid 7244] set_robust_list(0x7f2f310f39a0, 24 [pid 7242] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7232, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 7246 attached ./strace-static-x86_64: Process 7245 attached [pid 7244] <... set_robust_list resumed>) = 0 [pid 7239] <... madvise resumed>) = 0 [pid 7246] set_robust_list(0x555592b0f6a0, 24 [pid 7245] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7244] rt_sigprocmask(SIG_SETMASK, [], [pid 7241] <... clone3 resumed> => {parent_tid=[7245]}, 88) = 7245 [pid 7239] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7246 [pid 7246] <... set_robust_list resumed>) = 0 [pid 7245] <... rseq resumed>) = 0 [pid 7244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7241] rt_sigprocmask(SIG_SETMASK, [], [pid 7238] <... futex resumed>) = 0 [pid 7246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7245] set_robust_list(0x7f2f310f39a0, 24 [pid 7244] userfaultfd(UFFD_USER_MODE_ONLY [pid 7239] <... futex resumed>) = 1 [pid 7246] <... prctl resumed>) = 0 [pid 7245] <... set_robust_list resumed>) = 0 [pid 7244] <... userfaultfd resumed>) = 3 [pid 7241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7239] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7238] exit_group(0 [pid 7246] setpgid(0, 0 [pid 7245] rt_sigprocmask(SIG_SETMASK, [], [pid 7244] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] <... futex resumed>) = ? [pid 7238] <... exit_group resumed>) = ? [pid 7246] <... setpgid resumed>) = 0 [pid 7245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7245] userfaultfd(UFFD_USER_MODE_ONLY [pid 7244] <... futex resumed>) = 1 [pid 7242] <... futex resumed>) = 0 [pid 7239] +++ exited with 0 +++ [pid 7241] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] +++ exited with 0 +++ [pid 7244] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7245] <... userfaultfd resumed>) = 3 [pid 7242] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7238, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7246] <... openat resumed>) = 3 [pid 7245] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... futex resumed>) = 1 [pid 7246] write(3, "1000", 4 [pid 7245] <... futex resumed>) = 1 [pid 7242] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7246] <... write resumed>) = 4 [pid 7245] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7246] <... close resumed>) = 0 [pid 7244] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 0 executing program ./strace-static-x86_64: Process 7247 attached [pid 7246] write(1, "executing program\n", 18 [pid 7244] ioctl(3, UFFDIO_API, NULL [pid 7241] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7248 attached [pid 7247] set_robust_list(0x555592b0f6a0, 24 [pid 7246] <... write resumed>) = 18 [pid 7245] <... futex resumed>) = 0 [pid 7244] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7241] <... futex resumed>) = 1 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7247 [pid 7248] set_robust_list(0x555592b0f6a0, 24 [pid 7247] <... set_robust_list resumed>) = 0 [pid 7246] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] ioctl(3, UFFDIO_API, NULL [pid 7244] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7248] <... set_robust_list resumed>) = 0 [pid 7247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7246] <... futex resumed>) = 0 [pid 7246] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7247] <... prctl resumed>) = 0 [pid 7246] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7245] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7244] <... futex resumed>) = 1 [pid 7242] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7248 [pid 7244] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7247] setpgid(0, 0 [pid 7246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7242] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... setpgid resumed>) = 0 [pid 7246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7245] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] <... futex resumed>) = 0 [pid 7242] <... futex resumed>) = 1 [pid 7248] <... prctl resumed>) = 0 [pid 7247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7245] <... futex resumed>) = 1 [pid 7244] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7242] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... futex resumed>) = 0 [pid 7248] setpgid(0, 0 [pid 7247] <... openat resumed>) = 3 [pid 7246] <... mmap resumed>) = 0x7f2f310d3000 [pid 7245] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] <... setpgid resumed>) = 0 [pid 7247] write(3, "1000", 4 [pid 7246] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7241] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7247] <... write resumed>) = 4 [pid 7246] <... mprotect resumed>) = 0 [pid 7245] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7241] <... futex resumed>) = 0 [pid 7248] <... openat resumed>) = 3 [pid 7247] close(3 [pid 7246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7245] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7241] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] <... close resumed>) = 0 [pid 7246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7244] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7248] write(3, "1000", 4 [pid 7247] write(1, "executing program\n", 18 [pid 7244] <... futex resumed>) = 1 [pid 7242] <... futex resumed>) = 0 [pid 7248] <... write resumed>) = 4 [pid 7247] <... write resumed>) = 18 [pid 7246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7244] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7242] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7249 attached [pid 7248] close(3 [pid 7247] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] <... futex resumed>) = 0 [pid 7249] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7248] <... close resumed>) = 0 [pid 7247] <... futex resumed>) = 0 [pid 7246] <... clone3 resumed> => {parent_tid=[7249]}, 88) = 7249 [pid 7245] <... futex resumed>) = 1 [pid 7244] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7242] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... futex resumed>) = 0 [pid 7249] <... rseq resumed>) = 0 executing program [pid 7248] write(1, "executing program\n", 18 [pid 7247] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7246] rt_sigprocmask(SIG_SETMASK, [], [pid 7245] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] set_robust_list(0x7f2f310f39a0, 24 [pid 7248] <... write resumed>) = 18 [pid 7247] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7241] <... futex resumed>) = 0 [pid 7249] <... set_robust_list resumed>) = 0 [pid 7248] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7246] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7241] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] rt_sigprocmask(SIG_SETMASK, [], [pid 7248] <... futex resumed>) = 0 [pid 7247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7246] <... futex resumed>) = 0 [pid 7249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7249] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7249] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7249] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7246] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7248] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7247] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7246] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7247] <... mprotect resumed>) = 0 [pid 7246] <... futex resumed>) = 1 [pid 7249] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7246] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7246] <... futex resumed>) = 0 [pid 7248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7249] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7248] <... mmap resumed>) = 0x7f2f310d3000 [pid 7246] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7248] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7247] <... clone3 resumed> => {parent_tid=[7250]}, 88) = 7250 ./strace-static-x86_64: Process 7250 attached [pid 7249] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7248] <... mprotect resumed>) = 0 [pid 7247] rt_sigprocmask(SIG_SETMASK, [], [pid 7250] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7249] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7250] <... rseq resumed>) = 0 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7247] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] <... futex resumed>) = 0 [pid 7250] set_robust_list(0x7f2f310f39a0, 24 [pid 7249] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7247] <... futex resumed>) = 0 [pid 7250] <... set_robust_list resumed>) = 0 [pid 7250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7247] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7250] userfaultfd(UFFD_USER_MODE_ONLY./strace-static-x86_64: Process 7251 attached ) = 3 [pid 7248] <... clone3 resumed> => {parent_tid=[7251]}, 88) = 7251 [pid 7246] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7250] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] rt_sigprocmask(SIG_SETMASK, [], [pid 7246] <... futex resumed>) = 1 [pid 7251] <... rseq resumed>) = 0 [pid 7250] <... futex resumed>) = 1 [pid 7249] <... futex resumed>) = 0 [pid 7248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7247] <... futex resumed>) = 0 [pid 7246] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] set_robust_list(0x7f2f310f39a0, 24 [pid 7250] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... set_robust_list resumed>) = 0 [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7248] <... futex resumed>) = 0 [pid 7247] <... futex resumed>) = 0 [pid 7251] rt_sigprocmask(SIG_SETMASK, [], [pid 7250] ioctl(3, UFFDIO_API, NULL [pid 7248] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7250] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7251] userfaultfd(UFFD_USER_MODE_ONLY [pid 7242] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7250] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... userfaultfd resumed>) = 3 [pid 7250] <... futex resumed>) = 1 [pid 7247] <... futex resumed>) = 0 [pid 7242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7251] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7247] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... futex resumed>) = 1 [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7251] ioctl(3, UFFDIO_API, NULL [pid 7250] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7248] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = 0 [pid 7251] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7248] <... futex resumed>) = 0 [pid 7247] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7248] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7250] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7251] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7241] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] <... futex resumed>) = 0 [pid 7250] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7247] <... futex resumed>) = 0 [pid 7250] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] <... futex resumed>) = 0 [pid 7248] <... futex resumed>) = 1 [pid 7247] <... futex resumed>) = 0 [pid 7250] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7248] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... mmap resumed>) = 0x7f2f310b2000 [pid 7251] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7247] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7242] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7251] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7251] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] <... io_uring_register resumed>) = 0 [pid 7251] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7244] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] <... futex resumed>) = 0 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7244] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7251] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7248] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7252 attached [pid 7242] <... clone3 resumed> => {parent_tid=[7252]}, 88) = 7252 [pid 7242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7242] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7242] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7252] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7252] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7252] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7242] <... futex resumed>) = 0 [pid 7242] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7244] <... futex resumed>) = 0 [pid 7244] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7242] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7244] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7252] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7246] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7241] <... mmap resumed>) = 0x7f2f310b2000 [pid 7244] <... futex resumed>) = 1 [pid 7242] <... futex resumed>) = 0 [pid 7242] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7242] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] <... io_uring_register resumed>) = 0 [pid 7244] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7241] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7244] <... madvise resumed>) = 0 [pid 7241] <... mprotect resumed>) = 0 [pid 7241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7253 attached => {parent_tid=[7253]}, 88) = 7253 [pid 7253] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7241] rt_sigprocmask(SIG_SETMASK, [], [pid 7253] <... rseq resumed>) = 0 [pid 7241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7253] set_robust_list(0x7f2f310d29a0, 24 [pid 7241] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... set_robust_list resumed>) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7253] rt_sigprocmask(SIG_SETMASK, [], [pid 7244] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7242] <... futex resumed>) = 0 [pid 7253] ioctl(3, UFFDIO_REGISTER, NULL [pid 7244] <... futex resumed>) = 1 [pid 7242] exit_group(0 [pid 7253] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7242] <... exit_group resumed>) = ? [pid 7253] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] <... futex resumed>) = ? [pid 7247] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] +++ exited with 0 +++ [pid 7253] <... futex resumed>) = 1 [pid 7241] <... futex resumed>) = 0 [pid 7253] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = 0 [pid 7245] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7245] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7241] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] +++ exited with 0 +++ [pid 7250] <... io_uring_register resumed>) = 0 [pid 7247] <... mmap resumed>) = 0x7f2f310b2000 [pid 7245] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7242] +++ exited with 0 +++ [pid 7250] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7245] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... futex resumed>) = 0 [pid 7247] <... mprotect resumed>) = 0 [pid 7245] <... futex resumed>) = 1 [pid 7241] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7242, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7250] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7245] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7241] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7241] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7245] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7241] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7245] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 7254 attached [pid 7248] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7255 attached [pid 7254] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7248] <... futex resumed>) = 0 [pid 7247] <... clone3 resumed> => {parent_tid=[7254]}, 88) = 7254 [pid 7246] <... mmap resumed>) = 0x7f2f310b2000 [pid 7255] set_robust_list(0x555592b0f6a0, 24 [pid 7254] <... rseq resumed>) = 0 [pid 7248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7247] rt_sigprocmask(SIG_SETMASK, [], [pid 7246] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7255 [pid 7255] <... set_robust_list resumed>) = 0 [pid 7254] set_robust_list(0x7f2f310d29a0, 24 [pid 7247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7246] <... mprotect resumed>) = 0 [pid 7255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7254] <... set_robust_list resumed>) = 0 [pid 7249] <... io_uring_register resumed>) = 0 [pid 7247] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7255] <... prctl resumed>) = 0 [pid 7254] rt_sigprocmask(SIG_SETMASK, [], [pid 7248] <... mmap resumed>) = 0x7f2f310b2000 [pid 7247] <... futex resumed>) = 0 [pid 7246] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7255] setpgid(0, 0 [pid 7254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7251] <... io_uring_register resumed>) = 0 [pid 7249] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7247] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7245] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... setpgid resumed>) = 0 [pid 7254] ioctl(3, UFFDIO_REGISTER, NULL [pid 7251] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7248] <... mprotect resumed>) = 0 [pid 7241] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7256 attached [pid 7255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7254] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7251] <... futex resumed>) = 0 [pid 7249] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7245] <... futex resumed>) = 1 [pid 7241] exit_group(0 [pid 7256] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7255] <... openat resumed>) = 3 [pid 7254] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... futex resumed>) = ? [pid 7251] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7246] <... clone3 resumed> => {parent_tid=[7256]}, 88) = 7256 [pid 7241] <... exit_group resumed>) = ? [pid 7255] write(3, "1000", 4 [pid 7254] <... futex resumed>) = 1 [pid 7253] +++ exited with 0 +++ [pid 7248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7247] <... futex resumed>) = 0 [pid 7256] <... rseq resumed>) = 0 [pid 7255] <... write resumed>) = 4 [pid 7254] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7247] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7257 attached [pid 7255] close(3 [pid 7250] <... futex resumed>) = 0 [pid 7248] <... clone3 resumed> => {parent_tid=[7257]}, 88) = 7257 [pid 7256] set_robust_list(0x7f2f310d29a0, 24 [pid 7247] <... futex resumed>) = 1 [pid 7246] rt_sigprocmask(SIG_SETMASK, [], [pid 7257] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7256] <... set_robust_list resumed>) = 0 [pid 7255] <... close resumed>) = 0 [pid 7250] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7248] rt_sigprocmask(SIG_SETMASK, [], [pid 7247] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7257] <... rseq resumed>) = 0 [pid 7256] rt_sigprocmask(SIG_SETMASK, [], [pid 7255] write(1, "executing program\n", 18 [pid 7250] <... ioctl resumed>) = -1 EINVAL (Invalid argument) executing program [pid 7248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7246] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7255] <... write resumed>) = 18 [pid 7250] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] ioctl(3, UFFDIO_REGISTER, NULL [pid 7255] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7247] <... futex resumed>) = 0 [pid 7257] set_robust_list(0x7f2f310d29a0, 24 [pid 7246] <... futex resumed>) = 0 [pid 7245] +++ exited with 0 +++ [pid 7241] +++ exited with 0 +++ [pid 7256] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7255] <... futex resumed>) = 0 [pid 7250] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... set_robust_list resumed>) = 0 [pid 7257] rt_sigprocmask(SIG_SETMASK, [], [pid 7256] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7247] <... futex resumed>) = 0 [pid 7246] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7241, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7256] <... futex resumed>) = 0 [pid 7255] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7250] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7247] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7257] ioctl(3, UFFDIO_REGISTER, NULL [pid 7256] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7246] <... futex resumed>) = 1 [pid 7257] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7257] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7257] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7251] <... futex resumed>) = 0 [pid 7249] <... futex resumed>) = 0 [pid 7248] <... futex resumed>) = 1 [pid 7255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7251] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7249] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7248] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7251] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7249] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7255] <... mmap resumed>) = 0x7f2f310d3000 [pid 7251] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7255] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7251] <... futex resumed>) = 1 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7246] <... futex resumed>) = 0 [pid 7251] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7246] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7255] <... mprotect resumed>) = 0 [pid 7251] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7250] <... madvise resumed>) = 0 [pid 7249] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7248] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7246] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7258 attached [pid 7258] set_robust_list(0x555592b0f6a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7258 [pid 7258] <... set_robust_list resumed>) = 0 [pid 7258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7258] setpgid(0, 0 [pid 7251] <... madvise resumed>) = 0 [pid 7258] <... setpgid resumed>) = 0 [pid 7258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7251] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... madvise resumed>) = 0 [pid 7255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7251] <... futex resumed>) = 1 [pid 7249] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] <... futex resumed>) = 0 [pid 7258] write(3, "1000", 4 [pid 7255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7251] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] <... futex resumed>) = 1 [pid 7249] <... futex resumed>) = 1 [pid 7247] <... futex resumed>) = 0 [pid 7246] <... futex resumed>) = 0 [pid 7248] exit_group(0./strace-static-x86_64: Process 7259 attached [pid 7258] <... write resumed>) = 4 [pid 7257] <... futex resumed>) = ? executing program [pid 7251] <... futex resumed>) = ? [pid 7250] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] <... exit_group resumed>) = ? [pid 7247] exit_group(0 [pid 7246] exit_group(0 [pid 7259] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7258] close(3 [pid 7257] +++ exited with 0 +++ [pid 7256] <... futex resumed>) = ? [pid 7254] <... futex resumed>) = ? [pid 7251] +++ exited with 0 +++ [pid 7250] <... futex resumed>) = ? [pid 7247] <... exit_group resumed>) = ? [pid 7246] <... exit_group resumed>) = ? [pid 7259] <... rseq resumed>) = 0 [pid 7258] <... close resumed>) = 0 [pid 7256] +++ exited with 0 +++ [pid 7250] +++ exited with 0 +++ [pid 7259] set_robust_list(0x7f2f310f39a0, 24 [pid 7258] write(1, "executing program\n", 18 [pid 7259] <... set_robust_list resumed>) = 0 [pid 7258] <... write resumed>) = 18 [pid 7259] rt_sigprocmask(SIG_SETMASK, [], [pid 7258] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7259] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] <... futex resumed>) = 0 [pid 7258] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7255] <... clone3 resumed> => {parent_tid=[7259]}, 88) = 7259 [pid 7254] +++ exited with 0 +++ [pid 7249] <... futex resumed>) = ? [pid 7248] +++ exited with 0 +++ [pid 7247] +++ exited with 0 +++ [pid 7258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7248, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7247, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7258] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7258] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7260 attached [pid 7258] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7255] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7261 attached [pid 7258] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7260] set_robust_list(0x555592b0f6a0, 24 [pid 7258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7262 attached [pid 7260] <... set_robust_list resumed>) = 0 [pid 7258] <... clone3 resumed> => {parent_tid=[7262]}, 88) = 7262 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7260 [pid 7262] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7261] set_robust_list(0x555592b0f6a0, 24 [pid 7260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7258] rt_sigprocmask(SIG_SETMASK, [], [pid 7255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7261 [pid 7262] <... rseq resumed>) = 0 [pid 7255] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] set_robust_list(0x7f2f310f39a0, 24 [pid 7260] <... prctl resumed>) = 0 [pid 7261] <... set_robust_list resumed>) = 0 [pid 7259] <... futex resumed>) = 0 [pid 7258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7255] <... futex resumed>) = 1 [pid 7249] +++ exited with 0 +++ [pid 7246] +++ exited with 0 +++ [pid 7262] <... set_robust_list resumed>) = 0 [pid 7261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7260] setpgid(0, 0 [pid 7255] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... prctl resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7246, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7261] setpgid(0, 0) = 0 [pid 7259] userfaultfd(UFFD_USER_MODE_ONLY [pid 7258] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7262] rt_sigprocmask(SIG_SETMASK, [], [pid 7261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7259] <... userfaultfd resumed>) = 3 [pid 7258] <... futex resumed>) = 0 [pid 7261] <... openat resumed>) = 3 [pid 7260] <... setpgid resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7262] userfaultfd(UFFD_USER_MODE_ONLY [pid 7260] <... openat resumed>) = 3 [pid 7259] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... userfaultfd resumed>) = 3 [pid 7261] write(3, "1000", 4 [pid 7259] <... futex resumed>) = 1 [pid 7255] <... futex resumed>) = 0 [pid 7262] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] write(3, "1000", 4 [pid 7259] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7262] <... futex resumed>) = 1 [pid 7261] <... write resumed>) = 4 [pid 7260] <... write resumed>) = 4 [pid 7258] <... futex resumed>) = 0 [pid 7255] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7263 attached [pid 7262] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7260] close(3 [pid 7258] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7260] <... close resumed>) = 0 [pid 7258] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7263 [pid 7262] ioctl(3, UFFDIO_API, NULL [pid 7260] write(1, "executing program\n", 18 executing program [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7260] <... write resumed>) = 18 [pid 7262] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7260] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] <... futex resumed>) = 0 [pid 7262] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7260] <... futex resumed>) = 0 [pid 7258] <... futex resumed>) = 0 [pid 7263] set_robust_list(0x555592b0f6a0, 24 [pid 7262] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7261] close(3 [pid 7260] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7259] <... futex resumed>) = 0 [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7255] <... futex resumed>) = 1 [pid 7263] <... set_robust_list resumed>) = 0 [pid 7262] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7261] <... close resumed>) = 0 [pid 7260] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7259] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7263] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 7261] write(1, "executing program\n", 18 [pid 7259] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... prctl resumed>) = 0 [pid 7261] <... write resumed>) = 18 [pid 7259] <... futex resumed>) = 0 [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] setpgid(0, 0 [pid 7261] <... futex resumed>) = 0 [pid 7260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7255] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7259] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7255] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = 1 [pid 7261] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7259] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7258] <... futex resumed>) = 0 [pid 7255] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7260] <... mmap resumed>) = 0x7f2f310d3000 [pid 7258] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... setpgid resumed>) = 0 [pid 7262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7260] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7259] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] <... futex resumed>) = 0 [pid 7263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7262] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7260] <... mprotect resumed>) = 0 [pid 7259] <... futex resumed>) = 1 [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7255] <... futex resumed>) = 0 [pid 7263] <... openat resumed>) = 3 [pid 7261] <... mmap resumed>) = 0x7f2f310d3000 [pid 7260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7259] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7255] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] write(3, "1000", 4 [pid 7261] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7255] <... futex resumed>) = 0 [pid 7263] <... write resumed>) = 4 [pid 7261] <... mprotect resumed>) = 0 [pid 7255] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] close(3 [pid 7261] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7259] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7263] <... close resumed>) = 0 [pid 7261] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 7260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7263] write(1, "executing program\n", 18 [pid 7261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7263] <... write resumed>) = 18 ./strace-static-x86_64: Process 7264 attached ./strace-static-x86_64: Process 7265 attached [pid 7263] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... clone3 resumed> => {parent_tid=[7265]}, 88) = 7265 [pid 7263] <... futex resumed>) = 0 [pid 7261] rt_sigprocmask(SIG_SETMASK, [], [pid 7263] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7261] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7261] <... futex resumed>) = 0 [pid 7265] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7264] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7261] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... clone3 resumed> => {parent_tid=[7264]}, 88) = 7264 [pid 7265] <... rseq resumed>) = 0 [pid 7264] <... rseq resumed>) = 0 [pid 7263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7260] rt_sigprocmask(SIG_SETMASK, [], [pid 7265] set_robust_list(0x7f2f310f39a0, 24 [pid 7264] set_robust_list(0x7f2f310f39a0, 24 [pid 7263] <... mmap resumed>) = 0x7f2f310d3000 [pid 7260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7265] <... set_robust_list resumed>) = 0 [pid 7264] <... set_robust_list resumed>) = 0 [pid 7263] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7265] rt_sigprocmask(SIG_SETMASK, [], [pid 7264] rt_sigprocmask(SIG_SETMASK, [], [pid 7263] <... mprotect resumed>) = 0 [pid 7260] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7260] <... futex resumed>) = 0 [pid 7265] userfaultfd(UFFD_USER_MODE_ONLY [pid 7264] userfaultfd(UFFD_USER_MODE_ONLY [pid 7263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7260] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] <... userfaultfd resumed>) = 3 [pid 7264] <... userfaultfd resumed>) = 3 [pid 7263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7266 attached [pid 7265] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7265] <... futex resumed>) = 1 [pid 7264] <... futex resumed>) = 1 [pid 7263] <... clone3 resumed> => {parent_tid=[7266]}, 88) = 7266 [pid 7261] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = 0 [pid 7266] <... rseq resumed>) = 0 [pid 7265] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7264] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] rt_sigprocmask(SIG_SETMASK, [], [pid 7261] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] set_robust_list(0x7f2f310f39a0, 24 [pid 7265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7261] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = 0 [pid 7266] <... set_robust_list resumed>) = 0 [pid 7265] ioctl(3, UFFDIO_API, NULL [pid 7264] ioctl(3, UFFDIO_API, NULL [pid 7263] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] rt_sigprocmask(SIG_SETMASK, [], [pid 7265] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7264] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7263] <... futex resumed>) = 0 [pid 7266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7265] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] userfaultfd(UFFD_USER_MODE_ONLY [pid 7265] <... futex resumed>) = 1 [pid 7264] <... futex resumed>) = 0 [pid 7261] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7266] <... userfaultfd resumed>) = 3 [pid 7264] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7261] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7264] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = 0 [pid 7266] <... futex resumed>) = 1 [pid 7264] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7263] <... futex resumed>) = 0 [pid 7261] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7265] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7263] <... futex resumed>) = 0 [pid 7266] ioctl(3, UFFDIO_API, NULL [pid 7263] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7266] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7263] <... futex resumed>) = 0 [pid 7266] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7263] <... futex resumed>) = 0 [pid 7266] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7263] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7266] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7262] <... io_uring_register resumed>) = 0 [pid 7266] <... futex resumed>) = 1 [pid 7263] <... futex resumed>) = 0 [pid 7266] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7265] <... futex resumed>) = 1 [pid 7264] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = 0 [pid 7261] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7259] <... io_uring_register resumed>) = 0 [pid 7261] <... futex resumed>) = 0 [pid 7259] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... futex resumed>) = 0 [pid 7258] <... futex resumed>) = 0 [pid 7255] <... futex resumed>) = 0 [pid 7259] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7263] <... futex resumed>) = 0 [pid 7255] <... mmap resumed>) = 0x7f2f310b2000 [pid 7263] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7255] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7262] <... futex resumed>) = 1 [pid 7255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7258] <... futex resumed>) = 0 [pid 7255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000}./strace-static-x86_64: Process 7267 attached [pid 7265] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7264] <... futex resumed>) = 1 [pid 7262] ioctl(3, UFFDIO_REGISTER, NULL [pid 7260] <... futex resumed>) = 0 [pid 7267] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7260] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... clone3 resumed> => {parent_tid=[7267]}, 88) = 7267 [pid 7267] <... rseq resumed>) = 0 [pid 7260] <... futex resumed>) = 0 [pid 7267] set_robust_list(0x7f2f310d29a0, 24 [pid 7255] rt_sigprocmask(SIG_SETMASK, [], [pid 7267] <... set_robust_list resumed>) = 0 [pid 7260] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7267] rt_sigprocmask(SIG_SETMASK, [], [pid 7255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7255] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] ioctl(3, UFFDIO_REGISTER, NULL [pid 7255] <... futex resumed>) = 0 [pid 7267] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7264] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7262] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7255] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... futex resumed>) = 0 [pid 7267] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7255] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7255] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... futex resumed>) = 0 [pid 7259] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7259] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... futex resumed>) = 0 [pid 7255] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7255] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... futex resumed>) = 1 [pid 7262] <... futex resumed>) = 1 [pid 7262] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED) = 0 [pid 7258] <... futex resumed>) = 0 [pid 7258] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... futex resumed>) = 0 [pid 7258] <... futex resumed>) = 1 [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7262] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7258] <... futex resumed>) = 0 [pid 7262] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7258] <... futex resumed>) = 0 [pid 7262] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7258] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... madvise resumed>) = 0 [pid 7259] <... futex resumed>) = 1 [pid 7255] <... futex resumed>) = 0 [pid 7255] exit_group(0 [pid 7267] <... futex resumed>) = ? [pid 7255] <... exit_group resumed>) = ? [pid 7267] +++ exited with 0 +++ [pid 7262] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7258] <... futex resumed>) = 0 [pid 7258] exit_group(0) = ? [pid 7259] +++ exited with 0 +++ [pid 7255] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7255, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7266] <... io_uring_register resumed>) = 0 [pid 7263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7262] +++ exited with 0 +++ [pid 7261] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7258] +++ exited with 0 +++ [pid 7266] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7266] <... futex resumed>) = 0 [pid 7263] <... futex resumed>) = 0 [pid 7261] <... futex resumed>) = 0 [pid 7260] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7258, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7268 attached [pid 7266] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7260] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7269 attached [pid 7268] set_robust_list(0x555592b0f6a0, 24 [pid 7263] <... mmap resumed>) = 0x7f2f310b2000 [pid 7260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7268 [pid 7269] set_robust_list(0x555592b0f6a0, 24 [pid 7268] <... set_robust_list resumed>) = 0 [pid 7263] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7269] <... set_robust_list resumed>) = 0 [pid 7268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7269 [pid 7269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7263] <... mprotect resumed>) = 0 [pid 7269] <... prctl resumed>) = 0 [pid 7268] <... prctl resumed>) = 0 [pid 7263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7269] setpgid(0, 0 [pid 7268] setpgid(0, 0 [pid 7263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7269] <... setpgid resumed>) = 0 [pid 7268] <... setpgid resumed>) = 0 [pid 7263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7270 attached [pid 7263] <... clone3 resumed> => {parent_tid=[7270]}, 88) = 7270 [pid 7270] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7263] rt_sigprocmask(SIG_SETMASK, [], executing program executing program [pid 7270] <... rseq resumed>) = 0 [pid 7269] <... openat resumed>) = 3 [pid 7268] <... openat resumed>) = 3 [pid 7263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7263] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] write(3, "1000", 4 [pid 7268] write(3, "1000", 4 [pid 7263] <... futex resumed>) = 0 [pid 7269] <... write resumed>) = 4 [pid 7263] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] close(3 [pid 7268] <... write resumed>) = 4 [pid 7269] <... close resumed>) = 0 [pid 7268] close(3 [pid 7269] write(1, "executing program\n", 18 [pid 7268] <... close resumed>) = 0 [pid 7269] <... write resumed>) = 18 [pid 7269] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] write(1, "executing program\n", 18 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... write resumed>) = 18 [pid 7269] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7268] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... mmap resumed>) = 0x7f2f310b2000 [pid 7270] set_robust_list(0x7f2f310d29a0, 24 [pid 7265] <... io_uring_register resumed>) = 0 [pid 7270] <... set_robust_list resumed>) = 0 [pid 7269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7270] rt_sigprocmask(SIG_SETMASK, [], [pid 7269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7268] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7265] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... io_uring_register resumed>) = 0 [pid 7261] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7260] <... mmap resumed>) = 0x7f2f310b2000 [pid 7270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7265] <... futex resumed>) = 0 [pid 7264] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... mprotect resumed>) = 0 [pid 7260] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7270] ioctl(3, UFFDIO_REGISTER, NULL [pid 7269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7265] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7264] <... futex resumed>) = 0 [pid 7261] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7260] <... mprotect resumed>) = 0 [pid 7270] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7269] <... mmap resumed>) = 0x7f2f310d3000 [pid 7268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7264] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7261] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7270] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7260] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7271 attached [pid 7269] <... mprotect resumed>) = 0 [pid 7268] <... mmap resumed>) = 0x7f2f310d3000 [pid 7260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7271] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7269] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7272 attached [pid 7271] <... rseq resumed>) = 0 [pid 7270] <... futex resumed>) = 1 [pid 7269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7268] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7263] <... futex resumed>) = 0 [pid 7261] <... clone3 resumed> => {parent_tid=[7271]}, 88) = 7271 [pid 7271] set_robust_list(0x7f2f310d29a0, 24 [pid 7270] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7268] <... mprotect resumed>) = 0 [pid 7263] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] rt_sigprocmask(SIG_SETMASK, [], [pid 7272] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7271] <... set_robust_list resumed>) = 0 [pid 7268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7266] <... futex resumed>) = 0 [pid 7263] <... futex resumed>) = 1 [pid 7260] <... clone3 resumed> => {parent_tid=[7272]}, 88) = 7272 [pid 7272] <... rseq resumed>) = 0 [pid 7263] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] set_robust_list(0x7f2f310d29a0, 24./strace-static-x86_64: Process 7273 attached ) = 0 [pid 7271] rt_sigprocmask(SIG_SETMASK, [], [pid 7269] <... clone3 resumed> => {parent_tid=[7273]}, 88) = 7273 [pid 7268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7266] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7260] rt_sigprocmask(SIG_SETMASK, [], [pid 7273] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7272] rt_sigprocmask(SIG_SETMASK, [], [pid 7271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7269] rt_sigprocmask(SIG_SETMASK, [], [pid 7268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7266] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7261] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7273] <... rseq resumed>) = 0 [pid 7272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7271] ioctl(3, UFFDIO_REGISTER, NULL [pid 7269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7266] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = 0 [pid 7260] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7274 attached [pid 7273] set_robust_list(0x7f2f310f39a0, 24 [pid 7272] ioctl(3, UFFDIO_REGISTER, NULL [pid 7271] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7269] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... clone3 resumed> => {parent_tid=[7274]}, 88) = 7274 [pid 7266] <... futex resumed>) = 1 [pid 7263] <... futex resumed>) = 0 [pid 7261] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = 0 [pid 7274] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7273] <... set_robust_list resumed>) = 0 [pid 7272] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7271] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = 0 [pid 7268] rt_sigprocmask(SIG_SETMASK, [], [pid 7266] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7260] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] <... rseq resumed>) = 0 [pid 7273] rt_sigprocmask(SIG_SETMASK, [], [pid 7272] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = 0 [pid 7269] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7263] <... futex resumed>) = 0 [pid 7261] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7274] set_robust_list(0x7f2f310f39a0, 24 [pid 7273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7272] <... futex resumed>) = 0 [pid 7271] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7265] <... futex resumed>) = 0 [pid 7263] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [pid 7260] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] <... set_robust_list resumed>) = 0 [pid 7273] userfaultfd(UFFD_USER_MODE_ONLY [pid 7272] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] <... futex resumed>) = 0 [pid 7266] <... madvise resumed>) = 0 [pid 7265] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7264] <... futex resumed>) = 0 [pid 7261] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = 1 [pid 7274] rt_sigprocmask(SIG_SETMASK, [], [pid 7273] <... userfaultfd resumed>) = 3 [pid 7268] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7264] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7265] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7274] userfaultfd(UFFD_USER_MODE_ONLY [pid 7265] <... futex resumed>) = 0 [pid 7264] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] <... userfaultfd resumed>) = 3 [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... futex resumed>) = 0 [pid 7261] <... futex resumed>) = 1 [pid 7274] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7274] <... futex resumed>) = 0 [pid 7260] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7273] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7264] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = 1 [pid 7264] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7269] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... futex resumed>) = 0 [pid 7269] <... futex resumed>) = 1 [pid 7273] ioctl(3, UFFDIO_API, NULL [pid 7269] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7273] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7269] <... futex resumed>) = 0 [pid 7269] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7273] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7269] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7266] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7274] ioctl(3, UFFDIO_API, NULL [pid 7273] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7265] <... madvise resumed>) = 0 [pid 7264] <... madvise resumed>) = 0 [pid 7263] <... futex resumed>) = 0 [pid 7274] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7273] <... futex resumed>) = 1 [pid 7269] <... futex resumed>) = 0 [pid 7265] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] exit_group(0 [pid 7274] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7270] <... futex resumed>) = ? [pid 7269] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = ? [pid 7265] <... futex resumed>) = 1 [pid 7264] <... futex resumed>) = 1 [pid 7263] <... exit_group resumed>) = ? [pid 7261] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 1 [pid 7270] +++ exited with 0 +++ [pid 7269] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7266] +++ exited with 0 +++ [pid 7265] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7264] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] +++ exited with 0 +++ [pid 7261] exit_group(0 [pid 7260] exit_group(0 [pid 7274] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7272] <... futex resumed>) = ? [pid 7271] <... futex resumed>) = ? [pid 7269] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = ? [pid 7261] <... exit_group resumed>) = ? [pid 7260] <... exit_group resumed>) = ? [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7272] +++ exited with 0 +++ [pid 7271] +++ exited with 0 +++ [pid 7268] <... futex resumed>) = 0 [pid 7265] <... futex resumed>) = ? [pid 7264] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7263, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7274] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7268] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] +++ exited with 0 +++ [pid 7261] +++ exited with 0 +++ [pid 7260] +++ exited with 0 +++ [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7274] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7274] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7260, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] <... restart_syscall resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7261, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7274] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7274] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7268] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7274] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7268] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7275 attached [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7275 ./strace-static-x86_64: Process 7276 attached ./strace-static-x86_64: Process 7277 attached [pid 7275] set_robust_list(0x555592b0f6a0, 24 [pid 7273] <... io_uring_register resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7276 [pid 7277] set_robust_list(0x555592b0f6a0, 24 [pid 7276] set_robust_list(0x555592b0f6a0, 24 [pid 7275] <... set_robust_list resumed>) = 0 [pid 7273] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7277 [pid 7277] <... set_robust_list resumed>) = 0 [pid 7276] <... set_robust_list resumed>) = 0 [pid 7275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7273] <... futex resumed>) = 1 [pid 7276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7275] <... prctl resumed>) = 0 [pid 7273] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7275] setpgid(0, 0 [pid 7276] <... prctl resumed>) = 0 [pid 7269] <... futex resumed>) = 0 [pid 7277] <... prctl resumed>) = 0 [pid 7276] setpgid(0, 0 [pid 7275] <... setpgid resumed>) = 0 [pid 7269] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] setpgid(0, 0 [pid 7276] <... setpgid resumed>) = 0 [pid 7277] <... setpgid resumed>) = 0 [pid 7276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7273] <... futex resumed>) = 0 [pid 7269] <... futex resumed>) = 1 [pid 7275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7273] ioctl(3, UFFDIO_REGISTER, NULL [pid 7277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7276] <... openat resumed>) = 3 [pid 7274] <... io_uring_register resumed>) = 0 [pid 7269] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7276] write(3, "1000", 4 [pid 7268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7276] <... write resumed>) = 4 [pid 7275] <... openat resumed>) = 3 [pid 7273] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7269] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7269] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7276] close(3 [pid 7273] <... futex resumed>) = 0 [pid 7277] <... openat resumed>) = 3 [pid 7276] <... close resumed>) = 0 [pid 7275] write(3, "1000", 4 [pid 7274] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7268] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] write(3, "1000", 4 [pid 7276] write(1, "executing program\n", 18 [pid 7275] <... write resumed>) = 4 [pid 7274] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7273] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7277] <... write resumed>) = 4 [pid 7276] <... write resumed>) = 18 [pid 7275] close(3 [pid 7274] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7273] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7277] close(3 [pid 7276] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... close resumed>) = 0 [pid 7273] <... futex resumed>) = 1 [pid 7269] <... futex resumed>) = 0 executing program [pid 7268] <... mmap resumed>) = 0x7f2f310b2000 [pid 7277] <... close resumed>) = 0 [pid 7276] <... futex resumed>) = 0 [pid 7275] write(1, "executing program\n", 18 [pid 7273] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7269] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7268] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7277] write(1, "executing program\n", 18 [pid 7276] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7275] <... write resumed>) = 18 [pid 7273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7269] <... futex resumed>) = 0 [pid 7277] <... write resumed>) = 18 [pid 7276] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7275] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7269] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] <... mprotect resumed>) = 0 [pid 7277] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7275] <... futex resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [pid 7268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7277] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7275] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7277] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7275] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7276] <... mmap resumed>) = 0x7f2f310d3000 [pid 7275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7278 attached [pid 7277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7276] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7273] <... madvise resumed>) = 0 [pid 7278] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7276] <... mprotect resumed>) = 0 [pid 7275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7273] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... rseq resumed>) = 0 [pid 7277] <... mmap resumed>) = 0x7f2f310d3000 [pid 7276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7275] <... mmap resumed>) = 0x7f2f310d3000 [pid 7273] <... futex resumed>) = 1 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... clone3 resumed> => {parent_tid=[7278]}, 88) = 7278 [pid 7278] set_robust_list(0x7f2f310d29a0, 24 [pid 7277] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7275] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7273] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7269] exit_group(0 [pid 7268] rt_sigprocmask(SIG_SETMASK, [], [pid 7278] <... set_robust_list resumed>) = 0 [pid 7277] <... mprotect resumed>) = 0 [pid 7276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7275] <... mprotect resumed>) = 0 [pid 7273] <... futex resumed>) = ? [pid 7269] <... exit_group resumed>) = ? [pid 7268] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7279 attached [pid 7278] rt_sigprocmask(SIG_SETMASK, [], [pid 7277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7268] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7273] +++ exited with 0 +++ [pid 7269] +++ exited with 0 +++ [pid 7276] <... clone3 resumed> => {parent_tid=[7279]}, 88) = 7279 [pid 7268] <... futex resumed>) = 0 [pid 7277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7269, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7279] <... rseq resumed>) = 0 [pid 7278] ioctl(3, UFFDIO_REGISTER, NULL [pid 7277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7276] rt_sigprocmask(SIG_SETMASK, [], [pid 7275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7281 attached ./strace-static-x86_64: Process 7280 attached [pid 7279] set_robust_list(0x7f2f310f39a0, 24 [pid 7278] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7268] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7280] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7279] <... set_robust_list resumed>) = 0 [pid 7278] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... clone3 resumed> => {parent_tid=[7280]}, 88) = 7280 [pid 7276] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... clone3 resumed> => {parent_tid=[7281]}, 88) = 7281 [pid 7268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7281] <... rseq resumed>) = 0 [pid 7280] <... rseq resumed>) = 0 [pid 7279] rt_sigprocmask(SIG_SETMASK, [], [pid 7278] <... futex resumed>) = 0 [pid 7277] rt_sigprocmask(SIG_SETMASK, [], [pid 7276] <... futex resumed>) = 0 [pid 7275] rt_sigprocmask(SIG_SETMASK, [], [pid 7268] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] set_robust_list(0x7f2f310f39a0, 24 [pid 7280] set_robust_list(0x7f2f310f39a0, 24 [pid 7279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7278] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7276] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7274] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 1 [pid 7281] <... set_robust_list resumed>) = 0 [pid 7280] <... set_robust_list resumed>) = 0 [pid 7279] userfaultfd(UFFD_USER_MODE_ONLY [pid 7277] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7268] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] rt_sigprocmask(SIG_SETMASK, [], [pid 7280] rt_sigprocmask(SIG_SETMASK, [], [pid 7279] <... userfaultfd resumed>) = 3 [pid 7277] <... futex resumed>) = 0 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7279] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] userfaultfd(UFFD_USER_MODE_ONLY [pid 7280] userfaultfd(UFFD_USER_MODE_ONLY [pid 7279] <... futex resumed>) = 1 [pid 7276] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 0 [pid 7281] <... userfaultfd resumed>) = 3 [pid 7280] <... userfaultfd resumed>) = 3 [pid 7279] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7268] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7268] <... futex resumed>) = 0 [pid 7281] <... futex resumed>) = 1 [pid 7280] <... futex resumed>) = 1 [pid 7279] ioctl(3, UFFDIO_API, NULL [pid 7277] <... futex resumed>) = 0 [pid 7276] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] <... futex resumed>) = 0 [pid 7274] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7268] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7279] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7277] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 7275] <... futex resumed>) = 0 [pid 7281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] ioctl(3, UFFDIO_API, NULL [pid 7279] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7281] ioctl(3, UFFDIO_API, NULL [pid 7279] <... futex resumed>) = 1 [pid 7276] <... futex resumed>) = 0 [pid 7281] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7279] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7281] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... futex resumed>) = 0 [pid 7281] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7279] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7276] <... futex resumed>) = 0 [pid 7275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7276] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7282 attached [pid 7280] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] set_robust_list(0x555592b0f6a0, 24 [pid 7281] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7279] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7277] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7282 [pid 7274] <... madvise resumed>) = 0 [pid 7282] <... set_robust_list resumed>) = 0 [pid 7281] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7280] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7277] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7281] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7279] <... futex resumed>) = 1 [pid 7276] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 0 [pid 7282] <... prctl resumed>) = 0 [pid 7281] <... futex resumed>) = 1 [pid 7279] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7276] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... futex resumed>) = 0 [pid 7274] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] setpgid(0, 0 [pid 7281] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] exit_group(0 [pid 7282] <... setpgid resumed>) = 0 [pid 7281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... futex resumed>) = 1 [pid 7278] <... futex resumed>) = ? [pid 7277] <... futex resumed>) = 0 [pid 7276] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = ? [pid 7268] <... exit_group resumed>) = ? [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7281] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7280] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7278] +++ exited with 0 +++ [pid 7277] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] +++ exited with 0 +++ [pid 7268] +++ exited with 0 +++ [pid 7277] <... futex resumed>) = 0 [pid 7282] <... openat resumed>) = 3 [pid 7277] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7268, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7282] write(3, "1000", 4) = 4 [pid 7282] close(3) = 0 executing program [pid 7282] write(1, "executing program\n", 18) = 18 [pid 7282] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7282] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, ./strace-static-x86_64: Process 7283 attached NULL, 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7283 [pid 7282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7283] set_robust_list(0x555592b0f6a0, 24 [pid 7282] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7283] <... set_robust_list resumed>) = 0 [pid 7282] <... mprotect resumed>) = 0 [pid 7283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7283] setpgid(0, 0 [pid 7282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7283] <... setpgid resumed>) = 0 [pid 7276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7276] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] <... clone3 resumed> => {parent_tid=[7284]}, 88) = 7284 [pid 7276] <... futex resumed>) = 0 [pid 7283] <... openat resumed>) = 3 [pid 7282] rt_sigprocmask(SIG_SETMASK, [], [pid 7276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7283] write(3, "1000", 4 [pid 7282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7283] <... write resumed>) = 4 [pid 7282] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] close(3 [pid 7282] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7284 attached [pid 7282] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7275] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7284] set_robust_list(0x7f2f310f39a0, 24 [pid 7277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7284] <... set_robust_list resumed>) = 0 [pid 7275] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] rt_sigprocmask(SIG_SETMASK, [], [pid 7277] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... futex resumed>) = 0 [pid 7284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7277] <... futex resumed>) = 0 [pid 7275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7284] userfaultfd(UFFD_USER_MODE_ONLY [pid 7283] <... close resumed>) = 0 [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7284] <... userfaultfd resumed>) = 3 [pid 7284] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 7283] write(1, "executing program\n", 18 [pid 7284] <... futex resumed>) = 1 [pid 7283] <... write resumed>) = 18 [pid 7282] <... futex resumed>) = 0 [pid 7284] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7284] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7284] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7284] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7282] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7283] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7282] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] <... futex resumed>) = 0 [pid 7284] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7279] <... io_uring_register resumed>) = 0 [pid 7284] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7276] <... mmap resumed>) = 0x7f2f310b2000 [pid 7284] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7276] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7284] <... futex resumed>) = 1 [pid 7276] <... mprotect resumed>) = 0 [pid 7282] <... futex resumed>) = 0 [pid 7283] <... mmap resumed>) = 0x7f2f310d3000 [pid 7282] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7283] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7282] <... futex resumed>) = 0 [pid 7284] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7283] <... mprotect resumed>) = 0 [pid 7282] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7279] <... futex resumed>) = 0 [pid 7276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7285 attached [pid 7281] <... io_uring_register resumed>) = 0 [pid 7279] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7275] <... mmap resumed>) = 0x7f2f310b2000 [pid 7283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7276] <... clone3 resumed> => {parent_tid=[7285]}, 88) = 7285 [pid 7275] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7285] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7281] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] rt_sigprocmask(SIG_SETMASK, [], [pid 7275] <... mprotect resumed>) = 0 [pid 7285] <... rseq resumed>) = 0 [pid 7281] <... futex resumed>) = 0 [pid 7276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7285] set_robust_list(0x7f2f310d29a0, 24 [pid 7281] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... set_robust_list resumed>) = 0 [pid 7276] <... futex resumed>) = 0 [pid 7285] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7286 attached NULL, 8) = 0 [pid 7276] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7285] ioctl(3, UFFDIO_REGISTER, NULL [pid 7283] <... clone3 resumed> => {parent_tid=[7286]}, 88) = 7286 [pid 7286] <... rseq resumed>) = 0 [pid 7285] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7286] set_robust_list(0x7f2f310f39a0, 24 [pid 7283] rt_sigprocmask(SIG_SETMASK, [], [pid 7286] <... set_robust_list resumed>) = 0 [pid 7285] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] rt_sigprocmask(SIG_SETMASK, [], [pid 7283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7285] <... futex resumed>) = 1 [pid 7276] <... futex resumed>) = 0 [pid 7283] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] userfaultfd(UFFD_USER_MODE_ONLY [pid 7285] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... mmap resumed>) = 0x7f2f310b2000 [pid 7276] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7286] <... userfaultfd resumed>) = 3 [pid 7283] <... futex resumed>) = 0 [pid 7279] <... futex resumed>) = 0 [pid 7277] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7276] <... futex resumed>) = 1 [pid 7275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7286] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7277] <... mprotect resumed>) = 0 [pid 7276] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7287 attached [pid 7286] <... futex resumed>) = 0 [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... io_uring_register resumed>) = 0 [pid 7279] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7287] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7286] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7275] <... clone3 resumed> => {parent_tid=[7287]}, 88) = 7287 [pid 7287] <... rseq resumed>) = 0 [pid 7286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [pid 7279] <... futex resumed>) = 1 [pid 7277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7276] <... futex resumed>) = 0 [pid 7275] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7288 attached [pid 7287] set_robust_list(0x7f2f310d29a0, 24 [pid 7286] ioctl(3, UFFDIO_API, NULL [pid 7283] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7279] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7288] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7287] <... set_robust_list resumed>) = 0 [pid 7286] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... clone3 resumed> => {parent_tid=[7288]}, 88) = 7288 [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... rseq resumed>) = 0 [pid 7287] rt_sigprocmask(SIG_SETMASK, [], [pid 7286] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7277] rt_sigprocmask(SIG_SETMASK, [], [pid 7276] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] <... futex resumed>) = 0 [pid 7288] set_robust_list(0x7f2f310d29a0, 24 [pid 7287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7283] <... futex resumed>) = 0 [pid 7277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7275] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] <... set_robust_list resumed>) = 0 [pid 7287] ioctl(3, UFFDIO_REGISTER, NULL [pid 7286] <... futex resumed>) = 1 [pid 7283] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] rt_sigprocmask(SIG_SETMASK, [], [pid 7287] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7286] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7283] <... futex resumed>) = 0 [pid 7279] <... madvise resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [pid 7288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7287] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7277] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] ioctl(3, UFFDIO_REGISTER, NULL [pid 7287] <... futex resumed>) = 1 [pid 7286] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7279] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... futex resumed>) = 0 [pid 7288] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7287] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = 1 [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = 1 [pid 7283] <... futex resumed>) = 0 [pid 7281] <... futex resumed>) = 0 [pid 7279] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] exit_group(0 [pid 7275] <... futex resumed>) = 1 [pid 7288] <... futex resumed>) = 1 [pid 7286] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] <... futex resumed>) = ? [pid 7283] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7279] <... futex resumed>) = ? [pid 7277] <... futex resumed>) = 0 [pid 7276] <... exit_group resumed>) = ? [pid 7275] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7285] +++ exited with 0 +++ [pid 7283] <... futex resumed>) = 0 [pid 7281] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7279] +++ exited with 0 +++ [pid 7277] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7283] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... futex resumed>) = 0 [pid 7277] <... futex resumed>) = 1 [pid 7280] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7277] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7280] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7280] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7281] <... futex resumed>) = 1 [pid 7280] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7277] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] <... futex resumed>) = 0 [pid 7282] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] +++ exited with 0 +++ [pid 7275] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = 0 [pid 7281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7275] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7276, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7281] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7275] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] <... madvise resumed>) = 0 [pid 7282] <... mmap resumed>) = 0x7f2f310b2000 [pid 7281] <... madvise resumed>) = 0 [pid 7282] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7281] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7282] <... mprotect resumed>) = 0 [pid 7280] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7289 attached [pid 7282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7281] <... futex resumed>) = 1 [pid 7280] <... futex resumed>) = 1 [pid 7277] <... futex resumed>) = 0 [pid 7275] <... futex resumed>) = 0 [pid 7289] set_robust_list(0x555592b0f6a0, 24 [pid 7282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7281] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] exit_group(0 [pid 7275] exit_group(0 [pid 7289] <... set_robust_list resumed>) = 0 [pid 7288] <... futex resumed>) = ? [pid 7287] <... futex resumed>) = ? [pid 7284] <... io_uring_register resumed>) = 0 [pid 7282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7281] <... futex resumed>) = ? [pid 7277] <... exit_group resumed>) = ? [pid 7275] <... exit_group resumed>) = ? [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7289 ./strace-static-x86_64: Process 7290 attached [pid 7289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7288] +++ exited with 0 +++ [pid 7287] +++ exited with 0 +++ [pid 7284] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] +++ exited with 0 +++ [pid 7280] +++ exited with 0 +++ [pid 7277] +++ exited with 0 +++ [pid 7275] +++ exited with 0 +++ [pid 7290] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7289] <... prctl resumed>) = 0 [pid 7284] <... futex resumed>) = 0 [pid 7282] <... clone3 resumed> => {parent_tid=[7290]}, 88) = 7290 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7275, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7277, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7290] <... rseq resumed>) = 0 [pid 7289] setpgid(0, 0 [pid 7284] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7291 attached ./strace-static-x86_64: Process 7292 attached [pid 7291] set_robust_list(0x555592b0f6a0, 24 [pid 7289] <... setpgid resumed>) = 0 [pid 7282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7291 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7292 [pid 7292] set_robust_list(0x555592b0f6a0, 24 [pid 7291] <... set_robust_list resumed>) = 0 [pid 7290] set_robust_list(0x7f2f310d29a0, 24 [pid 7289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... set_robust_list resumed>) = 0 [pid 7291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7290] <... set_robust_list resumed>) = 0 [pid 7289] <... openat resumed>) = 3 [pid 7282] <... futex resumed>) = 0 [pid 7292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7291] <... prctl resumed>) = 0 [pid 7290] rt_sigprocmask(SIG_SETMASK, [], [pid 7282] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7292] <... prctl resumed>) = 0 [pid 7291] setpgid(0, 0 [pid 7290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7289] write(3, "1000", 4 [pid 7292] setpgid(0, 0 [pid 7291] <... setpgid resumed>) = 0 [pid 7290] ioctl(3, UFFDIO_REGISTER, NULL [pid 7292] <... setpgid resumed>) = 0 [pid 7289] <... write resumed>) = 4 [pid 7290] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7290] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] close(3 [pid 7291] <... openat resumed>) = 3 [pid 7290] <... futex resumed>) = 1 [pid 7282] <... futex resumed>) = 0 [pid 7290] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... openat resumed>) = 3 [pid 7289] <... close resumed>) = 0 [pid 7282] <... futex resumed>) = 1 [pid 7291] write(3, "1000", 4 [pid 7289] write(1, "executing program\n", 18 [pid 7284] <... futex resumed>) = 0 [pid 7282] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7291] <... write resumed>) = 4 executing program [pid 7284] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7291] close(3 [pid 7284] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7292] write(3, "1000", 4 [pid 7291] <... close resumed>) = 0 [pid 7289] <... write resumed>) = 18 [pid 7284] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... write resumed>) = 4 [pid 7291] write(1, "executing program\n", 18 [pid 7289] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = 1 executing program [pid 7282] <... futex resumed>) = 0 [pid 7292] close(3 [pid 7291] <... write resumed>) = 18 [pid 7289] <... futex resumed>) = 0 [pid 7284] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... close resumed>) = 0 [pid 7291] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] <... futex resumed>) = 0 executing program [pid 7292] write(1, "executing program\n", 18 [pid 7291] <... futex resumed>) = 0 [pid 7289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7284] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7282] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7292] <... write resumed>) = 18 [pid 7291] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7284] <... madvise resumed>) = 0 [pid 7291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7292] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7283] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7283] <... futex resumed>) = 0 [pid 7291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7292] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7291] <... mmap resumed>) = 0x7f2f310d3000 [pid 7289] <... mmap resumed>) = 0x7f2f310d3000 [pid 7283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7291] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7291] <... mprotect resumed>) = 0 [pid 7289] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7284] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7284] <... futex resumed>) = 1 [pid 7282] <... futex resumed>) = 0 [pid 7292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7289] <... mprotect resumed>) = 0 [pid 7282] exit_group(0 [pid 7292] <... mmap resumed>) = 0x7f2f310d3000 [pid 7291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7290] <... futex resumed>) = ? [pid 7289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7282] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7293 attached [pid 7292] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7290] +++ exited with 0 +++ [pid 7289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7286] <... io_uring_register resumed>) = 0 [pid 7284] +++ exited with 0 +++ [pid 7283] <... mmap resumed>) = 0x7f2f310b2000 [pid 7292] <... mprotect resumed>) = 0 [pid 7283] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7286] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] +++ exited with 0 +++ [pid 7292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7293] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7291] <... clone3 resumed> => {parent_tid=[7293]}, 88) = 7293 [pid 7292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7286] <... futex resumed>) = 0 [pid 7283] <... mprotect resumed>) = 0 [pid 7289] <... clone3 resumed> => {parent_tid=[7294]}, 88) = 7294 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7282, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7289] rt_sigprocmask(SIG_SETMASK, [], [pid 7286] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7295 attached ./strace-static-x86_64: Process 7294 attached [pid 7293] <... rseq resumed>) = 0 [pid 7291] rt_sigprocmask(SIG_SETMASK, [], [pid 7289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7293] set_robust_list(0x7f2f310f39a0, 24 [pid 7291] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7291] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7296 attached [pid 7295] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7294] <... rseq resumed>) = 0 [pid 7293] rt_sigprocmask(SIG_SETMASK, [], [pid 7292] <... clone3 resumed> => {parent_tid=[7295]}, 88) = 7295 [pid 7291] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7289] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... rseq resumed>) = 0 [pid 7292] rt_sigprocmask(SIG_SETMASK, [], [pid 7289] <... futex resumed>) = 0 [pid 7283] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7295] set_robust_list(0x7f2f310f39a0, 24 [pid 7292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7289] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7296] set_robust_list(0x555592b0f6a0, 24 [pid 7295] <... set_robust_list resumed>) = 0 [pid 7292] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7296 [pid 7295] rt_sigprocmask(SIG_SETMASK, [], [pid 7292] <... futex resumed>) = 0 [pid 7295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7295] userfaultfd(UFFD_USER_MODE_ONLY [pid 7292] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7295] <... userfaultfd resumed>) = 3 [pid 7295] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] set_robust_list(0x7f2f310f39a0, 24 [pid 7293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7295] <... futex resumed>) = 1 [pid 7294] <... set_robust_list resumed>) = 0 [pid 7293] userfaultfd(UFFD_USER_MODE_ONLY [pid 7292] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7297 attached [pid 7296] <... set_robust_list resumed>) = 0 [pid 7295] ioctl(3, UFFDIO_API, NULL [pid 7294] rt_sigprocmask(SIG_SETMASK, [], [pid 7293] <... userfaultfd resumed>) = 3 [pid 7292] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7295] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7293] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7283] <... clone3 resumed> => {parent_tid=[7297]}, 88) = 7297 [pid 7296] <... prctl resumed>) = 0 [pid 7295] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] userfaultfd(UFFD_USER_MODE_ONLY [pid 7293] <... futex resumed>) = 1 [pid 7292] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7291] <... futex resumed>) = 0 [pid 7283] rt_sigprocmask(SIG_SETMASK, [], [pid 7297] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7296] setpgid(0, 0 [pid 7295] <... futex resumed>) = 0 [pid 7294] <... userfaultfd resumed>) = 3 [pid 7293] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7297] <... rseq resumed>) = 0 [pid 7296] <... setpgid resumed>) = 0 [pid 7295] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7294] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... futex resumed>) = 0 [pid 7283] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] set_robust_list(0x7f2f310d29a0, 24 [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7294] <... futex resumed>) = 1 [pid 7293] ioctl(3, UFFDIO_API, NULL [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7289] <... futex resumed>) = 0 [pid 7283] <... futex resumed>) = 0 [pid 7297] <... set_robust_list resumed>) = 0 [pid 7295] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7294] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7292] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7283] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7297] rt_sigprocmask(SIG_SETMASK, [], [pid 7293] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7293] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 [pid 7297] ioctl(3, UFFDIO_REGISTER, NULL [pid 7295] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7293] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7296] <... openat resumed>) = 3 [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] <... futex resumed>) = 0 [pid 7297] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7291] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] <... futex resumed>) = 0 [pid 7283] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7297] <... futex resumed>) = 1 [pid 7296] write(3, "1000", 4 [pid 7289] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = 0 [pid 7283] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7297] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7296] <... write resumed>) = 4 [pid 7295] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... futex resumed>) = 0 [pid 7293] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7289] <... futex resumed>) = 1 [pid 7286] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7296] close(3 [pid 7295] <... futex resumed>) = 1 [pid 7294] ioctl(3, UFFDIO_API, NULL [pid 7292] <... futex resumed>) = 0 [pid 7289] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7296] <... close resumed>) = 0 [pid 7295] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7294] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7292] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7296] write(1, "executing program\n", 18 [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7294] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7286] <... futex resumed>) = 1 [pid 7283] <... futex resumed>) = 0 [pid 7296] <... write resumed>) = 18 [pid 7295] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7294] <... futex resumed>) = 1 [pid 7293] <... futex resumed>) = 1 [pid 7292] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7291] <... futex resumed>) = 0 [pid 7289] <... futex resumed>) = 0 [pid 7286] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7283] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7291] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7294] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7291] <... futex resumed>) = 0 [pid 7294] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7291] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] <... madvise resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7296] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7289] <... futex resumed>) = 1 [pid 7294] <... futex resumed>) = 0 [pid 7294] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7296] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7289] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7286] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7286] <... futex resumed>) = 1 [pid 7283] <... futex resumed>) = 0 [pid 7296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7289] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] exit_group(0 [pid 7297] <... futex resumed>) = ? [pid 7296] <... mmap resumed>) = 0x7f2f310d3000 [pid 7294] <... futex resumed>) = 0 [pid 7289] <... futex resumed>) = 1 [pid 7286] <... futex resumed>) = ? [pid 7283] <... exit_group resumed>) = ? [pid 7297] +++ exited with 0 +++ [pid 7294] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7286] +++ exited with 0 +++ [pid 7283] +++ exited with 0 +++ [pid 7289] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7283, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7296] <... mprotect resumed>) = 0 [pid 7296] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555592b0f690) = 7298 ./strace-static-x86_64: Process 7298 attached [pid 7298] set_robust_list(0x555592b0f6a0, 24 [pid 7296] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7298] <... set_robust_list resumed>) = 0 [pid 7296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7299 attached [pid 7298] setpgid(0, 0 [pid 7296] <... clone3 resumed> => {parent_tid=[7299]}, 88) = 7299 [pid 7293] <... io_uring_register resumed>) = 0 [pid 7292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7298] <... setpgid resumed>) = 0 [pid 7296] rt_sigprocmask(SIG_SETMASK, [], [pid 7292] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7292] <... futex resumed>) = 0 [pid 7292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7299] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7296] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7299] <... rseq resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7291] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7291] <... futex resumed>) = 0 [pid 7298] <... openat resumed>) = 3 [pid 7291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7299] set_robust_list(0x7f2f310f39a0, 24 [pid 7291] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7299] <... set_robust_list resumed>) = 0 [pid 7291] <... mprotect resumed>) = 0 [pid 7299] rt_sigprocmask(SIG_SETMASK, [], [pid 7293] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7293] <... futex resumed>) = 0 [pid 7291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7299] userfaultfd(UFFD_USER_MODE_ONLY [pid 7293] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7300 attached [pid 7299] <... userfaultfd resumed>) = 3 [pid 7299] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... clone3 resumed> => {parent_tid=[7300]}, 88) = 7300 [pid 7299] <... futex resumed>) = 1 [pid 7291] rt_sigprocmask(SIG_SETMASK, [], [pid 7299] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7291] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7291] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7298] write(3, "1000", 4 [pid 7296] <... futex resumed>) = 0 [pid 7298] <... write resumed>) = 4 [pid 7300] <... rseq resumed>) = 0 [pid 7298] close(3 [pid 7296] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] set_robust_list(0x7f2f310d29a0, 24 [pid 7298] <... close resumed>) = 0 [pid 7300] <... set_robust_list resumed>) = 0 [pid 7299] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 1 [pid 7300] rt_sigprocmask(SIG_SETMASK, [], [pid 7299] ioctl(3, UFFDIO_API, NULLexecuting program [pid 7298] write(1, "executing program\n", 18 [pid 7296] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7299] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7298] <... write resumed>) = 18 [pid 7300] ioctl(3, UFFDIO_REGISTER, NULL [pid 7299] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7299] <... futex resumed>) = 1 [pid 7298] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7300] <... futex resumed>) = 1 [pid 7298] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7296] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... io_uring_register resumed>) = 0 [pid 7292] <... mmap resumed>) = 0x7f2f310b2000 [pid 7291] <... futex resumed>) = 0 [pid 7289] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7300] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] <... futex resumed>) = 0 [pid 7298] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7296] <... futex resumed>) = 1 [pid 7295] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7291] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7296] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7295] <... futex resumed>) = 0 [pid 7293] <... futex resumed>) = 0 [pid 7292] <... mprotect resumed>) = 0 [pid 7291] <... futex resumed>) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7299] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7295] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7291] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7299] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7293] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7299] <... futex resumed>) = 1 [pid 7298] <... mmap resumed>) = 0x7f2f310d3000 [pid 7296] <... futex resumed>) = 0 [pid 7293] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7299] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7296] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7301 attached [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7298] <... mprotect resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7293] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7299] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7298] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7296] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] <... futex resumed>) = 0 [pid 7301] <... rseq resumed>) = 0 [pid 7293] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7291] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7301] set_robust_list(0x7f2f310d29a0, 24 [pid 7298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7292] <... clone3 resumed> => {parent_tid=[7301]}, 88) = 7301 [pid 7298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7292] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7302 attached NULL, 8) = 0 [pid 7302] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7298] <... clone3 resumed> => {parent_tid=[7302]}, 88) = 7302 [pid 7292] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... rseq resumed>) = 0 [pid 7298] rt_sigprocmask(SIG_SETMASK, [], [pid 7292] <... futex resumed>) = 0 [pid 7302] set_robust_list(0x7f2f310f39a0, 24 [pid 7301] <... set_robust_list resumed>) = 0 [pid 7298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7292] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... set_robust_list resumed>) = 0 [pid 7298] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] rt_sigprocmask(SIG_SETMASK, [], [pid 7302] rt_sigprocmask(SIG_SETMASK, [], [pid 7301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7298] <... futex resumed>) = 0 [pid 7294] <... io_uring_register resumed>) = 0 [pid 7289] <... mmap resumed>) = 0x7f2f310b2000 [pid 7302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7301] ioctl(3, UFFDIO_REGISTER, NULL [pid 7298] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7289] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7302] userfaultfd(UFFD_USER_MODE_ONLY [pid 7301] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7289] <... mprotect resumed>) = 0 [pid 7302] <... userfaultfd resumed>) = 3 [pid 7301] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... madvise resumed>) = 0 [pid 7289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7294] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] <... futex resumed>) = 1 [pid 7293] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7302] <... futex resumed>) = 1 [pid 7301] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = 0 [pid 7293] <... futex resumed>) = 1 [pid 7292] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... futex resumed>) = 0 [pid 7289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7302] ioctl(3, UFFDIO_API, NULL [pid 7298] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = 0 [pid 7294] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] <... futex resumed>) = 1 [pid 7291] exit_group(0./strace-static-x86_64: Process 7303 attached [pid 7302] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7300] <... futex resumed>) = ? [pid 7298] <... futex resumed>) = 0 [pid 7295] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7293] <... futex resumed>) = ? [pid 7292] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7291] <... exit_group resumed>) = ? [pid 7289] <... clone3 resumed> => {parent_tid=[7303]}, 88) = 7303 [pid 7303] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7302] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] +++ exited with 0 +++ [pid 7298] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7295] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7293] +++ exited with 0 +++ [pid 7289] rt_sigprocmask(SIG_SETMASK, [], [pid 7303] <... rseq resumed>) = 0 [pid 7302] <... futex resumed>) = 0 [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7303] set_robust_list(0x7f2f310d29a0, 24 [pid 7302] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = 1 [pid 7292] <... futex resumed>) = 0 [pid 7289] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] <... set_robust_list resumed>) = 0 [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7298] <... futex resumed>) = 0 [pid 7295] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] +++ exited with 0 +++ [pid 7289] <... futex resumed>) = 0 [pid 7303] rt_sigprocmask(SIG_SETMASK, [], [pid 7302] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7298] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] <... futex resumed>) = 0 [pid 7289] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7291, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7302] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7295] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7292] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7295] <... madvise resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7302] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7302] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7304 attached [pid 7298] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7304 [pid 7304] set_robust_list(0x555592b0f6a0, 24 [pid 7303] <... futex resumed>) = 1 [pid 7302] <... futex resumed>) = 0 [pid 7298] <... futex resumed>) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7304] <... set_robust_list resumed>) = 0 [pid 7303] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7302] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7298] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7289] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7294] <... futex resumed>) = 0 [pid 7289] <... futex resumed>) = 1 [pid 7304] <... prctl resumed>) = 0 [pid 7294] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7289] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] setpgid(0, 0 [pid 7294] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7304] <... setpgid resumed>) = 0 [pid 7294] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7289] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7289] <... futex resumed>) = 0 [pid 7289] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7295] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7294] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7292] <... futex resumed>) = 0 [pid 7295] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] exit_group(0 [pid 7304] <... openat resumed>) = 3 [pid 7301] <... futex resumed>) = ? [pid 7295] <... futex resumed>) = ? [pid 7292] <... exit_group resumed>) = ? [pid 7304] write(3, "1000", 4 [pid 7301] +++ exited with 0 +++ [pid 7295] +++ exited with 0 +++ [pid 7292] +++ exited with 0 +++ executing program [pid 7294] <... madvise resumed>) = 0 [pid 7304] <... write resumed>) = 4 [pid 7299] <... io_uring_register resumed>) = 0 [pid 7296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7292, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7304] close(3 [pid 7299] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7304] <... close resumed>) = 0 [pid 7299] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = 1 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7304] write(1, "executing program\n", 18 [pid 7299] ioctl(3, UFFDIO_REGISTER, NULL [pid 7296] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] <... write resumed>) = 18 [pid 7299] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7304] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] <... futex resumed>) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7299] <... futex resumed>) = 1 [pid 7296] <... futex resumed>) = 0 [pid 7289] exit_group(0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7304] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7303] <... futex resumed>) = ? [pid 7299] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7296] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... futex resumed>) = ? [pid 7289] <... exit_group resumed>) = ? [pid 7304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7303] +++ exited with 0 +++ [pid 7296] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7305 attached [pid 7304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7296] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] +++ exited with 0 +++ [pid 7289] +++ exited with 0 +++ [pid 7304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7299] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7305 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7289, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7299] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7305] set_robust_list(0x555592b0f6a0, 24 [pid 7299] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7299] <... futex resumed>) = 1 [pid 7296] <... futex resumed>) = 0 [pid 7299] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7296] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] <... set_robust_list resumed>) = 0 [pid 7304] <... mmap resumed>) = 0x7f2f310d3000 [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7296] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7304] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7299] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7296] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7305] <... prctl resumed>) = 0 [pid 7304] <... mprotect resumed>) = 0 [pid 7305] setpgid(0, 0 [pid 7302] <... io_uring_register resumed>) = 0 [pid 7299] <... madvise resumed>) = 0 [pid 7298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7306 attached [pid 7305] <... setpgid resumed>) = 0 [pid 7304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7302] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7302] <... futex resumed>) = 0 [pid 7306] set_robust_list(0x555592b0f6a0, 24 [pid 7299] <... futex resumed>) = 1 [pid 7298] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7306 ./strace-static-x86_64: Process 7307 attached [pid 7306] <... set_robust_list resumed>) = 0 [pid 7305] <... openat resumed>) = 3 [pid 7302] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7307] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7305] write(3, "1000", 4 [pid 7304] <... clone3 resumed> => {parent_tid=[7307]}, 88) = 7307 [pid 7298] <... mmap resumed>) = 0x7f2f310b2000 [pid 7296] exit_group(0 [pid 7307] <... rseq resumed>) = 0 [pid 7306] <... prctl resumed>) = 0 [pid 7305] <... write resumed>) = 4 [pid 7304] rt_sigprocmask(SIG_SETMASK, [], [pid 7298] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 7299] <... futex resumed>) = ? [pid 7296] <... exit_group resumed>) = ? [pid 7307] set_robust_list(0x7f2f310f39a0, 24 [pid 7306] setpgid(0, 0 [pid 7305] close(3 [pid 7304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7298] <... mprotect resumed>) = 0 [pid 7307] <... set_robust_list resumed>) = 0 [pid 7305] <... close resumed>) = 0 [pid 7298] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7307] rt_sigprocmask(SIG_SETMASK, [], [pid 7305] write(1, "executing program\n", 18 [pid 7298] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7305] <... write resumed>) = 18 [pid 7298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7308 attached [pid 7307] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... setpgid resumed>) = 0 [pid 7305] <... futex resumed>) = 0 [pid 7304] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] +++ exited with 0 +++ [pid 7298] <... clone3 resumed> => {parent_tid=[7308]}, 88) = 7308 [pid 7296] +++ exited with 0 +++ [pid 7308] <... rseq resumed>) = 0 [pid 7307] userfaultfd(UFFD_USER_MODE_ONLY [pid 7305] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7298] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7296, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7308] set_robust_list(0x7f2f310d29a0, 24 [pid 7307] <... userfaultfd resumed>) = 3 [pid 7306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7305] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7308] <... set_robust_list resumed>) = 0 [pid 7307] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... openat resumed>) = 3 [pid 7305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7304] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7298] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7308] rt_sigprocmask(SIG_SETMASK, [], [pid 7306] write(3, "1000", 4 [pid 7304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7298] <... futex resumed>) = 0 [pid 7308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7306] <... write resumed>) = 4 [pid 7305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7304] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7308] ioctl(3, UFFDIO_REGISTER, NULL [pid 7307] <... futex resumed>) = 0 [pid 7306] close(3 [pid 7305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7304] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7308] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7307] ioctl(3, UFFDIO_API, NULL [pid 7306] <... close resumed>) = 0 [pid 7305] <... mmap resumed>) = 0x7f2f310d3000 [pid 7304] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 7308] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7306] write(1, "executing program\n", 18 [pid 7305] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7309 attached [pid 7308] <... futex resumed>) = 1 [pid 7307] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... write resumed>) = 18 [pid 7305] <... mprotect resumed>) = 0 [pid 7298] <... futex resumed>) = 0 [pid 7309] set_robust_list(0x555592b0f6a0, 24 [pid 7308] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] <... futex resumed>) = 1 [pid 7306] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] <... futex resumed>) = 0 [pid 7309] <... set_robust_list resumed>) = 0 [pid 7307] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... futex resumed>) = 0 [pid 7305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7304] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7309 [pid 7309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7302] <... futex resumed>) = 0 [pid 7298] <... futex resumed>) = 1 [pid 7309] <... prctl resumed>) = 0 [pid 7307] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7306] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7304] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7298] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7302] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7310 attached [pid 7309] setpgid(0, 0 [pid 7307] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7302] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7310] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7309] <... setpgid resumed>) = 0 [pid 7306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7302] <... futex resumed>) = 0 [pid 7305] <... clone3 resumed> => {parent_tid=[7310]}, 88) = 7310 [pid 7298] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] <... rseq resumed>) = 0 [pid 7309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7307] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... mmap resumed>) = 0x7f2f310d3000 [pid 7305] rt_sigprocmask(SIG_SETMASK, [], [pid 7302] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7298] <... futex resumed>) = 0 [pid 7310] set_robust_list(0x7f2f310f39a0, 24 [pid 7307] <... futex resumed>) = 1 [pid 7305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7298] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] <... set_robust_list resumed>) = 0 [pid 7307] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] rt_sigprocmask(SIG_SETMASK, [], [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 7310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7309] <... openat resumed>) = 3 [pid 7307] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7304] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] userfaultfd(UFFD_USER_MODE_ONLY [pid 7309] write(3, "1000", 4 [pid 7305] <... futex resumed>) = 0 [pid 7310] <... userfaultfd resumed>) = 3 [pid 7309] <... write resumed>) = 4 [pid 7305] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... madvise resumed>) = 0 [pid 7310] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] close(3 [pid 7310] <... futex resumed>) = 1 executing program [pid 7305] <... futex resumed>) = 0 [pid 7309] <... close resumed>) = 0 [pid 7310] ioctl(3, UFFDIO_API, NULL [pid 7305] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] write(1, "executing program\n", 18 [pid 7305] <... futex resumed>) = 0 [pid 7309] <... write resumed>) = 18 [pid 7306] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7309] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... mprotect resumed>) = 0 [pid 7305] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7310] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7309] <... futex resumed>) = 0 [pid 7306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7310] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7311 attached [pid 7310] <... futex resumed>) = 1 [pid 7309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7305] <... futex resumed>) = 0 [pid 7311] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7306] <... clone3 resumed> => {parent_tid=[7311]}, 88) = 7311 [pid 7311] <... rseq resumed>) = 0 [pid 7306] rt_sigprocmask(SIG_SETMASK, [], [pid 7302] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] set_robust_list(0x7f2f310f39a0, 24 [pid 7306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7302] <... futex resumed>) = 1 [pid 7311] <... set_robust_list resumed>) = 0 [pid 7310] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7306] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = 0 [pid 7311] rt_sigprocmask(SIG_SETMASK, [], [pid 7310] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7305] <... futex resumed>) = 0 [pid 7305] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7298] exit_group(0 [pid 7308] <... futex resumed>) = ? [pid 7298] <... exit_group resumed>) = ? [pid 7309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7308] +++ exited with 0 +++ [pid 7311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7311] userfaultfd(UFFD_USER_MODE_ONLY [pid 7309] <... mmap resumed>) = 0x7f2f310d3000 [pid 7306] <... futex resumed>) = 0 [pid 7302] <... futex resumed>) = ? [pid 7310] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7311] <... userfaultfd resumed>) = 3 [pid 7310] <... futex resumed>) = 1 [pid 7309] <... mprotect resumed>) = 0 [pid 7306] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7305] <... futex resumed>) = 0 [pid 7302] +++ exited with 0 +++ [pid 7298] +++ exited with 0 +++ [pid 7311] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... futex resumed>) = 1 [pid 7310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7306] <... futex resumed>) = 0 [pid 7305] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7298, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7311] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7310] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7306] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7306] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7312 attached [pid 7311] ioctl(3, UFFDIO_API, NULL [pid 7306] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7311] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7311] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7306] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7311] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7306] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7311] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7311] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... futex resumed>) = 0 [pid 7306] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7306] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7311] <... futex resumed>) = 1 [pid 7311] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7312] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7312] <... rseq resumed>) = 0 [pid 7312] set_robust_list(0x7f2f310f39a0, 24./strace-static-x86_64: Process 7313 attached ) = 0 [pid 7309] <... clone3 resumed> => {parent_tid=[7312]}, 88) = 7312 [pid 7313] set_robust_list(0x555592b0f6a0, 24 [pid 7312] rt_sigprocmask(SIG_SETMASK, [], [pid 7313] <... set_robust_list resumed>) = 0 [pid 7312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7309] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7313 [pid 7312] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7309] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7312] <... futex resumed>) = 0 [pid 7313] setpgid(0, 0 [pid 7309] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] userfaultfd(UFFD_USER_MODE_ONLY [pid 7313] <... setpgid resumed>) = 0 [pid 7312] <... userfaultfd resumed>) = 3 [pid 7312] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7309] <... futex resumed>) = 0 [pid 7312] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7309] <... futex resumed>) = 0 [pid 7313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7312] ioctl(3, UFFDIO_API, NULL [pid 7309] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7304] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7312] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7312] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... openat resumed>) = 3 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7313] write(3, "1000", 4 [pid 7312] <... futex resumed>) = 1 [pid 7309] <... futex resumed>) = 0 [pid 7313] <... write resumed>) = 4 [pid 7312] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7313] close(3 [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7309] <... futex resumed>) = 0 [pid 7313] <... close resumed>) = 0 [pid 7312] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7313] write(1, "executing program\n", 18 [pid 7309] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] <... write resumed>) = 18 [pid 7313] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7310] <... io_uring_register resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7306] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7306] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7313] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7312] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7305] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7312] <... futex resumed>) = 1 [pid 7313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7309] <... futex resumed>) = 0 [pid 7305] <... futex resumed>) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7312] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7310] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7313] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7310] <... futex resumed>) = 0 [pid 7310] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] <... mmap resumed>) = 0x7f2f310b2000 [pid 7304] <... mmap resumed>) = 0x7f2f310b2000 [pid 7313] <... mprotect resumed>) = 0 [pid 7309] <... futex resumed>) = 0 [pid 7305] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7304] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7307] <... io_uring_register resumed>) = 0 [pid 7307] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7307] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] <... mprotect resumed>) = 0 [pid 7304] <... mprotect resumed>) = 0 [pid 7309] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7305] <... clone3 resumed> => {parent_tid=[7314]}, 88) = 7314 ./strace-static-x86_64: Process 7314 attached ./strace-static-x86_64: Process 7315 attached [pid 7305] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7316 attached [pid 7315] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7314] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7304] <... clone3 resumed> => {parent_tid=[7315]}, 88) = 7315 [pid 7316] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7315] <... rseq resumed>) = 0 [pid 7314] <... rseq resumed>) = 0 [pid 7313] <... clone3 resumed> => {parent_tid=[7316]}, 88) = 7316 [pid 7305] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] rt_sigprocmask(SIG_SETMASK, [], [pid 7316] <... rseq resumed>) = 0 [pid 7315] set_robust_list(0x7f2f310d29a0, 24 [pid 7314] set_robust_list(0x7f2f310d29a0, 24 [pid 7313] rt_sigprocmask(SIG_SETMASK, [], [pid 7311] <... io_uring_register resumed>) = 0 [pid 7306] <... mmap resumed>) = 0x7f2f310b2000 [pid 7305] <... futex resumed>) = 0 [pid 7304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7316] set_robust_list(0x7f2f310f39a0, 24 [pid 7315] <... set_robust_list resumed>) = 0 [pid 7314] <... set_robust_list resumed>) = 0 [pid 7313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7306] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7305] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... set_robust_list resumed>) = 0 [pid 7315] rt_sigprocmask(SIG_SETMASK, [], [pid 7314] rt_sigprocmask(SIG_SETMASK, [], [pid 7313] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... mprotect resumed>) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7316] rt_sigprocmask(SIG_SETMASK, [], [pid 7315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7314] ioctl(3, UFFDIO_REGISTER, NULL [pid 7311] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7314] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7317 attached [pid 7314] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7314] <... futex resumed>) = 1 [pid 7306] <... clone3 resumed> => {parent_tid=[7317]}, 88) = 7317 [pid 7317] <... rseq resumed>) = 0 [pid 7316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7315] ioctl(3, UFFDIO_REGISTER, NULL [pid 7314] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] rt_sigprocmask(SIG_SETMASK, [], [pid 7305] <... futex resumed>) = 0 [pid 7304] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] set_robust_list(0x7f2f310d29a0, 24 [pid 7316] userfaultfd(UFFD_USER_MODE_ONLY [pid 7315] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7317] <... set_robust_list resumed>) = 0 [pid 7316] <... userfaultfd resumed>) = 3 [pid 7315] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] rt_sigprocmask(SIG_SETMASK, [], [pid 7316] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7305] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 0 [pid 7317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7315] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7310] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7306] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7305] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] ioctl(3, UFFDIO_REGISTER, NULL [pid 7316] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7310] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7307] <... futex resumed>) = 0 [pid 7304] <... futex resumed>) = 1 [pid 7317] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7310] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7304] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] <... futex resumed>) = 1 [pid 7307] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7305] <... futex resumed>) = 0 [pid 7317] <... futex resumed>) = 1 [pid 7310] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... futex resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7305] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7307] <... futex resumed>) = 1 [pid 7306] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] <... futex resumed>) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7310] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7307] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... futex resumed>) = 1 [pid 7305] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7311] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7307] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7316] ioctl(3, UFFDIO_API, NULL [pid 7311] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] <... madvise resumed>) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7316] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7311] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7311] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7306] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... madvise resumed>) = 0 [pid 7306] <... futex resumed>) = 0 [pid 7304] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 1 [pid 7307] <... madvise resumed>) = 0 [pid 7306] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7305] <... futex resumed>) = 0 [pid 7316] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] exit_group(0 [pid 7310] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7313] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = ? [pid 7305] <... exit_group resumed>) = ? [pid 7316] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7314] <... futex resumed>) = ? [pid 7313] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7307] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 0 [pid 7314] +++ exited with 0 +++ [pid 7307] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] exit_group(0 [pid 7307] <... futex resumed>) = ? [pid 7315] <... futex resumed>) = ? [pid 7304] <... exit_group resumed>) = ? [pid 7307] +++ exited with 0 +++ [pid 7311] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7315] +++ exited with 0 +++ [pid 7312] <... io_uring_register resumed>) = 0 [pid 7310] +++ exited with 0 +++ [pid 7309] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7305] +++ exited with 0 +++ [pid 7304] +++ exited with 0 +++ [pid 7316] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... futex resumed>) = 1 [pid 7309] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7304, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7305, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7316] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7312] <... futex resumed>) = 0 [pid 7311] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] <... futex resumed>) = 0 [pid 7306] exit_group(0 [pid 7317] <... futex resumed>) = ? [pid 7316] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] ioctl(3, UFFDIO_REGISTER, NULL [pid 7311] <... futex resumed>) = ? [pid 7309] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] <... exit_group resumed>) = ? [pid 7317] +++ exited with 0 +++ [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7313] <... futex resumed>) = 0 [pid 7312] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7311] +++ exited with 0 +++ [pid 7306] +++ exited with 0 +++ [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7319 attached ./strace-static-x86_64: Process 7318 attached [pid 7316] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7313] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] set_robust_list(0x555592b0f6a0, 24 [pid 7318] set_robust_list(0x555592b0f6a0, 24 [pid 7312] <... futex resumed>) = 1 [pid 7309] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7318 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7319 [pid 7312] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... set_robust_list resumed>) = 0 [pid 7318] <... set_robust_list resumed>) = 0 [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7306, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7312] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7309] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7319] <... prctl resumed>) = 0 [pid 7318] <... prctl resumed>) = 0 [pid 7319] setpgid(0, 0 [pid 7318] setpgid(0, 0 [pid 7312] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7309] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... setpgid resumed>) = 0 [pid 7318] <... setpgid resumed>) = 0 [pid 7312] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7312] <... futex resumed>) = 0 [pid 7309] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7312] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7309] <... futex resumed>) = 0 [pid 7318] <... openat resumed>) = 3 [pid 7319] <... openat resumed>) = 3 [pid 7312] <... madvise resumed>) = 0 [pid 7318] write(3, "1000", 4 [pid 7309] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 7319] write(3, "1000", 4 [pid 7318] <... write resumed>) = 4 [pid 7319] <... write resumed>) = 4 [pid 7318] close(3 [pid 7319] close(3 [pid 7318] <... close resumed>) = 0 executing program [pid 7319] <... close resumed>) = 0 [pid 7318] write(1, "executing program\n", 18executing program [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7319] write(1, "executing program\n", 18 [pid 7318] <... write resumed>) = 18 [pid 7319] <... write resumed>) = 18 [pid 7318] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7312] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7320 attached [pid 7319] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7312] <... futex resumed>) = 1 [pid 7309] <... futex resumed>) = 0 [pid 7320] set_robust_list(0x555592b0f6a0, 24 [pid 7319] <... futex resumed>) = 0 [pid 7318] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7312] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] exit_group(0 [pid 7320] <... set_robust_list resumed>) = 0 [pid 7319] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7312] <... futex resumed>) = ? [pid 7309] <... exit_group resumed>) = ? [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7320 [pid 7320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7319] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7320] <... prctl resumed>) = 0 [pid 7319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7318] <... mmap resumed>) = 0x7f2f310d3000 [pid 7320] setpgid(0, 0 [pid 7319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7318] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7320] <... setpgid resumed>) = 0 [pid 7319] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7318] <... mprotect resumed>) = 0 [pid 7320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7319] <... mprotect resumed>) = 0 [pid 7318] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7320] <... openat resumed>) = 3 [pid 7319] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7318] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7312] +++ exited with 0 +++ [pid 7309] +++ exited with 0 +++ [pid 7320] write(3, "1000", 4 [pid 7319] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7320] <... write resumed>) = 4 [pid 7319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7322 attached [pid 7320] close(3 [pid 7318] <... clone3 resumed> => {parent_tid=[7321]}, 88) = 7321 [pid 7320] <... close resumed>) = 0 [pid 7322] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053executing program [pid 7320] write(1, "executing program\n", 18 [pid 7319] <... clone3 resumed> => {parent_tid=[7322]}, 88) = 7322 [pid 7318] rt_sigprocmask(SIG_SETMASK, [], [pid 7322] <... rseq resumed>) = 0 [pid 7320] <... write resumed>) = 18 [pid 7319] rt_sigprocmask(SIG_SETMASK, [], [pid 7318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7322] set_robust_list(0x7f2f310f39a0, 24 [pid 7320] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7318] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] <... set_robust_list resumed>) = 0 [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7322] rt_sigprocmask(SIG_SETMASK, [], [pid 7320] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7319] <... futex resumed>) = 0 [pid 7318] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7319] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7322] userfaultfd(UFFD_USER_MODE_ONLY [pid 7320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7321 attached [pid 7322] <... userfaultfd resumed>) = 3 [pid 7320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7309, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7322] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7322] <... futex resumed>) = 1 [pid 7320] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7319] <... futex resumed>) = 0 [pid 7322] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] <... mprotect resumed>) = 0 [pid 7319] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7319] <... futex resumed>) = 0 [pid 7322] ioctl(3, UFFDIO_API, NULL [pid 7320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7319] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7322] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7323 attached [pid 7322] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7320] <... clone3 resumed> => {parent_tid=[7323]}, 88) = 7323 [pid 7319] <... futex resumed>) = 0 [pid 7320] rt_sigprocmask(SIG_SETMASK, [], [pid 7319] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7322] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7319] <... futex resumed>) = 0 [pid 7323] <... rseq resumed>) = 0 [pid 7320] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] set_robust_list(0x7f2f310f39a0, 24 [pid 7322] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7320] <... futex resumed>) = 0 [pid 7321] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7323] <... set_robust_list resumed>) = 0 [pid 7323] rt_sigprocmask(SIG_SETMASK, [], [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7321] <... rseq resumed>) = 0 [pid 7316] <... io_uring_register resumed>) = 0 [pid 7313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7323] userfaultfd(UFFD_USER_MODE_ONLY [pid 7322] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] set_robust_list(0x7f2f310f39a0, 24 [pid 7313] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] <... userfaultfd resumed>) = 3 [pid 7322] <... futex resumed>) = 1 [pid 7321] <... set_robust_list resumed>) = 0 [pid 7319] <... futex resumed>) = 0 [pid 7316] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7323] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7321] rt_sigprocmask(SIG_SETMASK, [], [pid 7319] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7323] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7313] <... mmap resumed>) = 0x7f2f310b2000 [pid 7321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7320] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7319] <... futex resumed>) = 0 [pid 7323] ioctl(3, UFFDIO_API, NULL [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7321] userfaultfd(UFFD_USER_MODE_ONLY [pid 7316] <... futex resumed>) = 0 [pid 7313] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7321] <... userfaultfd resumed>) = 3 [pid 7323] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] <... mprotect resumed>) = 0 [pid 7323] <... futex resumed>) = 1 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7323] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7321] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7318] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7324 attached [pid 7323] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7321] <... futex resumed>) = 0 [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] <... futex resumed>) = 1 [pid 7324] set_robust_list(0x555592b0f6a0, 24 [pid 7323] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7321] ioctl(3, UFFDIO_API, NULL [pid 7313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7324 [pid 7324] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7325 attached [pid 7324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7321] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7325] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7324] <... prctl resumed>) = 0 [pid 7321] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... clone3 resumed> => {parent_tid=[7325]}, 88) = 7325 [pid 7325] <... rseq resumed>) = 0 [pid 7324] setpgid(0, 0 [pid 7321] <... futex resumed>) = 0 [pid 7313] rt_sigprocmask(SIG_SETMASK, [], [pid 7325] set_robust_list(0x7f2f310d29a0, 24 [pid 7324] <... setpgid resumed>) = 0 [pid 7321] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7325] <... set_robust_list resumed>) = 0 [pid 7324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7323] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7324] <... openat resumed>) = 3 [pid 7323] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7313] <... futex resumed>) = 0 [pid 7325] ioctl(3, UFFDIO_REGISTER, NULL [pid 7324] write(3, "1000", 4 [pid 7323] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7324] <... write resumed>) = 4 [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7321] <... futex resumed>) = 0 [pid 7320] <... futex resumed>) = 0 [pid 7318] <... futex resumed>) = 1 [pid 7325] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] close(3 [pid 7323] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7321] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] <... futex resumed>) = 1 [pid 7324] <... close resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7321] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7325] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 7324] write(1, "executing program\n", 18 [pid 7322] <... io_uring_register resumed>) = 0 [pid 7321] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7313] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... write resumed>) = 18 [pid 7322] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7316] <... futex resumed>) = 0 [pid 7313] <... futex resumed>) = 1 [pid 7324] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] <... futex resumed>) = 0 [pid 7321] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7319] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7313] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] <... futex resumed>) = 0 [pid 7322] ioctl(3, UFFDIO_REGISTER, NULL [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7319] <... futex resumed>) = 0 [pid 7318] <... futex resumed>) = 0 [pid 7316] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7324] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7322] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7321] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7319] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7322] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7322] <... futex resumed>) = 1 [pid 7319] <... futex resumed>) = 0 [pid 7316] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7319] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7313] <... futex resumed>) = 0 [pid 7322] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7319] <... futex resumed>) = 0 [pid 7316] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7313] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7322] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7322] <... futex resumed>) = 0 [pid 7324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7322] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7324] <... mmap resumed>) = 0x7f2f310d3000 [pid 7324] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7319] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... madvise resumed>) = 0 [pid 7322] <... futex resumed>) = 0 [pid 7319] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7326 attached [pid 7324] <... clone3 resumed> => {parent_tid=[7326]}, 88) = 7326 [pid 7322] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7319] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7324] rt_sigprocmask(SIG_SETMASK, [], [pid 7322] <... madvise resumed>) = 0 [pid 7326] <... rseq resumed>) = 0 [pid 7326] set_robust_list(0x7f2f310f39a0, 24 [pid 7324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7316] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7326] <... set_robust_list resumed>) = 0 [pid 7324] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] exit_group(0 [pid 7326] rt_sigprocmask(SIG_SETMASK, [], [pid 7325] <... futex resumed>) = ? [pid 7324] <... futex resumed>) = 0 [pid 7316] <... futex resumed>) = ? [pid 7313] <... exit_group resumed>) = ? [pid 7326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7325] +++ exited with 0 +++ [pid 7324] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] <... io_uring_register resumed>) = 0 [pid 7322] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] +++ exited with 0 +++ [pid 7313] +++ exited with 0 +++ [pid 7326] userfaultfd(UFFD_USER_MODE_ONLY [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7313, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7326] <... userfaultfd resumed>) = 3 [pid 7323] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] <... futex resumed>) = 1 [pid 7319] <... futex resumed>) = 0 [pid 7326] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] exit_group(0 [pid 7326] <... futex resumed>) = 1 [pid 7324] <... futex resumed>) = 0 [pid 7322] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7324] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] ioctl(3, UFFDIO_API, NULL [pid 7324] <... futex resumed>) = 0 [pid 7324] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7326] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7324] <... futex resumed>) = 0 [pid 7326] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7324] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7324] <... futex resumed>) = 0 [pid 7324] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7326] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7320] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7319] <... exit_group resumed>) = ? [pid 7322] <... futex resumed>) = ? [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7322] +++ exited with 0 +++ [pid 7319] +++ exited with 0 +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7319, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7323] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7323] ioctl(3, UFFDIO_REGISTER, NULL [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7326] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7323] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7327 ./strace-static-x86_64: Process 7327 attached [pid 7326] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 1 [pid 7324] <... futex resumed>) = 0 [pid 7327] set_robust_list(0x555592b0f6a0, 24 [pid 7326] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7324] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7324] <... futex resumed>) = 0 [pid 7323] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] <... set_robust_list resumed>) = 0 [pid 7326] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7324] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7323] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7323] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7323] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7320] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7328 ./strace-static-x86_64: Process 7328 attached [pid 7327] setpgid(0, 0executing program [pid 7328] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7328] setpgid(0, 0) = 0 [pid 7328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7328] write(3, "1000", 4) = 4 [pid 7328] close(3) = 0 [pid 7328] write(1, "executing program\n", 18) = 18 [pid 7328] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7318] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7328] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7327] <... setpgid resumed>) = 0 [pid 7323] <... madvise resumed>) = 0 [pid 7318] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7323] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7323] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7328] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7323] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] exit_group(0 [pid 7328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7327] <... openat resumed>) = 3 [pid 7323] <... futex resumed>) = ? [pid 7320] <... exit_group resumed>) = ? [pid 7328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7323] +++ exited with 0 +++ [pid 7328] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7320] +++ exited with 0 +++ [pid 7328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7327] write(3, "1000", 4 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7320, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7327] <... write resumed>) = 4 [pid 5829] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7329 attached [pid 7327] close(3 [pid 7329] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7328] <... clone3 resumed> => {parent_tid=[7329]}, 88) = 7329 [pid 7329] <... rseq resumed>) = 0 [pid 7327] <... close resumed>) = 0 [pid 7329] set_robust_list(0x7f2f310f39a0, 24 [pid 7328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7329] <... set_robust_list resumed>) = 0 [pid 7329] rt_sigprocmask(SIG_SETMASK, [], [pid 7328] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] write(1, "executing program\n", 18 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7327] <... write resumed>) = 18 [pid 7327] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7330 ./strace-static-x86_64: Process 7330 attached [pid 7328] <... futex resumed>) = 0 [pid 7329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7328] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] set_robust_list(0x555592b0f6a0, 24 [pid 7329] userfaultfd(UFFD_USER_MODE_ONLY [pid 7327] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7318] <... mmap resumed>) = 0x7f2f310b2000 [pid 7327] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7330] <... set_robust_list resumed>) = 0 [pid 7327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7318] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7318] <... mprotect resumed>) = 0 [pid 7330] <... prctl resumed>) = 0 [pid 7329] <... userfaultfd resumed>) = 3 [pid 7327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7318] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7330] setpgid(0, 0 [pid 7329] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] <... mmap resumed>) = 0x7f2f310d3000 [pid 7324] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7318] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7330] <... setpgid resumed>) = 0 [pid 7329] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7327] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7324] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7329] ioctl(3, UFFDIO_API, NULL [pid 7328] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] <... mprotect resumed>) = 0 [pid 7324] <... futex resumed>) = 0 [pid 7329] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7328] <... futex resumed>) = 0 [pid 7318] <... clone3 resumed> => {parent_tid=[7331]}, 88) = 7331 ./strace-static-x86_64: Process 7331 attached [pid 7328] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7318] rt_sigprocmask(SIG_SETMASK, [], [pid 7329] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7331] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7330] <... openat resumed>) = 3 [pid 7329] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7318] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... rseq resumed>) = 0 [pid 7330] write(3, "1000", 4 [pid 7329] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7328] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7318] <... futex resumed>) = 0 [pid 7331] set_robust_list(0x7f2f310d29a0, 24 [pid 7330] <... write resumed>) = 4 [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7331] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7332 attached [pid 7331] rt_sigprocmask(SIG_SETMASK, [], [pid 7330] close(3 [pid 7331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7329] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7327] <... clone3 resumed> => {parent_tid=[7332]}, 88) = 7332 [pid 7331] ioctl(3, UFFDIO_REGISTER, NULL [pid 7330] <... close resumed>) = 0 [pid 7329] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7328] <... futex resumed>) = 0 [pid 7327] rt_sigprocmask(SIG_SETMASK, [], [pid 7321] <... io_uring_register resumed>) = 0 [pid 7331] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7332] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7331] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] write(1, "executing program\n", 18 [pid 7328] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7332] <... rseq resumed>) = 0 [pid 7331] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7330] <... write resumed>) = 18 [pid 7327] <... futex resumed>) = 0 [pid 7318] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] set_robust_list(0x7f2f310f39a0, 24 [pid 7330] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... set_robust_list resumed>) = 0 [pid 7330] <... futex resumed>) = 0 [pid 7329] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7332] rt_sigprocmask(SIG_SETMASK, [], [pid 7330] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7329] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7328] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7328] <... futex resumed>) = 0 [pid 7327] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7328] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] userfaultfd(UFFD_USER_MODE_ONLY [pid 7331] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7321] <... futex resumed>) = 0 [pid 7318] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... userfaultfd resumed>) = 3 [pid 7330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7332] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... mmap resumed>) = 0x7f2f310d3000 [pid 7332] <... futex resumed>) = 1 [pid 7330] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7332] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] <... mprotect resumed>) = 0 [pid 7330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7333 attached => {parent_tid=[7333]}, 88) = 7333 [pid 7330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7330] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7333] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7330] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7331] <... futex resumed>) = 0 [pid 7327] <... futex resumed>) = 0 [pid 7321] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = 0 [pid 7318] <... futex resumed>) = 1 [pid 7333] <... rseq resumed>) = 0 [pid 7332] <... futex resumed>) = 0 [pid 7327] <... futex resumed>) = 1 [pid 7321] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7333] set_robust_list(0x7f2f310f39a0, 24 [pid 7332] ioctl(3, UFFDIO_API, NULL [pid 7333] <... set_robust_list resumed>) = 0 [pid 7332] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7333] rt_sigprocmask(SIG_SETMASK, [], [pid 7332] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7332] <... futex resumed>) = 0 [pid 7333] userfaultfd(UFFD_USER_MODE_ONLY [pid 7332] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7333] <... userfaultfd resumed>) = 3 [pid 7333] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... mmap resumed>) = 0x7f2f310b2000 [pid 7333] <... futex resumed>) = 1 [pid 7330] <... futex resumed>) = 0 [pid 7324] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7333] ioctl(3, UFFDIO_API, NULL [pid 7330] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... mprotect resumed>) = 0 [pid 7333] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7330] <... futex resumed>) = 0 [pid 7327] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7321] <... madvise resumed>) = 0 [pid 7318] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7333] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7333] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7330] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7324] <... clone3 resumed> => {parent_tid=[7334]}, 88) = 7334 ./strace-static-x86_64: Process 7334 attached [pid 7333] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7330] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] rt_sigprocmask(SIG_SETMASK, [], [pid 7334] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7333] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7326] <... io_uring_register resumed>) = 0 [pid 7324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7321] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... rseq resumed>) = 0 [pid 7333] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7333] <... futex resumed>) = 1 [pid 7332] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 0 [pid 7327] <... futex resumed>) = 1 [pid 7324] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] exit_group(0 [pid 7334] set_robust_list(0x7f2f310d29a0, 24 [pid 7333] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7331] <... futex resumed>) = ? [pid 7330] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = ? [pid 7318] <... exit_group resumed>) = ? [pid 7334] <... set_robust_list resumed>) = 0 [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7331] +++ exited with 0 +++ [pid 7330] <... futex resumed>) = 0 [pid 7326] <... futex resumed>) = 0 [pid 7324] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] +++ exited with 0 +++ [pid 7318] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7318, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7334] rt_sigprocmask(SIG_SETMASK, [], [pid 7333] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7332] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7332] <... futex resumed>) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7334] ioctl(3, UFFDIO_REGISTER, NULL [pid 7327] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7327] <... futex resumed>) = 0 [pid 7334] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7327] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... restart_syscall resumed>) = 0 [pid 7334] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7334] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7324] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7324] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 0 [pid 7324] <... futex resumed>) = 1 [pid 7326] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7324] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7326] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7324] <... futex resumed>) = 0 [pid 7326] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7324] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7335 attached [pid 7328] <... mmap resumed>) = 0x7f2f310b2000 [pid 7324] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7335 [pid 7328] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7324] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... mprotect resumed>) = 0 [pid 7328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7336 attached => {parent_tid=[7336]}, 88) = 7336 [pid 7335] set_robust_list(0x555592b0f6a0, 24 [pid 7328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7328] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7328] <... futex resumed>) = 0 [pid 7336] <... rseq resumed>) = 0 [pid 7328] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] set_robust_list(0x7f2f310d29a0, 24 [pid 7335] <... set_robust_list resumed>) = 0 [pid 7329] <... io_uring_register resumed>) = 0 [pid 7335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7336] <... set_robust_list resumed>) = 0 [pid 7326] <... madvise resumed>) = 0 [pid 7336] rt_sigprocmask(SIG_SETMASK, [], [pid 7335] <... prctl resumed>) = 0 [pid 7329] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7335] setpgid(0, 0 [pid 7329] <... futex resumed>) = 0 [pid 7336] ioctl(3, UFFDIO_REGISTER, NULL [pid 7335] <... setpgid resumed>) = 0 [pid 7336] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7326] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 1 [pid 7324] <... futex resumed>) = 0 [pid 7336] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7326] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7324] exit_group(0 [pid 7334] <... futex resumed>) = ? [pid 7328] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = ? [pid 7324] <... exit_group resumed>) = ? [pid 7334] +++ exited with 0 +++ [pid 7329] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7328] <... futex resumed>) = 0 [pid 7326] +++ exited with 0 +++ [pid 7335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7329] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7328] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7324, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7336] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7337 attached [pid 7329] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7329] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7337 [pid 7335] <... openat resumed>) = 3 [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7328] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7337] setpgid(0, 0) = 0 [pid 7337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7337] write(3, "1000", 4) = 4 executing program [pid 7337] close(3) = 0 [pid 7337] write(1, "executing program\n", 18) = 18 [pid 7337] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 7330] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7337] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7335] write(3, "1000", 4 [pid 7329] <... madvise resumed>) = 0 [pid 7330] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... write resumed>) = 4 [pid 7337] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7335] close(3 [pid 7330] <... futex resumed>) = 0 [pid 7337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7335] <... close resumed>) = 0 [pid 7330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7335] write(1, "executing program\n", 18 [pid 7337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7335] <... write resumed>) = 18 [pid 7337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7337] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7335] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... futex resumed>) = 0 [pid 7327] <... futex resumed>) = 0 [pid 7337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7335] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7335] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7329] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7329] <... futex resumed>) = 1 [pid 7328] <... futex resumed>) = 0 [pid 7335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7329] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] exit_group(0 [pid 7336] <... futex resumed>) = ? [pid 7335] <... mmap resumed>) = 0x7f2f310d3000 [pid 7329] <... futex resumed>) = ? [pid 7328] <... exit_group resumed>) = ? [pid 7336] +++ exited with 0 +++ ./strace-static-x86_64: Process 7338 attached [pid 7337] <... clone3 resumed> => {parent_tid=[7338]}, 88) = 7338 [pid 7337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7337] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7337] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7338] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7338] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7338] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7338] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7338] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] <... futex resumed>) = 0 [pid 7337] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... futex resumed>) = 0 [pid 7337] <... futex resumed>) = 1 [pid 7338] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7338] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7338] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7338] <... futex resumed>) = 0 [pid 7338] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7337] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7338] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7329] +++ exited with 0 +++ [pid 7328] +++ exited with 0 +++ [pid 7335] <... mprotect resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7328, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7338] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7338] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7337] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7332] <... io_uring_register resumed>) = 0 [pid 7327] <... mmap resumed>) = 0x7f2f310b2000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7327] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7332] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7332] <... futex resumed>) = 0 [pid 7327] <... mprotect resumed>) = 0 [pid 7335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7332] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7340 attached [pid 7327] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7340] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7335] <... clone3 resumed> => {parent_tid=[7340]}, 88) = 7340 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7335] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7341 attached [pid 7340] <... rseq resumed>) = 0 [pid 7335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7330] <... mmap resumed>) = 0x7f2f310b2000 [pid 7327] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7341] set_robust_list(0x555592b0f6a0, 24 [pid 7340] set_robust_list(0x7f2f310f39a0, 24 [pid 7335] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7341 [pid 7341] <... set_robust_list resumed>) = 0 [pid 7340] <... set_robust_list resumed>) = 0 [pid 7335] <... futex resumed>) = 0 [pid 7340] rt_sigprocmask(SIG_SETMASK, [], [pid 7335] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7330] <... mprotect resumed>) = 0 [pid 7341] <... prctl resumed>) = 0 [pid 7340] userfaultfd(UFFD_USER_MODE_ONLY [pid 7330] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7342 attached [pid 7341] setpgid(0, 0 [pid 7340] <... userfaultfd resumed>) = 3 [pid 7333] <... io_uring_register resumed>) = 0 [pid 7330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7327] <... clone3 resumed> => {parent_tid=[7342]}, 88) = 7342 [pid 7342] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7341] <... setpgid resumed>) = 0 [pid 7340] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7327] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7343 attached [pid 7342] <... rseq resumed>) = 0 [pid 7333] <... futex resumed>) = 0 [pid 7343] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7342] set_robust_list(0x7f2f310d29a0, 24 [pid 7341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7340] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7333] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] <... clone3 resumed> => {parent_tid=[7343]}, 88) = 7343 [pid 7327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7343] <... rseq resumed>) = 0 [pid 7342] <... set_robust_list resumed>) = 0 [pid 7330] rt_sigprocmask(SIG_SETMASK, [], [pid 7343] set_robust_list(0x7f2f310d29a0, 24 [pid 7342] rt_sigprocmask(SIG_SETMASK, [], [pid 7330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7343] <... set_robust_list resumed>) = 0 [pid 7342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7330] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] rt_sigprocmask(SIG_SETMASK, [], [pid 7342] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7343] ioctl(3, UFFDIO_REGISTER, NULL [pid 7341] <... openat resumed>) = 3 [pid 7340] ioctl(3, UFFDIO_API, NULL [pid 7335] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7342] <... futex resumed>) = 0 [pid 7341] write(3, "1000", 4 [pid 7340] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7335] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 0 [pid 7327] <... futex resumed>) = 1 [pid 7343] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] ioctl(3, UFFDIO_REGISTER, NULL [pid 7341] <... write resumed>) = 4 [pid 7340] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7343] <... futex resumed>) = 0 [pid 7342] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7341] close(3 [pid 7340] <... futex resumed>) = 0 [pid 7335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7342] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... close resumed>) = 0 [pid 7340] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 1 [pid 7341] write(1, "executing program\n", 18executing program [pid 7340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7333] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7342] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] <... write resumed>) = 18 [pid 7340] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7335] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7330] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7333] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7332] <... futex resumed>) = 0 [pid 7327] <... futex resumed>) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7340] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7340] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7333] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7340] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7335] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = 1 [pid 7332] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7330] <... futex resumed>) = 0 [pid 7341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7338] <... io_uring_register resumed>) = 0 [pid 7337] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7335] <... futex resumed>) = 0 [pid 7333] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7338] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... futex resumed>) = 1 [pid 7330] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] <... futex resumed>) = 0 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7338] <... futex resumed>) = 0 [pid 7337] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] <... futex resumed>) = 0 [pid 7327] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... mmap resumed>) = 0x7f2f310d3000 [pid 7338] ioctl(3, UFFDIO_REGISTER, NULL [pid 7337] <... futex resumed>) = 0 [pid 7333] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7330] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] <... futex resumed>) = 0 [pid 7341] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7337] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7327] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] <... mprotect resumed>) = 0 [pid 7333] <... madvise resumed>) = 0 [pid 7332] <... madvise resumed>) = 0 [pid 7341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7338] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[7344]}, 88) = 7344 ./strace-static-x86_64: Process 7344 attached [pid 7341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7344] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7341] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... rseq resumed>) = 0 [pid 7341] <... futex resumed>) = 0 [pid 7344] set_robust_list(0x7f2f310f39a0, 24 [pid 7341] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7344] <... set_robust_list resumed>) = 0 [pid 7344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7344] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7344] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7341] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7338] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... futex resumed>) = 1 [pid 7330] <... futex resumed>) = 0 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7333] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7338] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7337] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] exit_group(0 [pid 7338] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7343] <... futex resumed>) = ? [pid 7333] <... futex resumed>) = ? [pid 7338] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... exit_group resumed>) = ? [pid 7344] ioctl(3, UFFDIO_API, NULL [pid 7343] +++ exited with 0 +++ [pid 7341] <... futex resumed>) = 0 [pid 7340] <... io_uring_register resumed>) = 0 [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7333] +++ exited with 0 +++ [pid 7332] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7341] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] +++ exited with 0 +++ [pid 7344] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] <... futex resumed>) = 1 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7335] <... futex resumed>) = 0 [pid 7332] <... futex resumed>) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7344] <... futex resumed>) = 0 [pid 7341] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7338] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7337] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7335] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] exit_group(0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7330, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7344] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7342] <... futex resumed>) = ? [pid 7341] <... futex resumed>) = 0 [pid 7340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7332] <... futex resumed>) = ? [pid 7327] <... exit_group resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7344] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7342] +++ exited with 0 +++ [pid 7341] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] ioctl(3, UFFDIO_REGISTER, NULL [pid 7338] <... madvise resumed>) = 0 [pid 7335] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] +++ exited with 0 +++ [pid 7327] +++ exited with 0 +++ ./strace-static-x86_64: Process 7345 attached [pid 7344] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7338] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7327, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 7340] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7345] set_robust_list(0x555592b0f6a0, 24 [pid 7344] <... futex resumed>) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7340] <... futex resumed>) = 1 [pid 7338] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7345 [pid 7345] <... set_robust_list resumed>) = 0 [pid 7344] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7338] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] exit_group(0 [pid 7335] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] <... futex resumed>) = 0 [pid 7340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7338] <... futex resumed>) = ? [pid 7337] <... exit_group resumed>) = ? [pid 7335] <... futex resumed>) = 0 [pid 7345] <... prctl resumed>) = 0 [pid 7344] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7341] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7338] +++ exited with 0 +++ [pid 7335] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7345] setpgid(0, 0 [pid 7340] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7337] +++ exited with 0 +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 7345] <... setpgid resumed>) = 0 [pid 7340] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7337, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7340] <... futex resumed>) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7345] <... openat resumed>) = 3 [pid 7340] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7335] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7335] <... futex resumed>) = 0 [pid 7335] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7345] write(3, "1000", 4executing program ./strace-static-x86_64: Process 7346 attached ) = 4 [pid 7345] close(3) = 0 [pid 7345] write(1, "executing program\n", 18) = 18 [pid 7345] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7346 [pid 7345] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7347 [pid 7345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7340] <... madvise resumed>) = 0 [pid 7345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7345] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7348 attached ./strace-static-x86_64: Process 7347 attached [pid 7346] set_robust_list(0x555592b0f6a0, 24 [pid 7340] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] set_robust_list(0x555592b0f6a0, 24 [pid 7346] <... set_robust_list resumed>) = 0 [pid 7344] <... io_uring_register resumed>) = 0 [pid 7348] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7347] <... set_robust_list resumed>) = 0 [pid 7340] <... futex resumed>) = 1 [pid 7348] <... rseq resumed>) = 0 [pid 7347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7340] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] <... futex resumed>) = 0 [pid 7344] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... clone3 resumed> => {parent_tid=[7348]}, 88) = 7348 [pid 7348] set_robust_list(0x7f2f310f39a0, 24 [pid 7347] <... prctl resumed>) = 0 [pid 7346] <... prctl resumed>) = 0 [pid 7345] rt_sigprocmask(SIG_SETMASK, [], [pid 7344] <... futex resumed>) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7335] exit_group(0 [pid 7348] <... set_robust_list resumed>) = 0 [pid 7347] setpgid(0, 0 [pid 7346] setpgid(0, 0 [pid 7344] ioctl(3, UFFDIO_REGISTER, NULL [pid 7341] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = ? [pid 7335] <... exit_group resumed>) = ? [pid 7348] rt_sigprocmask(SIG_SETMASK, [], [pid 7347] <... setpgid resumed>) = 0 [pid 7346] <... setpgid resumed>) = 0 [pid 7344] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7341] <... futex resumed>) = 0 [pid 7348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7340] +++ exited with 0 +++ [pid 7335] +++ exited with 0 +++ [pid 7348] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] <... openat resumed>) = 3 [pid 7346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7345] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] write(3, "1000", 4 [pid 7346] <... openat resumed>) = 3 [pid 7345] <... futex resumed>) = 0 [pid 7344] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7335, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7348] userfaultfd(UFFD_USER_MODE_ONLY [pid 7347] <... write resumed>) = 4 [pid 7346] write(3, "1000", 4 [pid 7345] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7344] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7348] <... userfaultfd resumed>) = 3 [pid 7347] close(3 [pid 7346] <... write resumed>) = 4 [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] <... futex resumed>) = 0 [pid 7348] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] <... close resumed>) = 0 [pid 7346] close(3 [pid 7344] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7341] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7348] <... futex resumed>) = 1 [pid 7347] write(1, "executing program\n", 18 [pid 7346] <... close resumed>) = 0 [pid 7344] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... restart_syscall resumed>) = 0 [pid 7348] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] <... write resumed>) = 18 executing program [pid 7346] write(1, "executing program\n", 18 [pid 7345] <... futex resumed>) = 0 [pid 7344] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... write resumed>) = 18 [pid 7344] <... futex resumed>) = 1 [pid 7341] <... futex resumed>) = 0 [pid 7347] <... futex resumed>) = 0 [pid 7346] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7341] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7347] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7348] <... futex resumed>) = 0 [pid 7346] <... futex resumed>) = 0 [pid 7345] <... futex resumed>) = 1 [pid 7344] <... madvise resumed>) = 0 [pid 7341] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7348] ioctl(3, UFFDIO_API, NULL [pid 7347] <... mprotect resumed>) = 0 [pid 7346] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7345] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7346] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7348] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7348] <... futex resumed>) = 0 [pid 7346] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7349 attached [pid 7348] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7344] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] set_robust_list(0x555592b0f6a0, 24 [pid 7347] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7346] <... mmap resumed>) = 0x7f2f310d3000 [pid 7345] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7349 [pid 7349] <... set_robust_list resumed>) = 0 [pid 7348] <... futex resumed>) = 0 [pid 7347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7346] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7345] <... futex resumed>) = 1 [pid 7344] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] exit_group(0 [pid 7349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7348] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7346] <... mprotect resumed>) = 0 [pid 7345] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] <... exit_group resumed>) = ? [pid 7349] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7350 attached [pid 7346] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7344] <... futex resumed>) = ? [pid 7350] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7349] setpgid(0, 0 [pid 7348] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7347] <... clone3 resumed> => {parent_tid=[7350]}, 88) = 7350 [pid 7346] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7344] +++ exited with 0 +++ [pid 7341] +++ exited with 0 +++ [pid 7349] <... setpgid resumed>) = 0 [pid 7347] rt_sigprocmask(SIG_SETMASK, [], [pid 7346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7347] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7351 attached [pid 7347] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... clone3 resumed> => {parent_tid=[7351]}, 88) = 7351 [pid 7347] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7341, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7347] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7346] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7350] <... rseq resumed>) = 0 [pid 7350] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7351] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7349] <... openat resumed>) = 3 [pid 7348] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7351] <... rseq resumed>) = 0 [pid 7350] userfaultfd(UFFD_USER_MODE_ONLY [pid 7349] write(3, "1000", 4 [pid 7348] <... futex resumed>) = 1 [pid 7345] <... futex resumed>) = 0 [pid 7351] set_robust_list(0x7f2f310f39a0, 24 [pid 7350] <... userfaultfd resumed>) = 3 [pid 7349] <... write resumed>) = 4 [pid 7348] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7346] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... set_robust_list resumed>) = 0 [pid 7350] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] close(3 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7346] <... futex resumed>) = 0 [pid 7345] <... futex resumed>) = 0 [pid 7351] rt_sigprocmask(SIG_SETMASK, [], [pid 7350] <... futex resumed>) = 1 [pid 7349] <... close resumed>) = 0 [pid 7348] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7347] <... futex resumed>) = 0 [pid 7346] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7345] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7350] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7351] userfaultfd(UFFD_USER_MODE_ONLY [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] write(1, "executing program\n", 18 [pid 7347] <... futex resumed>) = 0 [pid 7351] <... userfaultfd resumed>) = 3 [pid 7350] ioctl(3, UFFDIO_API, NULL [pid 7349] <... write resumed>) = 18 [pid 7347] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7350] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7350] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7350] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7347] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7350] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7350] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7350] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7347] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... futex resumed>) = 1 [pid 7349] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... futex resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7351] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] <... futex resumed>) = 0 [pid 7346] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7346] <... futex resumed>) = 0 [pid 7351] ioctl(3, UFFDIO_API, NULL [pid 7349] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7346] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7351] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7352 attached [pid 7349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7346] <... futex resumed>) = 0 [pid 7351] <... futex resumed>) = 1 [pid 7352] set_robust_list(0x555592b0f6a0, 24 [pid 7346] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] <... mmap resumed>) = 0x7f2f310d3000 [pid 7346] <... futex resumed>) = 0 [pid 7351] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7349] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7346] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7352 [pid 7352] <... set_robust_list resumed>) = 0 [pid 7349] <... mprotect resumed>) = 0 [pid 7352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7352] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7353 attached [pid 7352] setpgid(0, 0 [pid 7353] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7349] <... clone3 resumed> => {parent_tid=[7353]}, 88) = 7353 [pid 7353] <... rseq resumed>) = 0 [pid 7349] rt_sigprocmask(SIG_SETMASK, [], [pid 7352] <... setpgid resumed>) = 0 [pid 7352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7352] write(3, "1000", 4 [pid 7353] set_robust_list(0x7f2f310f39a0, 24 [pid 7349] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... write resumed>) = 4 [pid 7352] close(3) = 0 [pid 7352] write(1, "executing program\n", 18executing program ) = 18 [pid 7349] <... futex resumed>) = 0 [pid 7353] <... set_robust_list resumed>) = 0 [pid 7349] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7352] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7353] userfaultfd(UFFD_USER_MODE_ONLY [pid 7352] <... futex resumed>) = 0 [pid 7353] <... userfaultfd resumed>) = 3 [pid 7352] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7353] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7353] <... futex resumed>) = 1 [pid 7352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7349] <... futex resumed>) = 0 [pid 7353] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7351] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7351] <... futex resumed>) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7346] <... futex resumed>) = 0 [pid 7353] ioctl(3, UFFDIO_API, NULL [pid 7352] <... mmap resumed>) = 0x7f2f310d3000 [pid 7351] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7352] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7353] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... mprotect resumed>) = 0 [pid 7351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7346] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = 1 [pid 7352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7351] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7349] <... futex resumed>) = 0 [pid 7346] <... futex resumed>) = 0 [pid 7353] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7349] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7349] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7354 attached [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7352] <... clone3 resumed> => {parent_tid=[7354]}, 88) = 7354 [pid 7354] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7352] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7354] <... rseq resumed>) = 0 [pid 7353] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7352] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7353] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] userfaultfd(UFFD_USER_MODE_ONLY [pid 7345] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7354] <... userfaultfd resumed>) = 3 [pid 7345] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... futex resumed>) = 0 [pid 7354] <... futex resumed>) = 1 [pid 7352] <... futex resumed>) = 0 [pid 7345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7354] ioctl(3, UFFDIO_API, NULL [pid 7352] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7352] <... futex resumed>) = 0 [pid 7352] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7353] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7354] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7354] <... futex resumed>) = 1 [pid 7352] <... futex resumed>) = 0 [pid 7347] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7352] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] <... futex resumed>) = 0 [pid 7352] <... futex resumed>) = 0 [pid 7347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7352] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7354] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... futex resumed>) = 0 [pid 7352] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7352] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] <... futex resumed>) = 1 [pid 7354] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7346] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7345] <... mmap resumed>) = 0x7f2f310b2000 [pid 7345] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7345] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7355 attached => {parent_tid=[7355]}, 88) = 7355 [pid 7345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7345] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7345] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7355] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7355] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7355] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7345] <... futex resumed>) = 0 [pid 7355] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] <... futex resumed>) = 0 [pid 7345] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7355] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7345] <... futex resumed>) = 0 [pid 7345] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7345] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7349] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7348] <... io_uring_register resumed>) = 0 [pid 7347] <... mmap resumed>) = 0x7f2f310b2000 [pid 7347] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7349] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] <... futex resumed>) = 0 [pid 7348] <... futex resumed>) = 0 [pid 7349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7348] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] <... mprotect resumed>) = 0 [pid 7347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7352] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7356 attached [pid 7352] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7347] <... clone3 resumed> => {parent_tid=[7356]}, 88) = 7356 [pid 7356] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7352] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] rt_sigprocmask(SIG_SETMASK, [], [pid 7356] <... rseq resumed>) = 0 [pid 7356] set_robust_list(0x7f2f310d29a0, 24 [pid 7355] <... madvise resumed>) = 0 [pid 7352] <... futex resumed>) = 0 [pid 7347] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7356] <... set_robust_list resumed>) = 0 [pid 7352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7347] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7347] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7356] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7355] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... io_uring_register resumed>) = 0 [pid 7356] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7355] <... futex resumed>) = 1 [pid 7350] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] <... futex resumed>) = 0 [pid 7345] <... futex resumed>) = 0 [pid 7356] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = 0 [pid 7347] <... futex resumed>) = 0 [pid 7345] exit_group(0 [pid 7347] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7348] <... futex resumed>) = ? [pid 7345] <... exit_group resumed>) = ? [pid 7350] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7348] +++ exited with 0 +++ [pid 7350] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7346] <... mmap resumed>) = 0x7f2f310b2000 [pid 7350] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7347] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7347] <... futex resumed>) = 0 [pid 7346] <... mprotect resumed>) = 0 [pid 7347] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... io_uring_register resumed>) = 0 [pid 7346] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7351] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7357 attached [pid 7355] +++ exited with 0 +++ [pid 7351] <... futex resumed>) = 0 [pid 7345] +++ exited with 0 +++ [pid 7357] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7351] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] <... rseq resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7345, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7357] set_robust_list(0x7f2f310d29a0, 24 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7357] <... set_robust_list resumed>) = 0 [pid 7357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7357] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7350] <... madvise resumed>) = 0 [pid 7350] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] <... futex resumed>) = 0 [pid 7347] exit_group(0 [pid 7346] <... clone3 resumed> => {parent_tid=[7357]}, 88) = 7357 [pid 7356] <... futex resumed>) = ? [pid 7347] <... exit_group resumed>) = ? [pid 7346] rt_sigprocmask(SIG_SETMASK, [], [pid 7356] +++ exited with 0 +++ [pid 7346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7346] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = ? [pid 7357] <... futex resumed>) = 0 [pid 7357] ioctl(3, UFFDIO_REGISTER, NULL [pid 7346] <... futex resumed>) = 1 [pid 7357] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7346] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7357] <... futex resumed>) = 0 [pid 7346] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7351] <... futex resumed>) = 0 [pid 7346] <... futex resumed>) = 1 [pid 7351] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7346] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7351] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7350] +++ exited with 0 +++ [pid 7347] +++ exited with 0 +++ [pid 7346] <... futex resumed>) = 0 [pid 7351] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7346] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7347, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7346] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7351] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7346] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7358 attached [pid 5832] <... restart_syscall resumed>) = 0 [pid 7358] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7359 attached [pid 7358] <... prctl resumed>) = 0 [pid 7359] set_robust_list(0x555592b0f6a0, 24 [pid 7358] setpgid(0, 0 [pid 7349] <... mmap resumed>) = 0x7f2f310b2000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7359 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7358 [pid 7359] <... set_robust_list resumed>) = 0 [pid 7358] <... setpgid resumed>) = 0 [pid 7354] <... io_uring_register resumed>) = 0 [pid 7353] <... io_uring_register resumed>) = 0 [pid 7352] <... mmap resumed>) = 0x7f2f310b2000 [pid 7351] <... madvise resumed>) = 0 [pid 7349] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7349] <... mprotect resumed>) = 0 [pid 7349] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7359] <... prctl resumed>) = 0 [pid 7358] <... openat resumed>) = 3 [pid 7353] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7353] <... futex resumed>) = 0 [pid 7351] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7360 attached [pid 7359] setpgid(0, 0 [pid 7358] write(3, "1000", 4 [pid 7354] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] <... mprotect resumed>) = 0 [pid 7346] <... futex resumed>) = 0 [pid 7360] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7359] <... setpgid resumed>) = 0 [pid 7358] <... write resumed>) = 4 [pid 7351] <... futex resumed>) = 1 [pid 7360] <... rseq resumed>) = 0 [pid 7359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7358] close(3 [pid 7354] <... futex resumed>) = 0 [pid 7352] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7351] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] <... clone3 resumed> => {parent_tid=[7360]}, 88) = 7360 [pid 7346] exit_group(0 [pid 7360] set_robust_list(0x7f2f310d29a0, 24 [pid 7359] <... openat resumed>) = 3 [pid 7358] <... close resumed>) = 0 [pid 7357] <... futex resumed>) = ? [pid 7354] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7351] <... futex resumed>) = ? [pid 7349] rt_sigprocmask(SIG_SETMASK, [], [pid 7346] <... exit_group resumed>) = ? [pid 7360] <... set_robust_list resumed>) = 0 executing program [pid 7359] write(3, "1000", 4 [pid 7358] write(1, "executing program\n", 18 [pid 7357] +++ exited with 0 +++ [pid 7352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}executing program [pid 7349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7360] rt_sigprocmask(SIG_SETMASK, [], [pid 7359] <... write resumed>) = 4 [pid 7358] <... write resumed>) = 18 [pid 7360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7359] close(3 [pid 7358] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] <... close resumed>) = 0 [pid 7358] <... futex resumed>) = 0 [pid 7359] write(1, "executing program\n", 18 [pid 7358] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7359] <... write resumed>) = 18 [pid 7358] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7359] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7349] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7361 attached [pid 7359] <... futex resumed>) = 0 [pid 7358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7361] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7359] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7361] <... rseq resumed>) = 0 [pid 7360] <... futex resumed>) = 0 [pid 7359] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7358] <... mmap resumed>) = 0x7f2f310d3000 [pid 7352] <... clone3 resumed> => {parent_tid=[7361]}, 88) = 7361 [pid 7349] <... futex resumed>) = 1 [pid 7361] set_robust_list(0x7f2f310d29a0, 24 [pid 7360] ioctl(3, UFFDIO_REGISTER, NULL [pid 7359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7358] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7352] rt_sigprocmask(SIG_SETMASK, [], [pid 7351] +++ exited with 0 +++ [pid 7349] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7346] +++ exited with 0 +++ [pid 7361] <... set_robust_list resumed>) = 0 [pid 7360] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7358] <... mprotect resumed>) = 0 [pid 7352] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7361] rt_sigprocmask(SIG_SETMASK, [], [pid 7360] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7352] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7346, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7360] <... futex resumed>) = 1 [pid 7359] <... mmap resumed>) = 0x7f2f310d3000 [pid 7358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7352] <... futex resumed>) = 0 [pid 7349] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7361] ioctl(3, UFFDIO_REGISTER, NULL [pid 7360] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7352] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7362 attached [pid 7361] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7359] <... mprotect resumed>) = 0 [pid 7353] <... futex resumed>) = 0 [pid 7349] <... futex resumed>) = 1 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7362] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7358] <... clone3 resumed> => {parent_tid=[7362]}, 88) = 7362 [pid 7353] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7349] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7358] rt_sigprocmask(SIG_SETMASK, [], [pid 7361] <... futex resumed>) = 1 [pid 7359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7361] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... clone3 resumed> => {parent_tid=[7363]}, 88) = 7363 [pid 7358] <... futex resumed>) = 0 [pid 7362] <... rseq resumed>) = 0 [pid 7359] rt_sigprocmask(SIG_SETMASK, [], [pid 7358] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] set_robust_list(0x7f2f310f39a0, 24 [pid 7359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7362] <... set_robust_list resumed>) = 0 [pid 7359] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7363 attached [pid 7362] rt_sigprocmask(SIG_SETMASK, [], [pid 7353] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7363] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7352] <... futex resumed>) = 0 [pid 7359] <... futex resumed>) = 0 [pid 7359] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7362] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7362] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7358] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7362] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7358] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7362] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7358] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7352] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 7364 attached [pid 7363] set_robust_list(0x7f2f310f39a0, 24 [pid 7353] <... futex resumed>) = 1 [pid 7352] <... futex resumed>) = 1 [pid 7349] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7364 [pid 7352] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7363] <... set_robust_list resumed>) = 0 [pid 7353] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7349] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] set_robust_list(0x555592b0f6a0, 24 [pid 7354] <... futex resumed>) = 0 [pid 7354] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7354] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7364] <... set_robust_list resumed>) = 0 [pid 7364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7353] <... madvise resumed>) = 0 [pid 7363] rt_sigprocmask(SIG_SETMASK, [], [pid 7352] <... futex resumed>) = 0 [pid 7364] setpgid(0, 0) = 0 [pid 7363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7353] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] userfaultfd(UFFD_USER_MODE_ONLY [pid 7352] <... futex resumed>) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7363] <... userfaultfd resumed>) = 3 [pid 7353] <... futex resumed>) = 1 [pid 7352] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] exit_group(0 [pid 7364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7363] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] <... futex resumed>) = 0 [pid 7349] <... exit_group resumed>) = ? [pid 7364] <... openat resumed>) = 3 [pid 7363] <... futex resumed>) = 1 [pid 7360] <... futex resumed>) = ? [pid 7359] <... futex resumed>) = 0 [pid 7354] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7364] write(3, "1000", 4 [pid 7363] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] +++ exited with 0 +++ [pid 7359] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] <... madvise resumed>) = 0 [pid 7364] <... write resumed>) = 4 [pid 7363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [pid 7364] close(3 [pid 7363] ioctl(3, UFFDIO_API, NULL [pid 7359] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] <... close resumed>) = 0 [pid 7363] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7364] write(1, "executing program\n", 18 [pid 7363] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] +++ exited with 0 +++ [pid 7349] +++ exited with 0 +++ [pid 7363] <... futex resumed>) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7354] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7364] <... write resumed>) = 18 [pid 7359] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] <... futex resumed>) = 1 [pid 7352] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7349, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7364] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... futex resumed>) = 0 [pid 7359] <... futex resumed>) = 1 [pid 7354] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] exit_group(0 [pid 7364] <... futex resumed>) = 0 [pid 7363] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7361] <... futex resumed>) = ? [pid 7359] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] <... futex resumed>) = ? [pid 7352] <... exit_group resumed>) = ? [pid 7363] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7361] +++ exited with 0 +++ [pid 7354] +++ exited with 0 +++ [pid 7352] +++ exited with 0 +++ [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7364] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7363] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7352, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 7365 attached [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7363] <... futex resumed>) = 1 [pid 7364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7359] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7365 [pid 7365] set_robust_list(0x555592b0f6a0, 24 [pid 7364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7359] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7359] <... futex resumed>) = 0 [pid 7365] <... set_robust_list resumed>) = 0 [pid 7363] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7359] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] <... mmap resumed>) = 0x7f2f310d3000 [pid 7364] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7364] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7366 attached [pid 7365] <... prctl resumed>) = 0 [pid 7364] <... clone3 resumed> => {parent_tid=[7366]}, 88) = 7366 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7365] setpgid(0, 0 [pid 7364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7364] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7364] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7366] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7366] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7367 attached NULL, 8) = 0 [pid 7365] <... setpgid resumed>) = 0 [pid 7366] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7366] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7366] <... futex resumed>) = 1 [pid 7364] <... futex resumed>) = 0 [pid 7358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7367] set_robust_list(0x555592b0f6a0, 24 [pid 7364] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... set_robust_list resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7358] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7367 [pid 7367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7364] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7358] <... futex resumed>) = 0 [pid 7367] <... prctl resumed>) = 0 [pid 7366] ioctl(3, UFFDIO_API, NULL [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7367] setpgid(0, 0 [pid 7366] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7365] <... openat resumed>) = 3 [pid 7367] <... setpgid resumed>) = 0 [pid 7366] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7364] <... futex resumed>) = 0 [pid 7366] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7364] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... openat resumed>) = 3 [pid 7366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7365] write(3, "1000", 4 [pid 7364] <... futex resumed>) = 0 [pid 7367] write(3, "1000", 4 [pid 7365] <... write resumed>) = 4 [pid 7364] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7367] <... write resumed>) = 4 [pid 7366] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7365] close(3 [pid 7367] close(3 [pid 7366] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7367] <... close resumed>) = 0 [pid 7365] <... close resumed>) = 0 [pid 7367] write(1, "executing program\n", 18executing program executing program [pid 7365] write(1, "executing program\n", 18 [pid 7367] <... write resumed>) = 18 [pid 7365] <... write resumed>) = 18 [pid 7367] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7365] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7364] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] <... futex resumed>) = 1 [pid 7366] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7367] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7365] <... futex resumed>) = 0 [pid 7367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7365] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7365] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7358] <... mmap resumed>) = 0x7f2f310b2000 [pid 7358] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7358] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7368 attached [pid 7367] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7362] <... io_uring_register resumed>) = 0 [pid 7358] <... clone3 resumed> => {parent_tid=[7368]}, 88) = 7368 [pid 7368] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7362] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] rt_sigprocmask(SIG_SETMASK, [], [pid 7368] <... rseq resumed>) = 0 [pid 7367] <... mprotect resumed>) = 0 [pid 7365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7362] <... futex resumed>) = 0 [pid 7359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7368] set_robust_list(0x7f2f310d29a0, 24 [pid 7367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7362] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... set_robust_list resumed>) = 0 [pid 7359] <... futex resumed>) = 0 [pid 7365] <... mmap resumed>) = 0x7f2f310d3000 [pid 7368] rt_sigprocmask(SIG_SETMASK, [], [pid 7367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7365] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7358] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... mprotect resumed>) = 0 [pid 7367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7358] <... futex resumed>) = 0 [pid 7358] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7365] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7368] ioctl(3, UFFDIO_REGISTER, NULL [pid 7364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7368] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7369 attached [pid 7367] <... clone3 resumed> => {parent_tid=[7369]}, 88) = 7369 [pid 7369] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7369] <... rseq resumed>) = 0 [pid 7367] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7369] set_robust_list(0x7f2f310f39a0, 24 [pid 7367] <... futex resumed>) = 0 [pid 7369] <... set_robust_list resumed>) = 0 [pid 7367] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7368] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7364] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] userfaultfd(UFFD_USER_MODE_ONLY./strace-static-x86_64: Process 7370 attached ) = 3 [pid 7368] <... futex resumed>) = 1 [pid 7365] <... clone3 resumed> => {parent_tid=[7370]}, 88) = 7370 [pid 7364] <... futex resumed>) = 0 [pid 7358] <... futex resumed>) = 0 [pid 7369] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] rt_sigprocmask(SIG_SETMASK, [], [pid 7369] <... futex resumed>) = 1 [pid 7370] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7367] <... futex resumed>) = 0 [pid 7365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7370] <... rseq resumed>) = 0 [pid 7369] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] <... futex resumed>) = 0 [pid 7365] <... futex resumed>) = 0 [pid 7370] set_robust_list(0x7f2f310f39a0, 24 [pid 7369] ioctl(3, UFFDIO_API, NULL [pid 7367] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] <... set_robust_list resumed>) = 0 [pid 7369] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7365] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] rt_sigprocmask(SIG_SETMASK, [], [pid 7369] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7369] <... futex resumed>) = 1 [pid 7367] <... futex resumed>) = 0 [pid 7370] userfaultfd(UFFD_USER_MODE_ONLY [pid 7369] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... userfaultfd resumed>) = 3 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] <... futex resumed>) = 0 [pid 7366] <... io_uring_register resumed>) = 0 [pid 7364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7363] <... io_uring_register resumed>) = 0 [pid 7370] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... mmap resumed>) = 0x7f2f310b2000 [pid 7358] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... futex resumed>) = 1 [pid 7369] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7367] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7365] <... futex resumed>) = 0 [pid 7364] <... mmap resumed>) = 0x7f2f310b2000 [pid 7363] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7359] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7358] <... futex resumed>) = 1 [pid 7370] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7365] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7363] <... futex resumed>) = 0 [pid 7362] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7359] <... mprotect resumed>) = 0 [pid 7358] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7369] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7365] <... futex resumed>) = 0 [pid 7364] <... mprotect resumed>) = 0 [pid 7363] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7362] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7359] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7370] ioctl(3, UFFDIO_API, NULL [pid 7369] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7362] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7370] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7369] <... futex resumed>) = 1 [pid 7367] <... futex resumed>) = 0 [pid 7364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7362] <... futex resumed>) = 1 [pid 7359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7358] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7371 attached [pid 7370] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7362] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7372 attached [pid 7371] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7370] <... futex resumed>) = 1 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] <... futex resumed>) = 0 [pid 7366] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... futex resumed>) = 0 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... clone3 resumed> => {parent_tid=[7371]}, 88) = 7371 [pid 7358] <... futex resumed>) = 0 [pid 7372] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7371] <... rseq resumed>) = 0 [pid 7370] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7367] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] <... futex resumed>) = 0 [pid 7365] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] <... clone3 resumed> => {parent_tid=[7372]}, 88) = 7372 [pid 7362] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7359] rt_sigprocmask(SIG_SETMASK, [], [pid 7358] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] <... rseq resumed>) = 0 [pid 7371] set_robust_list(0x7f2f310d29a0, 24 [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7366] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7365] <... futex resumed>) = 0 [pid 7364] rt_sigprocmask(SIG_SETMASK, [], [pid 7362] <... madvise resumed>) = 0 [pid 7359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7371] <... set_robust_list resumed>) = 0 [pid 7365] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7359] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] set_robust_list(0x7f2f310d29a0, 24 [pid 7371] rt_sigprocmask(SIG_SETMASK, [], [pid 7370] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7364] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = 0 [pid 7372] <... set_robust_list resumed>) = 0 [pid 7371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7359] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] rt_sigprocmask(SIG_SETMASK, [], [pid 7371] ioctl(3, UFFDIO_REGISTER, NULL [pid 7370] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7364] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7371] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7370] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7372] ioctl(3, UFFDIO_REGISTER, NULL [pid 7371] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... futex resumed>) = 1 [pid 7365] <... futex resumed>) = 0 [pid 7362] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] exit_group(0 [pid 7372] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7371] <... futex resumed>) = 1 [pid 7370] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] <... futex resumed>) = ? [pid 7365] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = ? [pid 7359] <... futex resumed>) = 0 [pid 7358] <... exit_group resumed>) = ? [pid 7372] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] +++ exited with 0 +++ [pid 7365] <... futex resumed>) = 0 [pid 7362] +++ exited with 0 +++ [pid 7359] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] +++ exited with 0 +++ [pid 7370] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7365] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... futex resumed>) = 0 [pid 7359] <... futex resumed>) = 1 [pid 7363] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7359] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7363] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7363] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [pid 7363] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7359] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] <... futex resumed>) = 1 [pid 7364] <... futex resumed>) = 0 [pid 7364] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7364] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7358, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7366] <... futex resumed>) = 0 [pid 7366] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7366] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7366] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] <... futex resumed>) = 0 [pid 7364] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7364] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] <... futex resumed>) = 1 [pid 7366] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED) = 0 ./strace-static-x86_64: Process 7373 attached [pid 7373] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7363] <... madvise resumed>) = 0 [pid 7373] setpgid(0, 0 [pid 7366] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7373 [pid 7373] <... setpgid resumed>) = 0 [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7373] write(3, "1000", 4) = 4 [pid 7373] close(3 [pid 7366] <... futex resumed>) = 1 [pid 7364] <... futex resumed>) = 0 [pid 7373] <... close resumed>) = 0 [pid 7364] exit_group(0 [pid 7363] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7373] write(1, "executing program\n", 18 [pid 7372] <... futex resumed>) = ? [pid 7364] <... exit_group resumed>) = ? [pid 7373] <... write resumed>) = 18 [pid 7372] +++ exited with 0 +++ [pid 7366] +++ exited with 0 +++ [pid 7364] +++ exited with 0 +++ [pid 7363] <... futex resumed>) = 1 [pid 7359] <... futex resumed>) = 0 [pid 7373] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7363] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] exit_group(0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7364, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7367] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... exit_group resumed>) = ? [pid 7371] <... futex resumed>) = ? [pid 7367] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7371] +++ exited with 0 +++ [pid 7367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7373] <... futex resumed>) = 0 [pid 7363] <... futex resumed>) = ? [pid 7373] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7363] +++ exited with 0 +++ [pid 7359] +++ exited with 0 +++ [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7359, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7373] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7374 attached ) = 0 [pid 7373] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7375 attached [pid 7375] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7374] set_robust_list(0x555592b0f6a0, 24 [pid 7373] <... clone3 resumed> => {parent_tid=[7375]}, 88) = 7375 [pid 7370] <... io_uring_register resumed>) = 0 [pid 7365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7374 [pid 7375] <... rseq resumed>) = 0 [pid 7374] <... set_robust_list resumed>) = 0 [pid 7365] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] set_robust_list(0x7f2f310f39a0, 24 [pid 7365] <... futex resumed>) = 0 [pid 7375] <... set_robust_list resumed>) = 0 [pid 7365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7375] rt_sigprocmask(SIG_SETMASK, [], [pid 7365] <... mmap resumed>) = 0x7f2f310b2000 [pid 7375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7375] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7365] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7373] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... mprotect resumed>) = 0 [pid 7375] <... futex resumed>) = 0 [pid 7374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7373] <... futex resumed>) = 1 [pid 7370] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] userfaultfd(UFFD_USER_MODE_ONLY [pid 7374] <... prctl resumed>) = 0 [pid 7373] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7365] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7375] <... userfaultfd resumed>) = 3 [pid 7374] setpgid(0, 0 [pid 7370] <... futex resumed>) = 0 [pid 7365] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7375] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... setpgid resumed>) = 0 [pid 7370] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7375] <... futex resumed>) = 1 [pid 7374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7373] <... futex resumed>) = 0 [pid 7373] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] ioctl(3, UFFDIO_API, NULL [pid 7374] <... openat resumed>) = 3 [pid 7373] <... futex resumed>) = 0 [pid 7373] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7376 attached [pid 7375] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7374] write(3, "1000", 4 [pid 7376] set_robust_list(0x555592b0f6a0, 24 [pid 7375] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7376 [pid 7376] <... set_robust_list resumed>) = 0 [pid 7375] <... futex resumed>) = 1 [pid 7374] <... write resumed>) = 4 [pid 7373] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7377 attached [pid 7376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7375] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] close(3 [pid 7373] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7376] <... prctl resumed>) = 0 [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7369] <... io_uring_register resumed>) = 0 [pid 7367] <... mmap resumed>) = 0x7f2f310b2000 [pid 7377] <... rseq resumed>) = 0 [pid 7376] setpgid(0, 0 [pid 7375] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7373] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7367] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7377] set_robust_list(0x7f2f310d29a0, 24 [pid 7376] <... setpgid resumed>) = 0 [pid 7375] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7374] <... close resumed>) = 0 [pid 7369] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... clone3 resumed> => {parent_tid=[7377]}, 88) = 7377 executing program [pid 7374] write(1, "executing program\n", 18 [pid 7367] <... mprotect resumed>) = 0 [pid 7374] <... write resumed>) = 18 [pid 7367] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7365] rt_sigprocmask(SIG_SETMASK, [], [pid 7374] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7375] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = 0 [pid 7367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7374] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7373] <... futex resumed>) = 0 [pid 7373] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7378 attached [pid 7374] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7375] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7367] <... clone3 resumed> => {parent_tid=[7378]}, 88) = 7378 [pid 7365] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7377] <... set_robust_list resumed>) = 0 [pid 7376] <... openat resumed>) = 3 [pid 7375] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7373] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7367] rt_sigprocmask(SIG_SETMASK, [], [pid 7365] <... futex resumed>) = 0 [pid 7378] <... rseq resumed>) = 0 [pid 7377] rt_sigprocmask(SIG_SETMASK, [], [pid 7376] write(3, "1000", 4 [pid 7374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7369] <... futex resumed>) = 0 [pid 7367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7378] set_robust_list(0x7f2f310d29a0, 24 [pid 7377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7376] <... write resumed>) = 4 [pid 7374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7369] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7378] <... set_robust_list resumed>) = 0 [pid 7377] ioctl(3, UFFDIO_REGISTER, NULL [pid 7376] close(3 [pid 7374] <... mmap resumed>) = 0x7f2f310d3000 [pid 7367] <... futex resumed>) = 0 [pid 7378] rt_sigprocmask(SIG_SETMASK, [], [pid 7377] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7376] <... close resumed>) = 0 [pid 7374] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7367] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] write(1, "executing program\n", 18 [pid 7378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7377] <... futex resumed>) = 1 executing program [pid 7376] <... write resumed>) = 18 [pid 7374] <... mprotect resumed>) = 0 [pid 7365] <... futex resumed>) = 0 [pid 7378] ioctl(3, UFFDIO_REGISTER, NULL [pid 7377] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7365] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7376] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7370] <... futex resumed>) = 0 [pid 7365] <... futex resumed>) = 1 [pid 7378] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7370] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7365] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7378] <... futex resumed>) = 1 [pid 7376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7374] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7370] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7367] <... futex resumed>) = 0 [pid 7376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7370] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... mmap resumed>) = 0x7f2f310d3000 [pid 7370] <... futex resumed>) = 1 [pid 7365] <... futex resumed>) = 0 [pid 7378] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7369] <... futex resumed>) = 0 [pid 7367] <... futex resumed>) = 1 [pid 7376] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7369] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7367] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7365] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... mprotect resumed>) = 0 [pid 7369] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7369] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7369] <... futex resumed>) = 1 [pid 7365] <... futex resumed>) = 0 [pid 7376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7369] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7379 attached [pid 7379] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7376] <... clone3 resumed> => {parent_tid=[7379]}, 88) = 7379 [pid 7379] <... rseq resumed>) = 0 [pid 7376] rt_sigprocmask(SIG_SETMASK, [], [pid 7379] set_robust_list(0x7f2f310f39a0, 24 [pid 7376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7379] <... set_robust_list resumed>) = 0 [pid 7379] rt_sigprocmask(SIG_SETMASK, [], [pid 7376] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7376] <... futex resumed>) = 0 [pid 7379] userfaultfd(UFFD_USER_MODE_ONLY [pid 7376] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] <... userfaultfd resumed>) = 3 [pid 7379] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7380 attached [pid 7370] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7367] <... futex resumed>) = 0 [pid 7365] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... clone3 resumed> => {parent_tid=[7380]}, 88) = 7380 [pid 7367] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7379] <... futex resumed>) = 1 [pid 7374] rt_sigprocmask(SIG_SETMASK, [], [pid 7369] <... futex resumed>) = 0 [pid 7367] <... futex resumed>) = 1 [pid 7380] <... rseq resumed>) = 0 [pid 7379] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] <... futex resumed>) = 0 [pid 7374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7370] <... madvise resumed>) = 0 [pid 7369] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7380] set_robust_list(0x7f2f310f39a0, 24 [pid 7376] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7380] <... set_robust_list resumed>) = 0 [pid 7379] <... futex resumed>) = 0 [pid 7376] <... futex resumed>) = 1 [pid 7374] <... futex resumed>) = 0 [pid 7380] rt_sigprocmask(SIG_SETMASK, [], [pid 7379] ioctl(3, UFFDIO_API, NULL [pid 7380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7379] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7376] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7369] <... madvise resumed>) = 0 [pid 7380] userfaultfd(UFFD_USER_MODE_ONLY [pid 7379] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... userfaultfd resumed>) = 3 [pid 7379] <... futex resumed>) = 1 [pid 7376] <... futex resumed>) = 0 [pid 7380] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7376] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... futex resumed>) = 1 [pid 7379] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7376] <... futex resumed>) = 0 [pid 7374] <... futex resumed>) = 0 [pid 7380] ioctl(3, UFFDIO_API, NULL [pid 7379] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7379] <... futex resumed>) = 0 [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7374] <... futex resumed>) = 0 [pid 7380] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7376] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... futex resumed>) = 0 [pid 7376] <... futex resumed>) = 0 [pid 7374] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7370] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7365] <... futex resumed>) = 0 [pid 7380] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] exit_group(0 [pid 7377] <... futex resumed>) = ? [pid 7374] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = ? [pid 7369] <... futex resumed>) = 1 [pid 7367] <... futex resumed>) = 0 [pid 7365] <... exit_group resumed>) = ? [pid 7380] <... futex resumed>) = 0 [pid 7377] +++ exited with 0 +++ [pid 7374] <... futex resumed>) = 1 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7367] exit_group(0 [pid 7380] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7367] <... exit_group resumed>) = ? [pid 7380] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = ? [pid 7374] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] +++ exited with 0 +++ [pid 7380] <... futex resumed>) = 0 [pid 7378] +++ exited with 0 +++ [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7365] +++ exited with 0 +++ [pid 7380] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7365, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7380] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7374] <... futex resumed>) = 0 [pid 7374] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7369] +++ exited with 0 +++ [pid 7367] +++ exited with 0 +++ [pid 5835] <... restart_syscall resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7367, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7375] <... io_uring_register resumed>) = 0 [pid 7373] <... mmap resumed>) = 0x7f2f310b2000 [pid 7375] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7375] <... futex resumed>) = 0 [pid 7373] <... mprotect resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7381 attached [pid 7375] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7381 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7381] set_robust_list(0x555592b0f6a0, 24 [pid 7373] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7381] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7382 attached ./strace-static-x86_64: Process 7383 attached [pid 7382] set_robust_list(0x555592b0f6a0, 24 [pid 7381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7376] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7382 [pid 7383] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7382] <... set_robust_list resumed>) = 0 [pid 7381] <... prctl resumed>) = 0 [pid 7379] <... io_uring_register resumed>) = 0 [pid 7376] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] <... clone3 resumed> => {parent_tid=[7383]}, 88) = 7383 [pid 7383] <... rseq resumed>) = 0 [pid 7382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7376] <... futex resumed>) = 0 [pid 7383] set_robust_list(0x7f2f310d29a0, 24 [pid 7382] <... prctl resumed>) = 0 [pid 7381] setpgid(0, 0 [pid 7379] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7373] rt_sigprocmask(SIG_SETMASK, [], [pid 7383] <... set_robust_list resumed>) = 0 [pid 7382] setpgid(0, 0 [pid 7381] <... setpgid resumed>) = 0 [pid 7379] <... futex resumed>) = 0 [pid 7376] <... mmap resumed>) = 0x7f2f310b2000 [pid 7373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7383] rt_sigprocmask(SIG_SETMASK, [], [pid 7382] <... setpgid resumed>) = 0 [pid 7381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7379] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7373] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7376] <... mprotect resumed>) = 0 [pid 7383] ioctl(3, UFFDIO_REGISTER, NULL [pid 7382] <... openat resumed>) = 3 [pid 7381] <... openat resumed>) = 3 [pid 7376] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7374] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7373] <... futex resumed>) = 0 [pid 7383] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7382] write(3, "1000", 4 [pid 7381] write(3, "1000", 4 [pid 7376] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7374] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7383] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] <... write resumed>) = 4 [pid 7376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7374] <... futex resumed>) = 0 [pid 7373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7384 attached [pid 7382] close(3 [pid 7381] <... write resumed>) = 4 [pid 7373] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7383] <... futex resumed>) = 0 [pid 7382] <... close resumed>) = 0 [pid 7381] close(3 [pid 7376] <... clone3 resumed> => {parent_tid=[7384]}, 88) = 7384 [pid 7374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7384] <... rseq resumed>) = 0 [pid 7383] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7382] write(1, "executing program\n", 18 [pid 7381] <... close resumed>) = 0 [pid 7376] rt_sigprocmask(SIG_SETMASK, [], [pid 7375] <... futex resumed>) = 0 [pid 7373] <... futex resumed>) = 1 [pid 7384] set_robust_list(0x7f2f310d29a0, 24 executing program [pid 7382] <... write resumed>) = 18 [pid 7381] write(1, "executing program\n", 18 [pid 7376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7373] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... set_robust_list resumed>) = 0 [pid 7382] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... write resumed>) = 18 [pid 7376] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7384] rt_sigprocmask(SIG_SETMASK, [], [pid 7382] <... futex resumed>) = 0 [pid 7381] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = 0 [pid 7375] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7382] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7381] <... futex resumed>) = 0 [pid 7376] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7375] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] ioctl(3, UFFDIO_REGISTER, NULL [pid 7382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7380] <... io_uring_register resumed>) = 0 [pid 7374] <... mmap resumed>) = 0x7f2f310b2000 [pid 7384] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7381] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7375] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7384] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7384] <... futex resumed>) = 1 [pid 7382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7376] <... futex resumed>) = 0 [pid 7384] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] <... mmap resumed>) = 0x7f2f310d3000 [pid 7376] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7379] <... futex resumed>) = 0 [pid 7376] <... futex resumed>) = 1 [pid 7382] <... mprotect resumed>) = 0 [pid 7379] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7376] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7379] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7379] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7379] <... futex resumed>) = 1 [pid 7376] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7385 attached [pid 7379] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7382] <... clone3 resumed> => {parent_tid=[7385]}, 88) = 7385 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7376] <... futex resumed>) = 0 [pid 7385] <... rseq resumed>) = 0 [pid 7382] rt_sigprocmask(SIG_SETMASK, [], [pid 7379] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7376] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] set_robust_list(0x7f2f310f39a0, 24 [pid 7382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7381] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7380] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... madvise resumed>) = 0 [pid 7375] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7374] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7373] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... set_robust_list resumed>) = 0 [pid 7382] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7380] <... futex resumed>) = 0 [pid 7374] <... mprotect resumed>) = 0 [pid 7373] <... futex resumed>) = 0 [pid 7382] <... futex resumed>) = 0 [pid 7381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7380] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7373] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7374] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7385] rt_sigprocmask(SIG_SETMASK, [], [pid 7381] <... mmap resumed>) = 0x7f2f310d3000 [pid 7374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7385] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7386 attached [pid 7385] userfaultfd(UFFD_USER_MODE_ONLY [pid 7381] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7386] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7385] <... userfaultfd resumed>) = 3 [pid 7375] <... madvise resumed>) = 0 [pid 7386] <... rseq resumed>) = 0 [pid 7385] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... mprotect resumed>) = 0 [pid 7374] <... clone3 resumed> => {parent_tid=[7386]}, 88) = 7386 [pid 7386] set_robust_list(0x7f2f310d29a0, 24 [pid 7385] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 0 [pid 7381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7375] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] rt_sigprocmask(SIG_SETMASK, [], [pid 7386] <... set_robust_list resumed>) = 0 [pid 7385] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7375] <... futex resumed>) = 1 [pid 7374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7373] <... futex resumed>) = 0 [pid 7386] rt_sigprocmask(SIG_SETMASK, [], [pid 7385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = 0 [pid 7381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7379] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7385] ioctl(3, UFFDIO_API, NULL [pid 7382] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] exit_group(0./strace-static-x86_64: Process 7387 attached [pid 7386] ioctl(3, UFFDIO_REGISTER, NULL [pid 7385] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7383] <... futex resumed>) = ? [pid 7379] <... futex resumed>) = 1 [pid 7376] <... futex resumed>) = 0 [pid 7375] <... futex resumed>) = ? [pid 7374] <... futex resumed>) = 0 [pid 7373] <... exit_group resumed>) = ? [pid 7387] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7386] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7385] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] +++ exited with 0 +++ [pid 7381] <... clone3 resumed> => {parent_tid=[7387]}, 88) = 7387 [pid 7379] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] exit_group(0 [pid 7387] <... rseq resumed>) = 0 [pid 7386] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... futex resumed>) = 1 [pid 7384] <... futex resumed>) = ? [pid 7382] <... futex resumed>) = 0 [pid 7381] rt_sigprocmask(SIG_SETMASK, [], [pid 7379] <... futex resumed>) = ? [pid 7376] <... exit_group resumed>) = ? [pid 7374] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7387] set_robust_list(0x7f2f310f39a0, 24 [pid 7386] <... futex resumed>) = 0 [pid 7385] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7384] +++ exited with 0 +++ [pid 7382] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7379] +++ exited with 0 +++ [pid 7376] +++ exited with 0 +++ [pid 7375] +++ exited with 0 +++ [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] +++ exited with 0 +++ [pid 7387] <... set_robust_list resumed>) = 0 [pid 7386] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7382] <... futex resumed>) = 0 [pid 7381] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7376, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 7387] rt_sigprocmask(SIG_SETMASK, [], [pid 7382] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7381] <... futex resumed>) = 0 [pid 7380] <... futex resumed>) = 0 [pid 7374] <... futex resumed>) = 1 [pid 7387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7385] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7380] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7374] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7373, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7387] userfaultfd(UFFD_USER_MODE_ONLY [pid 7385] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 0 [pid 7380] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7388 attached [pid 7387] <... userfaultfd resumed>) = 3 [pid 7385] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7382] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7389 attached [pid 7388] set_robust_list(0x555592b0f6a0, 24 [pid 7387] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] <... futex resumed>) = 0 [pid 7380] <... futex resumed>) = 1 [pid 7374] <... futex resumed>) = 0 [pid 7389] set_robust_list(0x555592b0f6a0, 24 [pid 7388] <... set_robust_list resumed>) = 0 [pid 7387] <... futex resumed>) = 1 [pid 7381] <... futex resumed>) = 0 [pid 7380] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7389 [pid 7389] <... set_robust_list resumed>) = 0 [pid 7374] <... futex resumed>) = 0 [pid 7387] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7374] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7381] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] ioctl(3, UFFDIO_API, NULL [pid 7381] <... futex resumed>) = 0 [pid 7380] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7387] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7381] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7388 [pid 7380] <... madvise resumed>) = 0 [pid 7389] <... prctl resumed>) = 0 [pid 7388] <... prctl resumed>) = 0 [pid 7387] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] setpgid(0, 0 [pid 7388] setpgid(0, 0 [pid 7387] <... futex resumed>) = 1 [pid 7385] <... io_uring_register resumed>) = 0 [pid 7381] <... futex resumed>) = 0 [pid 7380] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7381] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7385] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 0 [pid 7387] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7382] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... setpgid resumed>) = 0 [pid 7382] <... futex resumed>) = 0 [pid 7388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7385] ioctl(3, UFFDIO_REGISTER, NULL [pid 7382] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7389] <... setpgid resumed>) = 0 [pid 7385] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... futex resumed>) = 1 [pid 7389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7388] <... openat resumed>) = 3 [pid 7387] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] <... futex resumed>) = 1 [pid 7381] <... futex resumed>) = 0 [pid 7374] <... futex resumed>) = 0 [pid 7389] <... openat resumed>) = 3 [pid 7388] write(3, "1000", 4 [pid 7387] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7381] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] exit_group(0 [pid 7381] <... futex resumed>) = 0 [pid 7380] <... futex resumed>) = ? [pid 7374] <... exit_group resumed>) = ? [pid 7381] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7380] +++ exited with 0 +++ [pid 7385] <... futex resumed>) = 1 [pid 7388] <... write resumed>) = 4 [pid 7385] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] <... futex resumed>) = 0 [pid 7388] close(3 [pid 7389] write(3, "1000", 4 [pid 7388] <... close resumed>) = 0 [pid 7389] <... write resumed>) = 4 [pid 7388] write(1, "executing program\n", 18executing program [pid 7386] <... futex resumed>) = ? [pid 7389] close(3 [pid 7388] <... write resumed>) = 18 [pid 7385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... close resumed>) = 0 [pid 7388] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] <... futex resumed>) = 0 executing program [pid 7385] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7389] write(1, "executing program\n", 18 [pid 7382] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7389] <... write resumed>) = 18 [pid 7385] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7389] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = 0 [pid 7386] +++ exited with 0 +++ [pid 7385] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] +++ exited with 0 +++ [pid 7385] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 0 [pid 7385] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = 0 [pid 7385] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7382] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7389] <... futex resumed>) = 0 [pid 7388] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7389] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7374, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7389] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7388] <... mmap resumed>) = 0x7f2f310d3000 [pid 7389] <... mmap resumed>) = 0x7f2f310d3000 [pid 7388] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7389] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7388] <... mprotect resumed>) = 0 [pid 7389] <... mprotect resumed>) = 0 [pid 7388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7390 attached [pid 7389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7385] <... madvise resumed>) = 0 [pid 7388] <... clone3 resumed> => {parent_tid=[7390]}, 88) = 7390 [pid 7389] <... clone3 resumed> => {parent_tid=[7391]}, 88) = 7391 [pid 7388] rt_sigprocmask(SIG_SETMASK, [], [pid 7389] rt_sigprocmask(SIG_SETMASK, [], [pid 7388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7388] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7388] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7389] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... rseq resumed>) = 0 [pid 7390] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 7391 attached [pid 7390] userfaultfd(UFFD_USER_MODE_ONLY [pid 7391] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7385] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... rseq resumed>) = 0 [pid 7391] set_robust_list(0x7f2f310f39a0, 24 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7391] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7392 attached [pid 7390] <... userfaultfd resumed>) = 3 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7392 [pid 7390] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7390] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] <... futex resumed>) = 0 [pid 7392] set_robust_list(0x555592b0f6a0, 24 [pid 7390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7388] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... set_robust_list resumed>) = 0 [pid 7390] ioctl(3, UFFDIO_API, NULL [pid 7388] <... futex resumed>) = 0 [pid 7392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7390] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7388] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7392] <... prctl resumed>) = 0 [pid 7390] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7388] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] setpgid(0, 0 [pid 7390] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7388] <... futex resumed>) = 0 [pid 7392] <... setpgid resumed>) = 0 [pid 7388] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7390] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] write(3, "1000", 4 [pid 7390] <... futex resumed>) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7388] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7388] <... futex resumed>) = 0 [pid 7392] <... write resumed>) = 4 [pid 7391] rt_sigprocmask(SIG_SETMASK, [], [pid 7388] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 0 [pid 7391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7385] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] exit_group(0 [pid 7391] userfaultfd(UFFD_USER_MODE_ONLY [pid 7385] <... futex resumed>) = ? [pid 7382] <... exit_group resumed>) = ? [pid 7392] close(3 [pid 7391] <... userfaultfd resumed>) = 3 [pid 7385] +++ exited with 0 +++ [pid 7382] +++ exited with 0 +++ [pid 7391] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... close resumed>) = 0 [pid 7391] <... futex resumed>) = 1 [pid 7389] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7382, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7391] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] write(1, "executing program\n", 18 [pid 7391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7391] ioctl(3, UFFDIO_API, NULL [pid 7389] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... write resumed>) = 18 [pid 7391] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7381] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7392] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... futex resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7392] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7393 attached [pid 7392] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7391] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7389] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] set_robust_list(0x555592b0f6a0, 24 [pid 7389] <... futex resumed>) = 0 [pid 7392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7389] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] <... set_robust_list resumed>) = 0 [pid 7392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7391] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7393 [pid 7381] <... mmap resumed>) = 0x7f2f310b2000 [pid 7392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7381] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7391] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... mprotect resumed>) = 0 [pid 7393] <... prctl resumed>) = 0 [pid 7392] <... mmap resumed>) = 0x7f2f310d3000 [pid 7391] <... futex resumed>) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7387] <... io_uring_register resumed>) = 0 [pid 7381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7389] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7392] <... mprotect resumed>) = 0 [pid 7381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7394 attached [pid 7392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7389] <... futex resumed>) = 0 [pid 7392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7381] <... clone3 resumed> => {parent_tid=[7394]}, 88) = 7394 [pid 7392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7381] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7395 attached [pid 7394] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7393] setpgid(0, 0 [pid 7391] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7389] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7394] <... rseq resumed>) = 0 [pid 7392] <... clone3 resumed> => {parent_tid=[7395]}, 88) = 7395 [pid 7381] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] set_robust_list(0x7f2f310d29a0, 24 [pid 7392] rt_sigprocmask(SIG_SETMASK, [], [pid 7381] <... futex resumed>) = 0 [pid 7394] <... set_robust_list resumed>) = 0 [pid 7392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7381] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] rt_sigprocmask(SIG_SETMASK, [], [pid 7392] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7394] ioctl(3, UFFDIO_REGISTER, NULL [pid 7392] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7394] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7381] <... futex resumed>) = 0 [pid 7394] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7381] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7395] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7394] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = 0 [pid 7381] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] <... setpgid resumed>) = 0 [pid 7381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7381] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = 1 [pid 7394] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7381] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] <... rseq resumed>) = 0 [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7387] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] set_robust_list(0x7f2f310f39a0, 24 [pid 7387] <... futex resumed>) = 0 [pid 7395] <... set_robust_list resumed>) = 0 [pid 7393] <... openat resumed>) = 3 [pid 7387] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7394] <... madvise resumed>) = 0 [pid 7395] userfaultfd(UFFD_USER_MODE_ONLY [pid 7394] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7394] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7381] <... futex resumed>) = 0 [pid 7395] <... userfaultfd resumed>) = 3 [pid 7395] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] exit_group(0 [pid 7394] <... futex resumed>) = ? [pid 7387] <... futex resumed>) = ? [pid 7381] <... exit_group resumed>) = ? [pid 7395] <... futex resumed>) = 1 [pid 7394] +++ exited with 0 +++ [pid 7392] <... futex resumed>) = 0 [pid 7395] ioctl(3, UFFDIO_API, NULL [pid 7393] write(3, "1000", 4 [pid 7392] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] +++ exited with 0 +++ [pid 7395] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7393] <... write resumed>) = 4 [pid 7392] <... futex resumed>) = 0 [pid 7388] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7395] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] close(3 [pid 7392] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7388] <... futex resumed>) = 0 [pid 7395] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] <... close resumed>) = 0 [pid 7392] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 7393] write(1, "executing program\n", 18 [pid 7392] <... futex resumed>) = 0 [pid 7381] +++ exited with 0 +++ [pid 7393] <... write resumed>) = 18 [pid 7392] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7393] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7381, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7393] <... futex resumed>) = 0 [pid 7393] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7396 attached [pid 7393] <... mmap resumed>) = 0x7f2f310d3000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7396 [pid 7396] set_robust_list(0x555592b0f6a0, 24 [pid 7395] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7396] <... set_robust_list resumed>) = 0 [pid 7395] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7395] <... futex resumed>) = 1 [pid 7393] <... mprotect resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7396] setpgid(0, 0 [pid 7395] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 7392] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7389] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7389] <... futex resumed>) = 0 [pid 7393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7392] <... futex resumed>) = 0 [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7396] <... setpgid resumed>) = 0 [pid 7392] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7396] write(3, "1000", 4) = 4 [pid 7396] close(3) = 0 [pid 7396] write(1, "executing program\n", 18) = 18 [pid 7396] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7396] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7396] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[7398]}, 88) = 7398 ./strace-static-x86_64: Process 7398 attached [pid 7396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7396] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7396] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7398] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7398] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7398] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7396] <... futex resumed>) = 0 [pid 7398] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7396] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7397 attached [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... clone3 resumed> => {parent_tid=[7397]}, 88) = 7397 [pid 7388] <... mmap resumed>) = 0x7f2f310b2000 [pid 7397] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7397] <... rseq resumed>) = 0 [pid 7393] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7397] set_robust_list(0x7f2f310f39a0, 24 [pid 7390] <... io_uring_register resumed>) = 0 [pid 7398] ioctl(3, UFFDIO_API, NULL [pid 7397] <... set_robust_list resumed>) = 0 [pid 7396] <... futex resumed>) = 0 [pid 7393] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7398] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7396] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... futex resumed>) = 0 [pid 7388] <... mprotect resumed>) = 0 [pid 7397] rt_sigprocmask(SIG_SETMASK, [], [pid 7398] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7390] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7398] <... futex resumed>) = 0 [pid 7396] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7398] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7396] <... futex resumed>) = 0 [pid 7388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7399 attached [pid 7398] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7397] userfaultfd(UFFD_USER_MODE_ONLY [pid 7396] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7399] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7398] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7388] <... clone3 resumed> => {parent_tid=[7399]}, 88) = 7399 [pid 7399] <... rseq resumed>) = 0 [pid 7398] <... futex resumed>) = 0 [pid 7396] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] rt_sigprocmask(SIG_SETMASK, [], [pid 7399] set_robust_list(0x7f2f310d29a0, 24 [pid 7398] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7396] <... futex resumed>) = 0 [pid 7388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7399] <... set_robust_list resumed>) = 0 [pid 7397] <... userfaultfd resumed>) = 3 [pid 7396] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... io_uring_register resumed>) = 0 [pid 7389] <... mmap resumed>) = 0x7f2f310b2000 [pid 7388] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7388] <... futex resumed>) = 0 [pid 7399] rt_sigprocmask(SIG_SETMASK, [], [pid 7397] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7389] <... mprotect resumed>) = 0 [pid 7388] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7397] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7399] ioctl(3, UFFDIO_REGISTER, NULL [pid 7397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7399] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7397] ioctl(3, UFFDIO_API, NULL [pid 7393] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7389] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7399] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7399] <... futex resumed>) = 1 [pid 7397] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7388] <... futex resumed>) = 0 [pid 7399] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7392] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = 0 [pid 7390] <... futex resumed>) = 0 [pid 7388] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7400 attached [pid 7397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7390] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7388] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7393] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7390] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7400] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7397] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7390] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] <... clone3 resumed> => {parent_tid=[7400]}, 88) = 7400 [pid 7400] <... rseq resumed>) = 0 [pid 7390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7388] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7388] <... futex resumed>) = 0 [pid 7400] set_robust_list(0x7f2f310d29a0, 24 [pid 7390] <... madvise resumed>) = 0 [pid 7389] rt_sigprocmask(SIG_SETMASK, [], [pid 7388] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... set_robust_list resumed>) = 0 [pid 7389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7400] rt_sigprocmask(SIG_SETMASK, [], [pid 7397] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7389] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7397] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... futex resumed>) = 0 [pid 7400] ioctl(3, UFFDIO_REGISTER, NULL [pid 7397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7400] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7389] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7400] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7393] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] <... futex resumed>) = 0 [pid 7400] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7390] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... futex resumed>) = 1 [pid 7391] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7389] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7391] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = 0 [pid 7388] exit_group(0 [pid 7399] <... futex resumed>) = ? [pid 7388] <... exit_group resumed>) = ? [pid 7399] +++ exited with 0 +++ [pid 7390] <... futex resumed>) = ? [pid 7392] <... mmap resumed>) = 0x7f2f310b2000 [pid 7392] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7395] <... io_uring_register resumed>) = 0 [pid 7392] <... mprotect resumed>) = 0 [pid 7391] <... futex resumed>) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7391] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7389] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7390] +++ exited with 0 +++ [pid 7388] +++ exited with 0 +++ ./strace-static-x86_64: Process 7401 attached [pid 7392] <... clone3 resumed> => {parent_tid=[7401]}, 88) = 7401 [pid 7401] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7392] rt_sigprocmask(SIG_SETMASK, [], [pid 7401] <... rseq resumed>) = 0 [pid 7392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7401] set_robust_list(0x7f2f310d29a0, 24 [pid 7392] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... set_robust_list resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7401] rt_sigprocmask(SIG_SETMASK, [], [pid 7392] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7401] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7401] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7392] <... futex resumed>) = 0 [pid 7391] <... madvise resumed>) = 0 [pid 7392] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7392] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7401] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7392] <... futex resumed>) = 0 [pid 7401] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7392] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7395] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7388, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7391] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 1 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7395] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] <... futex resumed>) = 0 [pid 7389] exit_group(0 [pid 7392] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7389] <... exit_group resumed>) = ? [pid 7400] <... futex resumed>) = ? [pid 7391] <... futex resumed>) = ? [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7402 [pid 7400] +++ exited with 0 +++ ./strace-static-x86_64: Process 7402 attached [pid 7401] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7402] set_robust_list(0x555592b0f6a0, 24 [pid 7396] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7391] +++ exited with 0 +++ [pid 7389] +++ exited with 0 +++ [pid 7402] <... set_robust_list resumed>) = 0 [pid 7396] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7396] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7389, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7402] <... prctl resumed>) = 0 [pid 7396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7402] setpgid(0, 0) = 0 [pid 7402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7402] write(3, "1000", 4) = 4 [pid 7402] close(3) = 0 [pid 7402] write(1, "executing program\n", 18executing program ) = 18 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7402] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7402] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7401] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 7403 attached [pid 7402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7401] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7403 [pid 7403] set_robust_list(0x555592b0f6a0, 24 [pid 7402] <... mmap resumed>) = 0x7f2f310d3000 [pid 7403] <... set_robust_list resumed>) = 0 [pid 7403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7402] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7401] <... futex resumed>) = 1 [pid 7392] <... futex resumed>) = 0 [pid 7402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7401] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7392] exit_group(0 [pid 7403] <... prctl resumed>) = 0 [pid 7402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7401] <... futex resumed>) = ? [pid 7395] <... futex resumed>) = ? [pid 7392] <... exit_group resumed>) = ? [pid 7403] setpgid(0, 0 [pid 7401] +++ exited with 0 +++ [pid 7402] <... clone3 resumed> => {parent_tid=[7404]}, 88) = 7404 [pid 7402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7402] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7404 attached [pid 7402] <... futex resumed>) = 0 [pid 7403] <... setpgid resumed>) = 0 [pid 7393] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7402] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] +++ exited with 0 +++ [pid 7393] <... futex resumed>) = 0 [pid 7392] +++ exited with 0 +++ [pid 7404] <... rseq resumed>) = 0 [pid 7403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7392, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7404] set_robust_list(0x7f2f310f39a0, 24 [pid 7403] <... openat resumed>) = 3 [pid 7393] <... mmap resumed>) = 0x7f2f310b2000 [pid 7403] write(3, "1000", 4 [pid 7404] <... set_robust_list resumed>) = 0 [pid 7393] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7404] rt_sigprocmask(SIG_SETMASK, [], [pid 7403] <... write resumed>) = 4 [pid 7404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7403] close(3 [pid 7397] <... io_uring_register resumed>) = 0 [pid 7396] <... mmap resumed>) = 0x7f2f310b2000 [pid 7393] <... mprotect resumed>) = 0 [pid 7403] <... close resumed>) = 0 [pid 7403] write(1, "executing program\n", 18 [pid 7396] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7393] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7404] userfaultfd(UFFD_USER_MODE_ONLY [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7397] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7404] <... userfaultfd resumed>) = 3 [pid 7403] <... write resumed>) = 18 [pid 7397] <... futex resumed>) = 0 [pid 7393] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7404] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7404] <... futex resumed>) = 1 [pid 7403] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7406 attached ./strace-static-x86_64: Process 7405 attached [pid 7404] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7403] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7402] <... futex resumed>) = 0 [pid 7396] <... mprotect resumed>) = 0 [pid 7406] set_robust_list(0x555592b0f6a0, 24 [pid 7405] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7406] <... set_robust_list resumed>) = 0 [pid 7405] <... rseq resumed>) = 0 [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7405] set_robust_list(0x7f2f310d29a0, 24 [pid 7396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7406] <... prctl resumed>) = 0 [pid 7405] <... set_robust_list resumed>) = 0 [pid 7396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7406] setpgid(0, 0 [pid 7405] rt_sigprocmask(SIG_SETMASK, [], [pid 7396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7407 attached [pid 7406] <... setpgid resumed>) = 0 [pid 7405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7393] <... clone3 resumed> => {parent_tid=[7405]}, 88) = 7405 [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7405] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7406] <... openat resumed>) = 3 [pid 7403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7393] rt_sigprocmask(SIG_SETMASK, [], [pid 7407] <... rseq resumed>) = 0 [pid 7406] write(3, "1000", 4 [pid 7403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7402] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... clone3 resumed> => {parent_tid=[7407]}, 88) = 7407 [pid 7393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7406 [pid 7407] set_robust_list(0x7f2f310d29a0, 24 [pid 7406] <... write resumed>) = 4 [pid 7402] <... futex resumed>) = 1 [pid 7396] rt_sigprocmask(SIG_SETMASK, [], [pid 7393] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] <... set_robust_list resumed>) = 0 [pid 7406] close(3 [pid 7404] <... futex resumed>) = 0 [pid 7405] <... futex resumed>) = 0 [pid 7402] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7393] <... futex resumed>) = 1 [pid 7407] rt_sigprocmask(SIG_SETMASK, [], [pid 7406] <... close resumed>) = 0 [pid 7405] ioctl(3, UFFDIO_REGISTER, NULLexecuting program [pid 7404] ioctl(3, UFFDIO_API, NULL [pid 7403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7398] <... io_uring_register resumed>) = 0 [pid 7396] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7406] write(1, "executing program\n", 18 [pid 7405] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7404] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7398] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = 0 [pid 7407] ioctl(3, UFFDIO_REGISTER, NULL [pid 7406] <... write resumed>) = 18 [pid 7405] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... mmap resumed>) = 0x7f2f310d3000 [pid 7398] <... futex resumed>) = 0 [pid 7396] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7407] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7406] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7405] <... futex resumed>) = 1 [pid 7404] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7398] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] <... futex resumed>) = 0 [pid 7407] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 [pid 7405] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7404] <... futex resumed>) = 1 [pid 7403] <... mprotect resumed>) = 0 [pid 7393] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] <... futex resumed>) = 1 [pid 7404] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7396] <... futex resumed>) = 0 [pid 7393] <... futex resumed>) = 1 [pid 7406] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7402] <... futex resumed>) = 0 [pid 7406] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7402] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7402] <... futex resumed>) = 0 [pid 7398] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 1 [pid 7406] <... mmap resumed>) = 0x7f2f310d3000 [pid 7404] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7398] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7407] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7402] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7396] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] <... mprotect resumed>) = 0 [pid 7403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7398] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = 0 [pid 7406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7404] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7398] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7398] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7396] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7409 attached ./strace-static-x86_64: Process 7408 attached [pid 7398] <... futex resumed>) = 0 [pid 7397] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7396] <... futex resumed>) = 1 [pid 7409] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7408] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7406] <... clone3 resumed> => {parent_tid=[7409]}, 88) = 7409 [pid 7404] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... clone3 resumed> => {parent_tid=[7408]}, 88) = 7408 [pid 7398] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7397] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] <... rseq resumed>) = 0 [pid 7408] <... rseq resumed>) = 0 [pid 7406] rt_sigprocmask(SIG_SETMASK, [], [pid 7404] <... futex resumed>) = 1 [pid 7403] rt_sigprocmask(SIG_SETMASK, [], [pid 7402] <... futex resumed>) = 0 [pid 7398] <... madvise resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7409] set_robust_list(0x7f2f310f39a0, 24 [pid 7408] set_robust_list(0x7f2f310f39a0, 24 [pid 7406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7404] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7402] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... set_robust_list resumed>) = 0 [pid 7408] <... set_robust_list resumed>) = 0 [pid 7406] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7403] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] <... futex resumed>) = 0 [pid 7397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7409] rt_sigprocmask(SIG_SETMASK, [], [pid 7408] rt_sigprocmask(SIG_SETMASK, [], [pid 7406] <... futex resumed>) = 0 [pid 7404] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7403] <... futex resumed>) = 0 [pid 7402] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7393] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7406] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] <... futex resumed>) = 1 [pid 7409] userfaultfd(UFFD_USER_MODE_ONLY [pid 7408] userfaultfd(UFFD_USER_MODE_ONLY [pid 7398] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] <... userfaultfd resumed>) = 3 [pid 7408] <... userfaultfd resumed>) = 3 [pid 7396] <... futex resumed>) = 0 [pid 7409] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7408] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] exit_group(0 [pid 7409] <... futex resumed>) = 1 [pid 7408] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7409] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7408] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... futex resumed>) = 0 [pid 7409] ioctl(3, UFFDIO_API, NULL [pid 7406] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7409] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 [pid 7409] <... futex resumed>) = 1 [pid 7406] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7406] <... futex resumed>) = 0 [pid 7406] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7409] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... madvise resumed>) = 0 [pid 7407] <... futex resumed>) = ? [pid 7403] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] <... futex resumed>) = ? [pid 7396] <... exit_group resumed>) = ? [pid 7409] <... futex resumed>) = 1 [pid 7407] +++ exited with 0 +++ [pid 7406] <... futex resumed>) = 0 [pid 7403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] +++ exited with 0 +++ [pid 7409] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... futex resumed>) = 0 [pid 7409] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7406] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] +++ exited with 0 +++ [pid 7403] <... futex resumed>) = 1 [pid 7397] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7403] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] exit_group(0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7396, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7397] <... futex resumed>) = ? [pid 7393] <... exit_group resumed>) = ? [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7405] <... futex resumed>) = ? [pid 7405] +++ exited with 0 +++ [pid 7397] +++ exited with 0 +++ [pid 7408] <... futex resumed>) = 0 [pid 7408] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7408] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7403] <... futex resumed>) = 0 [pid 7408] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7403] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7408] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7403] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7393, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7410 attached [pid 7408] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7408] <... futex resumed>) = 1 [pid 7403] <... futex resumed>) = 0 [pid 7410] set_robust_list(0x555592b0f6a0, 24 [pid 7408] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7403] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... set_robust_list resumed>) = 0 [pid 7404] <... io_uring_register resumed>) = 0 [pid 7403] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7410 [pid 7410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7404] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7410] <... prctl resumed>) = 0 [pid 7404] <... futex resumed>) = 0 [pid 7402] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] setpgid(0, 0 [pid 7404] ioctl(3, UFFDIO_REGISTER, NULL [pid 7402] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7411 [pid 7410] <... setpgid resumed>) = 0 [pid 7404] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7411 attached [pid 7406] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7406] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7411] setpgid(0, 0 [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7411] <... setpgid resumed>) = 0 [pid 7411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7411] write(3, "1000", 4) = 4 [pid 7411] close(3executing program ) = 0 [pid 7411] write(1, "executing program\n", 18) = 18 [pid 7411] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7411] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7411] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7404] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7410] <... openat resumed>) = 3 [pid 7404] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7402] <... futex resumed>) = 0 [pid 7411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7412 attached => {parent_tid=[7412]}, 88) = 7412 [pid 7412] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7411] rt_sigprocmask(SIG_SETMASK, [], [pid 7412] <... rseq resumed>) = 0 [pid 7411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7412] set_robust_list(0x7f2f310f39a0, 24 [pid 7410] write(3, "1000", 4 [pid 7406] <... mmap resumed>) = 0x7f2f310b2000 [pid 7402] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... write resumed>) = 4 [pid 7406] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7402] <... futex resumed>) = 1 [pid 7410] close(3 [pid 7404] <... futex resumed>) = 0 [pid 7410] <... close resumed>) = 0 [pid 7406] <... mprotect resumed>) = 0 [pid 7404] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7402] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7410] write(1, "executing program\n", 18 [pid 7406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7404] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7410] <... write resumed>) = 18 [pid 7404] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7402] <... futex resumed>) = 0 [pid 7410] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7404] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7402] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7412] <... set_robust_list resumed>) = 0 [pid 7411] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7412] rt_sigprocmask(SIG_SETMASK, [], [pid 7411] <... futex resumed>) = 0 [pid 7412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7412] userfaultfd(UFFD_USER_MODE_ONLY [pid 7411] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... userfaultfd resumed>) = 3 [pid 7412] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7412] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7411] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7412] <... futex resumed>) = 0 [pid 7411] <... futex resumed>) = 1 [pid 7406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7404] <... madvise resumed>) = 0 [pid 7402] <... futex resumed>) = 0 [pid 7412] ioctl(3, UFFDIO_API, NULL [pid 7410] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, ./strace-static-x86_64: Process 7413 attached [pid 7412] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7411] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7402] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... io_uring_register resumed>) = 0 [pid 7404] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7406] <... clone3 resumed> => {parent_tid=[7413]}, 88) = 7413 [pid 7402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7413] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7406] rt_sigprocmask(SIG_SETMASK, [], [pid 7402] exit_group(0 [pid 7406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7403] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] <... exit_group resumed>) = ? [pid 7410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7413] <... rseq resumed>) = 0 [pid 7406] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] set_robust_list(0x7f2f310d29a0, 24 [pid 7410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7403] <... futex resumed>) = 0 [pid 7413] <... set_robust_list resumed>) = 0 [pid 7410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7406] <... futex resumed>) = 0 [pid 7403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7413] rt_sigprocmask(SIG_SETMASK, [], [pid 7410] <... mmap resumed>) = 0x7f2f310d3000 [pid 7413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7412] <... futex resumed>) = 0 [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] ioctl(3, UFFDIO_REGISTER, NULL [pid 7412] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7411] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7412] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7411] <... futex resumed>) = 0 [pid 7410] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7409] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] <... futex resumed>) = ? [pid 7413] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7412] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] <... futex resumed>) = 1 [pid 7412] <... futex resumed>) = 0 [pid 7411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7409] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7413] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7411] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] <... mprotect resumed>) = 0 [pid 7409] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7406] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] +++ exited with 0 +++ [pid 7402] +++ exited with 0 +++ [pid 7411] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7409] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7408] <... io_uring_register resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7403] <... mmap resumed>) = 0x7f2f310b2000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7402, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7409] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7408] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7409] <... futex resumed>) = 0 [pid 7408] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7403] <... mprotect resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7414 attached [pid 7409] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7408] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7410] <... clone3 resumed> => {parent_tid=[7414]}, 88) = 7414 [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... futex resumed>) = 0 [pid 7403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7410] rt_sigprocmask(SIG_SETMASK, [], [pid 7409] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7406] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7414] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 7415 attached [pid 7410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7410] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... clone3 resumed> => {parent_tid=[7415]}, 88) = 7415 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7416 ./strace-static-x86_64: Process 7416 attached [pid 7415] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7414] <... rseq resumed>) = 0 [pid 7410] <... futex resumed>) = 0 [pid 7409] <... madvise resumed>) = 0 [pid 7403] rt_sigprocmask(SIG_SETMASK, [], [pid 7416] set_robust_list(0x555592b0f6a0, 24 [pid 7415] <... rseq resumed>) = 0 [pid 7414] set_robust_list(0x7f2f310f39a0, 24 [pid 7410] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7415] set_robust_list(0x7f2f310d29a0, 24 [pid 7414] <... set_robust_list resumed>) = 0 [pid 7409] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... set_robust_list resumed>) = 0 [pid 7415] <... set_robust_list resumed>) = 0 [pid 7414] rt_sigprocmask(SIG_SETMASK, [], [pid 7409] <... futex resumed>) = 1 [pid 7406] <... futex resumed>) = 0 [pid 7403] <... futex resumed>) = 0 [pid 7415] rt_sigprocmask(SIG_SETMASK, [], [pid 7414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7409] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] exit_group(0 [pid 7403] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7414] userfaultfd(UFFD_USER_MODE_ONLY [pid 7413] <... futex resumed>) = ? [pid 7409] <... futex resumed>) = ? [pid 7406] <... exit_group resumed>) = ? [pid 7416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7415] ioctl(3, UFFDIO_REGISTER, NULL [pid 7414] <... userfaultfd resumed>) = 3 [pid 7413] +++ exited with 0 +++ [pid 7409] +++ exited with 0 +++ [pid 7406] +++ exited with 0 +++ [pid 7416] <... prctl resumed>) = 0 [pid 7415] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7414] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] setpgid(0, 0) = 0 [pid 7415] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 1 [pid 7410] <... futex resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7406, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7415] <... futex resumed>) = 1 [pid 7414] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7416] <... openat resumed>) = 3 [pid 7415] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7410] <... futex resumed>) = 0 [pid 7403] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7416] write(3, "1000", 4 [pid 7414] ioctl(3, UFFDIO_API, NULL [pid 7410] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7408] <... futex resumed>) = 0 [pid 7403] <... futex resumed>) = 1 [pid 7416] <... write resumed>) = 4 [pid 7414] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7412] <... io_uring_register resumed>) = 0 [pid 7408] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7403] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7416] close(3 [pid 7414] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7416] <... close resumed>) = 0 [pid 7414] <... futex resumed>) = 1 [pid 7412] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7408] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7417 attached [pid 7416] write(1, "executing program\n", 18 [pid 7414] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] <... futex resumed>) = 1 [pid 7411] <... futex resumed>) = 0 [pid 7410] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7408] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7417 [pid 7417] set_robust_list(0x555592b0f6a0, 24 [pid 7416] <... write resumed>) = 18 [pid 7414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7408] <... futex resumed>) = 1 [pid 7403] <... futex resumed>) = 0 [pid 7416] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7411] <... futex resumed>) = 0 [pid 7410] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... set_robust_list resumed>) = 0 [pid 7416] <... futex resumed>) = 0 [pid 7414] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7411] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7408] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7403] <... futex resumed>) = 0 [pid 7417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7416] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7414] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7412] ioctl(3, UFFDIO_REGISTER, NULL [pid 7408] <... madvise resumed>) = 0 [pid 7403] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7416] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7414] <... futex resumed>) = 1 [pid 7410] <... futex resumed>) = 0 [pid 7416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7414] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7410] <... futex resumed>) = 0 [pid 7414] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7417] <... prctl resumed>) = 0 [pid 7412] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7410] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7416] <... mmap resumed>) = 0x7f2f310d3000 [pid 7417] setpgid(0, 0 [pid 7412] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... setpgid resumed>) = 0 [pid 7416] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7412] <... futex resumed>) = 1 [pid 7411] <... futex resumed>) = 0 [pid 7408] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] <... mprotect resumed>) = 0 [pid 7412] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = 0 [pid 7417] <... openat resumed>) = 3 [pid 7416] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7411] <... futex resumed>) = 0 [pid 7408] <... futex resumed>) = 1 [pid 7403] exit_group(0 [pid 7417] write(3, "1000", 4 [pid 7416] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7415] <... futex resumed>) = ? [pid 7412] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7411] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] <... exit_group resumed>) = ? [pid 7417] <... write resumed>) = 4 executing program [pid 7416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7415] +++ exited with 0 +++ [pid 7412] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7408] +++ exited with 0 +++ [pid 7417] close(3) = 0 [pid 7417] write(1, "executing program\n", 18) = 18 [pid 7417] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7418 attached [pid 7417] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7412] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7417] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7416] <... clone3 resumed> => {parent_tid=[7418]}, 88) = 7418 [pid 7412] <... futex resumed>) = 1 [pid 7411] <... futex resumed>) = 0 [pid 7418] <... rseq resumed>) = 0 [pid 7417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7416] rt_sigprocmask(SIG_SETMASK, [], [pid 7412] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] +++ exited with 0 +++ [pid 7418] set_robust_list(0x7f2f310f39a0, 24 [pid 7417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7411] <... futex resumed>) = 0 [pid 7418] <... set_robust_list resumed>) = 0 [pid 7416] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7403, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 7418] rt_sigprocmask(SIG_SETMASK, [], [pid 7416] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7416] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... mmap resumed>) = 0x7f2f310d3000 [pid 7412] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7418] userfaultfd(UFFD_USER_MODE_ONLY [pid 7417] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7412] <... madvise resumed>) = 0 [pid 7418] <... userfaultfd resumed>) = 3 [pid 7418] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... mprotect resumed>) = 0 [pid 7418] <... futex resumed>) = 1 [pid 7417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7416] <... futex resumed>) = 0 [pid 7418] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7416] <... futex resumed>) = 0 [pid 7418] ioctl(3, UFFDIO_API, NULL [pid 7416] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7418] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7414] <... io_uring_register resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7418] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... futex resumed>) = 1 [pid 7417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7416] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = 1 [pid 7410] <... futex resumed>) = 0 [pid 7416] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7418] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7416] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] ioctl(3, UFFDIO_REGISTER, NULL [pid 7410] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7419 attached [pid 7417] <... clone3 resumed> => {parent_tid=[7419]}, 88) = 7419 [pid 7414] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7410] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7417] rt_sigprocmask(SIG_SETMASK, [], [pid 7414] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7419] <... rseq resumed>) = 0 [pid 7417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7414] <... futex resumed>) = 0 [pid 7419] set_robust_list(0x7f2f310f39a0, 24 [pid 7417] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... set_robust_list resumed>) = 0 [pid 7417] <... futex resumed>) = 0 [pid 7412] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7419] rt_sigprocmask(SIG_SETMASK, [], [pid 7417] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7418] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7419] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7417] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7417] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 7420 attached [pid 7419] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7417] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7417] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7414] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7411] <... futex resumed>) = 0 [pid 7420] set_robust_list(0x555592b0f6a0, 24 [pid 7419] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7418] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7411] exit_group(0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7420 [pid 7420] <... set_robust_list resumed>) = 0 [pid 7418] <... futex resumed>) = 1 [pid 7416] <... futex resumed>) = 0 [pid 7414] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7412] <... futex resumed>) = ? [pid 7411] <... exit_group resumed>) = ? [pid 7420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7418] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7416] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 1 [pid 7412] +++ exited with 0 +++ [pid 7410] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = 0 [pid 7414] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] <... prctl resumed>) = 0 [pid 7419] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7411] +++ exited with 0 +++ [pid 7410] <... futex resumed>) = 0 [pid 7420] setpgid(0, 0 [pid 7414] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7410] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... setpgid resumed>) = 0 [pid 7420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7419] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7414] <... madvise resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7411, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7420] <... openat resumed>) = 3 [pid 7419] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7417] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7420] write(3, "1000", 4 [pid 7417] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... write resumed>) = 4 [pid 7414] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] close(3 [pid 7414] <... futex resumed>) = 1 [pid 7410] <... futex resumed>) = 0 [pid 7420] <... close resumed>) = 0 [pid 7414] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7420] write(1, "executing program\n", 18 [pid 7410] exit_group(0 [pid 7420] <... write resumed>) = 18 [pid 7414] <... futex resumed>) = ? [pid 7410] <... exit_group resumed>) = ? [pid 7420] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] +++ exited with 0 +++ [pid 7420] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555592b0f690) = 7421 ./strace-static-x86_64: Process 7421 attached [pid 7420] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7410] +++ exited with 0 +++ [pid 7421] set_robust_list(0x555592b0f6a0, 24 [pid 7420] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7421] <... set_robust_list resumed>) = 0 [pid 7420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7410, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7421] <... prctl resumed>) = 0 [pid 7420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7421] setpgid(0, 0 [pid 7420] <... mmap resumed>) = 0x7f2f310d3000 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7421] <... setpgid resumed>) = 0 [pid 7420] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555592b0f690) = 7422 ./strace-static-x86_64: Process 7422 attached [pid 7422] set_robust_list(0x555592b0f6a0, 24 [pid 7420] <... mprotect resumed>) = 0 [pid 7422] <... set_robust_list resumed>) = 0 [pid 7421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7420] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7420] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7422] <... prctl resumed>) = 0 [pid 7421] <... openat resumed>) = 3 [pid 7420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7418] <... io_uring_register resumed>) = 0 [pid 7416] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7422] setpgid(0, 0 [pid 7421] write(3, "1000", 4./strace-static-x86_64: Process 7423 attached [pid 7422] <... setpgid resumed>) = 0 [pid 7421] <... write resumed>) = 4 [pid 7418] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7416] <... futex resumed>) = 0 [pid 7418] <... futex resumed>) = 0 [pid 7423] <... rseq resumed>) = 0 [pid 7422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7418] ioctl(3, UFFDIO_REGISTER, NULL [pid 7421] close(3 [pid 7423] set_robust_list(0x7f2f310f39a0, 24 [pid 7420] <... clone3 resumed> => {parent_tid=[7423]}, 88) = 7423 [pid 7418] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7423] <... set_robust_list resumed>) = 0 [pid 7421] <... close resumed>) = 0 executing program [pid 7423] rt_sigprocmask(SIG_SETMASK, [], [pid 7420] rt_sigprocmask(SIG_SETMASK, [], [pid 7421] write(1, "executing program\n", 18 [pid 7418] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7421] <... write resumed>) = 18 [pid 7420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7418] <... futex resumed>) = 1 [pid 7416] <... futex resumed>) = 0 [pid 7423] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7421] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7421] <... futex resumed>) = 0 [pid 7420] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = 0 [pid 7423] userfaultfd(UFFD_USER_MODE_ONLY [pid 7418] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7421] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7416] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] <... userfaultfd resumed>) = 3 [pid 7421] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7418] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7423] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... openat resumed>) = 3 [pid 7421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7418] <... futex resumed>) = 0 [pid 7416] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 [pid 7422] write(3, "1000", 4 [pid 7421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7420] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7416] <... futex resumed>) = 0 [pid 7423] ioctl(3, UFFDIO_API, NULL [pid 7422] <... write resumed>) = 4 [pid 7421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7420] <... futex resumed>) = 0 [pid 7423] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7422] close(3 [pid 7421] <... mmap resumed>) = 0x7f2f310d3000 [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7418] <... madvise resumed>) = 0 [pid 7416] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7417] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 7417] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7423] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... close resumed>) = 0 [pid 7421] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7418] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7423] <... futex resumed>) = 1 [pid 7422] write(1, "executing program\n", 18executing program [pid 7421] <... mprotect resumed>) = 0 [pid 7420] <... futex resumed>) = 0 [pid 7418] <... futex resumed>) = 0 [pid 7416] exit_group(0 [pid 7423] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] <... write resumed>) = 18 [pid 7421] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7420] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... exit_group resumed>) = ? [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7419] <... io_uring_register resumed>) = 0 [pid 7417] <... mmap resumed>) = 0x7f2f310b2000 [pid 7417] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7423] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7422] <... futex resumed>) = 0 [pid 7421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7420] <... futex resumed>) = 0 [pid 7419] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] +++ exited with 0 +++ [pid 7417] <... mprotect resumed>) = 0 [pid 7416] +++ exited with 0 +++ ./strace-static-x86_64: Process 7424 attached [pid 7423] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7422] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = 0 [pid 7417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7416, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7424] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7423] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7421] <... clone3 resumed> => {parent_tid=[7424]}, 88) = 7424 [pid 7420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7419] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7424] <... rseq resumed>) = 0 [pid 7423] <... futex resumed>) = 0 [pid 7422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7421] rt_sigprocmask(SIG_SETMASK, [], [pid 7420] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7425 attached [pid 7424] set_robust_list(0x7f2f310f39a0, 24 [pid 7423] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7420] <... futex resumed>) = 0 [pid 7425] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7424] <... set_robust_list resumed>) = 0 [pid 7422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7421] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... clone3 resumed> => {parent_tid=[7425]}, 88) = 7425 [pid 7417] rt_sigprocmask(SIG_SETMASK, [], [pid 7425] <... rseq resumed>) = 0 [pid 7424] rt_sigprocmask(SIG_SETMASK, [], [pid 7422] <... mmap resumed>) = 0x7f2f310d3000 [pid 7421] <... futex resumed>) = 0 [pid 7417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7425] set_robust_list(0x7f2f310d29a0, 24 [pid 7424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7422] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7421] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] <... set_robust_list resumed>) = 0 [pid 7424] userfaultfd(UFFD_USER_MODE_ONLY [pid 7422] <... mprotect resumed>) = 0 [pid 7417] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7425] rt_sigprocmask(SIG_SETMASK, [], [pid 7424] <... userfaultfd resumed>) = 3 [pid 7422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7417] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7424] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7425] ioctl(3, UFFDIO_REGISTER, NULL [pid 7424] <... futex resumed>) = 1 [pid 7422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7421] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7425] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7424] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7421] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7427 attached ./strace-static-x86_64: Process 7426 attached [pid 7425] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] <... clone3 resumed> => {parent_tid=[7426]}, 88) = 7426 [pid 7421] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7427 [pid 7427] set_robust_list(0x555592b0f6a0, 24 [pid 7426] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7425] <... futex resumed>) = 1 [pid 7424] ioctl(3, UFFDIO_API, NULL [pid 7422] rt_sigprocmask(SIG_SETMASK, [], [pid 7421] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... futex resumed>) = 0 [pid 7427] <... set_robust_list resumed>) = 0 [pid 7426] <... rseq resumed>) = 0 [pid 7425] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7417] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7426] set_robust_list(0x7f2f310f39a0, 24 [pid 7424] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 0 [pid 7417] <... futex resumed>) = 1 [pid 7427] <... prctl resumed>) = 0 [pid 7426] <... set_robust_list resumed>) = 0 [pid 7424] <... futex resumed>) = 1 [pid 7422] <... futex resumed>) = 0 [pid 7421] <... futex resumed>) = 0 [pid 7419] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7417] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7427] setpgid(0, 0 [pid 7426] rt_sigprocmask(SIG_SETMASK, [], [pid 7424] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7422] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7421] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7427] <... setpgid resumed>) = 0 [pid 7426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7421] <... futex resumed>) = 0 [pid 7419] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7426] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7424] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7426] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7422] <... futex resumed>) = 0 [pid 7421] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7427] <... openat resumed>) = 3 [pid 7426] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] <... futex resumed>) = 0 [pid 7417] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] <... futex resumed>) = 1 [pid 7421] <... futex resumed>) = 0 [pid 7419] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7427] write(3, "1000", 4 [pid 7426] ioctl(3, UFFDIO_API, NULL [pid 7424] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7421] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... futex resumed>) = 0 [pid 7427] <... write resumed>) = 4 [pid 7426] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7421] <... futex resumed>) = 0 [pid 7417] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7422] <... futex resumed>) = 0 [pid 7426] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] <... futex resumed>) = 0 [pid 7426] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7422] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7424] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7421] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7427] close(3executing program ) = 0 [pid 7426] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7427] write(1, "executing program\n", 18) = 18 [pid 7427] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7426] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... madvise resumed>) = 0 [pid 7427] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7426] <... futex resumed>) = 1 [pid 7427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7426] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] <... mmap resumed>) = 0x7f2f310d3000 [pid 7422] <... futex resumed>) = 0 [pid 7427] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7419] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] <... mprotect resumed>) = 0 [pid 7426] <... futex resumed>) = 0 [pid 7422] <... futex resumed>) = 1 [pid 7419] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7426] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7422] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] exit_group(0 [pid 7427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7417] <... exit_group resumed>) = ? [pid 7427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7425] <... futex resumed>) = ? [pid 7423] <... io_uring_register resumed>) = 0 [pid 7420] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7419] <... futex resumed>) = ? [pid 7423] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] +++ exited with 0 +++ [pid 7420] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 [pid 7423] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7428 attached [pid 7425] +++ exited with 0 +++ [pid 7423] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] <... futex resumed>) = 0 [pid 7417] +++ exited with 0 +++ [pid 7428] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7427] <... clone3 resumed> => {parent_tid=[7428]}, 88) = 7428 [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7417, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7428] <... rseq resumed>) = 0 [pid 7427] rt_sigprocmask(SIG_SETMASK, [], [pid 7420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7428] set_robust_list(0x7f2f310f39a0, 24 [pid 7427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7420] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... set_robust_list resumed>) = 0 [pid 7427] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] <... futex resumed>) = 0 [pid 7428] rt_sigprocmask(SIG_SETMASK, [], [pid 7427] <... futex resumed>) = 0 [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7427] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7428] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7423] <... futex resumed>) = 1 [pid 7420] <... futex resumed>) = 0 [pid 7428] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 7428] <... futex resumed>) = 1 [pid 7427] <... futex resumed>) = 0 [pid 7423] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7428] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7427] <... futex resumed>) = 0 [pid 7423] <... futex resumed>) = 1 [pid 7420] <... futex resumed>) = 0 [pid 7428] ioctl(3, UFFDIO_API, NULL [pid 7427] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7420] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7428] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... io_uring_register resumed>) = 0 [pid 7424] <... io_uring_register resumed>) = 0 [pid 7423] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7420] <... futex resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7428] <... futex resumed>) = 1 [pid 7427] <... futex resumed>) = 0 [pid 7424] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... madvise resumed>) = 0 [pid 7421] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7420] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7427] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = 1 [pid 7424] <... futex resumed>) = 0 [pid 7423] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... futex resumed>) = 0 [pid 7421] <... futex resumed>) = 0 [pid 7420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7427] <... futex resumed>) = 0 [pid 7426] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] ioctl(3, UFFDIO_REGISTER, NULL [pid 7423] <... futex resumed>) = 0 [pid 7422] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] exit_group(0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7428] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7427] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7422] <... futex resumed>) = 0 [pid 7420] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7429 attached [pid 7428] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7426] ioctl(3, UFFDIO_REGISTER, NULL [pid 7424] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] +++ exited with 0 +++ [pid 7422] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7429] set_robust_list(0x555592b0f6a0, 24 [pid 7428] <... futex resumed>) = 0 [pid 7427] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7429] <... set_robust_list resumed>) = 0 [pid 7424] <... futex resumed>) = 1 [pid 7428] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7421] <... futex resumed>) = 0 [pid 7427] <... futex resumed>) = 0 [pid 7420] +++ exited with 0 +++ [pid 7426] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7429 [pid 7427] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7424] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7421] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7420, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7426] <... futex resumed>) = 1 [pid 7422] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7421] <... futex resumed>) = 0 [pid 7429] <... prctl resumed>) = 0 [pid 7426] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] setpgid(0, 0 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7421] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 7426] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7424] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7424] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] <... futex resumed>) = 0 [pid 7426] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7424] <... futex resumed>) = 1 [pid 7422] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7421] <... futex resumed>) = 0 [pid 7426] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7421] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7426] <... futex resumed>) = 0 [pid 7424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7422] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7430 attached [pid 7429] <... setpgid resumed>) = 0 executing program [pid 7422] <... futex resumed>) = 0 [pid 7424] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7421] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7422] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7429] <... openat resumed>) = 3 [pid 7429] write(3, "1000", 4) = 4 [pid 7429] close(3) = 0 [pid 7429] write(1, "executing program\n", 18) = 18 [pid 7429] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7429] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7430 [pid 7429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7429] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7430] set_robust_list(0x555592b0f6a0, 24 [pid 7429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7431 attached [pid 7430] <... set_robust_list resumed>) = 0 [pid 7426] <... madvise resumed>) = 0 [pid 7424] <... madvise resumed>) = 0 [pid 7430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7426] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... prctl resumed>) = 0 [pid 7426] <... futex resumed>) = 1 [pid 7424] <... futex resumed>) = 1 [pid 7422] <... futex resumed>) = 0 [pid 7421] <... futex resumed>) = 0 [pid 7430] setpgid(0, 0 [pid 7426] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] exit_group(0 [pid 7421] exit_group(0 [pid 7430] <... setpgid resumed>) = 0 [pid 7429] <... clone3 resumed> => {parent_tid=[7431]}, 88) = 7431 [pid 7426] <... futex resumed>) = ? [pid 7424] <... futex resumed>) = ? [pid 7422] <... exit_group resumed>) = ? [pid 7421] <... exit_group resumed>) = ? [pid 7431] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7429] rt_sigprocmask(SIG_SETMASK, [], [pid 7424] +++ exited with 0 +++ [pid 7431] <... rseq resumed>) = 0 [pid 7429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7431] set_robust_list(0x7f2f310f39a0, 24 [pid 7429] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... set_robust_list resumed>) = 0 [pid 7429] <... futex resumed>) = 0 [pid 7431] rt_sigprocmask(SIG_SETMASK, [], [pid 7429] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7431] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7431] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7429] <... futex resumed>) = 0 [pid 7421] +++ exited with 0 +++ [pid 7431] ioctl(3, UFFDIO_API, NULL [pid 7430] <... openat resumed>) = 3 [pid 7429] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7421, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7431] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7429] <... futex resumed>) = 0 [pid 7430] write(3, "1000", 4 [pid 7426] +++ exited with 0 +++ [pid 7422] +++ exited with 0 +++ [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7431] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... write resumed>) = 4 [pid 7429] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7422, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7431] <... futex resumed>) = 0 executing program [pid 7430] close(3 [pid 7429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... restart_syscall resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7431] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] <... close resumed>) = 0 [pid 7427] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] <... restart_syscall resumed>) = 0 [pid 7430] write(1, "executing program\n", 18 [pid 7427] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... write resumed>) = 18 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7429] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7430] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = 0 [pid 7431] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7430] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7429] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7428] <... io_uring_register resumed>) = 0 [pid 7427] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7432 attached [pid 7431] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7428] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7431] <... futex resumed>) = 1 [pid 7429] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7432 ./strace-static-x86_64: Process 7433 attached [pid 7432] set_robust_list(0x555592b0f6a0, 24 [pid 7431] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7429] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... futex resumed>) = 0 [pid 7427] <... mmap resumed>) = 0x7f2f310b2000 [pid 7433] set_robust_list(0x555592b0f6a0, 24 [pid 7432] <... set_robust_list resumed>) = 0 [pid 7430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7428] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7433] <... set_robust_list resumed>) = 0 [pid 7429] <... futex resumed>) = 0 [pid 7427] <... mprotect resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7433 [pid 7430] <... mmap resumed>) = 0x7f2f310d3000 [pid 7429] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7432] <... prctl resumed>) = 0 [pid 7430] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7433] <... prctl resumed>) = 0 [pid 7432] setpgid(0, 0 [pid 7430] <... mprotect resumed>) = 0 [pid 7433] setpgid(0, 0 [pid 7432] <... setpgid resumed>) = 0 [pid 7430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7430] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7434 attached [pid 7430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7433] <... setpgid resumed>) = 0 [pid 7427] <... clone3 resumed> => {parent_tid=[7434]}, 88) = 7434 [pid 7433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7427] rt_sigprocmask(SIG_SETMASK, [], [pid 7434] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7432] <... openat resumed>) = 3 executing program executing program [pid 7434] <... rseq resumed>) = 0 [pid 7433] <... openat resumed>) = 3 [pid 7432] write(3, "1000", 4 [pid 7430] <... clone3 resumed> => {parent_tid=[7435]}, 88) = 7435 [pid 7427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7434] set_robust_list(0x7f2f310d29a0, 24 [pid 7433] write(3, "1000", 4 [pid 7432] <... write resumed>) = 4 [pid 7430] rt_sigprocmask(SIG_SETMASK, [], [pid 7427] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] <... set_robust_list resumed>) = 0 [pid 7433] <... write resumed>) = 4 [pid 7432] close(3 [pid 7430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7427] <... futex resumed>) = 0 [pid 7434] rt_sigprocmask(SIG_SETMASK, [], [pid 7433] close(3 [pid 7432] <... close resumed>) = 0 [pid 7430] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7433] <... close resumed>) = 0 [pid 7432] write(1, "executing program\n", 18 [pid 7430] <... futex resumed>) = 0 [pid 7434] ioctl(3, UFFDIO_REGISTER, NULL [pid 7433] write(1, "executing program\n", 18 [pid 7432] <... write resumed>) = 18 [pid 7434] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7433] <... write resumed>) = 18 [pid 7430] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] <... futex resumed>) = 1 [pid 7433] <... futex resumed>) = 0 [pid 7427] <... futex resumed>) = 0 [pid 7434] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7432] <... futex resumed>) = 0 [pid 7433] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7428] <... futex resumed>) = 0 [pid 7427] <... futex resumed>) = 1 [pid 7433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7432] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7428] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7427] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7432] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7428] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7428] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7435 attached [pid 7433] <... mmap resumed>) = 0x7f2f310d3000 [pid 7432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7428] <... futex resumed>) = 1 [pid 7427] <... futex resumed>) = 0 [pid 7435] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7433] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7428] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] set_robust_list(0x7f2f310f39a0, 24 [pid 7433] <... mprotect resumed>) = 0 [pid 7427] <... futex resumed>) = 0 [pid 7435] <... set_robust_list resumed>) = 0 [pid 7432] <... mmap resumed>) = 0x7f2f310d3000 [pid 7428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7427] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] rt_sigprocmask(SIG_SETMASK, [], [pid 7433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7432] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7428] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7431] <... io_uring_register resumed>) = 0 [pid 7435] userfaultfd(UFFD_USER_MODE_ONLY [pid 7432] <... mprotect resumed>) = 0 [pid 7433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7435] <... userfaultfd resumed>) = 3 [pid 7433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7432] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7435] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 7436 attached [pid 7435] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7429] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7429] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7429] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7437 attached => {parent_tid=[7437]}, 88) = 7437 [pid 7429] rt_sigprocmask(SIG_SETMASK, [], [pid 7437] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7436] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7432] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7430] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7428] <... madvise resumed>) = 0 [pid 7437] <... rseq resumed>) = 0 [pid 7436] <... rseq resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7433] <... clone3 resumed> => {parent_tid=[7436]}, 88) = 7436 [pid 7432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7430] <... futex resumed>) = 1 [pid 7429] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7438 attached [pid 7437] set_robust_list(0x7f2f310d29a0, 24 [pid 7436] set_robust_list(0x7f2f310f39a0, 24 [pid 7435] ioctl(3, UFFDIO_API, NULL [pid 7433] rt_sigprocmask(SIG_SETMASK, [], [pid 7431] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7429] <... futex resumed>) = 0 [pid 7428] <... futex resumed>) = 1 [pid 7427] <... futex resumed>) = 0 [pid 7438] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7437] <... set_robust_list resumed>) = 0 [pid 7436] <... set_robust_list resumed>) = 0 [pid 7435] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7432] <... clone3 resumed> => {parent_tid=[7438]}, 88) = 7438 [pid 7431] <... futex resumed>) = 0 [pid 7429] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7428] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7427] exit_group(0 [pid 7438] <... rseq resumed>) = 0 [pid 7437] rt_sigprocmask(SIG_SETMASK, [], [pid 7436] rt_sigprocmask(SIG_SETMASK, [], [pid 7435] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] <... futex resumed>) = ? [pid 7433] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] rt_sigprocmask(SIG_SETMASK, [], [pid 7431] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] <... futex resumed>) = ? [pid 7427] <... exit_group resumed>) = ? [pid 7438] set_robust_list(0x7f2f310f39a0, 24 [pid 7437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7435] <... futex resumed>) = 1 [pid 7434] +++ exited with 0 +++ [pid 7433] <... futex resumed>) = 0 [pid 7432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7430] <... futex resumed>) = 0 [pid 7438] <... set_robust_list resumed>) = 0 [pid 7437] ioctl(3, UFFDIO_REGISTER, NULL [pid 7436] userfaultfd(UFFD_USER_MODE_ONLY [pid 7435] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] rt_sigprocmask(SIG_SETMASK, [], [pid 7437] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7436] <... userfaultfd resumed>) = 3 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 0 [pid 7430] <... futex resumed>) = 0 [pid 7428] +++ exited with 0 +++ [pid 7427] +++ exited with 0 +++ [pid 7438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7437] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7432] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7430] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] userfaultfd(UFFD_USER_MODE_ONLY [pid 7437] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 1 [pid 7435] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7433] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7427, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7438] <... userfaultfd resumed>) = 3 [pid 7437] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7429] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7431] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = 1 [pid 7431] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7429] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7433] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 7438] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] ioctl(3, UFFDIO_API, NULL [pid 7433] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7432] <... futex resumed>) = 0 [pid 7438] ioctl(3, UFFDIO_API, NULL [pid 7436] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7436] <... futex resumed>) = 1 [pid 7435] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] <... futex resumed>) = 0 [pid 7431] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... futex resumed>) = 1 [pid 7433] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 7431] <... futex resumed>) = 1 [pid 7430] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = 0 [pid 7438] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7435] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 0 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = 0 [pid 7429] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7435] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7431] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7430] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7429] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7429] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7432] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7438] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 1 [pid 7433] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 7438] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7433] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7439 attached [pid 7438] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7436] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7433] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7439 [pid 7439] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7431] <... madvise resumed>) = 0 [pid 7439] <... prctl resumed>) = 0 [pid 7431] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7431] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7429] <... futex resumed>) = 0 [pid 7439] setpgid(0, 0 [pid 7429] exit_group(0 [pid 7439] <... setpgid resumed>) = 0 [pid 7439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7439] write(3, "1000", 4 [pid 7437] <... futex resumed>) = ? [pid 7431] <... futex resumed>) = ? [pid 7429] <... exit_group resumed>) = ? [pid 7439] <... write resumed>) = 4 [pid 7437] +++ exited with 0 +++ [pid 7431] +++ exited with 0 +++ [pid 7439] close(3 [pid 7429] +++ exited with 0 +++ [pid 7439] <... close resumed>) = 0 executing program [pid 7439] write(1, "executing program\n", 18) = 18 [pid 7439] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7429, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7440 attached [pid 7439] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7440 [pid 7440] set_robust_list(0x555592b0f6a0, 24 [pid 7439] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7435] <... io_uring_register resumed>) = 0 [pid 7430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7440] <... set_robust_list resumed>) = 0 [pid 7439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7430] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7435] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7430] <... futex resumed>) = 0 [pid 7439] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7435] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7432] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7439] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7433] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7430] <... mmap resumed>) = 0x7f2f310b2000 [pid 7433] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7430] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7430] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7441 attached [pid 7440] <... prctl resumed>) = 0 [pid 7439] <... clone3 resumed> => {parent_tid=[7441]}, 88) = 7441 [pid 7439] rt_sigprocmask(SIG_SETMASK, [], [pid 7440] setpgid(0, 0 [pid 7439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7440] <... setpgid resumed>) = 0 [pid 7430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7441] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7441] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7440] <... openat resumed>) = 3 [pid 7439] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... clone3 resumed> => {parent_tid=[7442]}, 88) = 7442 [pid 7440] write(3, "1000", 4 [pid 7439] <... futex resumed>) = 1 [pid 7441] <... futex resumed>) = 0 [pid 7439] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7441] userfaultfd(UFFD_USER_MODE_ONLY [pid 7440] <... write resumed>) = 4 [pid 7430] rt_sigprocmask(SIG_SETMASK, [], [pid 7441] <... userfaultfd resumed>) = 3 [pid 7441] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] <... futex resumed>) = 0 [pid 7440] close(3 [pid 7439] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7442 attached [pid 7441] <... futex resumed>) = 0 [pid 7440] <... close resumed>) = 0 [pid 7439] <... futex resumed>) = 1 [pid 7438] <... io_uring_register resumed>) = 0 [pid 7436] <... io_uring_register resumed>) = 0 [pid 7442] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7433] <... mmap resumed>) = 0x7f2f310b2000 [pid 7432] <... mmap resumed>) = 0x7f2f310b2000 [pid 7430] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] <... rseq resumed>) = 0 [pid 7441] ioctl(3, UFFDIO_API, NULL executing program [pid 7440] write(1, "executing program\n", 18 [pid 7439] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7432] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7430] <... futex resumed>) = 0 [pid 7442] set_robust_list(0x7f2f310d29a0, 24 [pid 7441] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7440] <... write resumed>) = 18 [pid 7438] <... futex resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [pid 7433] <... mprotect resumed>) = 0 [pid 7432] <... mprotect resumed>) = 0 [pid 7430] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7442] <... set_robust_list resumed>) = 0 [pid 7441] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7432] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7442] rt_sigprocmask(SIG_SETMASK, [], [pid 7441] <... futex resumed>) = 1 [pid 7440] <... futex resumed>) = 0 [pid 7439] <... futex resumed>) = 0 [pid 7433] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7432] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7439] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7442] ioctl(3, UFFDIO_REGISTER, NULL [pid 7441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7439] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7444 attached ./strace-static-x86_64: Process 7443 attached [pid 7442] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7441] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7439] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7444] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7443] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7442] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7444] <... rseq resumed>) = 0 [pid 7443] <... rseq resumed>) = 0 [pid 7442] <... futex resumed>) = 1 [pid 7441] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7433] <... clone3 resumed> => {parent_tid=[7443]}, 88) = 7443 [pid 7432] <... clone3 resumed> => {parent_tid=[7444]}, 88) = 7444 [pid 7430] <... futex resumed>) = 0 [pid 7444] set_robust_list(0x7f2f310d29a0, 24 [pid 7443] set_robust_list(0x7f2f310d29a0, 24 [pid 7442] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... mmap resumed>) = 0x7f2f310d3000 [pid 7433] rt_sigprocmask(SIG_SETMASK, [], [pid 7432] rt_sigprocmask(SIG_SETMASK, [], [pid 7430] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7444] <... set_robust_list resumed>) = 0 [pid 7443] <... set_robust_list resumed>) = 0 [pid 7441] <... futex resumed>) = 1 [pid 7440] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7439] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7430] <... futex resumed>) = 1 [pid 7444] rt_sigprocmask(SIG_SETMASK, [], [pid 7443] rt_sigprocmask(SIG_SETMASK, [], [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] <... mprotect resumed>) = 0 [pid 7439] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7433] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7435] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7440] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7435] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7444] ioctl(3, UFFDIO_REGISTER, NULL [pid 7443] ioctl(3, UFFDIO_REGISTER, NULL [pid 7441] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7439] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = 1 [pid 7433] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 7430] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7445 attached [pid 7444] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7443] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7439] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7430] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7444] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... clone3 resumed> => {parent_tid=[7445]}, 88) = 7445 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = 0 [pid 7445] <... rseq resumed>) = 0 [pid 7444] <... futex resumed>) = 0 [pid 7443] <... futex resumed>) = 0 [pid 7440] rt_sigprocmask(SIG_SETMASK, [], [pid 7435] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7433] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] set_robust_list(0x7f2f310f39a0, 24 [pid 7444] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7443] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7438] <... futex resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [pid 7435] <... madvise resumed>) = 0 [pid 7433] <... futex resumed>) = 1 [pid 7432] <... futex resumed>) = 1 [pid 7445] <... set_robust_list resumed>) = 0 [pid 7440] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7436] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7433] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] rt_sigprocmask(SIG_SETMASK, [], [pid 7438] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7436] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7440] <... futex resumed>) = 0 [pid 7440] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7438] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = 1 [pid 7433] <... futex resumed>) = 0 [pid 7445] userfaultfd(UFFD_USER_MODE_ONLY [pid 7438] <... futex resumed>) = 1 [pid 7436] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... futex resumed>) = 0 [pid 7445] <... userfaultfd resumed>) = 3 [pid 7438] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7433] <... futex resumed>) = 0 [pid 7432] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7436] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7433] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] <... futex resumed>) = 0 [pid 7445] <... futex resumed>) = 1 [pid 7440] <... futex resumed>) = 0 [pid 7438] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7436] <... madvise resumed>) = 0 [pid 7432] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7445] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7440] <... futex resumed>) = 0 [pid 7440] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] <... io_uring_register resumed>) = 0 [pid 7438] <... madvise resumed>) = 0 [pid 7435] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 1 [pid 7441] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = 0 [pid 7438] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = 1 [pid 7435] <... futex resumed>) = 1 [pid 7433] <... futex resumed>) = 0 [pid 7430] <... futex resumed>) = 0 [pid 7445] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] <... futex resumed>) = 1 [pid 7440] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = 0 [pid 7438] <... futex resumed>) = 1 [pid 7436] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7433] exit_group(0 [pid 7432] <... futex resumed>) = 0 [pid 7430] exit_group(0 [pid 7445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7443] <... futex resumed>) = ? [pid 7442] <... futex resumed>) = ? [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] <... futex resumed>) = 0 [pid 7439] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] <... futex resumed>) = ? [pid 7435] <... futex resumed>) = ? [pid 7433] <... exit_group resumed>) = ? [pid 7432] exit_group(0 [pid 7430] <... exit_group resumed>) = ? [pid 7445] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7443] +++ exited with 0 +++ [pid 7442] +++ exited with 0 +++ [pid 7441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] <... futex resumed>) = 0 [pid 7436] +++ exited with 0 +++ [pid 7435] +++ exited with 0 +++ [pid 7432] <... exit_group resumed>) = ? [pid 7430] +++ exited with 0 +++ [pid 7441] ioctl(3, UFFDIO_REGISTER, NULL [pid 7445] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7444] <... futex resumed>) = ? [pid 7439] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] <... futex resumed>) = ? [pid 7433] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7430, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7444] +++ exited with 0 +++ [pid 7441] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7441] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7445] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7439] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] +++ exited with 0 +++ [pid 7432] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7433, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 7445] <... futex resumed>) = 1 [pid 7441] <... futex resumed>) = 0 [pid 7440] <... futex resumed>) = 0 [pid 7439] <... futex resumed>) = 1 [pid 7445] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7440] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7432, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7440] <... futex resumed>) = 0 [pid 7445] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7441] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7441] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7448 attached ./strace-static-x86_64: Process 7447 attached ./strace-static-x86_64: Process 7446 attached [pid 7441] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7439] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7446 [pid 7448] set_robust_list(0x555592b0f6a0, 24 [pid 7446] set_robust_list(0x555592b0f6a0, 24 [pid 7448] <... set_robust_list resumed>) = 0 [pid 7446] <... set_robust_list resumed>) = 0 [pid 7448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7448 [pid 7446] <... prctl resumed>) = 0 [pid 7448] <... prctl resumed>) = 0 [pid 7446] setpgid(0, 0 [pid 7448] setpgid(0, 0 [pid 7446] <... setpgid resumed>) = 0 [pid 7448] <... setpgid resumed>) = 0 [pid 7448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7441] <... madvise resumed>) = 0 [pid 7439] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7447 [pid 7447] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7448] <... openat resumed>) = 3 [pid 7446] <... openat resumed>) = 3 [pid 7448] write(3, "1000", 4 [pid 7446] write(3, "1000", 4 [pid 7448] <... write resumed>) = 4 [pid 7446] <... write resumed>) = 4 [pid 7447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7441] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... prctl resumed>) = 0 [pid 7446] close(3 [pid 7441] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7448] close(3 [pid 7447] setpgid(0, 0 [pid 7446] <... close resumed>) = 0 [pid 7441] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] exit_group(0 [pid 7448] <... close resumed>) = 0 executing program executing program [pid 7447] <... setpgid resumed>) = 0 [pid 7446] write(1, "executing program\n", 18 [pid 7448] write(1, "executing program\n", 18 [pid 7441] <... futex resumed>) = ? [pid 7439] <... exit_group resumed>) = ? [pid 7446] <... write resumed>) = 18 [pid 7446] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... write resumed>) = 18 [pid 7446] <... futex resumed>) = 0 [pid 7448] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7448] <... futex resumed>) = 0 [pid 7446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7448] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7447] <... openat resumed>) = 3 [pid 7446] <... mmap resumed>) = 0x7f2f310d3000 [pid 7448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7446] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7447] write(3, "1000", 4 [pid 7446] <... mprotect resumed>) = 0 [pid 7448] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7441] +++ exited with 0 +++ [pid 7447] <... write resumed>) = 4 [pid 7439] +++ exited with 0 +++ [pid 7448] <... mprotect resumed>) = 0 [pid 7446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7439, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 7449 attached [pid 7448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7447] close(3 [pid 7449] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7447] <... close resumed>) = 0 [pid 7446] <... clone3 resumed> => {parent_tid=[7449]}, 88) = 7449 [pid 7449] <... rseq resumed>) = 0 [pid 7448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}executing program [pid 7447] write(1, "executing program\n", 18 [pid 7446] rt_sigprocmask(SIG_SETMASK, [], [pid 7445] <... io_uring_register resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7451 attached ./strace-static-x86_64: Process 7450 attached [pid 7449] set_robust_list(0x7f2f310f39a0, 24 [pid 7447] <... write resumed>) = 18 [pid 7446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7445] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7451] set_robust_list(0x555592b0f6a0, 24 [pid 7450] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7449] <... set_robust_list resumed>) = 0 [pid 7448] <... clone3 resumed> => {parent_tid=[7450]}, 88) = 7450 [pid 7447] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 0 [pid 7440] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7451 [pid 7451] <... set_robust_list resumed>) = 0 [pid 7449] rt_sigprocmask(SIG_SETMASK, [], [pid 7448] rt_sigprocmask(SIG_SETMASK, [], [pid 7447] <... futex resumed>) = 0 [pid 7446] <... futex resumed>) = 0 [pid 7445] ioctl(3, UFFDIO_REGISTER, NULL [pid 7440] <... futex resumed>) = 0 [pid 7450] <... rseq resumed>) = 0 [pid 7451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7450] set_robust_list(0x7f2f310f39a0, 24 [pid 7449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7447] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7446] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7440] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... prctl resumed>) = 0 [pid 7450] <... set_robust_list resumed>) = 0 [pid 7449] userfaultfd(UFFD_USER_MODE_ONLY [pid 7448] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7445] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7451] setpgid(0, 0 [pid 7450] rt_sigprocmask(SIG_SETMASK, [], [pid 7449] <... userfaultfd resumed>) = 3 [pid 7447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7445] <... futex resumed>) = 0 [pid 7440] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... setpgid resumed>) = 0 [pid 7449] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7445] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7440] <... futex resumed>) = 0 [pid 7451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7449] <... futex resumed>) = 1 [pid 7447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7445] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7440] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... openat resumed>) = 3 [pid 7450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7449] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] <... futex resumed>) = 0 [pid 7447] <... mmap resumed>) = 0x7f2f310d3000 [pid 7446] <... futex resumed>) = 0 [pid 7445] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7451] write(3, "1000", 4 [pid 7450] userfaultfd(UFFD_USER_MODE_ONLY [pid 7448] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7446] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 0 [pid 7440] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... write resumed>) = 4 [pid 7450] <... userfaultfd resumed>) = 3 [pid 7449] <... futex resumed>) = 0 [pid 7447] <... mprotect resumed>) = 0 [pid 7446] <... futex resumed>) = 1 [pid 7445] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7440] <... futex resumed>) = 0 [pid 7451] close(3 [pid 7450] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] ioctl(3, UFFDIO_API, NULL [pid 7447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7446] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] <... madvise resumed>) = 0 [pid 7440] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... close resumed>) = 0 [pid 7450] <... futex resumed>) = 1 [pid 7449] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7448] <... futex resumed>) = 0 [pid 7447] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 7451] write(1, "executing program\n", 18 [pid 7450] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7452 attached [pid 7451] <... write resumed>) = 18 [pid 7450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7449] <... futex resumed>) = 1 [pid 7448] <... futex resumed>) = 0 [pid 7446] <... futex resumed>) = 0 [pid 7445] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7451] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] ioctl(3, UFFDIO_API, NULL [pid 7449] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] <... clone3 resumed> => {parent_tid=[7452]}, 88) = 7452 [pid 7446] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 1 [pid 7440] <... futex resumed>) = 0 [pid 7452] <... rseq resumed>) = 0 [pid 7451] <... futex resumed>) = 0 [pid 7450] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7447] rt_sigprocmask(SIG_SETMASK, [], [pid 7446] <... futex resumed>) = 0 [pid 7445] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] exit_group(0 [pid 7452] set_robust_list(0x7f2f310f39a0, 24 [pid 7451] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7450] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7446] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] <... futex resumed>) = ? [pid 7440] <... exit_group resumed>) = ? [pid 7452] <... set_robust_list resumed>) = 0 [pid 7451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7450] <... futex resumed>) = 1 [pid 7449] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7448] <... futex resumed>) = 0 [pid 7447] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] +++ exited with 0 +++ [pid 7440] +++ exited with 0 +++ [pid 7452] rt_sigprocmask(SIG_SETMASK, [], [pid 7451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7450] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... futex resumed>) = 0 [pid 7452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7449] <... futex resumed>) = 1 [pid 7448] <... futex resumed>) = 0 [pid 7447] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7446] <... futex resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7440, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7452] userfaultfd(UFFD_USER_MODE_ONLY [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7450] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7449] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7446] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7452] <... userfaultfd resumed>) = 3 [pid 7451] <... mmap resumed>) = 0x7f2f310d3000 [pid 7450] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7450] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7446] <... futex resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7452] <... futex resumed>) = 1 [pid 7451] <... mprotect resumed>) = 0 [pid 7450] <... futex resumed>) = 1 [pid 7448] <... futex resumed>) = 0 [pid 7447] <... futex resumed>) = 0 [pid 7446] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7450] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7448] <... futex resumed>) = 0 [pid 7447] <... futex resumed>) = 0 [pid 7452] ioctl(3, UFFDIO_API, NULL [pid 7451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7450] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7448] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7453 attached [pid 7452] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7452] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... clone3 resumed> => {parent_tid=[7453]}, 88) = 7453 [pid 7451] rt_sigprocmask(SIG_SETMASK, [], [pid 7453] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7452] <... futex resumed>) = 1 [pid 7451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7447] <... futex resumed>) = 0 [pid 7453] <... rseq resumed>) = 0 [pid 7451] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = 0 [pid 7447] <... futex resumed>) = 0 [pid 7453] set_robust_list(0x7f2f310f39a0, 24 [pid 7452] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7451] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7453] <... set_robust_list resumed>) = 0 [pid 7453] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7454 attached NULL, 8) = 0 [pid 7452] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7453] userfaultfd(UFFD_USER_MODE_ONLY [pid 7454] set_robust_list(0x555592b0f6a0, 24 [pid 7453] <... userfaultfd resumed>) = 3 [pid 7453] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... set_robust_list resumed>) = 0 [pid 7451] <... futex resumed>) = 0 [pid 7453] <... futex resumed>) = 1 [pid 7451] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] ioctl(3, UFFDIO_API, NULL [pid 7451] <... futex resumed>) = 0 [pid 7454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7451] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7454] <... prctl resumed>) = 0 [pid 7453] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7454] setpgid(0, 0 [pid 7453] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = 0 [pid 7452] <... futex resumed>) = 1 [pid 7453] <... futex resumed>) = 1 [pid 7451] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... futex resumed>) = 0 [pid 7451] <... futex resumed>) = 0 [pid 7447] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] <... futex resumed>) = 0 [pid 7453] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7452] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7447] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7454 [pid 7454] <... setpgid resumed>) = 0 [pid 7454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7454] write(3, "1000", 4) = 4 executing program [pid 7454] close(3) = 0 [pid 7454] write(1, "executing program\n", 18) = 18 [pid 7454] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7453] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7454] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7454] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7453] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... clone3 resumed> => {parent_tid=[7455]}, 88) = 7455 ./strace-static-x86_64: Process 7455 attached [pid 7454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7455] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7454] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... rseq resumed>) = 0 [pid 7454] <... futex resumed>) = 0 [pid 7455] set_robust_list(0x7f2f310f39a0, 24 [pid 7454] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] <... set_robust_list resumed>) = 0 [pid 7455] rt_sigprocmask(SIG_SETMASK, [], [pid 7453] <... futex resumed>) = 1 [pid 7451] <... futex resumed>) = 0 [pid 7455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7455] userfaultfd(UFFD_USER_MODE_ONLY [pid 7451] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... userfaultfd resumed>) = 3 [pid 7451] <... futex resumed>) = 0 [pid 7455] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7455] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7454] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7455] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7454] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7455] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7454] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7455] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7454] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7454] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7448] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7448] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = 0 [pid 7446] <... futex resumed>) = 0 [pid 7448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7447] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7451] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7454] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7454] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7454] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7454] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7456 attached => {parent_tid=[7456]}, 88) = 7456 [pid 7454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7454] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7454] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7456] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7456] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7456] ioctl(3, UFFDIO_REGISTER, NULL [pid 7455] <... io_uring_register resumed>) = 0 [pid 7456] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7456] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7455] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... futex resumed>) = 0 [pid 7456] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7455] <... futex resumed>) = 0 [pid 7454] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7454] <... futex resumed>) = 0 [pid 7455] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] <... io_uring_register resumed>) = 0 [pid 7446] <... mmap resumed>) = 0x7f2f310b2000 [pid 7446] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7455] <... futex resumed>) = 0 [pid 7454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7446] <... mprotect resumed>) = 0 [pid 7455] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7454] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... madvise resumed>) = 0 [pid 7454] <... futex resumed>) = 0 [pid 7446] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7454] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7449] <... futex resumed>) = 0 [pid 7446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7448] <... mmap resumed>) = 0x7f2f310b2000 ./strace-static-x86_64: Process 7457 attached [pid 7449] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7457] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7448] <... mprotect resumed>) = 0 [pid 7446] <... clone3 resumed> => {parent_tid=[7457]}, 88) = 7457 [pid 7457] set_robust_list(0x7f2f310d29a0, 24 [pid 7450] <... io_uring_register resumed>) = 0 [pid 7446] rt_sigprocmask(SIG_SETMASK, [], [pid 7457] <... set_robust_list resumed>) = 0 [pid 7446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7457] rt_sigprocmask(SIG_SETMASK, [], [pid 7448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7446] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7446] <... futex resumed>) = 0 [pid 7457] ioctl(3, UFFDIO_REGISTER, NULL [pid 7448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7446] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7450] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7458 attached [pid 7457] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... futex resumed>) = 0 [pid 7446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7457] <... futex resumed>) = 0 [pid 7455] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] <... io_uring_register resumed>) = 0 [pid 7452] <... io_uring_register resumed>) = 0 [pid 7451] <... mmap resumed>) = 0x7f2f310b2000 [pid 7450] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] <... clone3 resumed> => {parent_tid=[7458]}, 88) = 7458 [pid 7447] <... mmap resumed>) = 0x7f2f310b2000 [pid 7446] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... rseq resumed>) = 0 [pid 7457] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7455] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7453] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7449] <... futex resumed>) = 0 [pid 7448] rt_sigprocmask(SIG_SETMASK, [], [pid 7447] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7446] <... futex resumed>) = 1 [pid 7458] set_robust_list(0x7f2f310d29a0, 24 [pid 7453] <... futex resumed>) = 0 [pid 7451] <... mprotect resumed>) = 0 [pid 7449] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7458] <... set_robust_list resumed>) = 0 [pid 7453] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7448] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... mprotect resumed>) = 0 [pid 7446] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] rt_sigprocmask(SIG_SETMASK, [], [pid 7451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7449] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = 0 [pid 7458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7449] <... futex resumed>) = 0 [pid 7448] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] ioctl(3, UFFDIO_REGISTER, NULL [pid 7455] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] exit_group(0 [pid 7451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7449] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7446] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7456] <... futex resumed>) = ? [pid 7455] <... futex resumed>) = ? [pid 7454] <... exit_group resumed>) = ? [pid 7458] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] +++ exited with 0 +++ [pid 7447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7446] <... futex resumed>) = 0 [pid 7455] +++ exited with 0 +++ [pid 7454] +++ exited with 0 +++ [pid 7446] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7459 attached [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7454, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 7460 attached [pid 7459] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7458] <... futex resumed>) = 1 [pid 7452] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] <... madvise resumed>) = 0 [pid 7448] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7459] <... rseq resumed>) = 0 [pid 7447] <... clone3 resumed> => {parent_tid=[7459]}, 88) = 7459 [pid 7459] set_robust_list(0x7f2f310d29a0, 24 [pid 7458] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7459] <... set_robust_list resumed>) = 0 [pid 7452] <... futex resumed>) = 0 [pid 7451] <... clone3 resumed> => {parent_tid=[7460]}, 88) = 7460 [pid 7450] <... futex resumed>) = 0 [pid 7449] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = 1 [pid 7447] rt_sigprocmask(SIG_SETMASK, [], [pid 7460] <... rseq resumed>) = 0 [pid 7459] rt_sigprocmask(SIG_SETMASK, [], [pid 7452] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] rt_sigprocmask(SIG_SETMASK, [], [pid 7450] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7449] <... futex resumed>) = 1 [pid 7448] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7446] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7460] set_robust_list(0x7f2f310d29a0, 24 [pid 7459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7450] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7449] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7447] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] exit_group(0 [pid 7460] <... set_robust_list resumed>) = 0 [pid 7451] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] rt_sigprocmask(SIG_SETMASK, [], [pid 7451] <... futex resumed>) = 0 [pid 7460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7459] ioctl(3, UFFDIO_REGISTER, NULL [pid 7457] <... futex resumed>) = ? [pid 7451] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7450] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7447] <... futex resumed>) = 0 [pid 7446] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7461 attached [pid 7460] ioctl(3, UFFDIO_REGISTER, NULL [pid 7459] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7457] +++ exited with 0 +++ [pid 7450] <... futex resumed>) = 0 [pid 7449] <... futex resumed>) = ? [pid 7448] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7461 [pid 7459] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7448] <... futex resumed>) = 0 [pid 7447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7459] <... futex resumed>) = 0 [pid 7461] set_robust_list(0x555592b0f6a0, 24 [pid 7460] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7461] <... set_robust_list resumed>) = 0 [pid 7460] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7460] <... futex resumed>) = 1 [pid 7451] <... futex resumed>) = 0 [pid 7461] <... prctl resumed>) = 0 [pid 7460] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] setpgid(0, 0 [pid 7459] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] <... futex resumed>) = 1 [pid 7449] +++ exited with 0 +++ [pid 7447] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] +++ exited with 0 +++ [pid 7461] <... setpgid resumed>) = 0 [pid 7453] <... futex resumed>) = 0 [pid 7451] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7448] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7453] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7452] <... futex resumed>) = 0 [pid 7447] <... futex resumed>) = 1 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7453] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7452] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7461] write(3, "1000", 4 [pid 7453] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7447] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 7461] <... write resumed>) = 4 [pid 7453] <... futex resumed>) = 1 [pid 7452] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] <... futex resumed>) = 0 [pid 7447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7461] close(3 [pid 7453] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] <... futex resumed>) = 0 [pid 7451] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... madvise resumed>) = 0 [pid 7447] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7450] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7453] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7447] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] <... futex resumed>) = 0 [pid 7451] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7461] <... close resumed>) = 0 [pid 7452] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7461] write(1, "executing program\n", 18 [pid 7453] <... madvise resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7462 ./strace-static-x86_64: Process 7462 attached [pid 7461] <... write resumed>) = 18 [pid 7462] set_robust_list(0x555592b0f6a0, 24executing program [pid 7461] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7462] <... set_robust_list resumed>) = 0 [pid 7461] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7453] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... futex resumed>) = 1 [pid 7448] <... futex resumed>) = 0 [pid 7462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7462] <... prctl resumed>) = 0 [pid 7461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7453] <... futex resumed>) = 1 [pid 7451] <... futex resumed>) = 0 [pid 7450] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] exit_group(0 [pid 7462] setpgid(0, 0 [pid 7461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7453] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] exit_group(0 [pid 7448] <... exit_group resumed>) = ? [pid 7450] <... futex resumed>) = ? [pid 7462] <... setpgid resumed>) = 0 [pid 7461] <... mmap resumed>) = 0x7f2f310d3000 [pid 7460] <... futex resumed>) = ? [pid 7458] <... futex resumed>) = ? [pid 7453] <... futex resumed>) = ? [pid 7452] <... madvise resumed>) = 0 [pid 7451] <... exit_group resumed>) = ? [pid 7461] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7460] +++ exited with 0 +++ [pid 7450] +++ exited with 0 +++ [pid 7461] <... mprotect resumed>) = 0 [pid 7461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7463 attached [pid 7463] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7461] <... clone3 resumed> => {parent_tid=[7463]}, 88) = 7463 [pid 7463] <... rseq resumed>) = 0 [pid 7461] rt_sigprocmask(SIG_SETMASK, [], [pid 7463] set_robust_list(0x7f2f310f39a0, 24 [pid 7462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7463] <... set_robust_list resumed>) = 0 [pid 7461] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] rt_sigprocmask(SIG_SETMASK, [], [pid 7461] <... futex resumed>) = 0 [pid 7463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7461] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7463] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7461] <... futex resumed>) = 0 [pid 7463] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7461] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] +++ exited with 0 +++ [pid 7448] +++ exited with 0 +++ [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7461] <... futex resumed>) = 0 [pid 7463] ioctl(3, UFFDIO_API, NULL [pid 7462] <... openat resumed>) = 3 [pid 7461] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7462] write(3, "1000", 4 [pid 7453] +++ exited with 0 +++ [pid 7451] +++ exited with 0 +++ [pid 7452] <... futex resumed>) = 1 [pid 7447] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7448, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7463] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... write resumed>) = 4 [pid 7463] <... futex resumed>) = 1 [pid 7462] close(3 [pid 7461] <... futex resumed>) = 0 [pid 7452] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7447] exit_group(0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7451, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7463] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] <... close resumed>) = 0 [pid 7461] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... futex resumed>) = ? [pid 7452] <... futex resumed>) = ? [pid 7447] <... exit_group resumed>) = ? [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7462] write(1, "executing program\n", 18 [pid 7461] <... futex resumed>) = 0 [pid 7459] +++ exited with 0 +++ [pid 7463] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7461] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7452] +++ exited with 0 +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7463] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7462] <... write resumed>) = 18 [pid 7447] +++ exited with 0 +++ [pid 7462] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7447, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7464 attached [pid 7463] <... futex resumed>) = 1 [pid 7462] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7461] <... futex resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7465 attached [pid 7464] set_robust_list(0x555592b0f6a0, 24 [pid 7463] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7461] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7464 [pid 7465] set_robust_list(0x555592b0f6a0, 24 [pid 7464] <... set_robust_list resumed>) = 0 [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7461] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7465 [pid 7465] <... set_robust_list resumed>) = 0 [pid 7464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7463] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7461] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7465] <... prctl resumed>) = 0 [pid 7464] <... prctl resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7462] <... mmap resumed>) = 0x7f2f310d3000 [pid 7462] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[7466]}, 88) = 7466 ./strace-static-x86_64: Process 7466 attached [pid 7462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7462] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7462] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7466] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7466] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7466] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7462] <... futex resumed>) = 0 [pid 7462] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7466] ioctl(3, UFFDIO_API, NULL [pid 7462] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] setpgid(0, 0 [pid 7464] setpgid(0, 0 [pid 7466] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7466] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... futex resumed>) = 0 [pid 7462] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7467 attached [pid 7464] <... setpgid resumed>) = 0 [pid 7465] <... setpgid resumed>) = 0 [pid 7462] <... futex resumed>) = 0 [pid 7462] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] <... futex resumed>) = 1 [pid 7466] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7467] set_robust_list(0x555592b0f6a0, 24 [pid 7466] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... set_robust_list resumed>) = 0 [pid 7464] <... openat resumed>) = 3 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7467 [pid 7466] <... futex resumed>) = 1 [pid 7465] <... openat resumed>) = 3 [pid 7462] <... futex resumed>) = 0 [pid 7467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7464] write(3, "1000", 4 [pid 7467] <... prctl resumed>) = 0 [pid 7465] write(3, "1000", 4 [pid 7467] setpgid(0, 0 [pid 7466] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7465] <... write resumed>) = 4 [pid 7464] <... write resumed>) = 4 [pid 7462] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... setpgid resumed>) = 0 [pid 7465] close(3 [pid 7464] close(3 [pid 7462] <... futex resumed>) = 0 [pid 7462] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... close resumed>) = 0 [pid 7464] <... close resumed>) = 0 executing program [pid 7467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7465] write(1, "executing program\n", 18 [pid 7464] write(1, "executing program\n", 18 [pid 7465] <... write resumed>) = 18 executing program [pid 7467] <... openat resumed>) = 3 [pid 7465] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... write resumed>) = 18 [pid 7465] <... futex resumed>) = 0 [pid 7464] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7464] <... futex resumed>) = 0 [pid 7465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7464] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7461] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7461] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... mmap resumed>) = 0x7f2f310d3000 [pid 7464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7461] <... futex resumed>) = 0 [pid 7465] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7465] <... mprotect resumed>) = 0 [pid 7464] <... mmap resumed>) = 0x7f2f310d3000 [pid 7465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7464] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7467] write(3, "1000", 4 [pid 7465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7464] <... mprotect resumed>) = 0 [pid 7464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7467] <... write resumed>) = 4 [pid 7465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7464] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7468 attached [pid 7467] close(3 [pid 7464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7468] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053executing program [pid 7465] <... clone3 resumed> => {parent_tid=[7468]}, 88) = 7468 ./strace-static-x86_64: Process 7469 attached [pid 7468] <... rseq resumed>) = 0 [pid 7467] <... close resumed>) = 0 [pid 7465] rt_sigprocmask(SIG_SETMASK, [], [pid 7469] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7467] write(1, "executing program\n", 18 [pid 7465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7464] <... clone3 resumed> => {parent_tid=[7469]}, 88) = 7469 [pid 7469] <... rseq resumed>) = 0 [pid 7468] set_robust_list(0x7f2f310f39a0, 24 [pid 7467] <... write resumed>) = 18 [pid 7465] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] rt_sigprocmask(SIG_SETMASK, [], [pid 7469] set_robust_list(0x7f2f310f39a0, 24 [pid 7468] <... set_robust_list resumed>) = 0 [pid 7467] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = 0 [pid 7464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7469] <... set_robust_list resumed>) = 0 [pid 7468] rt_sigprocmask(SIG_SETMASK, [], [pid 7467] <... futex resumed>) = 0 [pid 7465] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] rt_sigprocmask(SIG_SETMASK, [], [pid 7468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7467] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7464] <... futex resumed>) = 0 [pid 7469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7468] userfaultfd(UFFD_USER_MODE_ONLY [pid 7467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7464] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] userfaultfd(UFFD_USER_MODE_ONLY [pid 7468] <... userfaultfd resumed>) = 3 [pid 7467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7463] <... io_uring_register resumed>) = 0 [pid 7461] <... mmap resumed>) = 0x7f2f310b2000 [pid 7469] <... userfaultfd resumed>) = 3 [pid 7468] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7463] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7469] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 1 [pid 7467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7465] <... futex resumed>) = 0 [pid 7463] <... futex resumed>) = 0 [pid 7461] <... mprotect resumed>) = 0 [pid 7469] <... futex resumed>) = 1 [pid 7468] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] <... mmap resumed>) = 0x7f2f310d3000 [pid 7465] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = 0 [pid 7463] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7469] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7467] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7465] <... futex resumed>) = 0 [pid 7464] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] ioctl(3, UFFDIO_API, NULL [pid 7467] <... mprotect resumed>) = 0 [pid 7465] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] <... futex resumed>) = 0 [pid 7461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7470 attached [pid 7469] ioctl(3, UFFDIO_API, NULL [pid 7468] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7464] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7468] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... clone3 resumed> => {parent_tid=[7470]}, 88) = 7470 [pid 7470] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7469] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 1 [pid 7467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7465] <... futex resumed>) = 0 [pid 7461] rt_sigprocmask(SIG_SETMASK, [], [pid 7470] <... rseq resumed>) = 0 [pid 7469] <... futex resumed>) = 1 [pid 7468] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7465] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = 0 [pid 7461] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7471 attached [pid 7470] set_robust_list(0x7f2f310d29a0, 24 [pid 7469] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7465] <... futex resumed>) = 0 [pid 7464] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7464] <... futex resumed>) = 0 [pid 7468] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7461] <... futex resumed>) = 0 [pid 7471] <... rseq resumed>) = 0 [pid 7469] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7467] <... clone3 resumed> => {parent_tid=[7471]}, 88) = 7471 [pid 7470] <... set_robust_list resumed>) = 0 [pid 7465] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7461] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7471] set_robust_list(0x7f2f310f39a0, 24 [pid 7470] rt_sigprocmask(SIG_SETMASK, [], [pid 7469] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7468] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7467] rt_sigprocmask(SIG_SETMASK, [], [pid 7470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7470] ioctl(3, UFFDIO_REGISTER, NULL [pid 7471] <... set_robust_list resumed>) = 0 [pid 7469] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7466] <... io_uring_register resumed>) = 0 [pid 7462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7470] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7471] rt_sigprocmask(SIG_SETMASK, [], [pid 7470] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = 1 [pid 7468] <... futex resumed>) = 1 [pid 7467] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = 0 [pid 7464] <... futex resumed>) = 0 [pid 7462] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7470] <... futex resumed>) = 1 [pid 7469] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] <... futex resumed>) = 0 [pid 7466] <... futex resumed>) = 0 [pid 7465] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... futex resumed>) = 0 [pid 7461] <... futex resumed>) = 0 [pid 7471] userfaultfd(UFFD_USER_MODE_ONLY [pid 7470] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7467] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] ioctl(3, UFFDIO_REGISTER, NULL [pid 7465] <... futex resumed>) = 0 [pid 7464] <... futex resumed>) = 0 [pid 7461] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... userfaultfd resumed>) = 3 [pid 7469] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7468] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7466] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7465] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] <... futex resumed>) = 0 [pid 7462] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7461] <... futex resumed>) = 1 [pid 7471] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7461] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7463] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = 1 [pid 7463] <... futex resumed>) = 1 [pid 7461] <... futex resumed>) = 0 [pid 7471] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7463] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7461] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... futex resumed>) = 0 [pid 7466] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = 0 [pid 7461] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7467] <... futex resumed>) = 0 [pid 7466] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7467] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7471] <... futex resumed>) = 0 [pid 7467] <... futex resumed>) = 1 [pid 7471] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7467] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7471] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7471] <... futex resumed>) = 0 [pid 7467] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7466] <... futex resumed>) = 0 [pid 7462] <... futex resumed>) = 1 [pid 7471] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7467] <... futex resumed>) = 0 [pid 7466] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7471] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7471] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = 0 [pid 7467] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = 0 [pid 7467] <... futex resumed>) = 1 [pid 7471] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7467] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] <... madvise resumed>) = 0 [pid 7462] <... futex resumed>) = 1 [pid 7466] <... futex resumed>) = 0 [pid 7466] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED) = 0 [pid 7462] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7461] <... futex resumed>) = 0 [pid 7461] exit_group(0) = ? [pid 7470] <... futex resumed>) = ? [pid 7470] +++ exited with 0 +++ [pid 7466] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7466] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7463] +++ exited with 0 +++ [pid 7461] +++ exited with 0 +++ [pid 7462] <... futex resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7461, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7462] exit_group(0 [pid 7464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7464] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7464] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7472 attached => {parent_tid=[7472]}, 88) = 7472 [pid 7464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7472] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7464] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7464] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7472] <... rseq resumed>) = 0 [pid 7472] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7472] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7472] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7464] <... futex resumed>) = 0 [pid 7472] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7469] <... io_uring_register resumed>) = 0 [pid 7464] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7464] <... futex resumed>) = 0 [pid 7472] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7464] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7472] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7469] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] <... futex resumed>) = ? [pid 7465] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7462] <... exit_group resumed>) = ? [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7472] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = 0 [pid 7466] +++ exited with 0 +++ ./strace-static-x86_64: Process 7473 attached [pid 7472] <... futex resumed>) = 1 [pid 7468] <... io_uring_register resumed>) = 0 [pid 7467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7465] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = 0 [pid 7462] +++ exited with 0 +++ [pid 7473] set_robust_list(0x555592b0f6a0, 24 [pid 7472] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7469] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = 0 [pid 7464] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7473 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7462, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7473] <... set_robust_list resumed>) = 0 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7467] <... futex resumed>) = 0 [pid 7465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7464] <... futex resumed>) = 0 [pid 7473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7469] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7468] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7465] <... mmap resumed>) = 0x7f2f310b2000 [pid 7464] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] <... prctl resumed>) = 0 [pid 7465] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7474 attached [pid 7465] <... mprotect resumed>) = 0 [pid 7474] set_robust_list(0x555592b0f6a0, 24 [pid 7465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7474 [pid 7474] <... set_robust_list resumed>) = 0 [pid 7465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7475 attached [pid 7474] <... prctl resumed>) = 0 [pid 7475] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7474] setpgid(0, 0 [pid 7465] <... clone3 resumed> => {parent_tid=[7475]}, 88) = 7475 [pid 7475] <... rseq resumed>) = 0 [pid 7474] <... setpgid resumed>) = 0 [pid 7465] rt_sigprocmask(SIG_SETMASK, [], [pid 7475] set_robust_list(0x7f2f310d29a0, 24 [pid 7474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7475] <... set_robust_list resumed>) = 0 [pid 7474] <... openat resumed>) = 3 [pid 7465] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] rt_sigprocmask(SIG_SETMASK, [], [pid 7465] <... futex resumed>) = 0 [pid 7475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7474] write(3, "1000", 4 [pid 7473] setpgid(0, 0 [pid 7465] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] ioctl(3, UFFDIO_REGISTER, NULL [pid 7474] <... write resumed>) = 4 [pid 7473] <... setpgid resumed>) = 0 [pid 7475] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7474] close(3 [pid 7475] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] <... close resumed>) = 0 [pid 7475] <... futex resumed>) = 1 [pid 7474] write(1, "executing program\n", 18 [pid 7469] <... madvise resumed>) = 0 [pid 7465] <... futex resumed>) = 0 executing program [pid 7475] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] <... write resumed>) = 18 [pid 7473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7465] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] <... futex resumed>) = 0 [pid 7465] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7468] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7465] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7474] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7468] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7474] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7468] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... openat resumed>) = 3 [pid 7468] <... futex resumed>) = 1 [pid 7465] <... futex resumed>) = 0 [pid 7467] <... mmap resumed>) = 0x7f2f310b2000 [pid 7474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7473] write(3, "1000", 4 [pid 7471] <... io_uring_register resumed>) = 0 [pid 7469] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7468] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7467] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7465] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7473] <... write resumed>) = 4 [pid 7471] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = 1 [pid 7465] <... futex resumed>) = 0 [pid 7464] <... futex resumed>) = 0 [pid 7474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7473] close(3 [pid 7471] <... futex resumed>) = 0 [pid 7469] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] <... mprotect resumed>) = 0 [pid 7465] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] <... close resumed>) = 0 [pid 7471] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7464] exit_group(0 [pid 7474] <... mmap resumed>) = 0x7f2f310d3000 [pid 7473] write(1, "executing program\n", 18executing program [pid 7472] <... futex resumed>) = ? [pid 7469] <... futex resumed>) = ? [pid 7467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7464] <... exit_group resumed>) = ? [pid 7474] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7473] <... write resumed>) = 18 [pid 7472] +++ exited with 0 +++ [pid 7469] +++ exited with 0 +++ [pid 7468] <... madvise resumed>) = 0 [pid 7467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7474] <... mprotect resumed>) = 0 [pid 7473] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7467] <... clone3 resumed> => {parent_tid=[7476]}, 88) = 7476 ./strace-static-x86_64: Process 7476 attached [pid 7474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7473] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7467] rt_sigprocmask(SIG_SETMASK, [], [pid 7464] +++ exited with 0 +++ [pid 7476] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7473] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7476] <... rseq resumed>) = 0 [pid 7474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7467] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7464, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7476] set_robust_list(0x7f2f310d29a0, 24 [pid 7474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7468] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7477 attached [pid 7476] <... set_robust_list resumed>) = 0 [pid 7473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7468] <... futex resumed>) = 1 [pid 7467] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... futex resumed>) = 0 [pid 7477] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7476] rt_sigprocmask(SIG_SETMASK, [], [pid 7474] <... clone3 resumed> => {parent_tid=[7477]}, 88) = 7477 [pid 7473] <... mmap resumed>) = 0x7f2f310d3000 [pid 7468] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7465] exit_group(0 [pid 7476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7475] <... futex resumed>) = ? [pid 7474] rt_sigprocmask(SIG_SETMASK, [], [pid 7473] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7468] <... futex resumed>) = ? [pid 7465] <... exit_group resumed>) = ? [pid 7477] <... rseq resumed>) = 0 [pid 7476] ioctl(3, UFFDIO_REGISTER, NULL [pid 7475] +++ exited with 0 +++ [pid 7474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7473] <... mprotect resumed>) = 0 [pid 7468] +++ exited with 0 +++ [pid 7465] +++ exited with 0 +++ [pid 7477] set_robust_list(0x7f2f310f39a0, 24 [pid 7476] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7474] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7465, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7477] <... set_robust_list resumed>) = 0 [pid 7476] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] <... futex resumed>) = 0 [pid 7473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7477] rt_sigprocmask(SIG_SETMASK, [], [pid 7476] <... futex resumed>) = 1 [pid 7474] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7467] <... futex resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7476] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7467] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] userfaultfd(UFFD_USER_MODE_ONLY [pid 7471] <... futex resumed>) = 0 [pid 7467] <... futex resumed>) = 1 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7479 attached ./strace-static-x86_64: Process 7478 attached [pid 7477] <... userfaultfd resumed>) = 3 [pid 7473] <... clone3 resumed> => {parent_tid=[7478]}, 88) = 7478 [pid 7471] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7467] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7479] set_robust_list(0x555592b0f6a0, 24 [pid 7478] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7477] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] rt_sigprocmask(SIG_SETMASK, [], [pid 7471] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7479 ./strace-static-x86_64: Process 7480 attached [pid 7479] <... set_robust_list resumed>) = 0 [pid 7478] <... rseq resumed>) = 0 [pid 7477] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7471] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7480 [pid 7480] set_robust_list(0x555592b0f6a0, 24 [pid 7479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7478] set_robust_list(0x7f2f310f39a0, 24 [pid 7477] ioctl(3, UFFDIO_API, NULL [pid 7474] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = 1 [pid 7467] <... futex resumed>) = 0 [pid 7480] <... set_robust_list resumed>) = 0 [pid 7479] <... prctl resumed>) = 0 [pid 7478] <... set_robust_list resumed>) = 0 [pid 7477] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7474] <... futex resumed>) = 0 [pid 7473] <... futex resumed>) = 0 [pid 7471] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7479] setpgid(0, 0 [pid 7478] rt_sigprocmask(SIG_SETMASK, [], [pid 7477] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7467] <... futex resumed>) = 0 [pid 7480] <... prctl resumed>) = 0 [pid 7479] <... setpgid resumed>) = 0 [pid 7478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7477] <... futex resumed>) = 0 [pid 7474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7471] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7467] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] userfaultfd(UFFD_USER_MODE_ONLY [pid 7477] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... userfaultfd resumed>) = 3 [pid 7474] <... futex resumed>) = 0 [pid 7478] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... futex resumed>) = 1 [pid 7473] <... futex resumed>) = 0 [pid 7478] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7473] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7473] <... futex resumed>) = 0 [pid 7478] ioctl(3, UFFDIO_API, NULL [pid 7473] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7478] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] setpgid(0, 0 [pid 7479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7471] <... madvise resumed>) = 0 [pid 7480] <... setpgid resumed>) = 0 [pid 7477] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7478] <... futex resumed>) = 1 [pid 7473] <... futex resumed>) = 0 [pid 7478] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7473] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... openat resumed>) = 3 [pid 7478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7477] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7473] <... futex resumed>) = 0 [pid 7479] write(3, "1000", 4 [pid 7478] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7473] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7479] <... write resumed>) = 4 [pid 7477] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] close(3 [pid 7477] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7480] <... openat resumed>) = 3 [pid 7479] <... close resumed>) = 0 [pid 7478] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7477] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7474] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] write(3, "1000", 4 [pid 7479] write(1, "executing program\n", 18 [pid 7474] <... futex resumed>) = 0 [pid 7471] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7473] <... futex resumed>) = 0 [pid 7478] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7473] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7479] <... write resumed>) = 18 [pid 7473] <... futex resumed>) = 0 [pid 7471] <... futex resumed>) = 1 [pid 7467] <... futex resumed>) = 0 [pid 7479] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] exit_group(0 [pid 7479] <... futex resumed>) = 0 [pid 7480] <... write resumed>) = 4 [pid 7467] <... exit_group resumed>) = ? [pid 7479] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7480] close(3 [pid 7479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7480] <... close resumed>) = 0 [pid 7479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7480] write(1, "executing program\n", 18 [pid 7479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7476] <... futex resumed>) = ? executing program [pid 7480] <... write resumed>) = 18 [pid 7479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7471] +++ exited with 0 +++ [pid 7476] +++ exited with 0 +++ [pid 7467] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7467, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7479] <... mmap resumed>) = 0x7f2f310d3000 [pid 7480] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7479] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7480] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7479] <... mprotect resumed>) = 0 [pid 7480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7481 ./strace-static-x86_64: Process 7481 attached [pid 7479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7481] set_robust_list(0x555592b0f6a0, 24 [pid 7480] <... mmap resumed>) = 0x7f2f310d3000 [pid 7481] <... set_robust_list resumed>) = 0 [pid 7480] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7480] <... mprotect resumed>) = 0 [pid 7479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7481] <... prctl resumed>) = 0 [pid 7480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7480] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7482 attached [pid 7481] setpgid(0, 0 [pid 7480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7482] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 7483 attached ) = 0 [pid 7481] <... setpgid resumed>) = 0 [pid 7479] <... clone3 resumed> => {parent_tid=[7482]}, 88) = 7482 [pid 7482] set_robust_list(0x7f2f310f39a0, 24 [pid 7480] <... clone3 resumed> => {parent_tid=[7483]}, 88) = 7483 [pid 7479] rt_sigprocmask(SIG_SETMASK, [], [pid 7482] <... set_robust_list resumed>) = 0 [pid 7480] rt_sigprocmask(SIG_SETMASK, [], [pid 7479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7482] rt_sigprocmask(SIG_SETMASK, [], [pid 7480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7479] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7480] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = 0 [pid 7482] userfaultfd(UFFD_USER_MODE_ONLY [pid 7480] <... futex resumed>) = 0 [pid 7479] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] <... userfaultfd resumed>) = 3 [pid 7480] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7482] <... futex resumed>) = 1 [pid 7481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7479] <... futex resumed>) = 0 [pid 7483] <... rseq resumed>) = 0 [pid 7481] <... openat resumed>) = 3 [pid 7479] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] set_robust_list(0x7f2f310f39a0, 24 [pid 7482] ioctl(3, UFFDIO_API, NULL [pid 7481] write(3, "1000", 4 [pid 7479] <... futex resumed>) = 0 [pid 7483] <... set_robust_list resumed>) = 0 [pid 7482] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7481] <... write resumed>) = 4 [pid 7479] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7483] rt_sigprocmask(SIG_SETMASK, [], [pid 7482] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] close(3 [pid 7479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7482] <... futex resumed>) = 0 [pid 7481] <... close resumed>) = 0 executing program [pid 7483] userfaultfd(UFFD_USER_MODE_ONLY [pid 7482] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7481] write(1, "executing program\n", 18 [pid 7479] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] <... userfaultfd resumed>) = 3 [pid 7481] <... write resumed>) = 18 [pid 7479] <... futex resumed>) = 0 [pid 7483] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7481] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7483] <... futex resumed>) = 1 [pid 7482] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = 0 [pid 7480] <... futex resumed>) = 0 [pid 7474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7483] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7480] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7474] <... futex resumed>) = 0 [pid 7483] ioctl(3, UFFDIO_API, NULL [pid 7481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7483] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7483] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7473] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7483] <... futex resumed>) = 0 [pid 7481] <... mmap resumed>) = 0x7f2f310d3000 [pid 7473] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7473] <... futex resumed>) = 0 [pid 7481] <... mprotect resumed>) = 0 [pid 7473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7481] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7484 attached [pid 7483] <... futex resumed>) = 0 [pid 7480] <... futex resumed>) = 1 [pid 7484] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7483] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] <... clone3 resumed> => {parent_tid=[7484]}, 88) = 7484 [pid 7480] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... rseq resumed>) = 0 [pid 7482] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7479] <... futex resumed>) = 0 [pid 7484] set_robust_list(0x7f2f310f39a0, 24 [pid 7483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] rt_sigprocmask(SIG_SETMASK, [], [pid 7480] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] <... set_robust_list resumed>) = 0 [pid 7483] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7480] <... futex resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7484] rt_sigprocmask(SIG_SETMASK, [], [pid 7483] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7482] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7481] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7483] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = 0 [pid 7480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7480] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] <... futex resumed>) = 0 [pid 7480] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7483] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7483] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7480] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] <... mmap resumed>) = 0x7f2f310b2000 [pid 7473] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7478] <... io_uring_register resumed>) = 0 [pid 7473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7485 attached [pid 7484] userfaultfd(UFFD_USER_MODE_ONLY [pid 7485] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7473] <... clone3 resumed> => {parent_tid=[7485]}, 88) = 7485 [pid 7485] <... rseq resumed>) = 0 [pid 7478] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] rt_sigprocmask(SIG_SETMASK, [], [pid 7485] set_robust_list(0x7f2f310d29a0, 24 [pid 7478] <... futex resumed>) = 0 [pid 7473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7485] <... set_robust_list resumed>) = 0 [pid 7478] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7473] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7473] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7485] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7485] <... futex resumed>) = 0 [pid 7484] <... userfaultfd resumed>) = 3 [pid 7473] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7484] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = 0 [pid 7477] <... io_uring_register resumed>) = 0 [pid 7474] <... mmap resumed>) = 0x7f2f310b2000 [pid 7473] <... futex resumed>) = 1 [pid 7484] <... futex resumed>) = 1 [pid 7481] <... futex resumed>) = 0 [pid 7478] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7474] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7473] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7477] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] <... mprotect resumed>) = 0 [pid 7484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] <... futex resumed>) = 0 [pid 7477] <... futex resumed>) = 0 [pid 7478] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7484] ioctl(3, UFFDIO_API, NULL [pid 7481] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... futex resumed>) = 1 [pid 7477] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7473] <... futex resumed>) = 0 [pid 7484] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7478] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7473] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... madvise resumed>) = 0 [pid 7473] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7486 attached [pid 7484] <... futex resumed>) = 1 [pid 7481] <... futex resumed>) = 0 [pid 7473] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7484] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... rseq resumed>) = 0 [pid 7484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] <... futex resumed>) = 0 [pid 7486] set_robust_list(0x7f2f310d29a0, 24 [pid 7481] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] <... set_robust_list resumed>) = 0 [pid 7484] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7474] <... clone3 resumed> => {parent_tid=[7486]}, 88) = 7486 [pid 7486] rt_sigprocmask(SIG_SETMASK, [], [pid 7474] rt_sigprocmask(SIG_SETMASK, [], [pid 7484] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7486] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7474] <... futex resumed>) = 1 [pid 7486] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7474] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7486] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7484] <... futex resumed>) = 1 [pid 7481] <... futex resumed>) = 0 [pid 7474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7484] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7481] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = 0 [pid 7481] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7477] <... futex resumed>) = 0 [pid 7474] <... futex resumed>) = 1 [pid 7479] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] <... futex resumed>) = 0 [pid 7477] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7477] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7477] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = 1 [pid 7477] <... futex resumed>) = 0 [pid 7474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7473] <... futex resumed>) = 0 [pid 7477] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] exit_group(0 [pid 7485] <... futex resumed>) = ? [pid 7477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7474] <... futex resumed>) = 0 [pid 7473] <... exit_group resumed>) = ? [pid 7485] +++ exited with 0 +++ [pid 7480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7477] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7474] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] +++ exited with 0 +++ [pid 7473] +++ exited with 0 +++ [pid 7480] <... futex resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7473, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7487 attached , child_tidptr=0x555592b0f690) = 7487 [pid 7487] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7487] setpgid(0, 0) = 0 [pid 7487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7487] write(3, "1000", 4 [pid 7482] <... io_uring_register resumed>) = 0 [pid 7479] <... mmap resumed>) = 0x7f2f310b2000 [pid 7477] <... madvise resumed>) = 0 [pid 7482] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7477] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... futex resumed>) = 0 [pid 7479] <... mprotect resumed>) = 0 [pid 7477] <... futex resumed>) = 1 [pid 7487] <... write resumed>) = 4 [pid 7482] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7477] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] <... futex resumed>) = 0 [pid 7487] close(3 [pid 7479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7474] exit_group(0 [pid 7487] <... close resumed>) = 0 [pid 7486] <... futex resumed>) = ? [pid 7479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7477] <... futex resumed>) = ? [pid 7474] <... exit_group resumed>) = ? [pid 7487] write(1, "executing program\n", 18 [pid 7486] +++ exited with 0 +++ ./strace-static-x86_64: Process 7488 attached [pid 7477] +++ exited with 0 +++ [pid 7479] <... clone3 resumed> => {parent_tid=[7488]}, 88) = 7488 [pid 7488] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7479] rt_sigprocmask(SIG_SETMASK, [], [pid 7488] <... rseq resumed>) = 0 [pid 7479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7488] set_robust_list(0x7f2f310d29a0, 24 [pid 7479] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] <... set_robust_list resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7488] rt_sigprocmask(SIG_SETMASK, [], [pid 7479] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7488] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7488] ioctl(3, UFFDIO_REGISTER, NULL [pid 7487] <... write resumed>) = 18 [pid 7474] +++ exited with 0 +++ [pid 7488] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7487] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7474, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7488] <... futex resumed>) = 1 [pid 7487] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7481] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7479] <... futex resumed>) = 0 [pid 7488] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7481] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7482] <... futex resumed>) = 0 [pid 7481] <... futex resumed>) = 0 [pid 7479] <... futex resumed>) = 1 [pid 7487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7484] <... io_uring_register resumed>) = 0 [pid 7482] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7480] <... mmap resumed>) = 0x7f2f310b2000 [pid 7487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7482] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7481] <... mmap resumed>) = 0x7f2f310b2000 [pid 7480] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7479] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7489 attached [pid 7487] <... mmap resumed>) = 0x7f2f310d3000 [pid 7484] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7480] <... mprotect resumed>) = 0 [pid 7479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7489] set_robust_list(0x555592b0f6a0, 24 [pid 7487] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7484] <... futex resumed>) = 0 [pid 7483] <... io_uring_register resumed>) = 0 [pid 7482] <... futex resumed>) = 0 [pid 7481] <... mprotect resumed>) = 0 [pid 7480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7479] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7489 [pid 7489] <... set_robust_list resumed>) = 0 [pid 7487] <... mprotect resumed>) = 0 [pid 7484] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7481] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7487] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7483] <... futex resumed>) = 0 [pid 7481] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7479] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... prctl resumed>) = 0 [pid 7487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7491 attached ./strace-static-x86_64: Process 7490 attached [pid 7489] setpgid(0, 0 [pid 7487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7492 attached [pid 7491] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7490] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7489] <... setpgid resumed>) = 0 [pid 7483] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] <... clone3 resumed> => {parent_tid=[7491]}, 88) = 7491 [pid 7480] <... clone3 resumed> => {parent_tid=[7490]}, 88) = 7490 [pid 7492] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7491] <... rseq resumed>) = 0 [pid 7490] <... rseq resumed>) = 0 [pid 7489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7487] <... clone3 resumed> => {parent_tid=[7492]}, 88) = 7492 [pid 7482] <... madvise resumed>) = 0 [pid 7481] rt_sigprocmask(SIG_SETMASK, [], [pid 7480] rt_sigprocmask(SIG_SETMASK, [], [pid 7492] <... rseq resumed>) = 0 [pid 7491] set_robust_list(0x7f2f310d29a0, 24 [pid 7490] set_robust_list(0x7f2f310d29a0, 24 [pid 7487] rt_sigprocmask(SIG_SETMASK, [], [pid 7482] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7492] set_robust_list(0x7f2f310f39a0, 24 [pid 7491] <... set_robust_list resumed>) = 0 [pid 7490] <... set_robust_list resumed>) = 0 [pid 7489] <... openat resumed>) = 3 [pid 7487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7482] <... futex resumed>) = 1 [pid 7481] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = 0 [pid 7492] <... set_robust_list resumed>) = 0 [pid 7491] rt_sigprocmask(SIG_SETMASK, [], [pid 7490] rt_sigprocmask(SIG_SETMASK, [], [pid 7489] write(3, "1000", 4 [pid 7487] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = 0 [pid 7480] <... futex resumed>) = 0 [pid 7479] exit_group(0 [pid 7492] rt_sigprocmask(SIG_SETMASK, [], [pid 7491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7489] <... write resumed>) = 4 [pid 7488] <... futex resumed>) = ? [pid 7487] <... futex resumed>) = 0 [pid 7481] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] <... exit_group resumed>) = ? [pid 7492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7491] ioctl(3, UFFDIO_REGISTER, NULL [pid 7490] ioctl(3, UFFDIO_REGISTER, NULL [pid 7489] close(3 [pid 7488] +++ exited with 0 +++ [pid 7487] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] userfaultfd(UFFD_USER_MODE_ONLY [pid 7491] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7489] <... close resumed>) = 0 [pid 7492] <... userfaultfd resumed>) = 3 [pid 7491] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7489] write(1, "executing program\n", 18 [pid 7492] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7491] <... futex resumed>) = 1 [pid 7489] <... write resumed>) = 18 [pid 7481] <... futex resumed>) = 0 [pid 7490] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7492] <... futex resumed>) = 1 [pid 7491] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] <... futex resumed>) = 0 [pid 7481] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7490] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] <... futex resumed>) = 0 [pid 7481] <... futex resumed>) = 1 [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7490] <... futex resumed>) = 1 [pid 7489] <... futex resumed>) = 0 [pid 7487] <... futex resumed>) = 0 [pid 7484] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7482] +++ exited with 0 +++ [pid 7481] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] <... futex resumed>) = 0 [pid 7479] +++ exited with 0 +++ [pid 7492] ioctl(3, UFFDIO_API, NULL [pid 7490] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7487] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7480] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7479, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7492] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7489] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7484] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] <... futex resumed>) = 0 [pid 7480] <... futex resumed>) = 1 [pid 7492] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7484] <... futex resumed>) = 1 [pid 7483] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7481] <... futex resumed>) = 0 [pid 7480] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... futex resumed>) = 1 [pid 7489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7487] <... futex resumed>) = 0 [pid 7484] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7481] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7492] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7487] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7483] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7493 attached [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7489] <... mmap resumed>) = 0x7f2f310d3000 [pid 7487] <... futex resumed>) = 0 [pid 7483] <... futex resumed>) = 1 [pid 7481] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] <... futex resumed>) = 0 [pid 7484] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7493] set_robust_list(0x555592b0f6a0, 24 [pid 7492] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7489] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7487] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7483] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7493 [pid 7492] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7489] <... mprotect resumed>) = 0 [pid 7480] <... futex resumed>) = 0 [pid 7493] <... set_robust_list resumed>) = 0 [pid 7483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7480] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7483] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7493] <... prctl resumed>) = 0 [pid 7492] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7492] <... futex resumed>) = 1 [pid 7489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7487] <... futex resumed>) = 0 [pid 7487] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7494 attached [pid 7493] setpgid(0, 0 [pid 7487] <... futex resumed>) = 0 [pid 7494] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7493] <... setpgid resumed>) = 0 [pid 7492] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7487] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7494] <... rseq resumed>) = 0 [pid 7493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7489] <... clone3 resumed> => {parent_tid=[7494]}, 88) = 7494 [pid 7484] <... madvise resumed>) = 0 [pid 7483] <... madvise resumed>) = 0 [pid 7489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7489] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7493] <... openat resumed>) = 3 [pid 7489] <... futex resumed>) = 0 [pid 7494] rt_sigprocmask(SIG_SETMASK, [], [pid 7493] write(3, "1000", 4 [pid 7489] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7493] <... write resumed>) = 4 [pid 7484] <... futex resumed>) = 1 [pid 7483] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = 0 [pid 7494] userfaultfd(UFFD_USER_MODE_ONLY [pid 7493] close(3 [pid 7484] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] <... futex resumed>) = 1 [pid 7481] exit_group(0 [pid 7480] <... futex resumed>) = 0 [pid 7494] <... userfaultfd resumed>) = 3 [pid 7494] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... close resumed>) = 0 [pid 7491] <... futex resumed>) = ? [pid 7484] <... futex resumed>) = ? [pid 7483] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] <... exit_group resumed>) = ? [pid 7480] exit_group(0 [pid 7494] <... futex resumed>) = 1 executing program [pid 7493] write(1, "executing program\n", 18 [pid 7491] +++ exited with 0 +++ [pid 7490] <... futex resumed>) = ? [pid 7489] <... futex resumed>) = 0 [pid 7484] +++ exited with 0 +++ [pid 7483] <... futex resumed>) = ? [pid 7481] +++ exited with 0 +++ [pid 7480] <... exit_group resumed>) = ? [pid 7494] ioctl(3, UFFDIO_API, NULL [pid 7493] <... write resumed>) = 18 [pid 7490] +++ exited with 0 +++ [pid 7489] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7483] +++ exited with 0 +++ [pid 7480] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7481, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7494] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7493] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7480, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 7494] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... futex resumed>) = 0 [pid 7489] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7493] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7489] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7489] <... futex resumed>) = 0 [pid 7493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7489] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7494] <... futex resumed>) = 0 [pid 7493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7494] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7493] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7494] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7493] <... mprotect resumed>) = 0 [pid 7493] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7494] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7492] <... io_uring_register resumed>) = 0 [pid 7494] <... futex resumed>) = 1 [pid 7493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7492] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7495 attached [pid 7494] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7492] <... futex resumed>) = 1 [pid 7489] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] <... futex resumed>) = 0 [pid 7495] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7493] <... clone3 resumed> => {parent_tid=[7495]}, 88) = 7495 [pid 7492] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] <... futex resumed>) = 0 [pid 7487] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7496 attached [pid 7495] <... rseq resumed>) = 0 [pid 7493] rt_sigprocmask(SIG_SETMASK, [], [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7489] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7487] <... futex resumed>) = 0 [pid 7495] set_robust_list(0x7f2f310f39a0, 24 [pid 7492] ioctl(3, UFFDIO_REGISTER, NULL [pid 7487] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7496 [pid 7493] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7497 attached [pid 7496] set_robust_list(0x555592b0f6a0, 24 [pid 7495] <... set_robust_list resumed>) = 0 [pid 7493] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7497] set_robust_list(0x555592b0f6a0, 24 [pid 7496] <... set_robust_list resumed>) = 0 [pid 7495] rt_sigprocmask(SIG_SETMASK, [], [pid 7493] <... futex resumed>) = 0 [pid 7492] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7497 [pid 7497] <... set_robust_list resumed>) = 0 [pid 7496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7493] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... futex resumed>) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7496] <... prctl resumed>) = 0 [pid 7495] userfaultfd(UFFD_USER_MODE_ONLY [pid 7492] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7496] setpgid(0, 0 [pid 7495] <... userfaultfd resumed>) = 3 [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] <... futex resumed>) = 0 [pid 7497] <... prctl resumed>) = 0 [pid 7496] <... setpgid resumed>) = 0 [pid 7487] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] setpgid(0, 0) = 0 [pid 7496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7495] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7496] <... openat resumed>) = 3 [pid 7495] <... futex resumed>) = 1 [pid 7493] <... futex resumed>) = 0 [pid 7492] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7496] write(3, "1000", 4 [pid 7495] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7493] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... openat resumed>) = 3 [pid 7496] <... write resumed>) = 4 [pid 7495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7493] <... futex resumed>) = 0 [pid 7492] <... futex resumed>) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7497] write(3, "1000", 4 [pid 7496] close(3 [pid 7493] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7487] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... write resumed>) = 4 [pid 7496] <... close resumed>) = 0 [pid 7487] <... futex resumed>) = 0 executing program executing program [pid 7487] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] close(3 [pid 7496] write(1, "executing program\n", 18 [pid 7495] ioctl(3, UFFDIO_API, NULL [pid 7492] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7497] <... close resumed>) = 0 [pid 7496] <... write resumed>) = 18 [pid 7497] write(1, "executing program\n", 18 [pid 7496] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7492] <... madvise resumed>) = 0 [pid 7497] <... write resumed>) = 18 [pid 7496] <... futex resumed>) = 0 [pid 7497] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7496] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7494] <... io_uring_register resumed>) = 0 [pid 7497] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7496] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7494] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7494] <... futex resumed>) = 1 [pid 7489] <... futex resumed>) = 0 [pid 7497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7494] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7495] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7489] <... futex resumed>) = 0 [pid 7497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7496] <... mmap resumed>) = 0x7f2f310d3000 [pid 7495] <... futex resumed>) = 1 [pid 7494] ioctl(3, UFFDIO_REGISTER, NULL [pid 7493] <... futex resumed>) = 0 [pid 7492] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7495] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7493] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7494] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7493] <... futex resumed>) = 0 [pid 7492] <... futex resumed>) = 1 [pid 7497] <... mmap resumed>) = 0x7f2f310d3000 [pid 7495] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7493] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7494] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] <... futex resumed>) = 0 [pid 7497] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7496] <... mprotect resumed>) = 0 [pid 7497] <... mprotect resumed>) = 0 [pid 7494] <... futex resumed>) = 1 [pid 7489] <... futex resumed>) = 0 [pid 7497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7496] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7495] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7494] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7489] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] exit_group(0 [pid 7497] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7496] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7495] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7492] <... futex resumed>) = ? [pid 7489] <... futex resumed>) = 0 [pid 7487] <... exit_group resumed>) = ? [pid 7497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7495] <... futex resumed>) = 1 [pid 7494] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... futex resumed>) = 0 [pid 7489] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7499 attached ./strace-static-x86_64: Process 7498 attached [pid 7495] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7494] <... futex resumed>) = 0 [pid 7493] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] +++ exited with 0 +++ [pid 7489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] +++ exited with 0 +++ [pid 7499] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7498] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7496] <... clone3 resumed> => {parent_tid=[7499]}, 88) = 7499 [pid 7493] <... futex resumed>) = 0 [pid 7489] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7493] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... futex resumed>) = 0 [pid 7498] <... rseq resumed>) = 0 [pid 7496] rt_sigprocmask(SIG_SETMASK, [], [pid 7489] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7487, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7498] set_robust_list(0x7f2f310f39a0, 24 [pid 7496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7498] <... set_robust_list resumed>) = 0 [pid 7499] <... rseq resumed>) = 0 [pid 7497] <... clone3 resumed> => {parent_tid=[7498]}, 88) = 7498 [pid 7499] set_robust_list(0x7f2f310f39a0, 24 [pid 7497] rt_sigprocmask(SIG_SETMASK, [], [pid 7499] <... set_robust_list resumed>) = 0 [pid 7497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7499] rt_sigprocmask(SIG_SETMASK, [], [pid 7497] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7497] <... futex resumed>) = 0 [pid 7499] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7497] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7498] rt_sigprocmask(SIG_SETMASK, [], [pid 7496] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7496] <... futex resumed>) = 1 [pid 7499] userfaultfd(UFFD_USER_MODE_ONLY [pid 7498] userfaultfd(UFFD_USER_MODE_ONLY [pid 7496] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7498] <... userfaultfd resumed>) = 3 [pid 7498] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7499] <... userfaultfd resumed>) = 3 [pid 7498] <... futex resumed>) = 1 [pid 7494] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 7500 attached [pid 7499] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7497] <... futex resumed>) = 0 [pid 7494] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] set_robust_list(0x555592b0f6a0, 24 [pid 7499] <... futex resumed>) = 1 [pid 7497] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = 0 [pid 7500] <... set_robust_list resumed>) = 0 [pid 7499] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7497] <... futex resumed>) = 1 [pid 7496] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7497] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7498] <... futex resumed>) = 0 [pid 7494] <... futex resumed>) = 1 [pid 7489] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7500 [pid 7498] ioctl(3, UFFDIO_API, NULL [pid 7494] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7489] exit_group(0 [pid 7498] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7494] <... futex resumed>) = ? [pid 7489] <... exit_group resumed>) = ? [pid 7500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7499] ioctl(3, UFFDIO_API, NULL [pid 7498] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7496] <... futex resumed>) = 0 [pid 7494] +++ exited with 0 +++ [pid 7500] <... prctl resumed>) = 0 [pid 7499] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7497] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7500] setpgid(0, 0 [pid 7499] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... futex resumed>) = 0 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] <... setpgid resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7497] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7498] <... futex resumed>) = 1 [pid 7497] <... futex resumed>) = 0 [pid 7496] <... futex resumed>) = 0 [pid 7500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7498] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7497] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 7496] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] +++ exited with 0 +++ [pid 7500] <... openat resumed>) = 3 [pid 7499] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7498] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7489, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7500] write(3, "1000", 4 [pid 7499] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7500] <... write resumed>) = 4 [pid 7499] <... futex resumed>) = 1 [pid 7498] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = 0 [pid 7500] close(3 [pid 7499] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7498] <... futex resumed>) = 1 [pid 7497] <... futex resumed>) = 0 [pid 7496] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7500] <... close resumed>) = 0 [pid 7499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7497] <... futex resumed>) = 0 [pid 7496] <... futex resumed>) = 0 [pid 7495] <... io_uring_register resumed>) = 0 [pid 7499] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7497] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7500] write(1, "executing program\n", 18) = 18 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7500] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7500] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 ./strace-static-x86_64: Process 7501 attached [pid 7500] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7501 [pid 7500] <... mprotect resumed>) = 0 [pid 7500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7502 attached [pid 7502] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7500] <... clone3 resumed> => {parent_tid=[7502]}, 88) = 7502 [pid 7501] set_robust_list(0x555592b0f6a0, 24 [pid 7493] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7502] <... rseq resumed>) = 0 [pid 7502] set_robust_list(0x7f2f310f39a0, 24 [pid 7500] rt_sigprocmask(SIG_SETMASK, [], [pid 7502] <... set_robust_list resumed>) = 0 [pid 7500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7502] rt_sigprocmask(SIG_SETMASK, [], [pid 7500] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7500] <... futex resumed>) = 0 [pid 7502] userfaultfd(UFFD_USER_MODE_ONLY [pid 7500] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7502] <... userfaultfd resumed>) = 3 [pid 7502] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7500] <... futex resumed>) = 0 [pid 7500] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] ioctl(3, UFFDIO_API, NULL [pid 7500] <... futex resumed>) = 0 [pid 7502] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7500] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7502] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7502] <... futex resumed>) = 0 [pid 7501] <... set_robust_list resumed>) = 0 [pid 7500] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7500] <... futex resumed>) = 0 [pid 7493] <... futex resumed>) = 0 [pid 7500] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7495] <... futex resumed>) = 0 [pid 7501] <... prctl resumed>) = 0 [pid 7495] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7493] <... mmap resumed>) = 0x7f2f310b2000 [pid 7501] setpgid(0, 0 [pid 7493] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7502] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7493] <... mprotect resumed>) = 0 [pid 7502] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7500] <... futex resumed>) = 0 [pid 7502] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] <... futex resumed>) = 0 [pid 7502] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7500] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7501] <... setpgid resumed>) = 0 [pid 7493] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7493] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7501] <... openat resumed>) = 3 [pid 7493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7503 attached => {parent_tid=[7503]}, 88) = 7503 [pid 7503] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7501] write(3, "1000", 4 [pid 7493] rt_sigprocmask(SIG_SETMASK, [], [pid 7497] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7497] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7497] <... futex resumed>) = 0 [pid 7496] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 7496] <... futex resumed>) = 0 [pid 7496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7503] set_robust_list(0x7f2f310d29a0, 24 [pid 7501] <... write resumed>) = 4 [pid 7493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7503] <... set_robust_list resumed>) = 0 [pid 7501] close(3 [pid 7493] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] rt_sigprocmask(SIG_SETMASK, [], [pid 7493] <... futex resumed>) = 0 [pid 7501] <... close resumed>) = 0 [pid 7493] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7501] write(1, "executing program\n", 18 [pid 7503] ioctl(3, UFFDIO_REGISTER, NULL [pid 7501] <... write resumed>) = 18 [pid 7503] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7501] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] <... futex resumed>) = 0 [pid 7503] <... futex resumed>) = 1 [pid 7501] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7493] <... futex resumed>) = 0 [pid 7503] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7493] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7495] <... futex resumed>) = 0 [pid 7501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7493] <... futex resumed>) = 1 [pid 7501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7495] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7493] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7501] <... mmap resumed>) = 0x7f2f310d3000 [pid 7501] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7495] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7501] <... mprotect resumed>) = 0 [pid 7495] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7493] <... futex resumed>) = 0 [pid 7493] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7501] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7498] <... io_uring_register resumed>) = 0 [pid 7495] <... madvise resumed>) = 0 [pid 7493] <... futex resumed>) = 0 [pid 7501] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7500] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7500] <... futex resumed>) = 0 [pid 7498] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7504 attached [pid 7501] <... clone3 resumed> => {parent_tid=[7504]}, 88) = 7504 [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7498] <... futex resumed>) = 0 [pid 7497] <... mmap resumed>) = 0x7f2f310b2000 [pid 7504] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7501] rt_sigprocmask(SIG_SETMASK, [], [pid 7498] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7497] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7504] <... rseq resumed>) = 0 [pid 7501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7497] <... mprotect resumed>) = 0 [pid 7495] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] set_robust_list(0x7f2f310f39a0, 24 [pid 7501] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7495] <... futex resumed>) = 1 [pid 7493] <... futex resumed>) = 0 [pid 7504] <... set_robust_list resumed>) = 0 [pid 7501] <... futex resumed>) = 0 [pid 7497] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7495] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] rt_sigprocmask(SIG_SETMASK, [], [pid 7493] exit_group(0 [pid 7501] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7493] <... exit_group resumed>) = ? [pid 7503] <... futex resumed>) = ? [pid 7504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7503] +++ exited with 0 +++ [pid 7504] userfaultfd(UFFD_USER_MODE_ONLY [pid 7497] <... clone3 resumed> => {parent_tid=[7505]}, 88) = 7505 [pid 7495] <... futex resumed>) = ? ./strace-static-x86_64: Process 7505 attached [pid 7500] <... mmap resumed>) = 0x7f2f310b2000 [pid 7505] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7505] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7505] rt_sigprocmask(SIG_SETMASK, [], [pid 7502] <... io_uring_register resumed>) = 0 [pid 7505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7502] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7505] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] <... userfaultfd resumed>) = 3 [pid 7502] <... futex resumed>) = 0 [pid 7500] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7497] rt_sigprocmask(SIG_SETMASK, [], [pid 7496] <... mmap resumed>) = 0x7f2f310b2000 [pid 7504] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] <... mprotect resumed>) = 0 [pid 7499] <... io_uring_register resumed>) = 0 [pid 7497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7496] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7504] <... futex resumed>) = 1 [pid 7501] <... futex resumed>) = 0 [pid 7500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7499] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] +++ exited with 0 +++ [pid 7493] +++ exited with 0 +++ [pid 7505] <... futex resumed>) = 0 [pid 7504] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7497] <... futex resumed>) = 1 [pid 7496] <... mprotect resumed>) = 0 [pid 7505] ioctl(3, UFFDIO_REGISTER, NULL [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7501] <... futex resumed>) = 0 [pid 7500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7499] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7497] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7493, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 7506 attached [pid 7505] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7504] ioctl(3, UFFDIO_API, NULL [pid 7501] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7506] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7500] <... clone3 resumed> => {parent_tid=[7506]}, 88) = 7506 [pid 7496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7505] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7504] <... ioctl resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 7507 attached [pid 7506] <... rseq resumed>) = 0 [pid 7505] <... futex resumed>) = 1 [pid 7504] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] rt_sigprocmask(SIG_SETMASK, [], [pid 7497] <... futex resumed>) = 0 [pid 7507] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7506] set_robust_list(0x7f2f310d29a0, 24 [pid 7505] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] <... futex resumed>) = 1 [pid 7501] <... futex resumed>) = 0 [pid 7500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7497] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... clone3 resumed> => {parent_tid=[7507]}, 88) = 7507 [pid 7507] <... rseq resumed>) = 0 [pid 7506] <... set_robust_list resumed>) = 0 [pid 7504] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] <... futex resumed>) = 0 [pid 7497] <... futex resumed>) = 1 [pid 7496] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7508 attached [pid 7507] set_robust_list(0x7f2f310d29a0, 24 [pid 7506] rt_sigprocmask(SIG_SETMASK, [], [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7501] <... futex resumed>) = 0 [pid 7500] <... futex resumed>) = 0 [pid 7498] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7497] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7508] set_robust_list(0x555592b0f6a0, 24 [pid 7507] <... set_robust_list resumed>) = 0 [pid 7506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7504] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7501] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7500] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7498] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7506] ioctl(3, UFFDIO_REGISTER, NULL [pid 7496] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7508 [pid 7507] rt_sigprocmask(SIG_SETMASK, [], [pid 7506] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7498] <... futex resumed>) = 1 [pid 7497] <... futex resumed>) = 0 [pid 7496] <... futex resumed>) = 0 [pid 7507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7506] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7497] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] <... set_robust_list resumed>) = 0 [pid 7507] ioctl(3, UFFDIO_REGISTER, NULL [pid 7506] <... futex resumed>) = 1 [pid 7504] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7500] <... futex resumed>) = 0 [pid 7498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7497] <... futex resumed>) = 0 [pid 7507] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7506] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7497] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7502] <... futex resumed>) = 0 [pid 7500] <... futex resumed>) = 1 [pid 7502] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7500] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7502] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7502] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7500] <... futex resumed>) = 0 [pid 7502] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7500] <... futex resumed>) = 0 [pid 7502] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7500] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7507] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... prctl resumed>) = 0 [pid 7507] <... futex resumed>) = 1 [pid 7504] <... futex resumed>) = 1 [pid 7502] <... madvise resumed>) = 0 [pid 7501] <... futex resumed>) = 0 [pid 7498] <... madvise resumed>) = 0 [pid 7496] <... futex resumed>) = 0 [pid 7508] setpgid(0, 0 [pid 7507] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7508] <... setpgid resumed>) = 0 [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7502] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7502] <... futex resumed>) = 1 [pid 7499] <... futex resumed>) = 0 [pid 7496] <... futex resumed>) = 1 [pid 7502] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7499] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7496] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7501] <... futex resumed>) = 0 [pid 7501] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7500] <... futex resumed>) = 0 [pid 7500] exit_group(0) = ? [pid 7502] <... futex resumed>) = ? [pid 7502] +++ exited with 0 +++ [pid 7506] <... futex resumed>) = ? [pid 7506] +++ exited with 0 +++ [pid 7500] +++ exited with 0 +++ [pid 7499] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7500, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7499] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7499] <... futex resumed>) = 1 [pid 7498] <... futex resumed>) = 1 [pid 7496] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7498] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7496] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7497] <... futex resumed>) = 0 [pid 7508] <... openat resumed>) = 3 [pid 7496] <... futex resumed>) = 0 [pid 7497] exit_group(0) = ? [pid 7505] <... futex resumed>) = ? [pid 7508] write(3, "1000", 4 [pid 7499] <... madvise resumed>) = 0 [pid 7498] <... futex resumed>) = ? [pid 7496] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... restart_syscall resumed>) = 0 [pid 7505] +++ exited with 0 +++ [pid 7508] <... write resumed>) = 4 [pid 7499] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7508] close(3 [pid 7499] <... futex resumed>) = 0 [pid 7498] +++ exited with 0 +++ [pid 7497] +++ exited with 0 +++ [pid 7496] exit_group(0 [pid 7508] <... close resumed>) = 0 [pid 7499] read(-256, [pid 7496] <... exit_group resumed>) = ? [pid 7508] write(1, "executing program\n", 18 [pid 7507] <... futex resumed>) = ? [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7508] <... write resumed>) = 18 [pid 7507] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7497, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 7510 attached [pid 7508] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] +++ exited with 0 +++ [pid 7508] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7511 attached [pid 7510] set_robust_list(0x555592b0f6a0, 24 [pid 7508] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7504] <... io_uring_register resumed>) = 0 [pid 7496] +++ exited with 0 +++ [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7510 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7511 [pid 7511] set_robust_list(0x555592b0f6a0, 24 [pid 7510] <... set_robust_list resumed>) = 0 [pid 7508] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7504] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7496, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7511] <... set_robust_list resumed>) = 0 [pid 7510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7504] <... futex resumed>) = 1 [pid 7501] <... futex resumed>) = 0 [pid 7511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7510] <... prctl resumed>) = 0 [pid 7508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7504] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... prctl resumed>) = 0 [pid 7510] setpgid(0, 0 [pid 7508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7501] <... futex resumed>) = 0 [pid 7511] setpgid(0, 0 [pid 7510] <... setpgid resumed>) = 0 [pid 7508] <... mmap resumed>) = 0x7f2f310d3000 [pid 7504] ioctl(3, UFFDIO_REGISTER, NULL [pid 7501] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7511] <... setpgid resumed>) = 0 [pid 7510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7508] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7504] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7510] <... openat resumed>) = 3 [pid 7508] <... mprotect resumed>) = 0 [pid 7504] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7501] <... futex resumed>) = 0 [pid 7510] write(3, "1000", 4 [pid 7508] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7504] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7501] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... write resumed>) = 4 [pid 7508] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7501] <... futex resumed>) = 0 [pid 7511] <... openat resumed>) = 3 [pid 7510] close(3 [pid 7508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7504] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7501] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7512 attached [pid 7510] <... close resumed>) = 0 [pid 7504] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7513 attached [pid 7512] set_robust_list(0x555592b0f6a0, 24 [pid 7511] write(3, "1000", 4 [pid 7510] write(1, "executing program\n", 18executing program [pid 7508] <... clone3 resumed> => {parent_tid=[7513]}, 88) = 7513 [pid 7504] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7512 [pid 7513] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7512] <... set_robust_list resumed>) = 0 [pid 7511] <... write resumed>) = 4 [pid 7510] <... write resumed>) = 18 [pid 7508] rt_sigprocmask(SIG_SETMASK, [], [pid 7501] <... futex resumed>) = 0 [pid 7513] <... rseq resumed>) = 0 [pid 7512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7511] close(3 [pid 7510] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7504] <... futex resumed>) = 1 [pid 7501] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] set_robust_list(0x7f2f310f39a0, 24 [pid 7512] <... prctl resumed>) = 0 [pid 7511] <... close resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7508] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7501] <... futex resumed>) = 0 [pid 7513] <... set_robust_list resumed>) = 0 [pid 7512] setpgid(0, 0 executing program [pid 7511] write(1, "executing program\n", 18 [pid 7510] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7508] <... futex resumed>) = 0 [pid 7501] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7513] rt_sigprocmask(SIG_SETMASK, [], [pid 7511] <... write resumed>) = 18 [pid 7508] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7512] <... setpgid resumed>) = 0 [pid 7511] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7504] <... madvise resumed>) = 0 [pid 7513] userfaultfd(UFFD_USER_MODE_ONLY [pid 7512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7511] <... futex resumed>) = 0 [pid 7510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7513] <... userfaultfd resumed>) = 3 [pid 7511] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7513] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7511] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7513] ioctl(3, UFFDIO_API, NULL [pid 7511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7508] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7513] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7508] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] <... futex resumed>) = 0 [pid 7511] <... mmap resumed>) = 0x7f2f310d3000 [pid 7510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7504] <... futex resumed>) = 1 [pid 7501] <... futex resumed>) = 0 [pid 7513] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] <... openat resumed>) = 3 [pid 7511] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7512] write(3, "1000", 4 [pid 7501] exit_group(0 [pid 7510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7512] <... write resumed>) = 4 [pid 7511] <... mprotect resumed>) = 0 [pid 7510] <... mmap resumed>) = 0x7f2f310d3000 [pid 7508] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7501] <... exit_group resumed>) = ? [pid 7513] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7512] close(3 [pid 7511] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7508] <... futex resumed>) = 0 [pid 7504] +++ exited with 0 +++ [pid 7508] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7512] <... close resumed>) = 0 [pid 7511] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7510] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7501] +++ exited with 0 +++ [pid 7513] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}executing program [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7501, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7513] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] write(1, "executing program\n", 18 [pid 7510] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7514 attached [pid 7513] <... futex resumed>) = 1 [pid 7512] <... write resumed>) = 18 [pid 7511] <... clone3 resumed> => {parent_tid=[7514]}, 88) = 7514 [pid 7510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7508] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7514] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7513] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7512] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] rt_sigprocmask(SIG_SETMASK, [], [pid 7510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7508] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7512] <... futex resumed>) = 0 [pid 7512] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 ./strace-static-x86_64: Process 7515 attached [pid 7511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7511] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7511] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7516 attached [pid 7511] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7516] set_robust_list(0x555592b0f6a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7516 [pid 7516] <... set_robust_list resumed>) = 0 [pid 7516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7516] setpgid(0, 0 [pid 7512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7515] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7510] <... clone3 resumed> => {parent_tid=[7515]}, 88) = 7515 [pid 7514] <... rseq resumed>) = 0 [pid 7516] <... setpgid resumed>) = 0 [pid 7515] <... rseq resumed>) = 0 [pid 7514] set_robust_list(0x7f2f310f39a0, 24 [pid 7512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7510] rt_sigprocmask(SIG_SETMASK, [], [pid 7516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7515] set_robust_list(0x7f2f310f39a0, 24 [pid 7514] <... set_robust_list resumed>) = 0 [pid 7512] <... mmap resumed>) = 0x7f2f310d3000 [pid 7510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7515] <... set_robust_list resumed>) = 0 [pid 7514] rt_sigprocmask(SIG_SETMASK, [], [pid 7512] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7510] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] <... openat resumed>) = 3 [pid 7515] rt_sigprocmask(SIG_SETMASK, [], [pid 7514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7512] <... mprotect resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7514] userfaultfd(UFFD_USER_MODE_ONLY [pid 7510] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7515] userfaultfd(UFFD_USER_MODE_ONLY [pid 7514] <... userfaultfd resumed>) = 3 [pid 7515] <... userfaultfd resumed>) = 3 [pid 7514] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 1 [pid 7514] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] <... futex resumed>) = 0 [pid 7515] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] ioctl(3, UFFDIO_API, NULL [pid 7511] <... futex resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7516] write(3, "1000", 4 [pid 7515] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7512] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7510] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7516] <... write resumed>) = 4 [pid 7515] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7511] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7516] close(3 [pid 7515] <... futex resumed>) = 0 [pid 7514] <... futex resumed>) = 0 [pid 7512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7511] <... futex resumed>) = 1 [pid 7510] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7517 attached [pid 7516] <... close resumed>) = 0 [pid 7515] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7514] ioctl(3, UFFDIO_API, NULL [pid 7511] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7510] <... futex resumed>) = 0 [pid 7517] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7516] write(1, "executing program\n", 18 [pid 7514] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7512] <... clone3 resumed> => {parent_tid=[7517]}, 88) = 7517 [pid 7510] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] <... rseq resumed>) = 0 [pid 7516] <... write resumed>) = 18 [pid 7515] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7514] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] rt_sigprocmask(SIG_SETMASK, [], [pid 7517] set_robust_list(0x7f2f310f39a0, 24 [pid 7516] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] <... futex resumed>) = 1 [pid 7512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7511] <... futex resumed>) = 0 [pid 7517] <... set_robust_list resumed>) = 0 [pid 7516] <... futex resumed>) = 0 [pid 7516] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7517] rt_sigprocmask(SIG_SETMASK, [], [pid 7516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7515] <... futex resumed>) = 1 [pid 7514] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = 0 [pid 7517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7515] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] <... futex resumed>) = 0 [pid 7510] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] userfaultfd(UFFD_USER_MODE_ONLY [pid 7516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7512] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7511] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = 0 [pid 7517] <... userfaultfd resumed>) = 3 [pid 7516] <... mmap resumed>) = 0x7f2f310d3000 [pid 7515] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7514] <... futex resumed>) = 0 [pid 7511] <... futex resumed>) = 1 [pid 7510] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7514] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7511] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] <... futex resumed>) = 1 [pid 7516] <... mprotect resumed>) = 0 [pid 7514] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7512] <... futex resumed>) = 0 [pid 7517] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7514] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7514] <... futex resumed>) = 1 [pid 7512] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] <... futex resumed>) = 0 [pid 7517] ioctl(3, UFFDIO_API, NULL [pid 7516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7514] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] <... futex resumed>) = 0 [pid 7511] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7518 attached [pid 7517] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7512] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7511] <... futex resumed>) = 0 [pid 7518] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7517] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] <... clone3 resumed> => {parent_tid=[7518]}, 88) = 7518 [pid 7514] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7511] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7518] <... rseq resumed>) = 0 [pid 7517] <... futex resumed>) = 0 [pid 7516] rt_sigprocmask(SIG_SETMASK, [], [pid 7512] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7518] set_robust_list(0x7f2f310f39a0, 24 [pid 7516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7508] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7518] <... set_robust_list resumed>) = 0 [pid 7517] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7516] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] <... futex resumed>) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7516] <... futex resumed>) = 0 [pid 7516] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7518] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7518] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7518] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] <... futex resumed>) = 0 [pid 7516] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7518] <... futex resumed>) = 0 [pid 7518] ioctl(3, UFFDIO_API, NULL [pid 7516] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7518] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7518] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7516] <... futex resumed>) = 0 [pid 7516] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7516] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7518] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7518] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7516] <... futex resumed>) = 0 [pid 7518] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7516] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7512] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7516] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7517] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7517] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7512] <... futex resumed>) = 0 [pid 7517] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7512] <... futex resumed>) = 0 [pid 7517] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7512] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7513] <... io_uring_register resumed>) = 0 [pid 7510] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7508] <... mmap resumed>) = 0x7f2f310b2000 [pid 7510] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7510] <... futex resumed>) = 0 [pid 7510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7508] <... mprotect resumed>) = 0 [pid 7511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7511] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7513] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7513] <... futex resumed>) = 0 [pid 7508] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7519 attached [pid 7519] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7508] <... clone3 resumed> => {parent_tid=[7519]}, 88) = 7519 [pid 7519] <... rseq resumed>) = 0 [pid 7516] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7515] <... io_uring_register resumed>) = 0 [pid 7513] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] <... mmap resumed>) = 0x7f2f310b2000 [pid 7508] rt_sigprocmask(SIG_SETMASK, [], [pid 7519] set_robust_list(0x7f2f310d29a0, 24 [pid 7516] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7512] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7519] <... set_robust_list resumed>) = 0 [pid 7516] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = 0 [pid 7512] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... mprotect resumed>) = 0 [pid 7508] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] rt_sigprocmask(SIG_SETMASK, [], [pid 7516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7515] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] <... futex resumed>) = 0 [pid 7511] <... mmap resumed>) = 0x7f2f310b2000 [pid 7510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7508] <... futex resumed>) = 0 [pid 7519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7511] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7508] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7519] ioctl(3, UFFDIO_REGISTER, NULL [pid 7517] <... io_uring_register resumed>) = 0 [pid 7514] <... io_uring_register resumed>) = 0 [pid 7512] <... mmap resumed>) = 0x7f2f310b2000 [pid 7511] <... mprotect resumed>) = 0 [pid 7510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7519] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7517] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7511] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7520 attached [pid 7519] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... futex resumed>) = 0 [pid 7514] <... futex resumed>) = 0 [pid 7512] <... mprotect resumed>) = 0 [pid 7511] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7510] <... clone3 resumed> => {parent_tid=[7520]}, 88) = 7520 [pid 7520] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7519] <... futex resumed>) = 1 [pid 7517] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7514] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7510] rt_sigprocmask(SIG_SETMASK, [], [pid 7508] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7521 attached [pid 7520] <... rseq resumed>) = 0 [pid 7519] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7508] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7521] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7520] set_robust_list(0x7f2f310d29a0, 24 [pid 7512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7511] <... clone3 resumed> => {parent_tid=[7521]}, 88) = 7521 [pid 7513] <... futex resumed>) = 0 [pid 7510] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7508] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7522 attached [pid 7521] <... rseq resumed>) = 0 [pid 7520] <... set_robust_list resumed>) = 0 [pid 7513] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7511] rt_sigprocmask(SIG_SETMASK, [], [pid 7510] <... futex resumed>) = 0 [pid 7508] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7522] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7521] set_robust_list(0x7f2f310d29a0, 24 [pid 7520] rt_sigprocmask(SIG_SETMASK, [], [pid 7513] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7512] <... clone3 resumed> => {parent_tid=[7522]}, 88) = 7522 [pid 7511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7510] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7522] <... rseq resumed>) = 0 [pid 7521] <... set_robust_list resumed>) = 0 [pid 7520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7513] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] rt_sigprocmask(SIG_SETMASK, [], [pid 7511] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] set_robust_list(0x7f2f310d29a0, 24 [pid 7521] rt_sigprocmask(SIG_SETMASK, [], [pid 7520] ioctl(3, UFFDIO_REGISTER, NULL [pid 7513] <... futex resumed>) = 1 [pid 7512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7511] <... futex resumed>) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7522] <... set_robust_list resumed>) = 0 [pid 7521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7520] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7516] <... mmap resumed>) = 0x7f2f310b2000 [pid 7513] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7518] <... io_uring_register resumed>) = 0 [pid 7522] rt_sigprocmask(SIG_SETMASK, [], [pid 7521] ioctl(3, UFFDIO_REGISTER, NULL [pid 7520] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7512] <... futex resumed>) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7521] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7520] <... futex resumed>) = 1 [pid 7518] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] <... mprotect resumed>) = 0 [pid 7513] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7512] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7510] <... futex resumed>) = 0 [pid 7508] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7522] ioctl(3, UFFDIO_REGISTER, NULL [pid 7521] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7518] <... futex resumed>) = 0 [pid 7516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7510] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7521] <... futex resumed>) = 1 [pid 7516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7515] <... futex resumed>) = 0 [pid 7511] <... futex resumed>) = 0 [pid 7510] <... futex resumed>) = 1 [pid 7522] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7521] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7515] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7511] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7523 attached [pid 7522] <... futex resumed>) = 0 [pid 7518] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7514] <... futex resumed>) = 0 [pid 7512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7511] <... futex resumed>) = 1 [pid 7523] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7522] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] <... clone3 resumed> => {parent_tid=[7523]}, 88) = 7523 [pid 7515] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7512] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7523] <... rseq resumed>) = 0 [pid 7517] <... futex resumed>) = 0 [pid 7516] rt_sigprocmask(SIG_SETMASK, [], [pid 7515] <... futex resumed>) = 1 [pid 7514] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7512] <... futex resumed>) = 1 [pid 7510] <... futex resumed>) = 0 [pid 7523] set_robust_list(0x7f2f310d29a0, 24 [pid 7517] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7515] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7514] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7510] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] <... set_robust_list resumed>) = 0 [pid 7517] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7516] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7514] <... futex resumed>) = 1 [pid 7513] <... madvise resumed>) = 0 [pid 7511] <... futex resumed>) = 0 [pid 7510] <... futex resumed>) = 0 [pid 7523] rt_sigprocmask(SIG_SETMASK, [], [pid 7517] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] <... futex resumed>) = 0 [pid 7515] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7514] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7513] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7517] <... futex resumed>) = 1 [pid 7516] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7513] <... futex resumed>) = 1 [pid 7512] <... futex resumed>) = 0 [pid 7511] <... futex resumed>) = 0 [pid 7508] <... futex resumed>) = 0 [pid 7523] ioctl(3, UFFDIO_REGISTER, NULL [pid 7517] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7514] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7513] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] exit_group(0 [pid 7523] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7519] <... futex resumed>) = ? [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... madvise resumed>) = 0 [pid 7514] <... madvise resumed>) = 0 [pid 7513] <... futex resumed>) = ? [pid 7512] <... futex resumed>) = 0 [pid 7508] <... exit_group resumed>) = ? [pid 7523] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] +++ exited with 0 +++ [pid 7517] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7515] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7513] +++ exited with 0 +++ [pid 7512] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7508] +++ exited with 0 +++ [pid 7523] <... futex resumed>) = 1 [pid 7517] <... madvise resumed>) = 0 [pid 7516] <... futex resumed>) = 0 [pid 7514] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7508, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7518] <... futex resumed>) = 0 [pid 7516] <... futex resumed>) = 1 [pid 7514] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7518] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7516] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7515] <... futex resumed>) = 1 [pid 7510] <... futex resumed>) = 0 [pid 7518] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7515] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] <... futex resumed>) = 0 [pid 7518] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] exit_group(0 [pid 7518] <... futex resumed>) = 1 [pid 7516] <... futex resumed>) = 0 [pid 7511] exit_group(0 [pid 7510] <... exit_group resumed>) = ? [pid 7520] <... futex resumed>) = ? [pid 7518] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] <... futex resumed>) = ? [pid 7511] <... exit_group resumed>) = ? [pid 7521] <... futex resumed>) = ? [pid 7520] +++ exited with 0 +++ [pid 7518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7516] <... futex resumed>) = 0 [pid 7514] <... futex resumed>) = ? [pid 7518] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7521] +++ exited with 0 +++ [pid 7516] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7514] +++ exited with 0 +++ [pid 7518] <... madvise resumed>) = 0 [pid 7515] +++ exited with 0 +++ [pid 7510] +++ exited with 0 +++ [pid 7518] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7516] <... futex resumed>) = 0 [pid 7518] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7517] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] +++ exited with 0 +++ [pid 7516] exit_group(0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7510, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7523] <... futex resumed>) = ? [pid 7518] <... futex resumed>) = ? [pid 7517] <... futex resumed>) = 1 [pid 7516] <... exit_group resumed>) = ? [pid 7512] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7511, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7523] +++ exited with 0 +++ [pid 7518] +++ exited with 0 +++ [pid 7517] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] exit_group(0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7517] <... futex resumed>) = ? [pid 7512] <... exit_group resumed>) = ? [pid 7522] <... futex resumed>) = ? [pid 7517] +++ exited with 0 +++ [pid 5831] <... restart_syscall resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7524 attached [pid 7524] set_robust_list(0x555592b0f6a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7524 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7525 attached [pid 7524] <... set_robust_list resumed>) = 0 [pid 7522] +++ exited with 0 +++ [pid 7516] +++ exited with 0 +++ [pid 7512] +++ exited with 0 +++ [pid 7524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7512, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7525 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7516, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7525] set_robust_list(0x555592b0f6a0, 24 [pid 7524] <... prctl resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7525] <... set_robust_list resumed>) = 0 [pid 7524] setpgid(0, 0) = 0 [pid 7525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7525] <... prctl resumed>) = 0 [pid 7524] <... openat resumed>) = 3 [pid 7524] write(3, "1000", 4 [pid 7525] setpgid(0, 0 [pid 7524] <... write resumed>) = 4 executing program [pid 7525] <... setpgid resumed>) = 0 [pid 7524] close(3) = 0 [pid 7524] write(1, "executing program\n", 18 [pid 7525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7524] <... write resumed>) = 18 [pid 7524] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7524] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7525] <... openat resumed>) = 3 [pid 7524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7524] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7525] write(3, "1000", 4 [pid 7524] <... mprotect resumed>) = 0 [pid 7525] <... write resumed>) = 4 [pid 7524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7525] close(3 [pid 7524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}executing program [pid 7525] <... close resumed>) = 0 ./strace-static-x86_64: Process 7526 attached [pid 7525] write(1, "executing program\n", 18 [pid 7524] <... clone3 resumed> => {parent_tid=[7526]}, 88) = 7526 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7526] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7525] <... write resumed>) = 18 [pid 7524] rt_sigprocmask(SIG_SETMASK, [], [pid 7525] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7524] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7524] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] <... rseq resumed>) = 0 [pid 7525] <... futex resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7526] set_robust_list(0x7f2f310f39a0, 24./strace-static-x86_64: Process 7527 attached ) = 0 [pid 7525] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7526] rt_sigprocmask(SIG_SETMASK, [], [pid 7527] set_robust_list(0x555592b0f6a0, 24 [pid 7525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7527 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7527] <... set_robust_list resumed>) = 0 [pid 7526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7526] userfaultfd(UFFD_USER_MODE_ONLY [pid 7525] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7528 attached [pid 7526] <... userfaultfd resumed>) = 3 [pid 7525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7528] set_robust_list(0x555592b0f6a0, 24 [pid 7527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7526] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] <... mmap resumed>) = 0x7f2f310d3000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7528] <... set_robust_list resumed>) = 0 [pid 7527] <... prctl resumed>) = 0 [pid 7526] <... futex resumed>) = 1 [pid 7525] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7524] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7528 [pid 7528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7527] setpgid(0, 0 [pid 7526] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7525] <... mprotect resumed>) = 0 [pid 7524] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7524] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7529 attached [pid 7526] ioctl(3, UFFDIO_API, NULL [pid 7525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7524] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] set_robust_list(0x555592b0f6a0, 24 [pid 7528] <... prctl resumed>) = 0 [pid 7527] <... setpgid resumed>) = 0 [pid 7526] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7530 attached [pid 7529] <... set_robust_list resumed>) = 0 [pid 7526] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7526] <... futex resumed>) = 1 [pid 7524] <... futex resumed>) = 0 [pid 7530] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7529] <... prctl resumed>) = 0 [pid 7528] setpgid(0, 0 [pid 7526] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7525] <... clone3 resumed> => {parent_tid=[7530]}, 88) = 7530 [pid 7527] <... openat resumed>) = 3 [pid 7524] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7529 [pid 7530] <... rseq resumed>) = 0 [pid 7529] setpgid(0, 0 [pid 7528] <... setpgid resumed>) = 0 [pid 7527] write(3, "1000", 4 [pid 7525] rt_sigprocmask(SIG_SETMASK, [], [pid 7524] <... futex resumed>) = 0 [pid 7528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7530] set_robust_list(0x7f2f310f39a0, 24 [pid 7527] <... write resumed>) = 4 [pid 7530] <... set_robust_list resumed>) = 0 [pid 7528] <... openat resumed>) = 3 [pid 7527] close(3 [pid 7524] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7530] rt_sigprocmask(SIG_SETMASK, [], [pid 7527] <... close resumed>) = 0 [pid 7530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7528] write(3, "1000", 4 [pid 7530] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] <... write resumed>) = 4 [pid 7527] write(1, "executing program\n", 18 [pid 7529] <... setpgid resumed>) = 0 [pid 7528] close(3 [pid 7525] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7527] <... write resumed>) = 18 [pid 7526] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7527] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7528] <... close resumed>) = 0 [pid 7527] <... futex resumed>) = 0 [pid 7527] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7528] write(1, "executing program\n", 18 [pid 7527] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7527] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7528] <... write resumed>) = 18 [pid 7527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7528] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7528] <... futex resumed>) = 0 [pid 7527] <... mmap resumed>) = 0x7f2f310d3000 [pid 7528] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7527] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7528] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7527] <... mprotect resumed>) = 0 [pid 7528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7527] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7527] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7531 attached [pid 7528] <... mmap resumed>) = 0x7f2f310d3000 [pid 7528] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7527] <... clone3 resumed> => {parent_tid=[7531]}, 88) = 7531 [pid 7528] <... mprotect resumed>) = 0 [pid 7527] rt_sigprocmask(SIG_SETMASK, [], [pid 7525] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7528] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7528] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7527] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] <... futex resumed>) = 1 [pid 7531] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7530] <... futex resumed>) = 0 [pid 7528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7527] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7532 attached [pid 7531] <... rseq resumed>) = 0 [pid 7530] userfaultfd(UFFD_USER_MODE_ONLY [pid 7527] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7531] set_robust_list(0x7f2f310f39a0, 24 [pid 7530] <... userfaultfd resumed>) = 3 [pid 7528] <... clone3 resumed> => {parent_tid=[7532]}, 88) = 7532 [pid 7532] <... rseq resumed>) = 0 [pid 7526] <... futex resumed>) = 1 [pid 7525] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7524] <... futex resumed>) = 0 [pid 7529] <... openat resumed>) = 3 [pid 7524] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7532] rt_sigprocmask(SIG_SETMASK, [], [pid 7531] <... set_robust_list resumed>) = 0 [pid 7530] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] rt_sigprocmask(SIG_SETMASK, [], [pid 7531] rt_sigprocmask(SIG_SETMASK, [], [pid 7530] <... futex resumed>) = 1 [pid 7528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7525] <... futex resumed>) = 0 [pid 7524] <... futex resumed>) = 1 [pid 7529] write(3, "1000", 4 [pid 7526] <... futex resumed>) = 0 [pid 7525] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7524] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7525] <... futex resumed>) = 0 [pid 7529] <... write resumed>) = 4 [pid 7531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7530] ioctl(3, UFFDIO_API, NULL [pid 7528] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] userfaultfd(UFFD_USER_MODE_ONLY [pid 7530] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7531] <... userfaultfd resumed>) = 3 [pid 7530] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] <... futex resumed>) = 0 [pid 7532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7531] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = 0 [pid 7532] userfaultfd(UFFD_USER_MODE_ONLY [pid 7531] <... futex resumed>) = 1 [pid 7530] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7527] <... futex resumed>) = 0 [pid 7532] <... userfaultfd resumed>) = 3 [pid 7531] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7532] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7527] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] <... futex resumed>) = 1 [pid 7531] ioctl(3, UFFDIO_API, NULL [pid 7528] <... futex resumed>) = 0 [pid 7527] <... futex resumed>) = 0 [pid 7532] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7528] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7531] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] close(3 [pid 7528] <... futex resumed>) = 0 [pid 7527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7525] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] ioctl(3, UFFDIO_API, NULL [pid 7531] <... futex resumed>) = 0 [pid 7529] <... close resumed>) = 0 [pid 7528] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7527] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7532] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7531] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1executing program [pid 7529] write(1, "executing program\n", 18 [pid 7527] <... futex resumed>) = 0 [pid 7525] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = 0 [pid 7529] <... write resumed>) = 18 [pid 7527] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7525] <... futex resumed>) = 1 [pid 7532] <... futex resumed>) = 1 [pid 7530] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7529] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] <... futex resumed>) = 0 [pid 7525] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7530] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7529] <... futex resumed>) = 0 [pid 7528] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7530] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7528] <... futex resumed>) = 0 [pid 7532] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7530] <... futex resumed>) = 1 [pid 7529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7528] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7525] <... futex resumed>) = 0 [pid 7532] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7530] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7525] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7525] <... futex resumed>) = 0 [pid 7531] <... futex resumed>) = 1 [pid 7530] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7527] <... futex resumed>) = 0 [pid 7525] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] <... futex resumed>) = 1 [pid 7531] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7529] <... mmap resumed>) = 0x7f2f310d3000 [pid 7528] <... futex resumed>) = 0 [pid 7527] <... futex resumed>) = 0 [pid 7532] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7529] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7528] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] <... mprotect resumed>) = 0 [pid 7529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7528] <... futex resumed>) = 0 [pid 7529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7526] <... io_uring_register resumed>) = 0 ./strace-static-x86_64: Process 7533 attached [pid 7526] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7529] <... clone3 resumed> => {parent_tid=[7533]}, 88) = 7533 [pid 7526] <... futex resumed>) = 1 [pid 7524] <... futex resumed>) = 0 [pid 7529] rt_sigprocmask(SIG_SETMASK, [], [pid 7533] <... rseq resumed>) = 0 [pid 7529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7526] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7524] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] set_robust_list(0x7f2f310f39a0, 24 [pid 7529] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7524] <... futex resumed>) = 0 [pid 7533] <... set_robust_list resumed>) = 0 [pid 7529] <... futex resumed>) = 0 [pid 7526] ioctl(3, UFFDIO_REGISTER, NULL [pid 7524] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] rt_sigprocmask(SIG_SETMASK, [], [pid 7529] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7528] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7533] userfaultfd(UFFD_USER_MODE_ONLY [pid 7526] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7524] <... futex resumed>) = 0 [pid 7524] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7524] <... futex resumed>) = 0 [pid 7533] <... userfaultfd resumed>) = 3 [pid 7524] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7533] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7526] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7529] <... futex resumed>) = 0 [pid 7526] <... futex resumed>) = 1 [pid 7524] <... futex resumed>) = 0 [pid 7533] ioctl(3, UFFDIO_API, NULL [pid 7529] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7524] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7524] <... futex resumed>) = 0 [pid 7533] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7524] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = 1 [pid 7529] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... madvise resumed>) = 0 [pid 7533] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7529] <... futex resumed>) = 0 [pid 7533] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7533] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7526] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7533] <... futex resumed>) = 0 [pid 7529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7525] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7526] <... futex resumed>) = 1 [pid 7525] <... futex resumed>) = 0 [pid 7524] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7529] <... futex resumed>) = 0 [pid 7526] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7533] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7529] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7524] exit_group(0 [pid 7526] <... futex resumed>) = ? [pid 7524] <... exit_group resumed>) = ? [pid 7527] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7526] +++ exited with 0 +++ [pid 7524] +++ exited with 0 +++ [pid 7527] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7524, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7527] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7528] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7534 attached [pid 7528] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7534 [pid 7534] set_robust_list(0x555592b0f6a0, 24 [pid 7528] <... futex resumed>) = 0 [pid 7534] <... set_robust_list resumed>) = 0 [pid 7528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7534] setpgid(0, 0) = 0 [pid 7534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7534] write(3, "1000", 4) = 4 executing program [pid 7534] close(3 [pid 7530] <... io_uring_register resumed>) = 0 [pid 7525] <... mmap resumed>) = 0x7f2f310b2000 [pid 7534] <... close resumed>) = 0 [pid 7525] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7534] write(1, "executing program\n", 18 [pid 7525] <... mprotect resumed>) = 0 [pid 7534] <... write resumed>) = 18 [pid 7534] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7534] <... futex resumed>) = 0 [pid 7534] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7530] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7530] <... futex resumed>) = 0 [pid 7534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7530] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7535 attached ) = 0x7f2f310d3000 [pid 7534] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7525] <... clone3 resumed> => {parent_tid=[7535]}, 88) = 7535 [pid 7535] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7534] <... mprotect resumed>) = 0 [pid 7525] rt_sigprocmask(SIG_SETMASK, [], [pid 7535] <... rseq resumed>) = 0 [pid 7535] set_robust_list(0x7f2f310d29a0, 24 [pid 7534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7535] <... set_robust_list resumed>) = 0 [pid 7534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7529] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] rt_sigprocmask(SIG_SETMASK, [], [pid 7534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7529] <... futex resumed>) = 0 [pid 7525] <... futex resumed>) = 0 [pid 7535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7525] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7536 attached [pid 7535] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... clone3 resumed> => {parent_tid=[7536]}, 88) = 7536 [pid 7536] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7535] <... futex resumed>) = 1 [pid 7534] rt_sigprocmask(SIG_SETMASK, [], [pid 7525] <... futex resumed>) = 0 [pid 7536] <... rseq resumed>) = 0 [pid 7535] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7525] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] set_robust_list(0x7f2f310f39a0, 24 [pid 7534] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7525] <... futex resumed>) = 1 [pid 7536] <... set_robust_list resumed>) = 0 [pid 7534] <... futex resumed>) = 0 [pid 7530] <... futex resumed>) = 0 [pid 7525] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7536] rt_sigprocmask(SIG_SETMASK, [], [pid 7534] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7530] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7530] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7536] userfaultfd(UFFD_USER_MODE_ONLY [pid 7530] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] <... userfaultfd resumed>) = 3 [pid 7532] <... io_uring_register resumed>) = 0 [pid 7531] <... io_uring_register resumed>) = 0 [pid 7530] <... futex resumed>) = 1 [pid 7528] <... mmap resumed>) = 0x7f2f310b2000 [pid 7527] <... mmap resumed>) = 0x7f2f310b2000 [pid 7525] <... futex resumed>) = 0 [pid 7536] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7527] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7525] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] <... futex resumed>) = 1 [pid 7534] <... futex resumed>) = 0 [pid 7530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7528] <... mprotect resumed>) = 0 [pid 7527] <... mprotect resumed>) = 0 [pid 7525] <... futex resumed>) = 0 [pid 7536] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7528] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7527] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] <... futex resumed>) = 0 [pid 7528] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7527] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7532] <... futex resumed>) = 0 [pid 7528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7527] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7538 attached ./strace-static-x86_64: Process 7537 attached [pid 7536] ioctl(3, UFFDIO_API, NULL [pid 7534] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7538] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7537] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7536] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7531] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] <... clone3 resumed> => {parent_tid=[7537]}, 88) = 7537 [pid 7527] <... clone3 resumed> => {parent_tid=[7538]}, 88) = 7538 [pid 7538] <... rseq resumed>) = 0 [pid 7537] <... rseq resumed>) = 0 [pid 7536] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = 0 [pid 7528] rt_sigprocmask(SIG_SETMASK, [], [pid 7527] rt_sigprocmask(SIG_SETMASK, [], [pid 7538] set_robust_list(0x7f2f310d29a0, 24 [pid 7537] set_robust_list(0x7f2f310d29a0, 24 [pid 7536] <... futex resumed>) = 1 [pid 7534] <... futex resumed>) = 0 [pid 7531] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7538] <... set_robust_list resumed>) = 0 [pid 7537] <... set_robust_list resumed>) = 0 [pid 7536] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] rt_sigprocmask(SIG_SETMASK, [], [pid 7537] rt_sigprocmask(SIG_SETMASK, [], [pid 7536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] <... futex resumed>) = 0 [pid 7530] <... madvise resumed>) = 0 [pid 7528] <... futex resumed>) = 0 [pid 7527] <... futex resumed>) = 0 [pid 7525] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7536] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7534] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7530] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7527] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7538] ioctl(3, UFFDIO_REGISTER, NULL [pid 7537] ioctl(3, UFFDIO_REGISTER, NULL [pid 7536] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7530] <... futex resumed>) = 0 [pid 7538] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7537] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7536] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... io_uring_register resumed>) = 0 [pid 7530] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] <... mmap resumed>) = 0x7f2f310b2000 [pid 7525] exit_group(0 [pid 7538] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7537] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] <... futex resumed>) = 1 [pid 7535] <... futex resumed>) = ? [pid 7534] <... futex resumed>) = 0 [pid 7533] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = ? [pid 7529] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7525] <... exit_group resumed>) = ? [pid 7538] <... futex resumed>) = 1 [pid 7537] <... futex resumed>) = 1 [pid 7536] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] +++ exited with 0 +++ [pid 7534] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... futex resumed>) = 0 [pid 7530] +++ exited with 0 +++ [pid 7529] <... mprotect resumed>) = 0 [pid 7528] <... futex resumed>) = 0 [pid 7527] <... futex resumed>) = 0 [pid 7525] +++ exited with 0 +++ [pid 7538] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7537] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] <... futex resumed>) = 0 [pid 7533] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7528] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7534] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7531] <... futex resumed>) = 0 [pid 7529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7527] <... futex resumed>) = 1 [pid 7532] <... futex resumed>) = 0 [pid 7531] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7528] <... futex resumed>) = 1 [pid 7527] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7525, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- ./strace-static-x86_64: Process 7539 attached [pid 7532] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7531] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7528] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7539] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7532] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7531] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] <... clone3 resumed> => {parent_tid=[7539]}, 88) = 7539 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7539] <... rseq resumed>) = 0 [pid 7532] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = 1 [pid 7529] rt_sigprocmask(SIG_SETMASK, [], [pid 7527] <... futex resumed>) = 0 [pid 7539] set_robust_list(0x7f2f310d29a0, 24 [pid 7532] <... futex resumed>) = 1 [pid 7531] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7528] <... futex resumed>) = 0 [pid 7527] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7539] <... set_robust_list resumed>) = 0 [pid 7532] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7529] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7527] <... futex resumed>) = 0 [pid 7539] rt_sigprocmask(SIG_SETMASK, [], [pid 7532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7531] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7529] <... futex resumed>) = 0 [pid 7528] <... futex resumed>) = 0 [pid 7527] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7532] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7529] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... restart_syscall resumed>) = 0 [pid 7539] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7532] <... madvise resumed>) = 0 [pid 7539] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7528] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7539] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7540 attached [pid 7539] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] <... madvise resumed>) = 0 [pid 7529] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] set_robust_list(0x555592b0f6a0, 24 [pid 7529] <... futex resumed>) = 1 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7540 [pid 7533] <... futex resumed>) = 0 [pid 7532] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] <... futex resumed>) = 1 [pid 7531] <... futex resumed>) = 1 [pid 7528] <... futex resumed>) = 0 [pid 7527] <... futex resumed>) = 0 [pid 7540] <... set_robust_list resumed>) = 0 [pid 7533] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7532] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7528] exit_group(0 [pid 7527] exit_group(0 [pid 7540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7538] <... futex resumed>) = ? [pid 7537] <... futex resumed>) = ? [pid 7533] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7532] <... futex resumed>) = ? [pid 7531] <... futex resumed>) = ? [pid 7528] <... exit_group resumed>) = ? [pid 7527] <... exit_group resumed>) = ? [pid 7540] <... prctl resumed>) = 0 [pid 7538] +++ exited with 0 +++ [pid 7537] +++ exited with 0 +++ [pid 7536] <... io_uring_register resumed>) = 0 [pid 7533] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] +++ exited with 0 +++ [pid 7531] +++ exited with 0 +++ [pid 7527] +++ exited with 0 +++ [pid 7540] setpgid(0, 0 [pid 7533] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7536] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] <... setpgid resumed>) = 0 [pid 7533] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7536] <... futex resumed>) = 1 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7527, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7534] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7529] <... futex resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7534] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7534] <... futex resumed>) = 0 [pid 7529] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7528] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7528, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7534] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... restart_syscall resumed>) = 0 [pid 7540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7536] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7536] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7541 attached ) = 1 [pid 7534] <... futex resumed>) = 0 [pid 7536] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7541 [pid 7540] <... openat resumed>) = 3 [pid 7536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] <... futex resumed>) = 0 [pid 7540] write(3, "1000", 4 [pid 7536] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7534] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] <... write resumed>) = 4 [pid 7536] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7540] close(3 [pid 7536] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] <... close resumed>) = 0 [pid 7536] <... futex resumed>) = 1 [pid 7534] <... futex resumed>) = 0 [pid 7541] set_robust_list(0x555592b0f6a0, 24 [pid 7534] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] <... set_robust_list resumed>) = 0 [pid 7534] <... futex resumed>) = 0 [pid 7541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7536] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7534] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... restart_syscall resumed>) = 0 executing program [pid 7541] <... prctl resumed>) = 0 [pid 7540] write(1, "executing program\n", 18 [pid 7541] setpgid(0, 0 [pid 7540] <... write resumed>) = 18 [pid 7541] <... setpgid resumed>) = 0 [pid 7540] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... madvise resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7542 attached [pid 7541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7540] <... futex resumed>) = 0 [pid 7533] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] set_robust_list(0x555592b0f6a0, 24 [pid 7533] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7542] <... set_robust_list resumed>) = 0 [pid 7541] <... openat resumed>) = 3 [pid 7540] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7533] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] exit_group(0 [pid 7542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7540] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7539] <... futex resumed>) = ? [pid 7533] <... futex resumed>) = ? [pid 7529] <... exit_group resumed>) = ? [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7542 [pid 7542] <... prctl resumed>) = 0 [pid 7541] write(3, "1000", 4 [pid 7540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7539] +++ exited with 0 +++ [pid 7542] setpgid(0, 0 [pid 7541] <... write resumed>) = 4 [pid 7540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7536] <... madvise resumed>) = 0 [pid 7533] +++ exited with 0 +++ [pid 7529] +++ exited with 0 +++ [pid 7542] <... setpgid resumed>) = 0 [pid 7541] close(3 [pid 7540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7536] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7534] <... futex resumed>) = 0 [pid 7542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7541] <... close resumed>) = 0 [pid 7540] <... mmap resumed>) = 0x7f2f310d3000 [pid 7536] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] exit_group(0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7529, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7542] <... openat resumed>) = 3 executing program [pid 7541] write(1, "executing program\n", 18 [pid 7540] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7536] <... futex resumed>) = ? [pid 7534] <... exit_group resumed>) = ? [pid 7542] write(3, "1000", 4 [pid 7541] <... write resumed>) = 18 [pid 7536] +++ exited with 0 +++ [pid 7542] <... write resumed>) = 4 [pid 7541] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] close(3 [pid 7541] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7542] <... close resumed>) = 0 [pid 7541] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7540] <... mprotect resumed>) = 0 [pid 7534] +++ exited with 0 +++ executing program [pid 7542] write(1, "executing program\n", 18 [pid 7541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7542] <... write resumed>) = 18 [pid 7541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7542] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7542] <... futex resumed>) = 0 [pid 7541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7542] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7541] <... mmap resumed>) = 0x7f2f310d3000 [pid 7542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7541] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7541] <... mprotect resumed>) = 0 [pid 7540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7534, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 7543 attached [pid 7542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7540] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7543] set_robust_list(0x555592b0f6a0, 24 [pid 7542] <... mmap resumed>) = 0x7f2f310d3000 [pid 7540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7543 ./strace-static-x86_64: Process 7544 attached [pid 7542] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7545 attached [pid 7544] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7543] <... set_robust_list resumed>) = 0 [pid 7542] <... mprotect resumed>) = 0 [pid 7545] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7540] <... clone3 resumed> => {parent_tid=[7544]}, 88) = 7544 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7541] <... clone3 resumed> => {parent_tid=[7545]}, 88) = 7545 [pid 7541] rt_sigprocmask(SIG_SETMASK, [], [pid 7545] <... rseq resumed>) = 0 [pid 7542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7545] set_robust_list(0x7f2f310f39a0, 24 [pid 7542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7541] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7545] <... set_robust_list resumed>) = 0 [pid 7542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7541] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7547 attached ./strace-static-x86_64: Process 7546 attached [pid 7545] rt_sigprocmask(SIG_SETMASK, [], [pid 7541] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] rt_sigprocmask(SIG_SETMASK, [], [pid 7545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7542] <... clone3 resumed> => {parent_tid=[7547]}, 88) = 7547 [pid 7545] userfaultfd(UFFD_USER_MODE_ONLY [pid 7542] rt_sigprocmask(SIG_SETMASK, [], [pid 7540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7545] <... userfaultfd resumed>) = 3 [pid 7542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7540] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7546 [pid 7546] set_robust_list(0x555592b0f6a0, 24 [pid 7545] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] <... rseq resumed>) = 0 [pid 7542] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] <... futex resumed>) = 0 [pid 7547] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7546] <... set_robust_list resumed>) = 0 [pid 7545] <... futex resumed>) = 1 [pid 7543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7542] <... futex resumed>) = 0 [pid 7541] <... futex resumed>) = 0 [pid 7547] <... rseq resumed>) = 0 [pid 7545] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7544] set_robust_list(0x7f2f310f39a0, 24 [pid 7542] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] set_robust_list(0x7f2f310f39a0, 24 [pid 7546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7544] <... set_robust_list resumed>) = 0 [pid 7543] <... prctl resumed>) = 0 [pid 7541] <... futex resumed>) = 0 [pid 7547] <... set_robust_list resumed>) = 0 [pid 7546] <... prctl resumed>) = 0 [pid 7545] ioctl(3, UFFDIO_API, NULL [pid 7547] rt_sigprocmask(SIG_SETMASK, [], [pid 7545] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7541] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7545] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] setpgid(0, 0 [pid 7547] userfaultfd(UFFD_USER_MODE_ONLY [pid 7545] <... futex resumed>) = 0 [pid 7544] rt_sigprocmask(SIG_SETMASK, [], [pid 7543] setpgid(0, 0 [pid 7541] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... userfaultfd resumed>) = 3 [pid 7546] <... setpgid resumed>) = 0 [pid 7545] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7543] <... setpgid resumed>) = 0 [pid 7541] <... futex resumed>) = 0 [pid 7547] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7545] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7544] userfaultfd(UFFD_USER_MODE_ONLY [pid 7543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7542] <... futex resumed>) = 0 [pid 7541] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] ioctl(3, UFFDIO_API, NULL [pid 7543] <... openat resumed>) = 3 [pid 7542] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7545] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] <... futex resumed>) = 0 [pid 7547] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7545] <... futex resumed>) = 1 [pid 7546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7541] <... futex resumed>) = 0 [pid 7547] <... futex resumed>) = 0 [pid 7545] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7544] <... userfaultfd resumed>) = 3 [pid 7543] write(3, "1000", 4 [pid 7542] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] <... openat resumed>) = 3 [pid 7544] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] <... write resumed>) = 4 [pid 7542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] <... futex resumed>) = 0 [pid 7546] write(3, "1000", 4 [pid 7544] <... futex resumed>) = 1 [pid 7543] close(3 [pid 7542] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] <... futex resumed>) = 0 [pid 7547] <... futex resumed>) = 0 [pid 7546] <... write resumed>) = 4 [pid 7544] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7543] <... close resumed>) = 0 [pid 7542] <... futex resumed>) = 1 [pid 7540] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1executing program executing program [pid 7546] close(3 [pid 7544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7543] write(1, "executing program\n", 18 [pid 7542] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] <... futex resumed>) = 0 [pid 7547] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7546] <... close resumed>) = 0 [pid 7544] ioctl(3, UFFDIO_API, NULL [pid 7543] <... write resumed>) = 18 [pid 7540] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7546] write(1, "executing program\n", 18 [pid 7544] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7546] <... write resumed>) = 18 [pid 7543] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... futex resumed>) = 0 [pid 7544] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = 0 [pid 7540] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7544] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7543] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7540] <... futex resumed>) = 0 [pid 7547] <... futex resumed>) = 1 [pid 7546] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7543] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7542] <... futex resumed>) = 0 [pid 7540] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7542] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7542] <... futex resumed>) = 0 [pid 7547] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7544] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7542] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7546] <... mmap resumed>) = 0x7f2f310d3000 [pid 7543] <... mmap resumed>) = 0x7f2f310d3000 [pid 7546] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7544] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7540] <... futex resumed>) = 0 [pid 7546] <... mprotect resumed>) = 0 [pid 7544] <... futex resumed>) = 1 [pid 7543] <... mprotect resumed>) = 0 [pid 7540] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7540] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7546] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7544] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7546] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} => {parent_tid=[7548]}, 88) = 7548 [pid 7546] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7548 attached [pid 7548] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7548] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7548] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7549 attached [pid 7549] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7546] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] <... clone3 resumed> => {parent_tid=[7549]}, 88) = 7549 [pid 7549] <... rseq resumed>) = 0 [pid 7548] <... futex resumed>) = 0 [pid 7546] <... futex resumed>) = 1 [pid 7548] userfaultfd(UFFD_USER_MODE_ONLY [pid 7546] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7549] set_robust_list(0x7f2f310f39a0, 24 [pid 7548] <... userfaultfd resumed>) = 3 [pid 7543] rt_sigprocmask(SIG_SETMASK, [], [pid 7541] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... set_robust_list resumed>) = 0 [pid 7543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7543] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7549] userfaultfd(UFFD_USER_MODE_ONLY [pid 7541] <... futex resumed>) = 0 [pid 7548] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7548] <... futex resumed>) = 1 [pid 7548] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] <... io_uring_register resumed>) = 0 [pid 7549] <... userfaultfd resumed>) = 3 [pid 7546] <... futex resumed>) = 0 [pid 7545] <... io_uring_register resumed>) = 0 [pid 7544] <... io_uring_register resumed>) = 0 [pid 7543] <... futex resumed>) = 0 [pid 7547] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7541] <... mmap resumed>) = 0x7f2f310b2000 [pid 7540] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7549] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... futex resumed>) = 0 [pid 7546] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7545] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7542] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7540] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 0 [pid 7548] <... futex resumed>) = 0 [pid 7547] ioctl(3, UFFDIO_REGISTER, NULL [pid 7546] <... futex resumed>) = 1 [pid 7545] <... futex resumed>) = 0 [pid 7544] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7542] <... futex resumed>) = 0 [pid 7541] <... mprotect resumed>) = 0 [pid 7540] <... futex resumed>) = 0 [pid 7549] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7548] ioctl(3, UFFDIO_API, NULL [pid 7547] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7546] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7545] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7544] ioctl(3, UFFDIO_REGISTER, NULL [pid 7543] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7540] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7548] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7547] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7543] <... futex resumed>) = 0 [pid 7542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7549] ioctl(3, UFFDIO_API, NULL [pid 7548] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... futex resumed>) = 0 [pid 7544] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7542] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7549] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7548] <... futex resumed>) = 1 [pid 7547] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7546] <... futex resumed>) = 0 [pid 7544] <... futex resumed>) = 1 [pid 7542] <... futex resumed>) = 0 [pid 7540] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7550 attached [pid 7549] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7546] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7542] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7549] <... futex resumed>) = 1 [pid 7548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7547] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] <... futex resumed>) = 0 [pid 7544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7543] <... futex resumed>) = 0 [pid 7542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] <... clone3 resumed> => {parent_tid=[7550]}, 88) = 7550 [pid 7540] <... futex resumed>) = 0 [pid 7550] <... rseq resumed>) = 0 [pid 7549] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7548] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7547] <... futex resumed>) = 0 [pid 7546] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7543] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] rt_sigprocmask(SIG_SETMASK, [], [pid 7550] set_robust_list(0x7f2f310d29a0, 24 [pid 7549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7544] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7542] <... futex resumed>) = 0 [pid 7540] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7549] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7547] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7544] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7542] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7544] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7540] <... futex resumed>) = 0 [pid 7544] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7540] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7540] <... futex resumed>) = 0 [pid 7544] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7540] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... set_robust_list resumed>) = 0 [pid 7549] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7548] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7547] <... madvise resumed>) = 0 [pid 7543] <... futex resumed>) = 0 [pid 7541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7550] rt_sigprocmask(SIG_SETMASK, [], [pid 7549] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7541] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7549] <... futex resumed>) = 0 [pid 7548] <... futex resumed>) = 1 [pid 7547] <... futex resumed>) = 1 [pid 7546] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7542] <... futex resumed>) = 0 [pid 7541] <... futex resumed>) = 0 [pid 7550] ioctl(3, UFFDIO_REGISTER, NULL [pid 7549] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7548] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... futex resumed>) = 0 [pid 7544] <... madvise resumed>) = 0 [pid 7543] <... futex resumed>) = 0 [pid 7542] exit_group(0 [pid 7550] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7548] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7546] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7543] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] <... futex resumed>) = ? [pid 7542] <... exit_group resumed>) = ? [pid 7550] <... futex resumed>) = 1 [pid 7541] <... futex resumed>) = 0 [pid 7550] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7544] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7545] <... futex resumed>) = 0 [pid 7544] <... futex resumed>) = 1 [pid 7541] <... futex resumed>) = 1 [pid 7540] <... futex resumed>) = 0 [pid 7545] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7541] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7540] exit_group(0 [pid 7545] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7540] <... exit_group resumed>) = ? [pid 7545] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7544] +++ exited with 0 +++ [pid 7547] +++ exited with 0 +++ [pid 7545] <... futex resumed>) = 1 [pid 7542] +++ exited with 0 +++ [pid 7541] <... futex resumed>) = 0 [pid 7545] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7541] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7542, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7541] <... futex resumed>) = 0 [pid 7540] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7540, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7545] <... madvise resumed>) = 0 [pid 7541] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7551 attached , child_tidptr=0x555592b0f690) = 7551 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7551] set_robust_list(0x555592b0f6a0, 24 [pid 7545] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7541] <... futex resumed>) = 0 [pid 7551] <... set_robust_list resumed>) = 0 [pid 7545] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7541] exit_group(0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7552 attached [pid 7551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7550] <... futex resumed>) = ? [pid 7549] <... io_uring_register resumed>) = 0 [pid 7545] <... futex resumed>) = ? [pid 7541] <... exit_group resumed>) = ? [pid 7552] set_robust_list(0x555592b0f6a0, 24 [pid 7551] <... prctl resumed>) = 0 [pid 7550] +++ exited with 0 +++ [pid 7552] <... set_robust_list resumed>) = 0 [pid 7551] setpgid(0, 0 [pid 7545] +++ exited with 0 +++ [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7552 [pid 7551] <... setpgid resumed>) = 0 [pid 7552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7552] <... prctl resumed>) = 0 [pid 7551] <... openat resumed>) = 3 [pid 7541] +++ exited with 0 +++ [pid 7552] setpgid(0, 0 [pid 7551] write(3, "1000", 4 [pid 7552] <... setpgid resumed>) = 0 [pid 7551] <... write resumed>) = 4 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7541, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7551] close(3 [pid 7552] <... openat resumed>) = 3 [pid 7551] <... close resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...>executing program [pid 7552] write(3, "1000", 4 [pid 7551] write(1, "executing program\n", 18 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7552] <... write resumed>) = 4 [pid 7551] <... write resumed>) = 18 [pid 7552] close(3 [pid 7551] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] <... close resumed>) = 0 [pid 7551] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7552] write(1, "executing program\n", 18 [pid 7551] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7552] <... write resumed>) = 18 [pid 7551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7553 ./strace-static-x86_64: Process 7553 attached [pid 7552] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7552] <... futex resumed>) = 0 [pid 7551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7552] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7553] set_robust_list(0x555592b0f6a0, 24 [pid 7552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7551] <... mmap resumed>) = 0x7f2f310d3000 [pid 7549] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] <... set_robust_list resumed>) = 0 [pid 7552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7551] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7549] <... futex resumed>) = 1 [pid 7543] <... futex resumed>) = 0 [pid 7553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7551] <... mprotect resumed>) = 0 [pid 7549] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7543] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] <... prctl resumed>) = 0 [pid 7552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7546] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] <... futex resumed>) = 0 [pid 7553] setpgid(0, 0 [pid 7552] <... mmap resumed>) = 0x7f2f310d3000 [pid 7551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7546] <... futex resumed>) = 0 [pid 7543] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7553] <... setpgid resumed>) = 0 [pid 7552] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7548] <... io_uring_register resumed>) = 0 [pid 7546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7546] <... mmap resumed>) = 0x7f2f310b2000 ./strace-static-x86_64: Process 7554 attached [pid 7553] <... openat resumed>) = 3 [pid 7546] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7552] <... mprotect resumed>) = 0 [pid 7549] ioctl(3, UFFDIO_REGISTER, NULL [pid 7553] write(3, "1000", 4 [pid 7552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7551] <... clone3 resumed> => {parent_tid=[7554]}, 88) = 7554 [pid 7546] <... mprotect resumed>) = 0 [pid 7548] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7553] <... write resumed>) = 4 [pid 7548] <... futex resumed>) = 0 [pid 7553] close(3 [pid 7548] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] <... close resumed>) = 0 executing program [pid 7553] write(1, "executing program\n", 18) = 18 [pid 7552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7546] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7553] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7551] rt_sigprocmask(SIG_SETMASK, [], [pid 7552] <... clone3 resumed> => {parent_tid=[7555]}, 88) = 7555 [pid 7549] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7556 attached ./strace-static-x86_64: Process 7555 attached [pid 7553] <... futex resumed>) = 0 [pid 7552] rt_sigprocmask(SIG_SETMASK, [], [pid 7551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7549] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7555] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7553] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7551] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = 1 [pid 7546] <... clone3 resumed> => {parent_tid=[7556]}, 88) = 7556 [pid 7543] <... futex resumed>) = 0 [pid 7555] <... rseq resumed>) = 0 [pid 7554] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7552] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 0 [pid 7549] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] rt_sigprocmask(SIG_SETMASK, [], [pid 7555] set_robust_list(0x7f2f310f39a0, 24 [pid 7554] <... rseq resumed>) = 0 [pid 7552] <... futex resumed>) = 0 [pid 7551] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7555] <... set_robust_list resumed>) = 0 [pid 7554] set_robust_list(0x7f2f310f39a0, 24 [pid 7552] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7546] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] rt_sigprocmask(SIG_SETMASK, [], [pid 7554] <... set_robust_list resumed>) = 0 [pid 7546] <... futex resumed>) = 0 [pid 7555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7554] rt_sigprocmask(SIG_SETMASK, [], [pid 7546] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] userfaultfd(UFFD_USER_MODE_ONLY [pid 7554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7556] <... rseq resumed>) = 0 [pid 7555] <... userfaultfd resumed>) = 3 [pid 7554] userfaultfd(UFFD_USER_MODE_ONLY [pid 7553] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7543] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] set_robust_list(0x7f2f310d29a0, 24 [pid 7555] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] <... userfaultfd resumed>) = 3 [pid 7553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7549] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = 1 [pid 7556] <... set_robust_list resumed>) = 0 [pid 7555] <... futex resumed>) = 1 [pid 7554] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7552] <... futex resumed>) = 0 [pid 7549] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7543] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7556] rt_sigprocmask(SIG_SETMASK, [], [pid 7555] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] <... futex resumed>) = 1 [pid 7553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7552] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 0 [pid 7549] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7554] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] <... mmap resumed>) = 0x7f2f310d3000 [pid 7552] <... futex resumed>) = 0 [pid 7551] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] ioctl(3, UFFDIO_REGISTER, NULL [pid 7555] ioctl(3, UFFDIO_API, NULL [pid 7554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7553] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7552] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... futex resumed>) = 0 [pid 7549] <... futex resumed>) = 1 [pid 7543] <... futex resumed>) = 0 [pid 7555] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7554] ioctl(3, UFFDIO_API, NULL [pid 7551] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7549] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7543] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7555] <... futex resumed>) = 1 [pid 7554] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] <... mprotect resumed>) = 0 [pid 7552] <... futex resumed>) = 0 [pid 7549] <... futex resumed>) = 0 [pid 7543] <... futex resumed>) = 1 [pid 7556] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] <... futex resumed>) = 1 [pid 7552] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 0 [pid 7549] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7556] <... futex resumed>) = 1 [pid 7555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7554] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7552] <... futex resumed>) = 0 [pid 7551] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7546] <... futex resumed>) = 0 [pid 7543] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7556] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7553] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7552] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... futex resumed>) = 0 [pid 7549] <... madvise resumed>) = 0 [pid 7546] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7551] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7549] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] <... futex resumed>) = 0 [pid 7546] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7557 attached [pid 7548] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7546] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7557] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7553] <... clone3 resumed> => {parent_tid=[7557]}, 88) = 7557 [pid 7548] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7557] <... rseq resumed>) = 0 [pid 7554] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7553] rt_sigprocmask(SIG_SETMASK, [], [pid 7549] <... futex resumed>) = 1 [pid 7548] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] <... futex resumed>) = 0 [pid 7557] set_robust_list(0x7f2f310f39a0, 24 [pid 7555] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7549] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7548] <... futex resumed>) = 1 [pid 7546] <... futex resumed>) = 0 [pid 7543] exit_group(0 [pid 7557] <... set_robust_list resumed>) = 0 [pid 7555] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] <... futex resumed>) = ? [pid 7548] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7546] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7543] <... exit_group resumed>) = ? [pid 7557] rt_sigprocmask(SIG_SETMASK, [], [pid 7554] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7551] <... futex resumed>) = 0 [pid 7548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7546] <... futex resumed>) = 0 [pid 7557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7553] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7546] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7557] userfaultfd(UFFD_USER_MODE_ONLY [pid 7555] <... futex resumed>) = 1 [pid 7554] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7552] <... futex resumed>) = 0 [pid 7551] <... futex resumed>) = 0 [pid 7549] +++ exited with 0 +++ [pid 7543] +++ exited with 0 +++ [pid 7557] <... userfaultfd resumed>) = 3 [pid 7555] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7548] <... madvise resumed>) = 0 [pid 7557] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7557] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7548] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7543, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7557] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] <... futex resumed>) = 1 [pid 7546] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7553] <... futex resumed>) = 0 [pid 7546] exit_group(0 [pid 7555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7552] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7552] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7558 attached [pid 7557] ioctl(3, UFFDIO_API, NULL [pid 7556] <... futex resumed>) = ? [pid 7553] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7546] <... exit_group resumed>) = ? [pid 7556] +++ exited with 0 +++ [pid 7557] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7558 [pid 7557] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7553] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7553] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7548] +++ exited with 0 +++ [pid 7546] +++ exited with 0 +++ [pid 7558] set_robust_list(0x555592b0f6a0, 24 [pid 7557] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7546, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7558] <... set_robust_list resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7557] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7558] <... prctl resumed>) = 0 [pid 7558] setpgid(0, 0) = 0 [pid 7558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7557] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] <... openat resumed>) = 3 [pid 7557] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7553] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7557] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7553] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7558] write(3, "1000", 4 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7558] <... write resumed>) = 4 [pid 7558] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7559 attached [pid 7558] <... close resumed>) = 0 executing program executing program [pid 7559] set_robust_list(0x555592b0f6a0, 24 [pid 7558] write(1, "executing program\n", 18 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7559 [pid 7559] <... set_robust_list resumed>) = 0 [pid 7558] <... write resumed>) = 18 [pid 7559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7558] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] <... prctl resumed>) = 0 [pid 7558] <... futex resumed>) = 0 [pid 7559] setpgid(0, 0) = 0 [pid 7559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7559] write(3, "1000", 4) = 4 [pid 7559] close(3) = 0 [pid 7559] write(1, "executing program\n", 18) = 18 [pid 7559] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7559] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7559] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7559] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7560 attached [pid 7558] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7559] <... clone3 resumed> => {parent_tid=[7560]}, 88) = 7560 [pid 7560] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7559] rt_sigprocmask(SIG_SETMASK, [], [pid 7560] <... rseq resumed>) = 0 [pid 7558] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7560] set_robust_list(0x7f2f310f39a0, 24 [pid 7559] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... set_robust_list resumed>) = 0 [pid 7559] <... futex resumed>) = 0 [pid 7560] rt_sigprocmask(SIG_SETMASK, [], [pid 7559] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7560] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7560] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7559] <... futex resumed>) = 0 [pid 7560] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7559] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7559] <... futex resumed>) = 0 [pid 7559] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7560] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7559] <... futex resumed>) = 0 [pid 7559] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7559] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7560] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7558] <... mmap resumed>) = 0x7f2f310d3000 [pid 7555] <... io_uring_register resumed>) = 0 [pid 7551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7558] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7551] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 0 [pid 7558] <... mprotect resumed>) = 0 [pid 7553] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] <... futex resumed>) = 0 [pid 7551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7553] <... futex resumed>) = 0 [pid 7552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7560] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7555] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7552] <... mmap resumed>) = 0x7f2f310b2000 [pid 7560] <... futex resumed>) = 1 [pid 7558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7555] <... futex resumed>) = 0 [pid 7560] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7552] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7561 attached [pid 7561] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7559] <... futex resumed>) = 0 [pid 7558] <... clone3 resumed> => {parent_tid=[7561]}, 88) = 7561 [pid 7552] <... mprotect resumed>) = 0 [pid 7561] <... rseq resumed>) = 0 [pid 7559] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] rt_sigprocmask(SIG_SETMASK, [], [pid 7552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7561] set_robust_list(0x7f2f310f39a0, 24 [pid 7558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7561] <... set_robust_list resumed>) = 0 [pid 7558] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] rt_sigprocmask(SIG_SETMASK, [], [pid 7558] <... futex resumed>) = 0 [pid 7561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7558] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7561] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7560] <... futex resumed>) = 0 [pid 7559] <... futex resumed>) = 1 [pid 7552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7561] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7561] <... futex resumed>) = 1 [pid 7559] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7558] <... futex resumed>) = 0 [pid 7552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7562 attached [pid 7561] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7558] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7562] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7558] <... futex resumed>) = 0 [pid 7552] <... clone3 resumed> => {parent_tid=[7562]}, 88) = 7562 [pid 7562] <... rseq resumed>) = 0 [pid 7561] ioctl(3, UFFDIO_API, NULL [pid 7558] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] rt_sigprocmask(SIG_SETMASK, [], [pid 7562] set_robust_list(0x7f2f310d29a0, 24 [pid 7561] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7562] <... set_robust_list resumed>) = 0 [pid 7561] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7562] rt_sigprocmask(SIG_SETMASK, [], [pid 7561] <... futex resumed>) = 1 [pid 7558] <... futex resumed>) = 0 [pid 7557] <... io_uring_register resumed>) = 0 [pid 7553] <... mmap resumed>) = 0x7f2f310b2000 [pid 7552] <... futex resumed>) = 0 [pid 7562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7561] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7558] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7557] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7552] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7562] ioctl(3, UFFDIO_REGISTER, NULL [pid 7561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7558] <... futex resumed>) = 0 [pid 7553] <... mprotect resumed>) = 0 [pid 7561] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7558] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7553] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7562] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7553] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7563 attached [pid 7562] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7557] <... futex resumed>) = 0 [pid 7563] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7562] <... futex resumed>) = 1 [pid 7561] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7557] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] <... clone3 resumed> => {parent_tid=[7563]}, 88) = 7563 [pid 7552] <... futex resumed>) = 0 [pid 7563] <... rseq resumed>) = 0 [pid 7562] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7561] <... futex resumed>) = 1 [pid 7558] <... futex resumed>) = 0 [pid 7553] rt_sigprocmask(SIG_SETMASK, [], [pid 7552] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7563] set_robust_list(0x7f2f310d29a0, 24 [pid 7561] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7558] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] <... futex resumed>) = 0 [pid 7553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7552] <... futex resumed>) = 1 [pid 7563] <... set_robust_list resumed>) = 0 [pid 7561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7558] <... futex resumed>) = 0 [pid 7555] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7553] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7563] rt_sigprocmask(SIG_SETMASK, [], [pid 7561] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7558] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7554] <... io_uring_register resumed>) = 0 [pid 7553] <... futex resumed>) = 0 [pid 7552] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... mmap resumed>) = 0x7f2f310b2000 [pid 7563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7555] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7551] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7563] ioctl(3, UFFDIO_REGISTER, NULL [pid 7555] <... futex resumed>) = 0 [pid 7552] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... mprotect resumed>) = 0 [pid 7563] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7555] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7554] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] <... futex resumed>) = 0 [pid 7551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7563] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] <... futex resumed>) = 0 [pid 7552] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7563] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7554] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7564 attached [pid 7563] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] <... madvise resumed>) = 0 [pid 7553] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7557] <... futex resumed>) = 0 [pid 7553] <... futex resumed>) = 1 [pid 7551] <... clone3 resumed> => {parent_tid=[7564]}, 88) = 7564 [pid 7557] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7553] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7551] rt_sigprocmask(SIG_SETMASK, [], [pid 7557] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7557] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7557] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7551] <... futex resumed>) = 0 [pid 7564] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7557] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7564] <... rseq resumed>) = 0 [pid 7557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7555] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7552] <... futex resumed>) = 0 [pid 7564] set_robust_list(0x7f2f310d29a0, 24 [pid 7557] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7553] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7552] exit_group(0 [pid 7564] <... set_robust_list resumed>) = 0 [pid 7552] <... exit_group resumed>) = ? [pid 7564] rt_sigprocmask(SIG_SETMASK, [], [pid 7555] +++ exited with 0 +++ [pid 7564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7564] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7562] <... futex resumed>) = ? [pid 7564] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... futex resumed>) = 0 [pid 7551] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7551] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7554] <... futex resumed>) = 0 [pid 7554] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7564] <... futex resumed>) = 1 [pid 7564] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7551] <... futex resumed>) = 0 [pid 7551] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7562] +++ exited with 0 +++ [pid 7552] +++ exited with 0 +++ [pid 7551] <... futex resumed>) = 0 [pid 7551] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7552, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7554] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 5831] <... restart_syscall resumed>) = 0 [pid 7557] <... madvise resumed>) = 0 [pid 7559] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7557] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7559] <... futex resumed>) = 0 [pid 7557] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7565 [pid 7553] exit_group(0./strace-static-x86_64: Process 7565 attached ) = ? [pid 7563] <... futex resumed>) = ? [pid 7563] +++ exited with 0 +++ [pid 7565] set_robust_list(0x555592b0f6a0, 24 [pid 7554] <... madvise resumed>) = 0 [pid 7565] <... set_robust_list resumed>) = 0 [pid 7565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7557] +++ exited with 0 +++ [pid 7553] +++ exited with 0 +++ [pid 7565] <... prctl resumed>) = 0 [pid 7565] setpgid(0, 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7553, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 7565] <... setpgid resumed>) = 0 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7554] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] <... openat resumed>) = 3 [pid 7554] <... futex resumed>) = 1 [pid 7551] <... futex resumed>) = 0 [pid 7551] exit_group(0 [pid 7564] <... futex resumed>) = ? [pid 7551] <... exit_group resumed>) = ? [pid 7565] write(3, "1000", 4 [pid 7564] +++ exited with 0 +++ [pid 7565] <... write resumed>) = 4 [pid 7565] close(3) = 0 executing program [pid 7565] write(1, "executing program\n", 18) = 18 [pid 7565] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7565] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7560] <... io_uring_register resumed>) = 0 [pid 7559] <... mmap resumed>) = 0x7f2f310b2000 [pid 7558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7554] +++ exited with 0 +++ [pid 7551] +++ exited with 0 +++ [pid 7565] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7560] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7558] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7565] <... mprotect resumed>) = 0 [pid 7560] <... futex resumed>) = 0 [pid 7559] <... mprotect resumed>) = 0 [pid 7558] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7551, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 7566 attached [pid 7565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7560] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7566 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7566] set_robust_list(0x555592b0f6a0, 24 [pid 7565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7568 attached ./strace-static-x86_64: Process 7567 attached [pid 7566] <... set_robust_list resumed>) = 0 [pid 7568] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7567] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7565] <... clone3 resumed> => {parent_tid=[7567]}, 88) = 7567 [pid 7559] <... clone3 resumed> => {parent_tid=[7568]}, 88) = 7568 [pid 7568] <... rseq resumed>) = 0 [pid 7567] <... rseq resumed>) = 0 [pid 7565] rt_sigprocmask(SIG_SETMASK, [], [pid 7559] rt_sigprocmask(SIG_SETMASK, [], [pid 7568] set_robust_list(0x7f2f310d29a0, 24 [pid 7567] set_robust_list(0x7f2f310f39a0, 24 [pid 7565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7568] <... set_robust_list resumed>) = 0 [pid 7567] <... set_robust_list resumed>) = 0 [pid 7565] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] rt_sigprocmask(SIG_SETMASK, [], [pid 7567] rt_sigprocmask(SIG_SETMASK, [], [pid 7566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7565] <... futex resumed>) = 0 [pid 7559] <... futex resumed>) = 0 [pid 7568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7566] <... prctl resumed>) = 0 [pid 7565] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7559] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7568] ioctl(3, UFFDIO_REGISTER, NULL [pid 7567] userfaultfd(UFFD_USER_MODE_ONLY [pid 7566] setpgid(0, 0 [pid 7568] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7567] <... userfaultfd resumed>) = 3 [pid 7566] <... setpgid resumed>) = 0 [pid 7568] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] <... futex resumed>) = 1 [pid 7567] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7559] <... futex resumed>) = 0 [pid 7568] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7567] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7565] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7559] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7565] <... futex resumed>) = 0 [pid 7559] <... futex resumed>) = 1 [pid 7567] ioctl(3, UFFDIO_API, NULL [pid 7566] <... openat resumed>) = 3 [pid 7565] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] <... futex resumed>) = 0 [pid 7559] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7567] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7566] write(3, "1000", 4 [pid 7560] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7567] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... write resumed>) = 4 [pid 7560] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7567] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7560] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7569 attached [pid 7567] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] close(3 [pid 7565] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] <... io_uring_register resumed>) = 0 [pid 7558] <... mmap resumed>) = 0x7f2f310b2000 [pid 7567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7567] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7558] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7565] <... futex resumed>) = 0 [pid 7565] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7567] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7569] set_robust_list(0x555592b0f6a0, 24 [pid 7567] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... close resumed>) = 0 [pid 7561] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... futex resumed>) = 1 [pid 7559] <... futex resumed>) = 0 [pid 7558] <... mprotect resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7569 executing program [pid 7569] <... set_robust_list resumed>) = 0 [pid 7567] <... futex resumed>) = 1 [pid 7566] write(1, "executing program\n", 18 [pid 7565] <... futex resumed>) = 0 [pid 7561] <... futex resumed>) = 0 [pid 7560] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7559] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7567] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7566] <... write resumed>) = 18 [pid 7565] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7559] <... futex resumed>) = 0 [pid 7558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7569] <... prctl resumed>) = 0 [pid 7566] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] <... futex resumed>) = 0 [pid 7560] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7559] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7569] setpgid(0, 0 [pid 7566] <... futex resumed>) = 0 [pid 7565] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] <... madvise resumed>) = 0 ./strace-static-x86_64: Process 7570 attached [pid 7569] <... setpgid resumed>) = 0 [pid 7566] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7558] <... clone3 resumed> => {parent_tid=[7570]}, 88) = 7570 [pid 7570] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7566] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7560] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] rt_sigprocmask(SIG_SETMASK, [], [pid 7570] <... rseq resumed>) = 0 [pid 7569] <... openat resumed>) = 3 [pid 7566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7560] <... futex resumed>) = 1 [pid 7558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7559] <... futex resumed>) = 0 [pid 7570] set_robust_list(0x7f2f310d29a0, 24 [pid 7569] write(3, "1000", 4 [pid 7566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7560] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7559] exit_group(0 [pid 7558] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] <... set_robust_list resumed>) = 0 [pid 7569] <... write resumed>) = 4 [pid 7566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7558] <... futex resumed>) = 0 [pid 7570] rt_sigprocmask(SIG_SETMASK, [], [pid 7569] close(3 [pid 7568] <... futex resumed>) = ? [pid 7566] <... mmap resumed>) = 0x7f2f310d3000 [pid 7560] <... futex resumed>) = ? [pid 7559] <... exit_group resumed>) = ? [pid 7558] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7569] <... close resumed>) = 0 [pid 7568] +++ exited with 0 +++ [pid 7566] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7570] ioctl(3, UFFDIO_REGISTER, NULL [pid 7566] <... mprotect resumed>) = 0 [pid 7570] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7570] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7570] <... futex resumed>) = 1 [pid 7566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}executing program [pid 7558] <... futex resumed>) = 0 [pid 7570] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7569] write(1, "executing program\n", 18./strace-static-x86_64: Process 7571 attached ) = 18 [pid 7566] <... clone3 resumed> => {parent_tid=[7571]}, 88) = 7571 [pid 7558] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7569] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] rt_sigprocmask(SIG_SETMASK, [], [pid 7561] <... futex resumed>) = 0 [pid 7560] +++ exited with 0 +++ [pid 7559] +++ exited with 0 +++ [pid 7558] <... futex resumed>) = 1 [pid 7571] <... rseq resumed>) = 0 [pid 7569] <... futex resumed>) = 0 [pid 7566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7561] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7558] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7559, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7571] set_robust_list(0x7f2f310f39a0, 24 [pid 7569] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7566] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7571] <... set_robust_list resumed>) = 0 [pid 7569] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7566] <... futex resumed>) = 0 [pid 7561] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] rt_sigprocmask(SIG_SETMASK, [], [pid 7569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7566] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7561] <... futex resumed>) = 1 [pid 7558] <... futex resumed>) = 0 [pid 7571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7561] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7558] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] userfaultfd(UFFD_USER_MODE_ONLY [pid 7569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7558] <... futex resumed>) = 0 [pid 7571] <... userfaultfd resumed>) = 3 [pid 7561] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7558] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7569] <... mmap resumed>) = 0x7f2f310d3000 [pid 7567] <... io_uring_register resumed>) = 0 [pid 7566] <... futex resumed>) = 0 [pid 7561] <... madvise resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7569] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7566] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7569] <... mprotect resumed>) = 0 [pid 7566] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] ioctl(3, UFFDIO_API, NULL [pid 7569] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7571] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7569] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7567] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7561] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7567] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7561] <... futex resumed>) = 1 [pid 7558] <... futex resumed>) = 0 [pid 7571] <... futex resumed>) = 1 [pid 7567] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] <... futex resumed>) = 0 [pid 7565] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7566] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] <... futex resumed>) = 0 [pid 7558] exit_group(0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7570] <... futex resumed>) = ? [pid 7567] ioctl(3, UFFDIO_REGISTER, NULL [pid 7566] <... futex resumed>) = 0 [pid 7565] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7558] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7572 attached ./strace-static-x86_64: Process 7573 attached [pid 7572] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7569] <... clone3 resumed> => {parent_tid=[7572]}, 88) = 7572 [pid 7566] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7561] +++ exited with 0 +++ [pid 7573] set_robust_list(0x555592b0f6a0, 24 [pid 7572] <... rseq resumed>) = 0 [pid 7569] rt_sigprocmask(SIG_SETMASK, [], [pid 7573] <... set_robust_list resumed>) = 0 [pid 7572] set_robust_list(0x7f2f310f39a0, 24 [pid 7569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7572] <... set_robust_list resumed>) = 0 [pid 7569] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... prctl resumed>) = 0 [pid 7572] rt_sigprocmask(SIG_SETMASK, [], [pid 7569] <... futex resumed>) = 0 [pid 7567] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7573] setpgid(0, 0 [pid 7572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7571] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7570] +++ exited with 0 +++ [pid 7569] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7567] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] +++ exited with 0 +++ [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7573 [pid 7573] <... setpgid resumed>) = 0 [pid 7572] userfaultfd(UFFD_USER_MODE_ONLY [pid 7567] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7558, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7572] <... userfaultfd resumed>) = 3 [pid 7565] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7565] <... futex resumed>) = 0 [pid 7567] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7565] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7567] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7573] <... openat resumed>) = 3 [pid 7572] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7567] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] <... futex resumed>) = 1 [pid 7569] <... futex resumed>) = 0 [pid 7573] write(3, "1000", 4 [pid 7572] ioctl(3, UFFDIO_API, NULL [pid 7571] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7573] <... write resumed>) = 4 [pid 7572] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7569] <... futex resumed>) = 0 [pid 7566] <... futex resumed>) = 0 [pid 7573] close(3 [pid 7572] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = 1 [pid 7569] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7567] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7566] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... close resumed>) = 0 [pid 7572] <... futex resumed>) = 0 [pid 7571] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7573] write(1, "executing program\n", 18 [pid 7572] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7569] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] <... futex resumed>) = 0 [pid 7565] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7573] <... write resumed>) = 18 [pid 7572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7569] <... futex resumed>) = 0 [pid 7566] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7565] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7573] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7569] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7573] <... futex resumed>) = 0 [pid 7572] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7573] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7572] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... mmap resumed>) = 0x7f2f310d3000 [pid 7572] <... futex resumed>) = 1 [pid 7569] <... futex resumed>) = 0 [pid 7572] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7569] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7574 attached [pid 7567] <... madvise resumed>) = 0 [pid 7573] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7574] set_robust_list(0x555592b0f6a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7574 [pid 7573] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7569] <... futex resumed>) = 0 [pid 7573] <... clone3 resumed> => {parent_tid=[7575]}, 88) = 7575 [pid 7569] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7575 attached [pid 7573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7573] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7573] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7575] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7575] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7575] userfaultfd(UFFD_USER_MODE_ONLY [pid 7574] <... set_robust_list resumed>) = 0 [pid 7567] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7567] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7565] <... futex resumed>) = 0 [pid 7575] <... userfaultfd resumed>) = 3 [pid 7575] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7573] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7575] ioctl(3, UFFDIO_API, NULL [pid 7573] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7575] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7575] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7573] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7573] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7575] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7574] <... prctl resumed>) = 0 [pid 7565] exit_group(0 [pid 7575] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7574] setpgid(0, 0 [pid 7567] <... futex resumed>) = ? [pid 7565] <... exit_group resumed>) = ? [pid 7574] <... setpgid resumed>) = 0 [pid 7567] +++ exited with 0 +++ [pid 7565] +++ exited with 0 +++ [pid 7575] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7565, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7575] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7573] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7576 attached [pid 7575] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7574] <... openat resumed>) = 3 [pid 7573] <... futex resumed>) = 0 [pid 7576] set_robust_list(0x555592b0f6a0, 24 [pid 7574] write(3, "1000", 4 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7576 [pid 7576] <... set_robust_list resumed>) = 0 [pid 7576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7574] <... write resumed>) = 4 [pid 7573] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7576] <... prctl resumed>) = 0 [pid 7576] setpgid(0, 0 [pid 7574] close(3 [pid 7566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7576] <... setpgid resumed>) = 0 [pid 7574] <... close resumed>) = 0 [pid 7566] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7574] write(1, "executing program\n", 18 [pid 7566] <... futex resumed>) = 0 [pid 7574] <... write resumed>) = 18 [pid 7566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7574] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7574] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7576] <... openat resumed>) = 3 [pid 7574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7576] write(3, "1000", 4 [pid 7569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7576] <... write resumed>) = 4 [pid 7574] <... mmap resumed>) = 0x7f2f310d3000 [pid 7576] close(3 [pid 7574] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7576] <... close resumed>) = 0 [pid 7576] write(1, "executing program\n", 18 [pid 7569] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7576] <... write resumed>) = 18 [pid 7569] <... futex resumed>) = 0 [pid 7576] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7576] <... futex resumed>) = 0 [pid 7574] <... mprotect resumed>) = 0 [pid 7566] <... mmap resumed>) = 0x7f2f310b2000 [pid 7571] <... io_uring_register resumed>) = 0 [pid 7576] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7576] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7571] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7571] <... futex resumed>) = 0 [pid 7566] <... mprotect resumed>) = 0 [pid 7576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7571] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7577 attached [pid 7574] <... clone3 resumed> => {parent_tid=[7577]}, 88) = 7577 [pid 7566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7576] <... mmap resumed>) = 0x7f2f310d3000 [pid 7574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7576] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7577] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7577] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7574] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7576] <... mprotect resumed>) = 0 [pid 7574] <... futex resumed>) = 0 [pid 7577] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7576] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7574] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7578 attached [pid 7577] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7566] <... clone3 resumed> => {parent_tid=[7578]}, 88) = 7578 ./strace-static-x86_64: Process 7579 attached [pid 7566] rt_sigprocmask(SIG_SETMASK, [], [pid 7578] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7577] <... futex resumed>) = 1 [pid 7579] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7576] <... clone3 resumed> => {parent_tid=[7579]}, 88) = 7579 [pid 7574] <... futex resumed>) = 0 [pid 7566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7574] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7576] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] <... futex resumed>) = 0 [pid 7576] <... futex resumed>) = 0 [pid 7566] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7576] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7579] <... rseq resumed>) = 0 [pid 7578] <... rseq resumed>) = 0 [pid 7577] ioctl(3, UFFDIO_API, NULL [pid 7579] set_robust_list(0x7f2f310f39a0, 24) = 0 [pid 7578] set_robust_list(0x7f2f310d29a0, 24 [pid 7577] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7573] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7578] <... set_robust_list resumed>) = 0 [pid 7577] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] userfaultfd(UFFD_USER_MODE_ONLY [pid 7578] rt_sigprocmask(SIG_SETMASK, [], [pid 7577] <... futex resumed>) = 1 [pid 7574] <... futex resumed>) = 0 [pid 7573] <... futex resumed>) = 0 [pid 7579] <... userfaultfd resumed>) = 3 [pid 7578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7577] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7574] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7579] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7578] ioctl(3, UFFDIO_REGISTER, NULL [pid 7577] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7579] <... futex resumed>) = 1 [pid 7578] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7577] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = 0 [pid 7574] <... futex resumed>) = 0 [pid 7572] <... io_uring_register resumed>) = 0 [pid 7569] <... mmap resumed>) = 0x7f2f310b2000 [pid 7579] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7578] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] <... futex resumed>) = 0 [pid 7576] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7569] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7578] <... futex resumed>) = 1 [pid 7577] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7576] <... futex resumed>) = 0 [pid 7574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7572] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] <... mprotect resumed>) = 0 [pid 7566] <... futex resumed>) = 0 [pid 7579] ioctl(3, UFFDIO_API, NULL [pid 7578] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7576] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] <... futex resumed>) = 0 [pid 7569] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7566] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7577] <... futex resumed>) = 0 [pid 7574] <... futex resumed>) = 1 [pid 7572] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7571] <... futex resumed>) = 0 [pid 7569] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7566] <... futex resumed>) = 1 [pid 7579] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7574] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7566] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7579] <... futex resumed>) = 1 [pid 7576] <... futex resumed>) = 0 [pid 7571] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7576] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7580 attached [pid 7579] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7576] <... futex resumed>) = 0 [pid 7571] <... futex resumed>) = 0 [pid 7566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7576] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7571] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7569] <... clone3 resumed> => {parent_tid=[7580]}, 88) = 7580 [pid 7566] <... futex resumed>) = 0 [pid 7580] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7569] rt_sigprocmask(SIG_SETMASK, [], [pid 7566] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... rseq resumed>) = 0 [pid 7569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7580] set_robust_list(0x7f2f310d29a0, 24 [pid 7569] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... set_robust_list resumed>) = 0 [pid 7569] <... futex resumed>) = 0 [pid 7580] rt_sigprocmask(SIG_SETMASK, [], [pid 7569] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7580] ioctl(3, UFFDIO_REGISTER, NULL [pid 7579] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7580] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7579] <... futex resumed>) = 1 [pid 7576] <... futex resumed>) = 0 [pid 7580] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7580] <... futex resumed>) = 1 [pid 7579] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7576] <... futex resumed>) = 0 [pid 7571] <... madvise resumed>) = 0 [pid 7569] <... futex resumed>) = 0 [pid 7580] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7576] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7569] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] <... futex resumed>) = 0 [pid 7569] <... futex resumed>) = 1 [pid 7572] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7572] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7572] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7571] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7569] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7566] <... futex resumed>) = 0 [pid 7571] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] exit_group(0 [pid 7569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7578] <... futex resumed>) = ? [pid 7566] <... exit_group resumed>) = ? [pid 7569] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = ? [pid 7572] <... futex resumed>) = 0 [pid 7571] +++ exited with 0 +++ [pid 7569] <... futex resumed>) = 1 [pid 7572] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7569] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7578] +++ exited with 0 +++ [pid 7573] <... mmap resumed>) = 0x7f2f310b2000 [pid 7566] +++ exited with 0 +++ [pid 7573] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7566, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7573] <... mprotect resumed>) = 0 [pid 7575] <... io_uring_register resumed>) = 0 [pid 7574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7572] <... madvise resumed>) = 0 [pid 7575] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7575] <... futex resumed>) = 0 [pid 7573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7579] <... io_uring_register resumed>) = 0 [pid 7577] <... io_uring_register resumed>) = 0 [pid 7575] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7574] <... futex resumed>) = 0 [pid 7573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7572] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7581 attached [pid 7579] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7572] <... futex resumed>) = 1 [pid 7569] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7581] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7579] <... futex resumed>) = 0 [pid 7577] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] <... mmap resumed>) = 0x7f2f310b2000 [pid 7573] <... clone3 resumed> => {parent_tid=[7581]}, 88) = 7581 [pid 7572] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7582 attached [pid 7581] <... rseq resumed>) = 0 [pid 7579] ioctl(3, UFFDIO_REGISTER, NULL [pid 7576] <... futex resumed>) = 0 [pid 7574] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7573] rt_sigprocmask(SIG_SETMASK, [], [pid 7569] exit_group(0 [pid 7576] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] <... mprotect resumed>) = 0 [pid 7573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7582 [pid 7582] set_robust_list(0x555592b0f6a0, 24 [pid 7581] set_robust_list(0x7f2f310d29a0, 24 [pid 7580] <... futex resumed>) = ? [pid 7579] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7577] <... futex resumed>) = 0 [pid 7574] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7573] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] <... futex resumed>) = ? [pid 7569] <... exit_group resumed>) = ? [pid 7582] <... set_robust_list resumed>) = 0 [pid 7581] <... set_robust_list resumed>) = 0 [pid 7580] +++ exited with 0 +++ [pid 7579] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7574] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7573] <... futex resumed>) = 0 [pid 7572] +++ exited with 0 +++ [pid 7581] rt_sigprocmask(SIG_SETMASK, [], [pid 7579] <... futex resumed>) = 1 [pid 7576] <... futex resumed>) = 0 [pid 7574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7573] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7583 attached [pid 7581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7579] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7576] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7583] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7576] <... futex resumed>) = 0 [pid 7574] <... clone3 resumed> => {parent_tid=[7583]}, 88) = 7583 [pid 7583] <... rseq resumed>) = 0 [pid 7582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7579] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7576] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] rt_sigprocmask(SIG_SETMASK, [], [pid 7583] set_robust_list(0x7f2f310d29a0, 24 [pid 7582] <... prctl resumed>) = 0 [pid 7581] ioctl(3, UFFDIO_REGISTER, NULL [pid 7579] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7583] <... set_robust_list resumed>) = 0 [pid 7582] setpgid(0, 0 [pid 7581] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7579] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7583] rt_sigprocmask(SIG_SETMASK, [], [pid 7582] <... setpgid resumed>) = 0 [pid 7581] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] <... futex resumed>) = 1 [pid 7576] <... futex resumed>) = 0 [pid 7574] <... futex resumed>) = 0 [pid 7569] +++ exited with 0 +++ [pid 7583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7581] <... futex resumed>) = 1 [pid 7579] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7576] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7573] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7569, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7583] ioctl(3, UFFDIO_REGISTER, NULL [pid 7582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7581] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7576] <... futex resumed>) = 0 [pid 7573] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7583] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7579] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7576] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7575] <... futex resumed>) = 0 [pid 7573] <... futex resumed>) = 1 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7583] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] <... openat resumed>) = 3 [pid 7575] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7573] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7583] <... futex resumed>) = 1 [pid 7575] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7574] <... futex resumed>) = 0 [pid 7583] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7582] write(3, "1000", 4 [pid 7575] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] <... write resumed>) = 4 [pid 7575] <... futex resumed>) = 1 [pid 7574] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7577] <... futex resumed>) = 0 [pid 7582] close(3 [pid 7575] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7574] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7573] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0./strace-static-x86_64: Process 7584 attached [pid 7582] <... close resumed>) = 0 [pid 7577] <... ioctl resumed>) = -1 EINVAL (Invalid argument) executing program [pid 7575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7573] <... futex resumed>) = 0 [pid 7584] set_robust_list(0x555592b0f6a0, 24 [pid 7582] write(1, "executing program\n", 18 [pid 7577] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7575] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7573] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] <... set_robust_list resumed>) = 0 [pid 7582] <... write resumed>) = 18 [pid 7579] <... madvise resumed>) = 0 [pid 7577] <... futex resumed>) = 1 [pid 7574] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7584 [pid 7584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7582] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7579] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7574] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] <... prctl resumed>) = 0 [pid 7582] <... futex resumed>) = 0 [pid 7579] <... futex resumed>) = 1 [pid 7577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7576] <... futex resumed>) = 0 [pid 7574] <... futex resumed>) = 0 [pid 7584] setpgid(0, 0 [pid 7582] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7579] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7577] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7576] exit_group(0 [pid 7575] <... madvise resumed>) = 0 [pid 7574] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7582] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7576] <... exit_group resumed>) = ? [pid 7582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7575] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7575] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7575] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7573] exit_group(0 [pid 7582] <... mmap resumed>) = 0x7f2f310d3000 [pid 7581] <... futex resumed>) = ? [pid 7575] <... futex resumed>) = ? [pid 7573] <... exit_group resumed>) = ? [pid 7581] +++ exited with 0 +++ [pid 7575] +++ exited with 0 +++ [pid 7573] +++ exited with 0 +++ [pid 7582] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7584] <... setpgid resumed>) = 0 [pid 7582] <... mprotect resumed>) = 0 [pid 7579] <... futex resumed>) = ? [pid 7577] <... madvise resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7573, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7582] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7582] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7584] <... openat resumed>) = 3 [pid 7582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7579] +++ exited with 0 +++ [pid 7577] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7576] +++ exited with 0 +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7576, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7584] write(3, "1000", 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7585 attached [pid 7584] <... write resumed>) = 4 [pid 7577] <... futex resumed>) = 1 [pid 7574] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7586 attached [pid 7585] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7584] close(3 [pid 7582] <... clone3 resumed> => {parent_tid=[7585]}, 88) = 7585 [pid 7577] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7574] exit_group(0 [pid 7586] set_robust_list(0x555592b0f6a0, 24 [pid 7585] <... rseq resumed>) = 0 [pid 7584] <... close resumed>) = 0 [pid 7582] rt_sigprocmask(SIG_SETMASK, [], [pid 7583] <... futex resumed>) = ? [pid 7574] <... exit_group resumed>) = ? [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7577] <... futex resumed>) = ? [pid 7586] <... set_robust_list resumed>) = 0 [pid 7585] set_robust_list(0x7f2f310f39a0, 24 [pid 7584] write(1, "executing program\n", 18 [pid 7583] +++ exited with 0 +++ [pid 7582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7586 [pid 7586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7582] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... prctl resumed>) = 0 [pid 7582] <... futex resumed>) = 0 [pid 7586] setpgid(0, 0 [pid 7582] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7586] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7587 attached [pid 7585] <... set_robust_list resumed>) = 0 [pid 7584] <... write resumed>) = 18 [pid 7577] +++ exited with 0 +++ [pid 7574] +++ exited with 0 +++ [pid 7587] set_robust_list(0x555592b0f6a0, 24 [pid 7586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7585] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7574, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7587] <... set_robust_list resumed>) = 0 [pid 7584] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7587 [pid 7587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7587] <... prctl resumed>) = 0 [pid 7585] userfaultfd(UFFD_USER_MODE_ONLY [pid 7587] setpgid(0, 0 [pid 7586] <... openat resumed>) = 3 [pid 7584] <... futex resumed>) = 0 [pid 7585] <... userfaultfd resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7585] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] <... setpgid resumed>) = 0 [pid 7587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7588 attached [pid 7586] write(3, "1000", 4 [pid 7585] <... futex resumed>) = 1 [pid 7584] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7582] <... futex resumed>) = 0 [pid 7586] <... write resumed>) = 4 [pid 7585] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7584] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7582] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7588 [pid 7586] close(3 [pid 7585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7582] <... futex resumed>) = 0 [pid 7586] <... close resumed>) = 0 [pid 7585] ioctl(3, UFFDIO_API, NULL [pid 7584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7582] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7588] set_robust_list(0x555592b0f6a0, 24 [pid 7587] <... openat resumed>) = 3 [pid 7586] write(1, "executing program\n", 18 [pid 7585] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7588] <... set_robust_list resumed>) = 0 executing program [pid 7588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7587] write(3, "1000", 4 [pid 7586] <... write resumed>) = 18 [pid 7585] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] <... mmap resumed>) = 0x7f2f310d3000 [pid 7584] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7585] <... futex resumed>) = 1 [pid 7582] <... futex resumed>) = 0 [pid 7588] <... prctl resumed>) = 0 [pid 7587] <... write resumed>) = 4 [pid 7586] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] <... mprotect resumed>) = 0 [pid 7582] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] setpgid(0, 0 [pid 7587] close(3 [pid 7586] <... futex resumed>) = 0 [pid 7588] <... setpgid resumed>) = 0 [pid 7587] <... close resumed>) = 0 [pid 7586] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, executing program [pid 7588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7587] write(1, "executing program\n", 18 [pid 7586] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7582] <... futex resumed>) = 0 [pid 7585] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7582] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7588] <... openat resumed>) = 3 [pid 7587] <... write resumed>) = 18 [pid 7586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7584] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7588] write(3, "1000", 4 [pid 7587] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7588] <... write resumed>) = 4 [pid 7587] <... futex resumed>) = 0 [pid 7586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7585] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7588] close(3 [pid 7587] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7586] <... mmap resumed>) = 0x7f2f310d3000 [pid 7584] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7588] <... close resumed>) = 0 [pid 7585] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7585] <... futex resumed>) = 1 [pid 7582] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7589 attached executing program [pid 7588] write(1, "executing program\n", 18 [pid 7587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7586] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7585] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7582] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] <... write resumed>) = 18 [pid 7587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7586] <... mprotect resumed>) = 0 [pid 7582] <... futex resumed>) = 0 [pid 7589] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7588] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7584] <... clone3 resumed> => {parent_tid=[7589]}, 88) = 7589 [pid 7588] <... futex resumed>) = 0 [pid 7587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7588] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7587] <... mmap resumed>) = 0x7f2f310d3000 [pid 7586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7588] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7587] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7587] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7590 attached [pid 7590] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7590] <... rseq resumed>) = 0 [pid 7588] <... mmap resumed>) = 0x7f2f310d3000 [pid 7586] <... clone3 resumed> => {parent_tid=[7590]}, 88) = 7590 [pid 7590] set_robust_list(0x7f2f310f39a0, 24 [pid 7588] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7586] rt_sigprocmask(SIG_SETMASK, [], [pid 7589] <... rseq resumed>) = 0 [pid 7584] rt_sigprocmask(SIG_SETMASK, [], [pid 7582] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7589] set_robust_list(0x7f2f310f39a0, 24 [pid 7584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7589] <... set_robust_list resumed>) = 0 [pid 7584] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7589] rt_sigprocmask(SIG_SETMASK, [], [pid 7584] <... futex resumed>) = 0 [pid 7589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7584] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7589] userfaultfd(UFFD_USER_MODE_ONLY [pid 7590] <... set_robust_list resumed>) = 0 [pid 7589] <... userfaultfd resumed>) = 3 [pid 7589] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] rt_sigprocmask(SIG_SETMASK, [], [pid 7589] <... futex resumed>) = 1 [pid 7588] <... mprotect resumed>) = 0 [pid 7587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7584] <... futex resumed>) = 0 [pid 7589] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7586] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] <... clone3 resumed> => {parent_tid=[7591]}, 88) = 7591 [pid 7586] <... futex resumed>) = 0 [pid 7584] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7591 attached [pid 7589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7587] rt_sigprocmask(SIG_SETMASK, [], [pid 7586] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7591] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7589] ioctl(3, UFFDIO_API, NULL [pid 7587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7591] <... rseq resumed>) = 0 [pid 7590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7589] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7587] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] set_robust_list(0x7f2f310f39a0, 24 [pid 7589] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] <... set_robust_list resumed>) = 0 [pid 7589] <... futex resumed>) = 1 [pid 7591] rt_sigprocmask(SIG_SETMASK, [], [pid 7584] <... futex resumed>) = 0 [pid 7591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7589] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7584] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] userfaultfd(UFFD_USER_MODE_ONLY [pid 7590] userfaultfd(UFFD_USER_MODE_ONLY [pid 7589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7587] <... futex resumed>) = 0 [pid 7584] <... futex resumed>) = 0 [pid 7591] <... userfaultfd resumed>) = 3 [pid 7590] <... userfaultfd resumed>) = 3 [pid 7589] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7587] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7590] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] <... futex resumed>) = 1 [pid 7588] <... clone3 resumed> => {parent_tid=[7592]}, 88) = 7592 [pid 7586] <... futex resumed>) = 0 [pid 7590] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] rt_sigprocmask(SIG_SETMASK, [], [pid 7590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7586] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] ioctl(3, UFFDIO_API, NULL [pid 7589] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7588] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] <... futex resumed>) = 0 [pid 7591] <... futex resumed>) = 1 [pid 7590] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7588] <... futex resumed>) = 0 [pid 7587] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7592 attached [pid 7590] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7587] <... futex resumed>) = 0 [pid 7586] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7591] ioctl(3, UFFDIO_API, NULL [pid 7590] <... futex resumed>) = 0 [pid 7587] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7592] <... rseq resumed>) = 0 [pid 7591] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7590] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7586] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7589] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] set_robust_list(0x7f2f310f39a0, 24 [pid 7591] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7586] <... futex resumed>) = 0 [pid 7584] <... futex resumed>) = 0 [pid 7589] <... futex resumed>) = 1 [pid 7592] <... set_robust_list resumed>) = 0 [pid 7591] <... futex resumed>) = 1 [pid 7590] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7587] <... futex resumed>) = 0 [pid 7586] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] rt_sigprocmask(SIG_SETMASK, [], [pid 7591] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7589] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7587] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7587] <... futex resumed>) = 0 [pid 7592] userfaultfd(UFFD_USER_MODE_ONLY [pid 7591] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7587] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] <... futex resumed>) = 0 [pid 7592] <... userfaultfd resumed>) = 3 [pid 7584] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7588] <... futex resumed>) = 0 [pid 7592] ioctl(3, UFFDIO_API, NULL [pid 7588] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7591] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7588] <... futex resumed>) = 0 [pid 7592] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] <... futex resumed>) = 0 [pid 7590] <... futex resumed>) = 1 [pid 7588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7586] <... futex resumed>) = 0 [pid 7592] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7590] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7588] <... futex resumed>) = 0 [pid 7586] <... futex resumed>) = 0 [pid 7590] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7588] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7586] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7588] <... futex resumed>) = 0 [pid 7588] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7588] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7591] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7587] <... futex resumed>) = 0 [pid 7587] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7587] <... futex resumed>) = 0 [pid 7587] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7582] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7582] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] <... io_uring_register resumed>) = 0 [pid 7582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7585] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] <... mmap resumed>) = 0x7f2f310b2000 [pid 7585] <... futex resumed>) = 0 [pid 7585] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7582] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7584] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7582] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7586] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7584] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7586] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] <... futex resumed>) = 0 [pid 7582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7586] <... futex resumed>) = 0 [pid 7588] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 7586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7593 attached [pid 7584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7582] <... clone3 resumed> => {parent_tid=[7593]}, 88) = 7593 [pid 7588] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7582] rt_sigprocmask(SIG_SETMASK, [], [pid 7588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7593] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7582] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... rseq resumed>) = 0 [pid 7582] <... futex resumed>) = 0 [pid 7593] set_robust_list(0x7f2f310d29a0, 24 [pid 7582] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7593] <... set_robust_list resumed>) = 0 [pid 7593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7593] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7593] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7593] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7582] <... futex resumed>) = 0 [pid 7587] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7582] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7585] <... futex resumed>) = 0 [pid 7587] <... futex resumed>) = 0 [pid 7582] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7585] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7585] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7585] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7582] <... futex resumed>) = 0 [pid 7585] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7582] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... mmap resumed>) = 0x7f2f310b2000 [pid 7586] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7582] <... futex resumed>) = 0 [pid 7586] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7582] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7589] <... io_uring_register resumed>) = 0 [pid 7588] <... mmap resumed>) = 0x7f2f310b2000 [pid 7585] <... madvise resumed>) = 0 [pid 7584] <... mmap resumed>) = 0x7f2f310b2000 [pid 7589] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7592] <... io_uring_register resumed>) = 0 [pid 7590] <... io_uring_register resumed>) = 0 [pid 7589] <... futex resumed>) = 0 [pid 7588] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7586] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7585] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7589] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] <... mprotect resumed>) = 0 [pid 7586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7584] <... mprotect resumed>) = 0 [pid 7588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7584] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7594 attached [pid 7590] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7587] <... mmap resumed>) = 0x7f2f310b2000 [pid 7586] <... clone3 resumed> => {parent_tid=[7594]}, 88) = 7594 [pid 7584] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7594] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7592] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] <... io_uring_register resumed>) = 0 [pid 7590] <... futex resumed>) = 0 [pid 7588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7587] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7586] rt_sigprocmask(SIG_SETMASK, [], [pid 7585] <... futex resumed>) = 1 [pid 7584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7582] <... futex resumed>) = 0 [pid 7594] <... rseq resumed>) = 0 [pid 7592] <... futex resumed>) = 0 [pid 7591] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7587] <... mprotect resumed>) = 0 [pid 7586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7585] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7582] exit_group(0./strace-static-x86_64: Process 7596 attached ./strace-static-x86_64: Process 7595 attached [pid 7594] set_robust_list(0x7f2f310d29a0, 24 [pid 7593] <... futex resumed>) = ? [pid 7592] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7591] <... futex resumed>) = 0 [pid 7587] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7586] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7585] <... futex resumed>) = ? [pid 7582] <... exit_group resumed>) = ? [pid 7596] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7595] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7594] <... set_robust_list resumed>) = 0 [pid 7593] +++ exited with 0 +++ [pid 7591] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] <... clone3 resumed> => {parent_tid=[7596]}, 88) = 7596 [pid 7587] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7586] <... futex resumed>) = 0 [pid 7585] +++ exited with 0 +++ [pid 7584] <... clone3 resumed> => {parent_tid=[7595]}, 88) = 7595 [pid 7596] <... rseq resumed>) = 0 [pid 7595] <... rseq resumed>) = 0 [pid 7594] rt_sigprocmask(SIG_SETMASK, [], [pid 7588] rt_sigprocmask(SIG_SETMASK, [], [pid 7587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7586] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7584] rt_sigprocmask(SIG_SETMASK, [], [pid 7582] +++ exited with 0 +++ [pid 7596] set_robust_list(0x7f2f310d29a0, 24 [pid 7595] set_robust_list(0x7f2f310d29a0, 24 [pid 7594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7582, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7584] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7597 attached [pid 7596] <... set_robust_list resumed>) = 0 [pid 7595] <... set_robust_list resumed>) = 0 [pid 7594] ioctl(3, UFFDIO_REGISTER, NULL [pid 7588] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] <... clone3 resumed> => {parent_tid=[7597]}, 88) = 7597 [pid 7584] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7597] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7596] rt_sigprocmask(SIG_SETMASK, [], [pid 7595] rt_sigprocmask(SIG_SETMASK, [], [pid 7594] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7588] <... futex resumed>) = 0 [pid 7587] rt_sigprocmask(SIG_SETMASK, [], [pid 7584] <... futex resumed>) = 0 [pid 7597] <... rseq resumed>) = 0 [pid 7596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7594] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7584] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7597] set_robust_list(0x7f2f310d29a0, 24 [pid 7596] ioctl(3, UFFDIO_REGISTER, NULL [pid 7595] ioctl(3, UFFDIO_REGISTER, NULL [pid 7594] <... futex resumed>) = 1 [pid 7587] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... futex resumed>) = 0 [pid 7597] <... set_robust_list resumed>) = 0 [pid 7596] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7594] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7587] <... futex resumed>) = 0 [pid 7586] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7597] rt_sigprocmask(SIG_SETMASK, [], [pid 7590] <... futex resumed>) = 0 [pid 7587] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7586] <... futex resumed>) = 1 [pid 7597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7590] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7586] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7597] ioctl(3, UFFDIO_REGISTER, NULL [pid 7596] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7597] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7596] <... futex resumed>) = 1 [pid 7595] <... futex resumed>) = 1 [pid 7590] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] <... futex resumed>) = 0 [pid 7584] <... futex resumed>) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7597] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7595] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] <... futex resumed>) = 1 [pid 7588] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... futex resumed>) = 0 [pid 7584] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] <... futex resumed>) = 1 [pid 7592] <... futex resumed>) = 0 [pid 7590] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7589] <... futex resumed>) = 0 [pid 7588] <... futex resumed>) = 1 [pid 7587] <... futex resumed>) = 0 [pid 7586] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] <... futex resumed>) = 1 [pid 7597] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7592] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7589] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7588] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7587] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... futex resumed>) = 0 [pid 7584] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7592] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7591] <... futex resumed>) = 0 [pid 7590] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7589] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7587] <... futex resumed>) = 1 [pid 7586] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7592] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7589] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7598 attached [pid 7592] <... futex resumed>) = 1 [pid 7591] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7590] <... madvise resumed>) = 0 [pid 7589] <... futex resumed>) = 1 [pid 7588] <... futex resumed>) = 0 [pid 7584] <... futex resumed>) = 0 [pid 7598] set_robust_list(0x555592b0f6a0, 24 [pid 7592] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7591] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7589] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7598 [pid 7598] <... set_robust_list resumed>) = 0 [pid 7592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7591] <... futex resumed>) = 1 [pid 7590] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7588] <... futex resumed>) = 0 [pid 7587] <... futex resumed>) = 0 [pid 7584] <... futex resumed>) = 0 [pid 7598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7592] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7591] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] <... futex resumed>) = 1 [pid 7589] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7588] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7587] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] <... futex resumed>) = 0 [pid 7584] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7598] <... prctl resumed>) = 0 [pid 7591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7590] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7587] <... futex resumed>) = 0 [pid 7586] exit_group(0 [pid 7598] setpgid(0, 0 [pid 7594] <... futex resumed>) = ? [pid 7591] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7590] <... futex resumed>) = ? [pid 7587] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7586] <... exit_group resumed>) = ? [pid 7594] +++ exited with 0 +++ [pid 7591] <... madvise resumed>) = 0 [pid 7590] +++ exited with 0 +++ [pid 7589] <... madvise resumed>) = 0 [pid 7598] <... setpgid resumed>) = 0 [pid 7598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7592] <... madvise resumed>) = 0 [pid 7589] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] +++ exited with 0 +++ [pid 7584] <... futex resumed>) = 0 [pid 7589] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7586, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7598] write(3, "1000", 4 [pid 7592] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7589] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7584] exit_group(0 [pid 7598] <... write resumed>) = 4 [pid 7595] <... futex resumed>) = ? [pid 7592] <... futex resumed>) = 1 [pid 7591] <... futex resumed>) = 1 [pid 7589] <... futex resumed>) = ? [pid 7588] <... futex resumed>) = 0 [pid 7587] <... futex resumed>) = 0 [pid 7584] <... exit_group resumed>) = ? [pid 7595] +++ exited with 0 +++ [pid 7588] exit_group(0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7598] close(3 [pid 7591] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] <... exit_group resumed>) = ? [pid 7587] exit_group(0./strace-static-x86_64: Process 7599 attached [pid 7598] <... close resumed>) = 0 [pid 7597] <... futex resumed>) = ? [pid 7592] +++ exited with 0 +++ [pid 7591] <... futex resumed>) = ? [pid 7587] <... exit_group resumed>) = ? [pid 7599] set_robust_list(0x555592b0f6a0, 24 [pid 7597] +++ exited with 0 +++ [pid 7596] <... futex resumed>) = ? executing program [pid 7591] +++ exited with 0 +++ [pid 7589] +++ exited with 0 +++ [pid 7587] +++ exited with 0 +++ [pid 7598] write(1, "executing program\n", 18 [pid 7584] +++ exited with 0 +++ [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7599 [pid 7599] <... set_robust_list resumed>) = 0 [pid 7598] <... write resumed>) = 18 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7587, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7598] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7598] <... futex resumed>) = 0 [pid 7598] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7596] +++ exited with 0 +++ [pid 7588] +++ exited with 0 +++ [pid 7598] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7598] <... mprotect resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7588, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7584, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7598] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7599] <... prctl resumed>) = 0 [pid 7598] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7599] setpgid(0, 0 [pid 7598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7600 attached [pid 7599] <... setpgid resumed>) = 0 [pid 7598] <... clone3 resumed> => {parent_tid=[7600]}, 88) = 7600 [pid 7598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7600] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7598] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7598] <... futex resumed>) = 0 [pid 7600] <... rseq resumed>) = 0 [pid 7598] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7600] set_robust_list(0x7f2f310f39a0, 24 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7600] <... set_robust_list resumed>) = 0 [pid 7599] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7601 attached [pid 7600] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7601] set_robust_list(0x555592b0f6a0, 24./strace-static-x86_64: Process 7602 attached ) = 0 [pid 7600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7599] write(3, "1000", 4 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7600] userfaultfd(UFFD_USER_MODE_ONLY [pid 7599] <... write resumed>) = 4 executing program ./strace-static-x86_64: Process 7603 attached [pid 7602] set_robust_list(0x555592b0f6a0, 24 [pid 7601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7600] <... userfaultfd resumed>) = 3 [pid 7599] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7601 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7602 [pid 7600] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... close resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7603 [pid 7600] <... futex resumed>) = 1 [pid 7599] write(1, "executing program\n", 18 [pid 7600] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7599] <... write resumed>) = 18 [pid 7603] set_robust_list(0x555592b0f6a0, 24 [pid 7599] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7603] <... set_robust_list resumed>) = 0 [pid 7599] <... futex resumed>) = 0 [pid 7603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7602] <... set_robust_list resumed>) = 0 [pid 7601] <... prctl resumed>) = 0 [pid 7599] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7598] <... futex resumed>) = 0 [pid 7603] <... prctl resumed>) = 0 [pid 7599] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7601] setpgid(0, 0 [pid 7599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7603] setpgid(0, 0 [pid 7598] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7603] <... setpgid resumed>) = 0 [pid 7599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7601] <... setpgid resumed>) = 0 [pid 7600] <... futex resumed>) = 0 [pid 7599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7598] <... futex resumed>) = 1 [pid 7603] <... openat resumed>) = 3 [pid 7602] <... prctl resumed>) = 0 [pid 7601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7600] ioctl(3, UFFDIO_API, NULL [pid 7599] <... mmap resumed>) = 0x7f2f310d3000 [pid 7598] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7603] write(3, "1000", 4 [pid 7602] setpgid(0, 0 [pid 7601] <... openat resumed>) = 3 [pid 7600] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7599] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7603] <... write resumed>) = 4 [pid 7602] <... setpgid resumed>) = 0 [pid 7601] write(3, "1000", 4 [pid 7600] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... mprotect resumed>) = 0 [pid 7603] close(3 [pid 7602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7601] <... write resumed>) = 4 [pid 7600] <... futex resumed>) = 1 [pid 7598] <... futex resumed>) = 0 [pid 7603] <... close resumed>) = 0 [pid 7602] <... openat resumed>) = 3 [pid 7601] close(3 [pid 7600] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7598] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 7603] write(1, "executing program\n", 18 [pid 7602] write(3, "1000", 4 [pid 7601] <... close resumed>) = 0 [pid 7598] <... futex resumed>) = 0 [pid 7603] <... write resumed>) = 18 [pid 7602] <... write resumed>) = 4 executing program [pid 7601] write(1, "executing program\n", 18 [pid 7600] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7598] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7603] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] close(3 [pid 7601] <... write resumed>) = 18 [pid 7600] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7603] <... futex resumed>) = 0 [pid 7602] <... close resumed>) = 0 executing program [pid 7601] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7600] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7604 attached [pid 7603] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7602] write(1, "executing program\n", 18 [pid 7601] <... futex resumed>) = 0 [pid 7600] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7598] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7604] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7603] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7602] <... write resumed>) = 18 [pid 7601] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7599] <... clone3 resumed> => {parent_tid=[7604]}, 88) = 7604 [pid 7598] <... futex resumed>) = 0 [pid 7604] <... rseq resumed>) = 0 [pid 7603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7602] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7604] set_robust_list(0x7f2f310f39a0, 24 [pid 7603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7602] <... futex resumed>) = 0 [pid 7601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7599] rt_sigprocmask(SIG_SETMASK, [], [pid 7598] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7604] <... set_robust_list resumed>) = 0 [pid 7603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7602] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7604] rt_sigprocmask(SIG_SETMASK, [], [pid 7603] <... mmap resumed>) = 0x7f2f310d3000 [pid 7602] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7599] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7603] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7601] <... mmap resumed>) = 0x7f2f310d3000 [pid 7599] <... futex resumed>) = 0 [pid 7604] userfaultfd(UFFD_USER_MODE_ONLY [pid 7603] <... mprotect resumed>) = 0 [pid 7602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7601] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7599] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7604] <... userfaultfd resumed>) = 3 [pid 7603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7601] <... mprotect resumed>) = 0 [pid 7604] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7602] <... mmap resumed>) = 0x7f2f310d3000 [pid 7601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7604] <... futex resumed>) = 1 [pid 7603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7602] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7599] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7605 attached [pid 7604] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7602] <... mprotect resumed>) = 0 [pid 7601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7599] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7606 attached [pid 7604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7603] <... clone3 resumed> => {parent_tid=[7605]}, 88) = 7605 [pid 7602] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7606] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7605] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7604] ioctl(3, UFFDIO_API, NULL [pid 7603] rt_sigprocmask(SIG_SETMASK, [], [pid 7602] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7601] <... clone3 resumed> => {parent_tid=[7606]}, 88) = 7606 [pid 7599] <... futex resumed>) = 0 [pid 7606] <... rseq resumed>) = 0 [pid 7605] <... rseq resumed>) = 0 [pid 7604] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7601] rt_sigprocmask(SIG_SETMASK, [], [pid 7599] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7607 attached [pid 7606] set_robust_list(0x7f2f310f39a0, 24 [pid 7605] set_robust_list(0x7f2f310f39a0, 24 [pid 7604] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7603] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7607] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7606] <... set_robust_list resumed>) = 0 [pid 7605] <... set_robust_list resumed>) = 0 [pid 7604] <... futex resumed>) = 0 [pid 7603] <... futex resumed>) = 0 [pid 7602] <... clone3 resumed> => {parent_tid=[7607]}, 88) = 7607 [pid 7601] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... rseq resumed>) = 0 [pid 7606] rt_sigprocmask(SIG_SETMASK, [], [pid 7605] rt_sigprocmask(SIG_SETMASK, [], [pid 7603] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7602] rt_sigprocmask(SIG_SETMASK, [], [pid 7601] <... futex resumed>) = 0 [pid 7607] set_robust_list(0x7f2f310f39a0, 24 [pid 7606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7604] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7601] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] <... futex resumed>) = 0 [pid 7607] <... set_robust_list resumed>) = 0 [pid 7606] userfaultfd(UFFD_USER_MODE_ONLY [pid 7605] userfaultfd(UFFD_USER_MODE_ONLY [pid 7604] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7602] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] rt_sigprocmask(SIG_SETMASK, [], [pid 7606] <... userfaultfd resumed>) = 3 [pid 7605] <... userfaultfd resumed>) = 3 [pid 7602] <... futex resumed>) = 0 [pid 7599] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7606] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7606] <... futex resumed>) = 1 [pid 7605] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7604] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... futex resumed>) = 0 [pid 7607] userfaultfd(UFFD_USER_MODE_ONLY [pid 7606] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] <... futex resumed>) = 1 [pid 7604] <... futex resumed>) = 1 [pid 7603] <... futex resumed>) = 0 [pid 7601] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] <... futex resumed>) = 0 [pid 7607] <... userfaultfd resumed>) = 3 [pid 7606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7605] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7604] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... futex resumed>) = 0 [pid 7599] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] ioctl(3, UFFDIO_API, NULL [pid 7605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7603] <... futex resumed>) = 0 [pid 7601] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] <... futex resumed>) = 0 [pid 7607] <... futex resumed>) = 1 [pid 7606] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7605] ioctl(3, UFFDIO_API, NULL [pid 7604] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7603] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7602] <... futex resumed>) = 0 [pid 7599] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7602] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7606] <... futex resumed>) = 1 [pid 7602] <... futex resumed>) = 0 [pid 7601] <... futex resumed>) = 0 [pid 7607] ioctl(3, UFFDIO_API, NULL [pid 7606] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7601] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7601] <... futex resumed>) = 0 [pid 7605] <... futex resumed>) = 1 [pid 7607] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7605] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] <... futex resumed>) = 0 [pid 7601] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] <... futex resumed>) = 1 [pid 7602] <... futex resumed>) = 0 [pid 7602] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7602] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7606] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7603] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7606] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7603] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7606] <... futex resumed>) = 1 [pid 7601] <... futex resumed>) = 0 [pid 7606] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7601] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7605] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7601] <... futex resumed>) = 0 [pid 7606] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7601] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7605] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7603] <... futex resumed>) = 0 [pid 7607] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7607] <... futex resumed>) = 1 [pid 7605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7603] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] <... futex resumed>) = 0 [pid 7605] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7602] <... futex resumed>) = 0 [pid 7602] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... futex resumed>) = 0 [pid 7602] <... futex resumed>) = 1 [pid 7603] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7602] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7600] <... io_uring_register resumed>) = 0 [pid 7598] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7598] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7600] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7600] <... futex resumed>) = 0 [pid 7598] <... mmap resumed>) = 0x7f2f310b2000 [pid 7600] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7598] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7598] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7608 attached => {parent_tid=[7608]}, 88) = 7608 [pid 7608] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7598] rt_sigprocmask(SIG_SETMASK, [], [pid 7608] <... rseq resumed>) = 0 [pid 7598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7608] set_robust_list(0x7f2f310d29a0, 24 [pid 7598] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... set_robust_list resumed>) = 0 [pid 7598] <... futex resumed>) = 0 [pid 7608] rt_sigprocmask(SIG_SETMASK, [], [pid 7598] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7608] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7608] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... futex resumed>) = 1 [pid 7599] <... futex resumed>) = 0 [pid 7598] <... futex resumed>) = 0 [pid 7598] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7600] <... futex resumed>) = 0 [pid 7599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7598] <... futex resumed>) = 1 [pid 7608] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7600] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7598] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7600] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7600] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7600] <... futex resumed>) = 1 [pid 7598] <... futex resumed>) = 0 [pid 7601] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7600] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7601] <... futex resumed>) = 0 [pid 7600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7598] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7600] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7598] <... futex resumed>) = 0 [pid 7603] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7602] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7600] <... madvise resumed>) = 0 [pid 7598] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7603] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7600] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7598] <... futex resumed>) = 0 [pid 7603] <... futex resumed>) = 0 [pid 7600] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7601] <... mmap resumed>) = 0x7f2f310b2000 [pid 7598] exit_group(0 [pid 7601] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7602] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] <... mprotect resumed>) = 0 [pid 7602] <... futex resumed>) = 0 [pid 7601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} => {parent_tid=[7609]}, 88) = 7609 [pid 7601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7601] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7601] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7609 attached [pid 7609] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7609] set_robust_list(0x7f2f310d29a0, 24 [pid 7608] <... futex resumed>) = ? [pid 7600] <... futex resumed>) = ? [pid 7598] <... exit_group resumed>) = ? [pid 7599] <... mmap resumed>) = 0x7f2f310b2000 [pid 7609] <... set_robust_list resumed>) = 0 [pid 7600] +++ exited with 0 +++ [pid 7599] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7608] +++ exited with 0 +++ [pid 7598] +++ exited with 0 +++ [pid 7609] ioctl(3, UFFDIO_REGISTER, NULL [pid 7599] <... mprotect resumed>) = 0 [pid 7609] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7606] <... io_uring_register resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7598, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7609] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7609] <... futex resumed>) = 1 [pid 7606] <... futex resumed>) = 0 [pid 7601] <... futex resumed>) = 0 [pid 7599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 7609] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7601] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7610 attached [pid 7606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7604] <... io_uring_register resumed>) = 0 [pid 7601] <... futex resumed>) = 0 [pid 7610] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7606] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7604] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] <... clone3 resumed> => {parent_tid=[7610]}, 88) = 7610 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7611 attached [pid 7610] <... rseq resumed>) = 0 [pid 7606] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7605] <... io_uring_register resumed>) = 0 [pid 7604] <... futex resumed>) = 0 [pid 7603] <... mmap resumed>) = 0x7f2f310b2000 [pid 7599] rt_sigprocmask(SIG_SETMASK, [], [pid 7611] set_robust_list(0x555592b0f6a0, 24 [pid 7610] set_robust_list(0x7f2f310d29a0, 24 [pid 7606] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7604] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7611 [pid 7611] <... set_robust_list resumed>) = 0 [pid 7610] <... set_robust_list resumed>) = 0 [pid 7606] <... futex resumed>) = 1 [pid 7605] <... futex resumed>) = 0 [pid 7602] <... mmap resumed>) = 0x7f2f310b2000 [pid 7599] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7610] rt_sigprocmask(SIG_SETMASK, [], [pid 7606] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] <... mprotect resumed>) = 0 [pid 7599] <... futex resumed>) = 0 [pid 7610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7605] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7599] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7610] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7610] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7610] <... futex resumed>) = 1 [pid 7599] <... futex resumed>) = 0 [pid 7611] <... prctl resumed>) = 0 [pid 7610] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7599] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7611] setpgid(0, 0 [pid 7604] <... futex resumed>) = 0 [pid 7599] <... futex resumed>) = 1 [pid 7603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7611] <... setpgid resumed>) = 0 [pid 7604] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7602] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7601] <... futex resumed>) = 0 [pid 7599] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7612 attached [pid 7611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7604] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7602] <... mprotect resumed>) = 0 [pid 7601] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7606] <... futex resumed>) = 0 [pid 7604] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... openat resumed>) = 3 [pid 7603] <... clone3 resumed> => {parent_tid=[7612]}, 88) = 7612 [pid 7602] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7601] <... futex resumed>) = 1 [pid 7612] <... rseq resumed>) = 0 [pid 7611] write(3, "1000", 4 [pid 7606] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7604] <... futex resumed>) = 1 [pid 7603] rt_sigprocmask(SIG_SETMASK, [], [pid 7602] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7601] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] <... futex resumed>) = 0 [pid 7612] set_robust_list(0x7f2f310d29a0, 24 [pid 7611] <... write resumed>) = 4 [pid 7602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7613 attached [pid 7612] <... set_robust_list resumed>) = 0 [pid 7604] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7599] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7612] rt_sigprocmask(SIG_SETMASK, [], [pid 7604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7603] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] <... clone3 resumed> => {parent_tid=[7613]}, 88) = 7613 [pid 7599] <... futex resumed>) = 0 [pid 7613] <... rseq resumed>) = 0 [pid 7612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7611] close(3 [pid 7607] <... io_uring_register resumed>) = 0 [pid 7606] <... madvise resumed>) = 0 [pid 7604] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7603] <... futex resumed>) = 0 [pid 7602] rt_sigprocmask(SIG_SETMASK, [], [pid 7613] set_robust_list(0x7f2f310d29a0, 24 [pid 7612] ioctl(3, UFFDIO_REGISTER, NULL [pid 7611] <... close resumed>) = 0 [pid 7607] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 7603] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7599] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7613] <... set_robust_list resumed>) = 0 [pid 7612] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7611] write(1, "executing program\n", 18 [pid 7607] <... futex resumed>) = 0 [pid 7606] <... futex resumed>) = 1 [pid 7602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7601] <... futex resumed>) = 0 [pid 7613] rt_sigprocmask(SIG_SETMASK, [], [pid 7612] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... write resumed>) = 18 [pid 7607] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7602] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] exit_group(0 [pid 7613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7612] <... futex resumed>) = 1 [pid 7611] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = ? [pid 7606] <... futex resumed>) = ? [pid 7603] <... futex resumed>) = 0 [pid 7602] <... futex resumed>) = 0 [pid 7601] <... exit_group resumed>) = ? [pid 7613] ioctl(3, UFFDIO_REGISTER, NULL [pid 7612] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7611] <... futex resumed>) = 0 [pid 7609] +++ exited with 0 +++ [pid 7604] <... madvise resumed>) = 0 [pid 7603] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7602] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7611] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7605] <... futex resumed>) = 0 [pid 7603] <... futex resumed>) = 1 [pid 7613] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7603] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7605] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7611] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7605] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7605] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] <... futex resumed>) = 1 [pid 7603] <... futex resumed>) = 0 [pid 7611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7605] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7613] <... futex resumed>) = 1 [pid 7611] <... mmap resumed>) = 0x7f2f310d3000 [pid 7605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7603] <... futex resumed>) = 0 [pid 7602] <... futex resumed>) = 0 [pid 7613] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7602] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... futex resumed>) = 0 [pid 7602] <... futex resumed>) = 1 [pid 7607] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7602] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7607] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7603] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7602] <... futex resumed>) = 0 [pid 7602] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7602] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7607] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7605] <... madvise resumed>) = 0 [pid 7611] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7607] <... madvise resumed>) = 0 [pid 7611] <... mprotect resumed>) = 0 [pid 7606] +++ exited with 0 +++ [pid 7605] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7604] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7601] +++ exited with 0 +++ [pid 7607] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] <... futex resumed>) = 1 [pid 7604] <... futex resumed>) = 1 [pid 7603] <... futex resumed>) = 0 [pid 7599] <... futex resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7601, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7607] <... futex resumed>) = 1 [pid 7605] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7604] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] exit_group(0 [pid 7602] <... futex resumed>) = 0 [pid 7599] exit_group(0 [pid 7612] <... futex resumed>) = ? [pid 7611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7610] <... futex resumed>) = ? [pid 7607] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7605] <... futex resumed>) = ? [pid 7604] <... futex resumed>) = ? [pid 7603] <... exit_group resumed>) = ? [pid 7602] exit_group(0 [pid 7599] <... exit_group resumed>) = ? [pid 7613] <... futex resumed>) = ? [pid 7612] +++ exited with 0 +++ [pid 7611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7610] +++ exited with 0 +++ [pid 7607] <... futex resumed>) = ? [pid 7605] +++ exited with 0 +++ [pid 7602] <... exit_group resumed>) = ? [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7614 attached ./strace-static-x86_64: Process 7615 attached [pid 7613] +++ exited with 0 +++ [pid 7607] +++ exited with 0 +++ [pid 7603] +++ exited with 0 +++ [pid 7602] +++ exited with 0 +++ [pid 7614] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7615 [pid 7614] <... rseq resumed>) = 0 [pid 7615] set_robust_list(0x555592b0f6a0, 24 [pid 7611] <... clone3 resumed> => {parent_tid=[7614]}, 88) = 7614 [pid 7615] <... set_robust_list resumed>) = 0 [pid 7614] set_robust_list(0x7f2f310f39a0, 24 [pid 7611] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7603, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7602, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7614] <... set_robust_list resumed>) = 0 [pid 7611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7615] <... prctl resumed>) = 0 [pid 7614] rt_sigprocmask(SIG_SETMASK, [], [pid 7611] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7604] +++ exited with 0 +++ [pid 7599] +++ exited with 0 +++ [pid 7615] setpgid(0, 0 [pid 7614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7611] <... futex resumed>) = 0 [pid 7615] <... setpgid resumed>) = 0 [pid 7614] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7599, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7614] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7615] <... openat resumed>) = 3 [pid 7611] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... restart_syscall resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... restart_syscall resumed>) = 0 [pid 7615] write(3, "1000", 4 [pid 7611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... restart_syscall resumed>) = 0 [pid 7615] <... write resumed>) = 4 [pid 7611] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7615] close(3 [pid 7614] <... futex resumed>) = 0 [pid 7611] <... futex resumed>) = 0 [pid 7615] <... close resumed>) = 0 [pid 7614] ioctl(3, UFFDIO_API, NULL [pid 7611] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7617 attached ./strace-static-x86_64: Process 7616 attached executing program [pid 7615] write(1, "executing program\n", 18 [pid 7614] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7617] set_robust_list(0x555592b0f6a0, 24 [pid 7615] <... write resumed>) = 18 [pid 7614] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7617] <... set_robust_list resumed>) = 0 [pid 7616] set_robust_list(0x555592b0f6a0, 24 [pid 7615] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... futex resumed>) = 1 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7616 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7617 ./strace-static-x86_64: Process 7618 attached [pid 7617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7616] <... set_robust_list resumed>) = 0 [pid 7615] <... futex resumed>) = 0 [pid 7614] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7611] <... futex resumed>) = 0 [pid 7617] <... prctl resumed>) = 0 [pid 7615] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7611] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7618 [pid 7618] set_robust_list(0x555592b0f6a0, 24 [pid 7617] setpgid(0, 0 [pid 7615] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7611] <... futex resumed>) = 0 [pid 7618] <... set_robust_list resumed>) = 0 [pid 7617] <... setpgid resumed>) = 0 [pid 7615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7611] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7616] <... prctl resumed>) = 0 [pid 7618] <... prctl resumed>) = 0 [pid 7615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7614] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7618] setpgid(0, 0 [pid 7617] <... openat resumed>) = 3 [pid 7616] setpgid(0, 0 [pid 7615] <... mmap resumed>) = 0x7f2f310d3000 [pid 7618] <... setpgid resumed>) = 0 [pid 7617] write(3, "1000", 4 [pid 7616] <... setpgid resumed>) = 0 [pid 7615] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7617] <... write resumed>) = 4 [pid 7616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7615] <... mprotect resumed>) = 0 [pid 7614] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7617] close(3 [pid 7616] <... openat resumed>) = 3 executing program [pid 7618] <... openat resumed>) = 3 [pid 7617] <... close resumed>) = 0 [pid 7616] write(3, "1000", 4 [pid 7614] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... write resumed>) = 4 [pid 7614] <... futex resumed>) = 1 [pid 7611] <... futex resumed>) = 0 [pid 7617] write(1, "executing program\n", 18 [pid 7616] close(3 [pid 7615] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7618] write(3, "1000", 4 [pid 7614] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7611] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7618] <... write resumed>) = 4 [pid 7617] <... write resumed>) = 18 [pid 7616] <... close resumed>) = 0 [pid 7615] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7611] <... futex resumed>) = 0 [pid 7618] close(3 [pid 7617] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] write(1, "executing program\n", 18 [pid 7615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7614] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282executing program [pid 7611] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7618] <... close resumed>) = 0 [pid 7617] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7619 attached [pid 7617] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7618] write(1, "executing program\n", 18executing program [pid 7619] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7618] <... write resumed>) = 18 [pid 7617] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7616] <... write resumed>) = 18 [pid 7615] <... clone3 resumed> => {parent_tid=[7619]}, 88) = 7619 [pid 7619] <... rseq resumed>) = 0 [pid 7618] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7619] set_robust_list(0x7f2f310f39a0, 24 [pid 7617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7615] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] <... set_robust_list resumed>) = 0 [pid 7618] <... futex resumed>) = 0 [pid 7619] rt_sigprocmask(SIG_SETMASK, [], [pid 7618] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7615] <... futex resumed>) = 0 [pid 7619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7618] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7615] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7619] userfaultfd(UFFD_USER_MODE_ONLY [pid 7618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7617] <... mmap resumed>) = 0x7f2f310d3000 [pid 7616] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] <... userfaultfd resumed>) = 3 [pid 7616] <... futex resumed>) = 0 [pid 7619] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7619] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7617] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7617] <... mprotect resumed>) = 0 [pid 7616] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7615] <... futex resumed>) = 0 [pid 7618] <... mmap resumed>) = 0x7f2f310d3000 [pid 7617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7615] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] <... futex resumed>) = 0 [pid 7618] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7615] <... futex resumed>) = 1 [pid 7619] ioctl(3, UFFDIO_API, NULL [pid 7618] <... mprotect resumed>) = 0 [pid 7615] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7619] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7619] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7619] <... futex resumed>) = 1 [pid 7617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7615] <... futex resumed>) = 0 [pid 7619] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7615] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7619] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7616] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7615] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7620 attached [pid 7619] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7618] <... clone3 resumed> => {parent_tid=[7621]}, 88) = 7621 [pid 7617] <... clone3 resumed> => {parent_tid=[7620]}, 88) = 7620 [pid 7616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7615] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7620] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7619] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7618] rt_sigprocmask(SIG_SETMASK, [], [pid 7617] rt_sigprocmask(SIG_SETMASK, [], [pid 7616] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7621 attached [pid 7620] <... rseq resumed>) = 0 [pid 7619] <... futex resumed>) = 1 [pid 7618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7615] <... futex resumed>) = 0 [pid 7621] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7620] set_robust_list(0x7f2f310f39a0, 24 [pid 7618] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... mmap resumed>) = 0x7f2f310d3000 [pid 7615] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... rseq resumed>) = 0 [pid 7620] <... set_robust_list resumed>) = 0 [pid 7619] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7618] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7616] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7615] <... futex resumed>) = 0 [pid 7618] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7617] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7615] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7620] rt_sigprocmask(SIG_SETMASK, [], [pid 7616] <... mprotect resumed>) = 0 [pid 7621] set_robust_list(0x7f2f310f39a0, 24 [pid 7620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7621] <... set_robust_list resumed>) = 0 [pid 7620] userfaultfd(UFFD_USER_MODE_ONLY [pid 7616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7611] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] rt_sigprocmask(SIG_SETMASK, [], [pid 7620] <... userfaultfd resumed>) = 3 [pid 7616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7611] <... futex resumed>) = 0 [pid 7621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7620] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7622 attached [pid 7621] userfaultfd(UFFD_USER_MODE_ONLY [pid 7620] <... futex resumed>) = 1 [pid 7611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7622] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7621] <... userfaultfd resumed>) = 3 [pid 7620] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7616] <... clone3 resumed> => {parent_tid=[7622]}, 88) = 7622 [pid 7622] <... rseq resumed>) = 0 [pid 7621] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] rt_sigprocmask(SIG_SETMASK, [], [pid 7622] set_robust_list(0x7f2f310f39a0, 24 [pid 7621] <... futex resumed>) = 1 [pid 7616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7622] <... set_robust_list resumed>) = 0 [pid 7621] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7616] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] rt_sigprocmask(SIG_SETMASK, [], [pid 7616] <... futex resumed>) = 0 [pid 7622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7616] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7622] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7618] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7622] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7618] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7620] <... futex resumed>) = 0 [pid 7618] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 1 [pid 7616] <... futex resumed>) = 0 [pid 7622] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] ioctl(3, UFFDIO_API, NULL [pid 7620] ioctl(3, UFFDIO_API, NULL [pid 7618] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7617] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7621] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7620] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7616] <... futex resumed>) = 0 [pid 7622] ioctl(3, UFFDIO_API, NULL [pid 7621] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7622] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7621] <... futex resumed>) = 1 [pid 7620] <... futex resumed>) = 1 [pid 7618] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7622] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7620] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7618] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7618] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7616] <... futex resumed>) = 0 [pid 7622] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7620] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7618] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7617] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7620] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7616] <... futex resumed>) = 0 [pid 7622] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7621] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7620] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7622] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7621] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7620] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... futex resumed>) = 1 [pid 7620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7618] <... futex resumed>) = 0 [pid 7622] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7620] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7618] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7618] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7616] <... futex resumed>) = 0 [pid 7621] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7618] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7617] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7622] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7616] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7615] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7615] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7611] <... mmap resumed>) = 0x7f2f310b2000 [pid 7615] <... mmap resumed>) = 0x7f2f310b2000 [pid 7615] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7611] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7623 attached => {parent_tid=[7623]}, 88) = 7623 [pid 7615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7623] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7615] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7623] <... rseq resumed>) = 0 [pid 7615] <... futex resumed>) = 0 [pid 7623] set_robust_list(0x7f2f310d29a0, 24 [pid 7619] <... io_uring_register resumed>) = 0 [pid 7615] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7623] <... set_robust_list resumed>) = 0 [pid 7623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7619] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7623] ioctl(3, UFFDIO_REGISTER, NULL [pid 7619] <... futex resumed>) = 0 [pid 7623] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7619] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7623] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7615] <... futex resumed>) = 0 [pid 7615] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7623] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] <... futex resumed>) = 0 [pid 7615] <... futex resumed>) = 1 [pid 7619] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7615] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] <... io_uring_register resumed>) = 0 [pid 7611] <... mprotect resumed>) = 0 [pid 7619] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7619] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7619] <... futex resumed>) = 1 [pid 7615] <... futex resumed>) = 0 [pid 7611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7624 attached [pid 7619] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7624] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7615] <... futex resumed>) = 0 [pid 7611] <... clone3 resumed> => {parent_tid=[7624]}, 88) = 7624 [pid 7624] <... rseq resumed>) = 0 [pid 7619] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7615] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7611] rt_sigprocmask(SIG_SETMASK, [], [pid 7624] set_robust_list(0x7f2f310d29a0, 24 [pid 7618] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7617] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7624] <... set_robust_list resumed>) = 0 [pid 7618] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 0 [pid 7611] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7624] rt_sigprocmask(SIG_SETMASK, [], [pid 7618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7614] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] <... futex resumed>) = 0 [pid 7624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7616] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7614] <... futex resumed>) = 0 [pid 7611] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7624] ioctl(3, UFFDIO_REGISTER, NULL [pid 7616] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7624] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7624] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7611] <... futex resumed>) = 0 [pid 7624] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7619] <... madvise resumed>) = 0 [pid 7611] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... futex resumed>) = 0 [pid 7611] <... futex resumed>) = 1 [pid 7611] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7614] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7614] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7611] <... futex resumed>) = 0 [pid 7614] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7611] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7611] <... futex resumed>) = 0 [pid 7614] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7611] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7619] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7615] <... futex resumed>) = 0 [pid 7619] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7615] exit_group(0 [pid 7623] <... futex resumed>) = ? [pid 7615] <... exit_group resumed>) = ? [pid 7623] +++ exited with 0 +++ [pid 7619] <... futex resumed>) = ? [pid 7616] <... futex resumed>) = 0 [pid 7614] <... madvise resumed>) = 0 [pid 7616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7614] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7611] <... futex resumed>) = 0 [pid 7611] exit_group(0 [pid 7624] <... futex resumed>) = ? [pid 7611] <... exit_group resumed>) = ? [pid 7624] +++ exited with 0 +++ [pid 7619] +++ exited with 0 +++ [pid 7615] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7615, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7614] +++ exited with 0 +++ [pid 7611] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7611, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7618] <... mmap resumed>) = 0x7f2f310b2000 [pid 7618] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7621] <... io_uring_register resumed>) = 0 [pid 7618] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7621] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7618] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7621] <... futex resumed>) = 0 [pid 7618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7621] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7625 attached [pid 7618] <... clone3 resumed> => {parent_tid=[7625]}, 88) = 7625 [pid 7625] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7618] rt_sigprocmask(SIG_SETMASK, [], [pid 7625] <... rseq resumed>) = 0 [pid 7618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7625] set_robust_list(0x7f2f310d29a0, 24 [pid 7618] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] <... set_robust_list resumed>) = 0 [pid 7618] <... futex resumed>) = 0 [pid 7625] rt_sigprocmask(SIG_SETMASK, [], [pid 7618] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7625] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7625] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7618] <... futex resumed>) = 0 [pid 7625] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7618] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... futex resumed>) = 0 [pid 7618] <... futex resumed>) = 1 [pid 7621] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7618] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7621] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7621] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7626 attached ) = 1 [pid 7618] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7621] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7618] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7618] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7627 attached [pid 7621] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7618] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7626 [pid 7627] set_robust_list(0x555592b0f6a0, 24 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7627 [pid 7626] set_robust_list(0x555592b0f6a0, 24 [pid 7621] <... madvise resumed>) = 0 [pid 7626] <... set_robust_list resumed>) = 0 [pid 7627] <... set_robust_list resumed>) = 0 [pid 7626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7622] <... io_uring_register resumed>) = 0 [pid 7621] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... mmap resumed>) = 0x7f2f310b2000 [pid 7626] <... prctl resumed>) = 0 [pid 7622] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... futex resumed>) = 1 [pid 7618] <... futex resumed>) = 0 [pid 7616] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7626] setpgid(0, 0 [pid 7622] <... futex resumed>) = 0 [pid 7627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7626] <... setpgid resumed>) = 0 [pid 7621] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7620] <... io_uring_register resumed>) = 0 [pid 7618] exit_group(0 [pid 7622] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] <... mmap resumed>) = 0x7f2f310b2000 [pid 7616] <... mprotect resumed>) = 0 [pid 7627] <... prctl resumed>) = 0 [pid 7626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7625] <... futex resumed>) = ? [pid 7621] <... futex resumed>) = ? [pid 7620] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7618] <... exit_group resumed>) = ? [pid 7617] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7627] setpgid(0, 0 [pid 7625] +++ exited with 0 +++ [pid 7621] +++ exited with 0 +++ [pid 7620] <... futex resumed>) = 0 [pid 7617] <... mprotect resumed>) = 0 [pid 7627] <... setpgid resumed>) = 0 [pid 7626] <... openat resumed>) = 3 [pid 7620] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7626] write(3, "1000", 4 [pid 7618] +++ exited with 0 +++ [pid 7617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7628 attached [pid 7627] <... openat resumed>) = 3 [pid 7626] <... write resumed>) = 4 [pid 7617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7618, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 7629 attached [pid 7628] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7627] write(3, "1000", 4 [pid 7626] close(3 [pid 7616] <... clone3 resumed> => {parent_tid=[7628]}, 88) = 7628 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7629] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7628] <... rseq resumed>) = 0 [pid 7627] <... write resumed>) = 4 [pid 7626] <... close resumed>) = 0 [pid 7617] <... clone3 resumed> => {parent_tid=[7629]}, 88) = 7629 executing program [pid 7616] rt_sigprocmask(SIG_SETMASK, [], [pid 7629] <... rseq resumed>) = 0 [pid 7628] set_robust_list(0x7f2f310d29a0, 24 [pid 7627] close(3 [pid 7626] write(1, "executing program\n", 18 [pid 7617] rt_sigprocmask(SIG_SETMASK, [], [pid 7616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7629] set_robust_list(0x7f2f310d29a0, 24 [pid 7628] <... set_robust_list resumed>) = 0 [pid 7626] <... write resumed>) = 18 [pid 7616] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7629] <... set_robust_list resumed>) = 0 [pid 7628] rt_sigprocmask(SIG_SETMASK, [], [pid 7629] rt_sigprocmask(SIG_SETMASK, [], [pid 7616] <... futex resumed>) = 0 [pid 7629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7626] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7629] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7628] ioctl(3, UFFDIO_REGISTER, NULL [pid 7626] <... futex resumed>) = 0 [pid 7628] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7627] <... close resumed>) = 0 [pid 7626] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, executing program [pid 7617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7628] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] write(1, "executing program\n", 18 [pid 7626] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7617] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7629] <... futex resumed>) = 0 [pid 7628] <... futex resumed>) = 1 [pid 7627] <... write resumed>) = 18 [pid 7626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7617] <... futex resumed>) = 1 [pid 7616] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7629] ioctl(3, UFFDIO_REGISTER, NULL [pid 7628] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7627] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7617] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] <... futex resumed>) = 0 [pid 7626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7622] <... futex resumed>) = 0 [pid 7616] <... futex resumed>) = 1 [pid 7627] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7626] <... mmap resumed>) = 0x7f2f310d3000 [pid 7622] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7616] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7630 attached [pid 7629] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7627] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7622] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7629] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7626] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7622] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] set_robust_list(0x555592b0f6a0, 24 [pid 7629] <... futex resumed>) = 1 [pid 7627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7626] <... mprotect resumed>) = 0 [pid 7622] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7616] <... futex resumed>) = 0 [pid 7630] <... set_robust_list resumed>) = 0 [pid 7629] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7626] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7622] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7630 [pid 7630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7627] <... mmap resumed>) = 0x7f2f310d3000 [pid 7626] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7620] <... futex resumed>) = 0 [pid 7617] <... futex resumed>) = 1 [pid 7616] <... futex resumed>) = 0 [pid 7630] <... prctl resumed>) = 0 [pid 7627] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7622] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7620] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7617] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7631 attached [pid 7630] setpgid(0, 0 [pid 7627] <... mprotect resumed>) = 0 [pid 7622] <... madvise resumed>) = 0 [pid 7620] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7631] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7630] <... setpgid resumed>) = 0 [pid 7626] <... clone3 resumed> => {parent_tid=[7631]}, 88) = 7631 [pid 7626] rt_sigprocmask(SIG_SETMASK, [], [pid 7630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7631] <... rseq resumed>) = 0 [pid 7627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7626] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7622] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] set_robust_list(0x7f2f310f39a0, 24 [pid 7627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7626] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7622] <... futex resumed>) = 1 [pid 7620] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... futex resumed>) = 0 [pid 7631] <... set_robust_list resumed>) = 0 [pid 7630] <... openat resumed>) = 3 [pid 7627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7622] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7620] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7616] exit_group(0./strace-static-x86_64: Process 7632 attached [pid 7631] rt_sigprocmask(SIG_SETMASK, [], [pid 7630] write(3, "1000", 4 [pid 7628] <... futex resumed>) = ? [pid 7622] <... futex resumed>) = ? [pid 7620] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... exit_group resumed>) = ? [pid 7632] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7630] <... write resumed>) = 4 [pid 7628] +++ exited with 0 +++ [pid 7627] <... clone3 resumed> => {parent_tid=[7632]}, 88) = 7632 [pid 7622] +++ exited with 0 +++ [pid 7620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7617] <... futex resumed>) = 0 [pid 7632] <... rseq resumed>) = 0 [pid 7631] userfaultfd(UFFD_USER_MODE_ONLY [pid 7630] close(3 [pid 7627] rt_sigprocmask(SIG_SETMASK, [], [pid 7620] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7617] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7632] set_robust_list(0x7f2f310f39a0, 24 [pid 7631] <... userfaultfd resumed>) = 3 [pid 7630] <... close resumed>) = 0 [pid 7627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7632] <... set_robust_list resumed>) = 0 executing program [pid 7632] rt_sigprocmask(SIG_SETMASK, [], [pid 7631] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] write(1, "executing program\n", 18 [pid 7627] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... write resumed>) = 18 [pid 7627] <... futex resumed>) = 0 [pid 7631] <... futex resumed>) = 1 [pid 7630] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7631] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] <... futex resumed>) = 0 [pid 7632] userfaultfd(UFFD_USER_MODE_ONLY [pid 7630] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7616] +++ exited with 0 +++ [pid 7632] <... userfaultfd resumed>) = 3 [pid 7630] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7626] <... futex resumed>) = 0 [pid 7630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7626] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7616, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7632] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = 0 [pid 7630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7626] <... futex resumed>) = 1 [pid 7632] <... futex resumed>) = 1 [pid 7631] ioctl(3, UFFDIO_API, NULL [pid 7630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7627] <... futex resumed>) = 0 [pid 7626] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7632] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7630] <... mmap resumed>) = 0x7f2f310d3000 [pid 7627] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7631] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7627] <... futex resumed>) = 0 [pid 7620] <... madvise resumed>) = 0 [pid 7632] ioctl(3, UFFDIO_API, NULL [pid 7631] <... futex resumed>) = 1 [pid 7630] <... mprotect resumed>) = 0 [pid 7627] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7626] <... futex resumed>) = 0 [pid 7632] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7631] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7626] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7632] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7626] <... futex resumed>) = 0 [pid 7620] <... futex resumed>) = 1 [pid 7617] <... futex resumed>) = 0 [pid 7632] <... futex resumed>) = 1 [pid 7631] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7627] <... futex resumed>) = 0 [pid 7626] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7620] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7617] exit_group(0./strace-static-x86_64: Process 7633 attached [pid 7632] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7627] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7620] <... futex resumed>) = ? [pid 7617] <... exit_group resumed>) = ? [pid 5835] <... restart_syscall resumed>) = 0 [pid 7633] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7631] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7630] <... clone3 resumed> => {parent_tid=[7633]}, 88) = 7633 [pid 7629] <... futex resumed>) = ? [pid 7627] <... futex resumed>) = 0 [pid 7620] +++ exited with 0 +++ [pid 7633] <... rseq resumed>) = 0 [pid 7632] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7630] rt_sigprocmask(SIG_SETMASK, [], [pid 7627] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] set_robust_list(0x7f2f310f39a0, 24 [pid 7632] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7631] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7633] <... set_robust_list resumed>) = 0 [pid 7631] <... futex resumed>) = 1 [pid 7626] <... futex resumed>) = 0 [pid 7631] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7626] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7626] <... futex resumed>) = 0 [pid 7631] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7626] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7634 attached [pid 7629] +++ exited with 0 +++ [pid 7617] +++ exited with 0 +++ [pid 7633] rt_sigprocmask(SIG_SETMASK, [], [pid 7632] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7632] <... futex resumed>) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7627] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7617, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7633] userfaultfd(UFFD_USER_MODE_ONLY [pid 7632] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7630] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7627] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7633] <... userfaultfd resumed>) = 3 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7634 [pid 7627] <... futex resumed>) = 0 [pid 7633] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] <... futex resumed>) = 0 [pid 7633] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7630] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 7633] <... futex resumed>) = 0 [pid 7633] ioctl(3, UFFDIO_API, NULL [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7635 attached [pid 7633] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7633] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7633] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7630] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] set_robust_list(0x555592b0f6a0, 24 [pid 7633] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7630] <... futex resumed>) = 0 [pid 7634] <... set_robust_list resumed>) = 0 [pid 7630] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7635] set_robust_list(0x555592b0f6a0, 24) = 0 [pid 7635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7635 [pid 7635] <... prctl resumed>) = 0 [pid 7633] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7633] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] <... futex resumed>) = 0 [pid 7630] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] setpgid(0, 0 [pid 7634] <... prctl resumed>) = 0 [pid 7633] <... futex resumed>) = 0 [pid 7630] <... futex resumed>) = 1 [pid 7634] setpgid(0, 0 [pid 7633] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7630] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7634] <... setpgid resumed>) = 0 [pid 7635] <... setpgid resumed>) = 0 [pid 7635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7635] <... openat resumed>) = 3 [pid 7634] <... openat resumed>) = 3 [pid 7635] write(3, "1000", 4) = 4 [pid 7635] close(3) = 0 [pid 7635] write(1, "executing program\n", 18 [pid 7634] write(3, "1000", 4executing program [pid 7635] <... write resumed>) = 18 [pid 7635] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7634] <... write resumed>) = 4 [pid 7635] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7635] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7634] close(3) = 0 ./strace-static-x86_64: Process 7636 attached [pid 7635] <... clone3 resumed> => {parent_tid=[7636]}, 88) = 7636 [pid 7635] rt_sigprocmask(SIG_SETMASK, [], [pid 7634] write(1, "executing program\n", 18 [pid 7626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) executing program [pid 7635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7634] <... write resumed>) = 18 [pid 7626] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7636] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7635] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7636] <... rseq resumed>) = 0 [pid 7635] <... futex resumed>) = 0 [pid 7636] set_robust_list(0x7f2f310f39a0, 24 [pid 7635] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7636] <... set_robust_list resumed>) = 0 [pid 7636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7636] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7636] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7635] <... futex resumed>) = 0 [pid 7635] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7635] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7636] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7636] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7635] <... futex resumed>) = 0 [pid 7635] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7635] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7636] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7626] <... futex resumed>) = 0 [pid 7634] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7634] <... futex resumed>) = 0 [pid 7636] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] <... futex resumed>) = 0 [pid 7635] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7635] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7636] <... futex resumed>) = 1 [pid 7627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7636] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7627] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7627] <... futex resumed>) = 0 [pid 7634] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7634] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7631] <... io_uring_register resumed>) = 0 [pid 7630] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... mmap resumed>) = 0x7f2f310b2000 [pid 7634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7626] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7631] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... mprotect resumed>) = 0 [pid 7634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7631] <... futex resumed>) = 0 [pid 7626] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7631] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7626] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7637 attached [pid 7634] <... clone3 resumed> => {parent_tid=[7637]}, 88) = 7637 [pid 7626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7637] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7637] <... rseq resumed>) = 0 [pid 7634] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... clone3 resumed> => {parent_tid=[7638]}, 88) = 7638 [pid 7637] set_robust_list(0x7f2f310f39a0, 24 [pid 7634] <... futex resumed>) = 0 [pid 7637] <... set_robust_list resumed>) = 0 [pid 7626] rt_sigprocmask(SIG_SETMASK, [], [pid 7637] rt_sigprocmask(SIG_SETMASK, [], [pid 7634] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7637] userfaultfd(UFFD_USER_MODE_ONLY [pid 7630] <... futex resumed>) = 0 [pid 7637] <... userfaultfd resumed>) = 3 [pid 7637] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7637] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7637] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7634] <... futex resumed>) = 0 [pid 7637] ioctl(3, UFFDIO_API, NULL [pid 7634] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7638 attached [pid 7637] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7637] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7638] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7638] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7638] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7637] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7634] <... futex resumed>) = 0 [pid 7634] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7637] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7635] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7630] <... mmap resumed>) = 0x7f2f310b2000 [pid 7630] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7633] <... io_uring_register resumed>) = 0 [pid 7630] <... mprotect resumed>) = 0 [pid 7630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7638] <... futex resumed>) = 0 [pid 7637] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7633] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7639 attached [pid 7638] ioctl(3, UFFDIO_REGISTER, NULL [pid 7637] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] <... futex resumed>) = 0 [pid 7630] <... clone3 resumed> => {parent_tid=[7639]}, 88) = 7639 [pid 7626] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7638] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7637] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7639] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7633] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] rt_sigprocmask(SIG_SETMASK, [], [pid 7639] <... rseq resumed>) = 0 [pid 7638] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7639] set_robust_list(0x7f2f310d29a0, 24 [pid 7638] <... futex resumed>) = 1 [pid 7637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7634] <... futex resumed>) = 0 [pid 7630] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... futex resumed>) = 0 [pid 7639] <... set_robust_list resumed>) = 0 [pid 7638] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7634] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7632] <... io_uring_register resumed>) = 0 [pid 7630] <... futex resumed>) = 0 [pid 7627] <... mmap resumed>) = 0x7f2f310b2000 [pid 7626] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7639] rt_sigprocmask(SIG_SETMASK, [], [pid 7631] <... futex resumed>) = 0 [pid 7630] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7627] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7626] <... futex resumed>) = 1 [pid 7639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7631] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7627] <... mprotect resumed>) = 0 [pid 7626] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7632] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7639] ioctl(3, UFFDIO_REGISTER, NULL [pid 7632] <... futex resumed>) = 0 [pid 7631] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7639] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7632] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7639] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = 1 [pid 7626] <... futex resumed>) = 0 [pid 7639] <... futex resumed>) = 1 [pid 7631] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] <... futex resumed>) = 0 [pid 7626] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7639] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = 0 [pid 7631] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7630] <... futex resumed>) = 1 [pid 7627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7626] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7631] <... madvise resumed>) = 0 [pid 7630] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7633] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7631] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7640 attached [pid 7633] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = 1 [pid 7627] <... clone3 resumed> => {parent_tid=[7640]}, 88) = 7640 [pid 7626] <... futex resumed>) = 0 [pid 7640] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7633] <... futex resumed>) = 1 [pid 7631] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] <... futex resumed>) = 0 [pid 7627] rt_sigprocmask(SIG_SETMASK, [], [pid 7626] exit_group(0 [pid 7640] <... rseq resumed>) = 0 [pid 7638] <... futex resumed>) = ? [pid 7636] <... io_uring_register resumed>) = 0 [pid 7635] <... mmap resumed>) = 0x7f2f310b2000 [pid 7633] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... exit_group resumed>) = ? [pid 7640] set_robust_list(0x7f2f310d29a0, 24 [pid 7638] +++ exited with 0 +++ [pid 7636] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7635] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] <... futex resumed>) = 0 [pid 7640] <... set_robust_list resumed>) = 0 [pid 7636] <... futex resumed>) = 0 [pid 7635] <... mprotect resumed>) = 0 [pid 7633] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7631] <... futex resumed>) = ? [pid 7630] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7635] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7641 attached => {parent_tid=[7641]}, 88) = 7641 [pid 7635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7641] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7635] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7641] <... rseq resumed>) = 0 [pid 7635] <... futex resumed>) = 0 [pid 7627] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7641] set_robust_list(0x7f2f310d29a0, 24 [pid 7635] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7631] +++ exited with 0 +++ [pid 7627] <... futex resumed>) = 0 [pid 7626] +++ exited with 0 +++ [pid 7641] <... set_robust_list resumed>) = 0 [pid 7627] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7641] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7641] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7635] <... futex resumed>) = 0 [pid 7635] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7635] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7641] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7640] rt_sigprocmask(SIG_SETMASK, [], [pid 7636] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7633] <... madvise resumed>) = 0 [pid 7640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7636] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7640] ioctl(3, UFFDIO_REGISTER, NULL [pid 7636] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7636] <... futex resumed>) = 1 [pid 7635] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7640] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7636] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7635] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] exit_group(0 [pid 7640] <... futex resumed>) = 1 [pid 7639] <... futex resumed>) = ? [pid 7636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7635] <... futex resumed>) = 0 [pid 7633] <... futex resumed>) = ? [pid 7630] <... exit_group resumed>) = ? [pid 7627] <... futex resumed>) = 0 [pid 7640] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7636] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7635] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7633] +++ exited with 0 +++ [pid 7627] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7626, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7627] <... futex resumed>) = 1 [pid 7627] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7636] <... madvise resumed>) = 0 [pid 7632] <... futex resumed>) = 0 [pid 7632] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7636] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7632] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7636] <... futex resumed>) = 1 [pid 7635] <... futex resumed>) = 0 [pid 7632] <... futex resumed>) = 1 [pid 7627] <... futex resumed>) = 0 [pid 7636] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7635] exit_group(0 [pid 7632] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7627] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7641] <... futex resumed>) = ? [pid 7639] +++ exited with 0 +++ [pid 7636] <... futex resumed>) = ? [pid 7635] <... exit_group resumed>) = ? [pid 7632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] +++ exited with 0 +++ [pid 7627] <... futex resumed>) = 0 [pid 7641] +++ exited with 0 +++ [pid 7634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7632] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7627] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7630, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7634] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7636] +++ exited with 0 +++ [pid 7635] +++ exited with 0 +++ [pid 7634] <... futex resumed>) = 0 [pid 7634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7635, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7632] <... madvise resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7642 attached [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7643 attached [pid 7642] set_robust_list(0x555592b0f6a0, 24 [pid 7632] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7642 [pid 7643] set_robust_list(0x555592b0f6a0, 24 [pid 7642] <... set_robust_list resumed>) = 0 [pid 7632] <... futex resumed>) = 1 [pid 7627] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7644 attached [pid 7643] <... set_robust_list resumed>) = 0 [pid 7642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7632] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7627] exit_group(0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7644 [pid 7644] set_robust_list(0x555592b0f6a0, 24 [pid 7643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7642] <... prctl resumed>) = 0 [pid 7640] <... futex resumed>) = ? [pid 7632] <... futex resumed>) = ? [pid 7627] <... exit_group resumed>) = ? [pid 7644] <... set_robust_list resumed>) = 0 [pid 7643] <... prctl resumed>) = 0 [pid 7642] setpgid(0, 0 [pid 7640] +++ exited with 0 +++ [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7643 [pid 7642] <... setpgid resumed>) = 0 [pid 7642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7642] <... openat resumed>) = 3 [pid 7632] +++ exited with 0 +++ [pid 7627] +++ exited with 0 +++ [pid 7643] setpgid(0, 0 [pid 7644] <... prctl resumed>) = 0 [pid 7643] <... setpgid resumed>) = 0 [pid 7642] write(3, "1000", 4 [pid 7634] <... mmap resumed>) = 0x7f2f310b2000 [pid 7644] setpgid(0, 0 [pid 7643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7642] <... write resumed>) = 4 [pid 7637] <... io_uring_register resumed>) = 0 [pid 7634] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7627, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7644] <... setpgid resumed>) = 0 [pid 7643] <... openat resumed>) = 3 [pid 7642] close(3 [pid 7637] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] <... mprotect resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7644] <... openat resumed>) = 3 [pid 7643] write(3, "1000", 4 [pid 7637] <... futex resumed>) = 0 [pid 7634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7644] write(3, "1000", 4 [pid 7643] <... write resumed>) = 4 [pid 7637] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7645 attached [pid 7644] <... write resumed>) = 4 [pid 7643] close(3 [pid 7644] close(3 [pid 7643] <... close resumed>) = 0 [pid 7642] <... close resumed>) = 0 executing program [pid 7642] write(1, "executing program\n", 18./strace-static-x86_64: Process 7646 attached [pid 7645] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7644] <... close resumed>) = 0 [pid 7643] write(1, "executing program\n", 18executing program executing program [pid 7642] <... write resumed>) = 18 [pid 7634] <... clone3 resumed> => {parent_tid=[7645]}, 88) = 7645 [pid 7645] <... rseq resumed>) = 0 [pid 7644] write(1, "executing program\n", 18 [pid 7643] <... write resumed>) = 18 [pid 7642] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7646 [pid 7646] set_robust_list(0x555592b0f6a0, 24 [pid 7645] set_robust_list(0x7f2f310d29a0, 24 [pid 7644] <... write resumed>) = 18 [pid 7643] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... futex resumed>) = 0 [pid 7634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7646] <... set_robust_list resumed>) = 0 [pid 7645] <... set_robust_list resumed>) = 0 [pid 7644] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 7642] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7634] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7645] rt_sigprocmask(SIG_SETMASK, [], [pid 7642] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7644] <... futex resumed>) = 0 [pid 7643] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7634] <... futex resumed>) = 0 [pid 7646] <... prctl resumed>) = 0 [pid 7645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7646] setpgid(0, 0 [pid 7644] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7645] ioctl(3, UFFDIO_REGISTER, NULL [pid 7643] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7634] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] <... setpgid resumed>) = 0 [pid 7645] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7644] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7645] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7646] <... openat resumed>) = 3 [pid 7645] <... futex resumed>) = 1 [pid 7644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7642] <... mmap resumed>) = 0x7f2f310d3000 [pid 7634] <... futex resumed>) = 0 [pid 7643] <... mmap resumed>) = 0x7f2f310d3000 [pid 7634] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7645] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] <... futex resumed>) = 0 [pid 7634] <... futex resumed>) = 1 [pid 7644] <... mmap resumed>) = 0x7f2f310d3000 [pid 7637] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7634] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7643] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7637] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7646] write(3, "1000", 4 [pid 7644] <... mprotect resumed>) = 0 [pid 7642] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7646] <... write resumed>) = 4 [pid 7643] <... mprotect resumed>) = 0 [pid 7637] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] close(3 [pid 7644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7642] <... mprotect resumed>) = 0 [pid 7643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7637] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7646] <... close resumed>) = 0 [pid 7644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7642] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7637] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7646] write(1, "executing program\n", 18 [pid 7644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7634] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7647 attached ./strace-static-x86_64: Process 7648 attached [pid 7646] <... write resumed>) = 18 [pid 7642] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7637] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7634] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7647] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7646] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] <... clone3 resumed> => {parent_tid=[7647]}, 88) = 7647 [pid 7642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7647] <... rseq resumed>) = 0 [pid 7646] <... futex resumed>) = 0 [pid 7647] set_robust_list(0x7f2f310f39a0, 24 [pid 7646] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7642] <... clone3 resumed> => {parent_tid=[7649]}, 88) = 7649 [pid 7647] <... set_robust_list resumed>) = 0 [pid 7646] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7642] rt_sigprocmask(SIG_SETMASK, [], [pid 7647] rt_sigprocmask(SIG_SETMASK, [], [pid 7646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7642] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7642] <... futex resumed>) = 0 [pid 7646] <... mmap resumed>) = 0x7f2f310d3000 [pid 7642] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7649 attached [pid 7648] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7646] <... mprotect resumed>) = 0 [pid 7644] rt_sigprocmask(SIG_SETMASK, [], [pid 7643] <... clone3 resumed> => {parent_tid=[7648]}, 88) = 7648 [pid 7649] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7648] <... rseq resumed>) = 0 [pid 7646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7643] rt_sigprocmask(SIG_SETMASK, [], [pid 7649] <... rseq resumed>) = 0 [pid 7648] set_robust_list(0x7f2f310f39a0, 24 [pid 7644] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7649] set_robust_list(0x7f2f310f39a0, 24 [pid 7648] <... set_robust_list resumed>) = 0 [pid 7644] <... futex resumed>) = 1 [pid 7643] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] <... set_robust_list resumed>) = 0 [pid 7647] <... futex resumed>) = 0 [pid 7646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7648] rt_sigprocmask(SIG_SETMASK, [], [pid 7644] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] <... futex resumed>) = 0 [pid 7649] rt_sigprocmask(SIG_SETMASK, [], [pid 7648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7647] userfaultfd(UFFD_USER_MODE_ONLY [pid 7646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7643] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7650 attached [pid 7649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7648] userfaultfd(UFFD_USER_MODE_ONLY [pid 7647] <... userfaultfd resumed>) = 3 [pid 7650] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7648] <... userfaultfd resumed>) = 3 [pid 7647] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] <... clone3 resumed> => {parent_tid=[7650]}, 88) = 7650 [pid 7650] <... rseq resumed>) = 0 [pid 7649] userfaultfd(UFFD_USER_MODE_ONLY [pid 7648] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... futex resumed>) = 1 [pid 7646] rt_sigprocmask(SIG_SETMASK, [], [pid 7644] <... futex resumed>) = 0 [pid 7650] set_robust_list(0x7f2f310f39a0, 24 [pid 7649] <... userfaultfd resumed>) = 3 [pid 7648] <... futex resumed>) = 1 [pid 7647] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7644] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 7650] <... set_robust_list resumed>) = 0 [pid 7649] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7646] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] <... futex resumed>) = 0 [pid 7643] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] rt_sigprocmask(SIG_SETMASK, [], [pid 7649] <... futex resumed>) = 1 [pid 7648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7647] ioctl(3, UFFDIO_API, NULL [pid 7646] <... futex resumed>) = 0 [pid 7644] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] <... futex resumed>) = 0 [pid 7642] <... futex resumed>) = 0 [pid 7650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7649] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] ioctl(3, UFFDIO_API, NULL [pid 7647] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7646] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] userfaultfd(UFFD_USER_MODE_ONLY [pid 7649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7648] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7647] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... futex resumed>) = 0 [pid 7650] <... userfaultfd resumed>) = 3 [pid 7649] ioctl(3, UFFDIO_API, NULL [pid 7648] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... futex resumed>) = 1 [pid 7644] <... futex resumed>) = 0 [pid 7642] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7650] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] <... futex resumed>) = 1 [pid 7647] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7644] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 7650] <... futex resumed>) = 1 [pid 7649] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7648] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7647] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7646] <... futex resumed>) = 0 [pid 7644] <... futex resumed>) = 0 [pid 7643] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] <... madvise resumed>) = 0 [pid 7650] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7649] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7644] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] <... futex resumed>) = 0 [pid 7649] <... futex resumed>) = 1 [pid 7646] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7643] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] <... futex resumed>) = 0 [pid 7650] <... futex resumed>) = 0 [pid 7648] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7647] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] <... futex resumed>) = 1 [pid 7642] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] ioctl(3, UFFDIO_API, NULL [pid 7649] <... futex resumed>) = 0 [pid 7647] <... futex resumed>) = 1 [pid 7646] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] <... futex resumed>) = 0 [pid 7642] <... futex resumed>) = 1 [pid 7650] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7649] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7647] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7644] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7650] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7650] <... futex resumed>) = 1 [pid 7646] <... futex resumed>) = 0 [pid 7650] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7647] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7646] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7649] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7648] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7646] <... futex resumed>) = 0 [pid 7644] <... futex resumed>) = 0 [pid 7637] <... futex resumed>) = 1 [pid 7634] <... futex resumed>) = 0 [pid 7650] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7648] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7637] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7634] exit_group(0 [pid 7650] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7649] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] <... futex resumed>) = 1 [pid 7643] <... futex resumed>) = 0 [pid 7645] <... futex resumed>) = ? [pid 7637] <... futex resumed>) = ? [pid 7634] <... exit_group resumed>) = ? [pid 7650] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] <... futex resumed>) = 1 [pid 7648] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7645] +++ exited with 0 +++ [pid 7643] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... futex resumed>) = 0 [pid 7637] +++ exited with 0 +++ [pid 7634] +++ exited with 0 +++ [pid 7650] <... futex resumed>) = 1 [pid 7649] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7646] <... futex resumed>) = 0 [pid 7643] <... futex resumed>) = 0 [pid 7642] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7648] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7646] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] <... futex resumed>) = 0 [pid 7646] <... futex resumed>) = 0 [pid 7642] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7634, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7646] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7651 attached [pid 7649] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7651] set_robust_list(0x555592b0f6a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7651 [pid 7651] <... set_robust_list resumed>) = 0 [pid 7651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7651] setpgid(0, 0) = 0 [pid 7651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7647] <... io_uring_register resumed>) = 0 [pid 7644] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7644] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7644] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7651] <... openat resumed>) = 3 [pid 7651] write(3, "1000", 4) = 4 [pid 7647] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] close(3 [pid 7647] <... futex resumed>) = 0 [pid 7651] <... close resumed>) = 0 [pid 7644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} => {parent_tid=[7652]}, 88) = 7652 ./strace-static-x86_64: Process 7652 attached [pid 7651] write(1, "executing program\n", 18 [pid 7647] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7652] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7651] <... write resumed>) = 18 [pid 7652] <... rseq resumed>) = 0 [pid 7651] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] set_robust_list(0x7f2f310d29a0, 24 [pid 7644] rt_sigprocmask(SIG_SETMASK, [], [pid 7652] <... set_robust_list resumed>) = 0 [pid 7651] <... futex resumed>) = 0 [pid 7652] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7651] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7652] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7651] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7644] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7652] <... futex resumed>) = 0 [pid 7651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7644] <... futex resumed>) = 1 [pid 7652] ioctl(3, UFFDIO_REGISTER, NULL [pid 7651] <... mmap resumed>) = 0x7f2f310d3000 [pid 7652] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7651] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7644] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7652] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... mprotect resumed>) = 0 [pid 7642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7652] <... futex resumed>) = 0 [pid 7652] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7651] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7646] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7642] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7646] <... futex resumed>) = 0 [pid 7644] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7653 attached [pid 7647] <... futex resumed>) = 0 [pid 7646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7644] <... futex resumed>) = 1 [pid 7643] <... futex resumed>) = 0 [pid 7642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7653] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7651] <... clone3 resumed> => {parent_tid=[7653]}, 88) = 7653 [pid 7647] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7653] <... rseq resumed>) = 0 [pid 7651] rt_sigprocmask(SIG_SETMASK, [], [pid 7653] set_robust_list(0x7f2f310f39a0, 24 [pid 7651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7647] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7653] <... set_robust_list resumed>) = 0 [pid 7651] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7653] rt_sigprocmask(SIG_SETMASK, [], [pid 7651] <... futex resumed>) = 0 [pid 7647] <... futex resumed>) = 0 [pid 7653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7647] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7651] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7653] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7653] <... futex resumed>) = 0 [pid 7651] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7653] ioctl(3, UFFDIO_API, NULL [pid 7651] <... futex resumed>) = 0 [pid 7653] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7651] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] <... mmap resumed>) = 0x7f2f310b2000 [pid 7644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7653] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] <... io_uring_register resumed>) = 0 [pid 7653] <... futex resumed>) = 1 [pid 7651] <... futex resumed>) = 0 [pid 7646] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7644] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7653] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7651] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... futex resumed>) = 0 [pid 7646] <... mprotect resumed>) = 0 [pid 7644] <... futex resumed>) = 1 [pid 7643] <... mmap resumed>) = 0x7f2f310b2000 [pid 7653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7651] <... futex resumed>) = 0 [pid 7650] <... futex resumed>) = 0 [pid 7648] <... io_uring_register resumed>) = 0 [pid 7647] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7644] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7653] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7651] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7650] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... madvise resumed>) = 0 [pid 7646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7643] <... mprotect resumed>) = 0 [pid 7648] <... futex resumed>) = 0 [pid 7646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7643] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7654 attached [pid 7648] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7647] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7654] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7647] <... futex resumed>) = 1 [pid 7646] <... clone3 resumed> => {parent_tid=[7654]}, 88) = 7654 [pid 7644] <... futex resumed>) = 0 [pid 7643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7655 attached [pid 7654] <... rseq resumed>) = 0 [pid 7653] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7647] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7646] rt_sigprocmask(SIG_SETMASK, [], [pid 7644] exit_group(0 [pid 7655] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7654] set_robust_list(0x7f2f310d29a0, 24 [pid 7653] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] <... futex resumed>) = ? [pid 7647] <... futex resumed>) = ? [pid 7646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7644] <... exit_group resumed>) = ? [pid 7643] <... clone3 resumed> => {parent_tid=[7655]}, 88) = 7655 [pid 7655] <... rseq resumed>) = 0 [pid 7654] <... set_robust_list resumed>) = 0 [pid 7653] <... futex resumed>) = 1 [pid 7652] +++ exited with 0 +++ [pid 7651] <... futex resumed>) = 0 [pid 7649] <... io_uring_register resumed>) = 0 [pid 7647] +++ exited with 0 +++ [pid 7646] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] +++ exited with 0 +++ [pid 7643] rt_sigprocmask(SIG_SETMASK, [], [pid 7642] <... mmap resumed>) = 0x7f2f310b2000 [pid 7655] set_robust_list(0x7f2f310d29a0, 24 [pid 7654] rt_sigprocmask(SIG_SETMASK, [], [pid 7653] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7651] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] <... futex resumed>) = 0 [pid 7643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7642] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7649] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7644, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7655] <... set_robust_list resumed>) = 0 [pid 7654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7651] <... futex resumed>) = 0 [pid 7649] <... futex resumed>) = 0 [pid 7646] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... mprotect resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7655] rt_sigprocmask(SIG_SETMASK, [], [pid 7654] ioctl(3, UFFDIO_REGISTER, NULL [pid 7653] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7651] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7649] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7643] <... futex resumed>) = 0 [pid 7642] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7654] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7643] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7655] ioctl(3, UFFDIO_REGISTER, NULL [pid 7654] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7656 attached [pid 7655] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7654] <... futex resumed>) = 1 [pid 7646] <... futex resumed>) = 0 [pid 7656] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7655] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7654] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7646] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... clone3 resumed> => {parent_tid=[7656]}, 88) = 7656 [pid 7656] <... rseq resumed>) = 0 [pid 7655] <... futex resumed>) = 1 [pid 7650] <... futex resumed>) = 0 [pid 7646] <... futex resumed>) = 1 [pid 7643] <... futex resumed>) = 0 [pid 7642] rt_sigprocmask(SIG_SETMASK, [], [pid 7656] set_robust_list(0x7f2f310d29a0, 24 [pid 7655] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7650] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7646] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7656] <... set_robust_list resumed>) = 0 [pid 7650] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7648] <... futex resumed>) = 0 [pid 7643] <... futex resumed>) = 1 [pid 7642] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7656] rt_sigprocmask(SIG_SETMASK, [], [pid 7650] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7643] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] <... futex resumed>) = 0 [pid 7656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7650] <... futex resumed>) = 1 [pid 7648] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7646] <... futex resumed>) = 0 [pid 7642] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7657 attached [pid 7656] ioctl(3, UFFDIO_REGISTER, NULL [pid 7650] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] set_robust_list(0x555592b0f6a0, 24 [pid 7656] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7653] <... io_uring_register resumed>) = 0 [pid 7650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7648] <... futex resumed>) = 1 [pid 7646] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7657 [pid 7657] <... set_robust_list resumed>) = 0 [pid 7656] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7653] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7648] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7646] <... futex resumed>) = 0 [pid 7656] <... futex resumed>) = 1 [pid 7653] <... futex resumed>) = 1 [pid 7651] <... futex resumed>) = 0 [pid 7646] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7643] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] <... futex resumed>) = 0 [pid 7656] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7653] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7643] <... futex resumed>) = 0 [pid 7642] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7642] <... futex resumed>) = 1 [pid 7642] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7651] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] <... madvise resumed>) = 0 [pid 7649] <... futex resumed>) = 0 [pid 7648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7651] <... futex resumed>) = 1 [pid 7650] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7648] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7657] setpgid(0, 0 [pid 7653] <... futex resumed>) = 0 [pid 7651] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7650] <... futex resumed>) = 1 [pid 7649] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7648] <... madvise resumed>) = 0 [pid 7646] <... futex resumed>) = 0 [pid 7657] <... setpgid resumed>) = 0 [pid 7653] ioctl(3, UFFDIO_REGISTER, NULL [pid 7650] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7649] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] exit_group(0 [pid 7657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7654] <... futex resumed>) = ? [pid 7653] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7650] <... futex resumed>) = ? [pid 7649] <... futex resumed>) = 1 [pid 7646] <... exit_group resumed>) = ? [pid 7642] <... futex resumed>) = 0 [pid 7654] +++ exited with 0 +++ [pid 7653] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] +++ exited with 0 +++ [pid 7649] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7642] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... openat resumed>) = 3 [pid 7653] <... futex resumed>) = 1 [pid 7651] <... futex resumed>) = 0 [pid 7649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7643] <... futex resumed>) = 0 [pid 7642] <... futex resumed>) = 0 [pid 7657] write(3, "1000", 4 [pid 7653] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7651] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7648] <... futex resumed>) = 1 [pid 7643] exit_group(0 [pid 7642] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7651] <... futex resumed>) = 0 [pid 7657] <... write resumed>) = 4 [pid 7653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7651] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] +++ exited with 0 +++ [pid 7657] close(3 [pid 7653] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7657] <... close resumed>) = 0 [pid 7653] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7657] write(1, "executing program\n", 18 executing program [pid 7653] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... write resumed>) = 18 [pid 7655] <... futex resumed>) = ? [pid 7651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7649] <... madvise resumed>) = 0 [pid 7643] <... exit_group resumed>) = ? [pid 7653] <... futex resumed>) = 0 [pid 7657] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7655] +++ exited with 0 +++ [pid 7651] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... futex resumed>) = 0 [pid 7653] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7651] <... futex resumed>) = 0 [pid 7649] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7646, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7657] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7651] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7649] <... futex resumed>) = 1 [pid 7643] +++ exited with 0 +++ [pid 7642] <... futex resumed>) = 0 [pid 7657] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7653] <... madvise resumed>) = 0 [pid 7649] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7642] exit_group(0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7643, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7656] <... futex resumed>) = ? [pid 7653] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] <... futex resumed>) = ? [pid 7642] <... exit_group resumed>) = ? [pid 7657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7653] <... futex resumed>) = 1 [pid 7649] +++ exited with 0 +++ [pid 7657] <... mmap resumed>) = 0x7f2f310d3000 [pid 7653] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7651] <... futex resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7657] <... mprotect resumed>) = 0 [pid 7656] +++ exited with 0 +++ [pid 7642] +++ exited with 0 +++ [pid 7657] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7658 attached [], 8) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7642, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7651] exit_group(0 [pid 7658] set_robust_list(0x555592b0f6a0, 24 [pid 7657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7658 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7653] <... futex resumed>) = ? [pid 7651] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7659 attached [pid 7658] <... set_robust_list resumed>) = 0 [pid 7653] +++ exited with 0 +++ [pid 7657] <... clone3 resumed> => {parent_tid=[7659]}, 88) = 7659 [pid 7657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7657] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7657] <... futex resumed>) = 0 [pid 7658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... restart_syscall resumed>) = 0 [pid 7659] <... rseq resumed>) = 0 [pid 7657] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7651] +++ exited with 0 +++ [pid 7658] <... prctl resumed>) = 0 [pid 7659] set_robust_list(0x7f2f310f39a0, 24 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7651, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7658] setpgid(0, 0 [pid 7659] <... set_robust_list resumed>) = 0 [pid 7658] <... setpgid resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7659] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7660 attached NULL, 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7660 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7661 attached [pid 7660] set_robust_list(0x555592b0f6a0, 24 [pid 7659] userfaultfd(UFFD_USER_MODE_ONLY [pid 7658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7660] <... set_robust_list resumed>) = 0 [pid 7659] <... userfaultfd resumed>) = 3 [pid 7658] <... openat resumed>) = 3 [pid 7660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7659] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7657] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7657] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7660] <... prctl resumed>) = 0 [pid 7660] setpgid(0, 0 [pid 7658] write(3, "1000", 4 [pid 7659] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... write resumed>) = 4 [pid 7660] <... setpgid resumed>) = 0 [pid 7659] <... futex resumed>) = 1 [pid 7658] close(3 [pid 7657] <... futex resumed>) = 0 [pid 7660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7659] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7658] <... close resumed>) = 0 [pid 7657] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7659] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7658] write(1, "executing program\n", 18 [pid 7657] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7662 [pid 7657] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... openat resumed>) = 3 [pid 7658] <... write resumed>) = 18 [pid 7658] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7658] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7660] write(3, "1000", 4 [pid 7658] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7662 attached [pid 7661] set_robust_list(0x555592b0f6a0, 24 [pid 7660] <... write resumed>) = 4 [pid 7659] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7661 [pid 7662] set_robust_list(0x555592b0f6a0, 24 [pid 7661] <... set_robust_list resumed>) = 0 [pid 7660] close(3 [pid 7658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7660] <... close resumed>) = 0 [pid 7659] <... futex resumed>) = 1 [pid 7658] <... mmap resumed>) = 0x7f2f310d3000 executing program [pid 7660] write(1, "executing program\n", 18 [pid 7659] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7658] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7662] <... set_robust_list resumed>) = 0 [pid 7660] <... write resumed>) = 18 [pid 7658] <... mprotect resumed>) = 0 [pid 7661] <... prctl resumed>) = 0 [pid 7660] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7661] setpgid(0, 0 [pid 7660] <... futex resumed>) = 0 [pid 7658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7662] <... prctl resumed>) = 0 [pid 7661] <... setpgid resumed>) = 0 [pid 7660] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7657] <... futex resumed>) = 0 [pid 7662] setpgid(0, 0 [pid 7661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7660] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7663 attached [pid 7661] <... openat resumed>) = 3 [pid 7660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7657] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7662] <... setpgid resumed>) = 0 [pid 7661] write(3, "1000", 4 [pid 7660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7659] <... futex resumed>) = 0 [pid 7657] <... futex resumed>) = 1 [pid 7662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7661] <... write resumed>) = 4 [pid 7660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7659] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7658] <... clone3 resumed> => {parent_tid=[7663]}, 88) = 7663 [pid 7663] <... rseq resumed>) = 0 [pid 7662] <... openat resumed>) = 3 [pid 7661] close(3 [pid 7660] <... mmap resumed>) = 0x7f2f310d3000 [pid 7657] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7658] rt_sigprocmask(SIG_SETMASK, [], [pid 7661] <... close resumed>) = 0 [pid 7660] <... mprotect resumed>) = 0 [pid 7661] write(1, "executing program\n", 18executing program ) = 18 [pid 7660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7663] set_robust_list(0x7f2f310f39a0, 24 [pid 7662] write(3, "1000", 4 [pid 7661] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7658] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] <... write resumed>) = 4 [pid 7661] <... futex resumed>) = 0 [pid 7663] <... set_robust_list resumed>) = 0 [pid 7660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7658] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7664 attached [pid 7663] rt_sigprocmask(SIG_SETMASK, [], [pid 7662] close(3 [pid 7661] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7658] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7664] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7662] <... close resumed>) = 0 [pid 7661] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7660] <... clone3 resumed> => {parent_tid=[7664]}, 88) = 7664 executing program [pid 7663] userfaultfd(UFFD_USER_MODE_ONLY [pid 7662] write(1, "executing program\n", 18 [pid 7661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7660] rt_sigprocmask(SIG_SETMASK, [], [pid 7664] <... rseq resumed>) = 0 [pid 7663] <... userfaultfd resumed>) = 3 [pid 7662] <... write resumed>) = 18 [pid 7661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7664] set_robust_list(0x7f2f310f39a0, 24 [pid 7663] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7660] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] <... set_robust_list resumed>) = 0 [pid 7663] <... futex resumed>) = 1 [pid 7662] <... futex resumed>) = 0 [pid 7661] <... mmap resumed>) = 0x7f2f310d3000 [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7664] rt_sigprocmask(SIG_SETMASK, [], [pid 7663] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7661] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7660] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7661] <... mprotect resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7664] userfaultfd(UFFD_USER_MODE_ONLY [pid 7663] ioctl(3, UFFDIO_API, NULL [pid 7662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7658] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7664] <... userfaultfd resumed>) = 3 [pid 7663] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7664] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7665 attached [pid 7664] <... futex resumed>) = 1 [pid 7663] <... futex resumed>) = 1 [pid 7662] <... mmap resumed>) = 0x7f2f310d3000 [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7665] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7664] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7663] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7661] <... clone3 resumed> => {parent_tid=[7665]}, 88) = 7665 [pid 7660] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] <... rseq resumed>) = 0 [pid 7664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7662] <... mprotect resumed>) = 0 [pid 7661] rt_sigprocmask(SIG_SETMASK, [], [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7665] set_robust_list(0x7f2f310f39a0, 24 [pid 7664] ioctl(3, UFFDIO_API, NULL [pid 7663] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7660] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7665] <... set_robust_list resumed>) = 0 [pid 7664] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7663] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7661] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] rt_sigprocmask(SIG_SETMASK, [], [pid 7664] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7661] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7666 attached [pid 7665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7664] <... futex resumed>) = 1 [pid 7663] <... futex resumed>) = 1 [pid 7661] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7666] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7665] userfaultfd(UFFD_USER_MODE_ONLY [pid 7664] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7663] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] <... clone3 resumed> => {parent_tid=[7666]}, 88) = 7666 [pid 7660] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... rseq resumed>) = 0 [pid 7665] <... userfaultfd resumed>) = 3 [pid 7664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7662] rt_sigprocmask(SIG_SETMASK, [], [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7666] set_robust_list(0x7f2f310f39a0, 24 [pid 7665] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7663] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7660] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] <... io_uring_register resumed>) = 0 [pid 7658] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] <... set_robust_list resumed>) = 0 [pid 7665] <... futex resumed>) = 1 [pid 7664] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7662] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] <... futex resumed>) = 0 [pid 7659] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] rt_sigprocmask(SIG_SETMASK, [], [pid 7665] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] <... futex resumed>) = 0 [pid 7661] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7664] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7661] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7666] userfaultfd(UFFD_USER_MODE_ONLY [pid 7665] ioctl(3, UFFDIO_API, NULL [pid 7664] <... futex resumed>) = 1 [pid 7661] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... futex resumed>) = 0 [pid 7659] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... userfaultfd resumed>) = 3 [pid 7665] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7664] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7660] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] <... futex resumed>) = 0 [pid 7666] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7660] <... futex resumed>) = 0 [pid 7659] ioctl(3, UFFDIO_REGISTER, NULL [pid 7657] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] <... futex resumed>) = 1 [pid 7665] <... futex resumed>) = 1 [pid 7664] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7662] <... futex resumed>) = 0 [pid 7661] <... futex resumed>) = 0 [pid 7660] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7666] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7665] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7662] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7662] <... futex resumed>) = 0 [pid 7661] <... futex resumed>) = 0 [pid 7666] ioctl(3, UFFDIO_API, NULL [pid 7661] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7665] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7662] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7666] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7659] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = 0 [pid 7665] <... futex resumed>) = 1 [pid 7662] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] <... futex resumed>) = 0 [pid 7666] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7665] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] <... futex resumed>) = 0 [pid 7661] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7657] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7661] <... futex resumed>) = 0 [pid 7661] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7662] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7659] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7665] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7666] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = 1 [pid 7662] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = 1 [pid 7666] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] <... futex resumed>) = 0 [pid 7666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7662] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = 0 [pid 7657] <... futex resumed>) = 1 [pid 7662] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7657] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7663] <... io_uring_register resumed>) = 0 [pid 7661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7659] <... madvise resumed>) = 0 [pid 7658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7660] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = 1 [pid 7660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7659] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7661] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... futex resumed>) = 0 [pid 7661] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7657] exit_group(0 [pid 7662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7659] <... futex resumed>) = ? [pid 7658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7657] <... exit_group resumed>) = ? [pid 7662] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] +++ exited with 0 +++ [pid 7658] <... mmap resumed>) = 0x7f2f310b2000 [pid 7657] +++ exited with 0 +++ [pid 7662] <... futex resumed>) = 0 [pid 7658] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7658] <... mprotect resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7657, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7665] <... io_uring_register resumed>) = 0 [pid 7663] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] <... mmap resumed>) = 0x7f2f310b2000 [pid 7658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7665] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] <... futex resumed>) = 0 [pid 7661] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7667 attached [pid 7665] <... futex resumed>) = 0 [pid 7663] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7658] <... clone3 resumed> => {parent_tid=[7667]}, 88) = 7667 [pid 7667] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7666] <... io_uring_register resumed>) = 0 [pid 7665] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7664] <... io_uring_register resumed>) = 0 [pid 7662] <... mmap resumed>) = 0x7f2f310b2000 [pid 7661] <... mprotect resumed>) = 0 [pid 7660] <... mmap resumed>) = 0x7f2f310b2000 [pid 7658] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... restart_syscall resumed>) = 0 [pid 7667] <... rseq resumed>) = 0 [pid 7666] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7664] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7660] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7667] set_robust_list(0x7f2f310d29a0, 24 [pid 7666] <... futex resumed>) = 0 [pid 7664] <... futex resumed>) = 0 [pid 7662] <... mprotect resumed>) = 0 [pid 7661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7660] <... mprotect resumed>) = 0 [pid 7658] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] <... set_robust_list resumed>) = 0 [pid 7666] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7664] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7660] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7658] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7668 attached [pid 7667] rt_sigprocmask(SIG_SETMASK, [], [pid 7662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7660] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7658] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7661] <... clone3 resumed> => {parent_tid=[7668]}, 88) = 7668 [pid 7660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7670 attached ./strace-static-x86_64: Process 7669 attached [pid 7667] ioctl(3, UFFDIO_REGISTER, NULL [pid 7661] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7671 attached [pid 7670] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7669] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7668] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7667] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7662] <... clone3 resumed> => {parent_tid=[7669]}, 88) = 7669 [pid 7661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7660] <... clone3 resumed> => {parent_tid=[7670]}, 88) = 7670 [pid 7671] set_robust_list(0x555592b0f6a0, 24 [pid 7670] <... rseq resumed>) = 0 [pid 7669] <... rseq resumed>) = 0 [pid 7668] <... rseq resumed>) = 0 [pid 7667] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] rt_sigprocmask(SIG_SETMASK, [], [pid 7661] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7671 [pid 7671] <... set_robust_list resumed>) = 0 [pid 7670] set_robust_list(0x7f2f310d29a0, 24 [pid 7669] set_robust_list(0x7f2f310d29a0, 24 [pid 7668] set_robust_list(0x7f2f310d29a0, 24 [pid 7667] <... futex resumed>) = 1 [pid 7662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7661] <... futex resumed>) = 0 [pid 7660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7670] <... set_robust_list resumed>) = 0 [pid 7669] <... set_robust_list resumed>) = 0 [pid 7668] <... set_robust_list resumed>) = 0 [pid 7667] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] <... prctl resumed>) = 0 [pid 7670] rt_sigprocmask(SIG_SETMASK, [], [pid 7669] rt_sigprocmask(SIG_SETMASK, [], [pid 7668] rt_sigprocmask(SIG_SETMASK, [], [pid 7663] <... futex resumed>) = 0 [pid 7662] <... futex resumed>) = 0 [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 1 [pid 7671] setpgid(0, 0 [pid 7670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7663] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7662] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7671] <... setpgid resumed>) = 0 [pid 7670] ioctl(3, UFFDIO_REGISTER, NULL [pid 7669] ioctl(3, UFFDIO_REGISTER, NULL [pid 7668] ioctl(3, UFFDIO_REGISTER, NULL [pid 7663] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7670] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7669] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7668] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7663] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7670] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7669] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7668] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] <... futex resumed>) = 1 [pid 7658] <... futex resumed>) = 0 [pid 7670] <... futex resumed>) = 1 [pid 7669] <... futex resumed>) = 1 [pid 7668] <... futex resumed>) = 1 [pid 7663] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] <... futex resumed>) = 0 [pid 7661] <... futex resumed>) = 0 [pid 7660] <... futex resumed>) = 0 [pid 7658] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7660] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... futex resumed>) = 0 [pid 7663] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7660] <... futex resumed>) = 1 [pid 7658] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7669] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7664] <... futex resumed>) = 0 [pid 7663] <... madvise resumed>) = 0 [pid 7668] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7664] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7662] <... futex resumed>) = 1 [pid 7661] <... futex resumed>) = 1 [pid 7662] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7664] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7661] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7671] <... openat resumed>) = 3 [pid 7664] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] write(3, "1000", 4 [pid 7664] <... futex resumed>) = 0 [pid 7671] <... write resumed>) = 4 executing program [pid 7671] close(3 [pid 7660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7671] <... close resumed>) = 0 [pid 7664] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7660] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] write(1, "executing program\n", 18) = 18 [pid 7660] <... futex resumed>) = 0 [pid 7666] <... futex resumed>) = 0 [pid 7665] <... futex resumed>) = 0 [pid 7660] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7665] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7666] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7665] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7666] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] <... futex resumed>) = 0 [pid 7671] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7661] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7666] <... futex resumed>) = 1 [pid 7665] <... futex resumed>) = 1 [pid 7662] <... futex resumed>) = 0 [pid 7666] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7665] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7662] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] <... futex resumed>) = 0 [pid 7665] <... madvise resumed>) = 0 [pid 7664] <... madvise resumed>) = 0 [pid 7662] <... futex resumed>) = 0 [pid 7671] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7666] <... madvise resumed>) = 0 [pid 7662] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7663] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7671] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7664] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] <... mprotect resumed>) = 0 [pid 7663] <... futex resumed>) = 1 [pid 7664] <... futex resumed>) = 1 [pid 7664] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7663] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = 0 [pid 7671] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7660] exit_group(0 [pid 7658] exit_group(0 [pid 7664] <... futex resumed>) = ? [pid 7663] <... futex resumed>) = ? [pid 7660] <... exit_group resumed>) = ? [pid 7671] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7658] <... exit_group resumed>) = ? [pid 7671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7664] +++ exited with 0 +++ [pid 7663] +++ exited with 0 +++ [pid 7670] <... futex resumed>) = ? [pid 7667] <... futex resumed>) = ? ./strace-static-x86_64: Process 7672 attached [pid 7670] +++ exited with 0 +++ [pid 7660] +++ exited with 0 +++ [pid 7672] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7666] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7660, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7672] set_robust_list(0x7f2f310f39a0, 24 [pid 7671] <... clone3 resumed> => {parent_tid=[7672]}, 88) = 7672 [pid 7665] <... futex resumed>) = 1 [pid 7661] <... futex resumed>) = 0 [pid 7672] <... set_robust_list resumed>) = 0 [pid 7671] rt_sigprocmask(SIG_SETMASK, [], [pid 7667] +++ exited with 0 +++ [pid 7666] <... futex resumed>) = 1 [pid 7665] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] <... futex resumed>) = 0 [pid 7661] exit_group(0 [pid 7658] +++ exited with 0 +++ [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7672] rt_sigprocmask(SIG_SETMASK, [], [pid 7671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7666] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7665] <... futex resumed>) = ? [pid 7662] exit_group(0 [pid 7661] <... exit_group resumed>) = ? [pid 7669] <... futex resumed>) = ? [pid 7666] <... futex resumed>) = ? [pid 7665] +++ exited with 0 +++ [pid 7662] <... exit_group resumed>) = ? [pid 7672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7671] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7669] +++ exited with 0 +++ [pid 7668] <... futex resumed>) = ? [pid 7666] +++ exited with 0 +++ [pid 7662] +++ exited with 0 +++ [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7658, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 7672] userfaultfd(UFFD_USER_MODE_ONLY [pid 7671] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7662, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7672] <... userfaultfd resumed>) = 3 [pid 7671] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7672] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7673 attached ) = 1 [pid 7671] <... futex resumed>) = 0 [pid 7668] +++ exited with 0 +++ [pid 7661] +++ exited with 0 +++ [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7672] ioctl(3, UFFDIO_API, NULL [pid 7671] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7661, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7671] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7671] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7673] set_robust_list(0x555592b0f6a0, 24 [pid 7672] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7673] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7674 attached [pid 7673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7672] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7673 ./strace-static-x86_64: Process 7675 attached [pid 7673] <... prctl resumed>) = 0 [pid 7672] <... futex resumed>) = 1 [pid 7671] <... futex resumed>) = 0 [pid 7674] set_robust_list(0x555592b0f6a0, 24 [pid 7673] setpgid(0, 0 [pid 7671] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] <... set_robust_list resumed>) = 0 [pid 7673] <... setpgid resumed>) = 0 [pid 7675] set_robust_list(0x555592b0f6a0, 24 [pid 7674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7672] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7671] <... futex resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7674 [pid 7675] <... set_robust_list resumed>) = 0 [pid 7671] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7674] <... prctl resumed>) = 0 [pid 7673] <... openat resumed>) = 3 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7675 [pid 7674] setpgid(0, 0 [pid 7672] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7674] <... setpgid resumed>) = 0 [pid 7673] write(3, "1000", 4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7673] <... write resumed>) = 4 [pid 7675] <... prctl resumed>) = 0 [pid 7675] setpgid(0, 0 [pid 7674] <... openat resumed>) = 3 [pid 7673] close(3executing program [pid 7675] <... setpgid resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7673] <... close resumed>) = 0 [pid 7674] write(3, "1000", 4 [pid 7673] write(1, "executing program\n", 18 [pid 7675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7674] <... write resumed>) = 4 [pid 7673] <... write resumed>) = 18 [pid 7674] close(3./strace-static-x86_64: Process 7676 attached [pid 7675] <... openat resumed>) = 3 [pid 7674] <... close resumed>) = 0 executing program [pid 7673] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7672] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] set_robust_list(0x555592b0f6a0, 24 [pid 7675] write(3, "1000", 4 [pid 7674] write(1, "executing program\n", 18) = 18 [pid 7674] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7674] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7674] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7672] <... futex resumed>) = 1 [pid 7676] <... set_robust_list resumed>) = 0 [pid 7674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7673] <... futex resumed>) = 0 [pid 7672] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7673] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7676] <... prctl resumed>) = 0 [pid 7674] <... clone3 resumed> => {parent_tid=[7677]}, 88) = 7677 [pid 7673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7677 attached [pid 7676] setpgid(0, 0 [pid 7674] rt_sigprocmask(SIG_SETMASK, [], [pid 7673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7671] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7676 [pid 7674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7676] <... setpgid resumed>) = 0 [pid 7673] <... mmap resumed>) = 0x7f2f310d3000 [pid 7674] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7674] <... futex resumed>) = 0 [pid 7673] <... mprotect resumed>) = 0 [pid 7674] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7676] <... openat resumed>) = 3 [pid 7673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7676] write(3, "1000", 4 [pid 7673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7678 attached [pid 7676] <... write resumed>) = 4 [pid 7678] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7675] <... write resumed>) = 4 [pid 7671] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7677] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7675] close(3 [pid 7671] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7672] <... futex resumed>) = 0 [pid 7672] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7677] <... rseq resumed>) = 0 [pid 7675] <... close resumed>) = 0 [pid 7677] set_robust_list(0x7f2f310f39a0, 24 [pid 7675] write(1, "executing program\n", 18executing program [pid 7677] <... set_robust_list resumed>) = 0 [pid 7675] <... write resumed>) = 18 [pid 7677] rt_sigprocmask(SIG_SETMASK, [], [pid 7675] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] <... clone3 resumed> => {parent_tid=[7678]}, 88) = 7678 [pid 7677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7675] <... futex resumed>) = 0 [pid 7678] <... rseq resumed>) = 0 [pid 7677] userfaultfd(UFFD_USER_MODE_ONLY [pid 7676] close(3 [pid 7675] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7673] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 7677] <... userfaultfd resumed>) = 3 [pid 7675] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7678] set_robust_list(0x7f2f310f39a0, 24 [pid 7676] <... close resumed>) = 0 [pid 7673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7678] <... set_robust_list resumed>) = 0 [pid 7676] write(1, "executing program\n", 18 [pid 7673] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] rt_sigprocmask(SIG_SETMASK, [], [pid 7676] <... write resumed>) = 18 [pid 7673] <... futex resumed>) = 0 [pid 7678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7676] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] userfaultfd(UFFD_USER_MODE_ONLY [pid 7676] <... futex resumed>) = 0 [pid 7678] <... userfaultfd resumed>) = 3 [pid 7677] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7675] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7678] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... futex resumed>) = 1 [pid 7676] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7674] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = 1 [pid 7677] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7674] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] <... futex resumed>) = 0 [pid 7678] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7677] ioctl(3, UFFDIO_API, NULL [pid 7675] <... mmap resumed>) = 0x7f2f310d3000 [pid 7677] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7675] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7677] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] <... mprotect resumed>) = 0 [pid 7677] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7674] <... futex resumed>) = 0 [pid 7673] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7678] ioctl(3, UFFDIO_API, NULL [pid 7676] <... mmap resumed>) = 0x7f2f310d3000 [pid 7674] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... futex resumed>) = 0 [pid 7676] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7673] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7676] <... mprotect resumed>) = 0 [pid 7674] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7674] <... futex resumed>) = 0 [pid 7675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7674] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7677] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7676] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7678] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 ./strace-static-x86_64: Process 7680 attached [pid 7675] <... clone3 resumed> => {parent_tid=[7680]}, 88) = 7680 [pid 7675] rt_sigprocmask(SIG_SETMASK, [], [pid 7678] <... futex resumed>) = 1 [pid 7673] <... futex resumed>) = 0 [pid 7673] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7673] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7679 attached [pid 7680] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7678] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7676] <... clone3 resumed> => {parent_tid=[7679]}, 88) = 7679 [pid 7675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7680] <... rseq resumed>) = 0 [pid 7678] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7676] rt_sigprocmask(SIG_SETMASK, [], [pid 7675] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] set_robust_list(0x7f2f310f39a0, 24 [pid 7675] <... futex resumed>) = 0 [pid 7680] <... set_robust_list resumed>) = 0 [pid 7679] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7675] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7680] rt_sigprocmask(SIG_SETMASK, [], [pid 7679] <... rseq resumed>) = 0 [pid 7676] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... futex resumed>) = 1 [pid 7680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7679] set_robust_list(0x7f2f310f39a0, 24 [pid 7676] <... futex resumed>) = 0 [pid 7674] <... futex resumed>) = 0 [pid 7680] userfaultfd(UFFD_USER_MODE_ONLY [pid 7679] <... set_robust_list resumed>) = 0 [pid 7677] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7674] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] <... userfaultfd resumed>) = 3 [pid 7679] rt_sigprocmask(SIG_SETMASK, [], [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7674] <... futex resumed>) = 0 [pid 7680] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7677] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7674] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7680] <... futex resumed>) = 1 [pid 7675] <... futex resumed>) = 0 [pid 7679] userfaultfd(UFFD_USER_MODE_ONLY [pid 7678] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] <... userfaultfd resumed>) = 3 [pid 7678] <... futex resumed>) = 1 [pid 7673] <... futex resumed>) = 0 [pid 7679] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7673] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] ioctl(3, UFFDIO_API, NULL [pid 7679] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7675] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] <... futex resumed>) = 0 [pid 7680] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7676] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] <... futex resumed>) = 0 [pid 7673] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7680] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... futex resumed>) = 0 [pid 7675] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7680] <... futex resumed>) = 0 [pid 7679] ioctl(3, UFFDIO_API, NULL [pid 7676] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7680] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7675] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7679] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] <... futex resumed>) = 0 [pid 7671] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7680] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7679] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7675] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7671] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7676] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7676] <... futex resumed>) = 0 [pid 7680] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7679] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7676] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7679] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7676] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... futex resumed>) = 0 [pid 7676] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7680] <... futex resumed>) = 1 [pid 7679] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7675] <... futex resumed>) = 0 [pid 7680] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7675] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] <... futex resumed>) = 0 [pid 7680] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7675] <... futex resumed>) = 1 [pid 7675] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7674] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7674] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7673] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7671] <... mmap resumed>) = 0x7f2f310b2000 [pid 7671] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7676] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 7671] <... clone3 resumed> => {parent_tid=[7681]}, 88) = 7681 [pid 7676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7671] rt_sigprocmask(SIG_SETMASK, [], [pid 7676] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7676] <... futex resumed>) = 0 [pid 7671] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7671] <... futex resumed>) = 0 [pid 7671] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7681 attached [pid 7674] <... mmap resumed>) = 0x7f2f310b2000 [pid 7677] <... io_uring_register resumed>) = 0 [pid 7674] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7677] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] <... mprotect resumed>) = 0 [pid 7677] <... futex resumed>) = 0 [pid 7674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7672] <... io_uring_register resumed>) = 0 [pid 7681] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7677] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7681] <... rseq resumed>) = 0 [pid 7674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7672] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] <... clone3 resumed> => {parent_tid=[7682]}, 88) = 7682 ./strace-static-x86_64: Process 7682 attached [pid 7681] set_robust_list(0x7f2f310d29a0, 24 [pid 7674] rt_sigprocmask(SIG_SETMASK, [], [pid 7672] <... futex resumed>) = 0 [pid 7675] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7675] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7675] <... futex resumed>) = 0 [pid 7674] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7674] <... futex resumed>) = 0 [pid 7682] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7681] <... set_robust_list resumed>) = 0 [pid 7674] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7672] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7682] <... rseq resumed>) = 0 [pid 7681] rt_sigprocmask(SIG_SETMASK, [], [pid 7682] set_robust_list(0x7f2f310d29a0, 24 [pid 7681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7682] <... set_robust_list resumed>) = 0 [pid 7681] ioctl(3, UFFDIO_REGISTER, NULL [pid 7682] rt_sigprocmask(SIG_SETMASK, [], [pid 7681] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7681] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7682] ioctl(3, UFFDIO_REGISTER, NULL [pid 7681] <... futex resumed>) = 1 [pid 7671] <... futex resumed>) = 0 [pid 7671] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7672] <... futex resumed>) = 0 [pid 7671] <... futex resumed>) = 1 [pid 7681] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7672] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7671] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7682] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7672] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7682] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7672] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7671] <... futex resumed>) = 0 [pid 7671] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7672] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7671] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7682] <... futex resumed>) = 1 [pid 7675] <... mmap resumed>) = 0x7f2f310b2000 [pid 7674] <... futex resumed>) = 0 [pid 7672] <... madvise resumed>) = 0 [pid 7682] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7680] <... io_uring_register resumed>) = 0 [pid 7679] <... io_uring_register resumed>) = 0 [pid 7678] <... io_uring_register resumed>) = 0 [pid 7676] <... mmap resumed>) = 0x7f2f310b2000 [pid 7675] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7674] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] <... mmap resumed>) = 0x7f2f310b2000 [pid 7672] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... futex resumed>) = 0 [pid 7676] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7675] <... mprotect resumed>) = 0 [pid 7674] <... futex resumed>) = 1 [pid 7673] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7672] <... futex resumed>) = 1 [pid 7671] <... futex resumed>) = 0 [pid 7680] <... futex resumed>) = 0 [pid 7679] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = 0 [pid 7677] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7676] <... mprotect resumed>) = 0 [pid 7675] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7674] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... mprotect resumed>) = 0 [pid 7672] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7671] exit_group(0 [pid 7681] <... futex resumed>) = ? [pid 7680] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7678] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7677] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7675] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7673] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7672] <... futex resumed>) = ? [pid 7671] <... exit_group resumed>) = ? [pid 7681] +++ exited with 0 +++ [pid 7677] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7675] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7673] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7672] +++ exited with 0 +++ [pid 7671] +++ exited with 0 +++ [pid 7677] <... futex resumed>) = 1 [pid 7676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7674] <... futex resumed>) = 0 [pid 7673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7686 attached ./strace-static-x86_64: Process 7685 attached ./strace-static-x86_64: Process 7684 attached [pid 7677] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7674] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7671, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7686] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7685] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7684] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7676] <... clone3 resumed> => {parent_tid=[7686]}, 88) = 7686 [pid 7675] <... clone3 resumed> => {parent_tid=[7684]}, 88) = 7684 [pid 7674] <... futex resumed>) = 0 [pid 7673] <... clone3 resumed> => {parent_tid=[7685]}, 88) = 7685 [pid 7686] <... rseq resumed>) = 0 [pid 7685] <... rseq resumed>) = 0 [pid 7684] <... rseq resumed>) = 0 [pid 7677] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7676] rt_sigprocmask(SIG_SETMASK, [], [pid 7675] rt_sigprocmask(SIG_SETMASK, [], [pid 7674] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7686] set_robust_list(0x7f2f310d29a0, 24 [pid 7685] set_robust_list(0x7f2f310d29a0, 24 [pid 7684] set_robust_list(0x7f2f310d29a0, 24 [pid 7676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7684] <... set_robust_list resumed>) = 0 [pid 7676] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7684] rt_sigprocmask(SIG_SETMASK, [], [pid 7676] <... futex resumed>) = 0 [pid 7673] <... futex resumed>) = 0 [pid 7684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7676] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7684] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] <... set_robust_list resumed>) = 0 [pid 7685] <... set_robust_list resumed>) = 0 [pid 7675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7686] rt_sigprocmask(SIG_SETMASK, [], [pid 7685] rt_sigprocmask(SIG_SETMASK, [], [pid 7675] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7686] ioctl(3, UFFDIO_REGISTER, NULL [pid 7685] ioctl(3, UFFDIO_REGISTER, NULL [pid 7675] <... futex resumed>) = 1 [pid 7686] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7685] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7675] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7686] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7685] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7686] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7686] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7685] <... futex resumed>) = 1 [pid 7676] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7673] <... futex resumed>) = 0 [pid 7685] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] <... futex resumed>) = 0 [pid 7676] <... futex resumed>) = 1 [pid 7673] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7676] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7684] <... futex resumed>) = 0 [pid 7678] <... futex resumed>) = 0 [pid 7673] <... futex resumed>) = 1 [pid 7684] ioctl(3, UFFDIO_REGISTER, NULL [pid 7679] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7678] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7677] <... madvise resumed>) = 0 [pid 7673] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 7684] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7679] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7677] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7684] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] <... futex resumed>) = 1 [pid 7678] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7674] <... futex resumed>) = 0 [pid 7684] <... futex resumed>) = 1 [pid 7679] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7678] <... futex resumed>) = 1 [pid 7677] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] <... futex resumed>) = 0 [pid 7673] <... futex resumed>) = 0 [pid 7674] exit_group(0 [pid 7684] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7678] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7682] <... futex resumed>) = ? [pid 7679] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7677] <... futex resumed>) = ? [pid 7675] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7674] <... exit_group resumed>) = ? [pid 7682] +++ exited with 0 +++ [pid 7677] +++ exited with 0 +++ [pid 7676] <... futex resumed>) = 0 [pid 7673] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7678] <... futex resumed>) = 0 [pid 7676] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... futex resumed>) = 1 [pid 7678] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7673] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7687 attached [pid 7680] <... futex resumed>) = 0 [pid 7679] <... madvise resumed>) = 0 [pid 7675] <... futex resumed>) = 1 [pid 7687] set_robust_list(0x555592b0f6a0, 24 [pid 7680] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7679] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7674] +++ exited with 0 +++ [pid 7687] <... set_robust_list resumed>) = 0 [pid 7680] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7679] <... futex resumed>) = 1 [pid 7687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7680] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7678] <... madvise resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7674, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7687 [pid 7687] <... prctl resumed>) = 0 [pid 7687] setpgid(0, 0 [pid 7680] <... futex resumed>) = 1 [pid 7675] <... futex resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7687] <... setpgid resumed>) = 0 [pid 7680] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7676] exit_group(0 [pid 7675] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... restart_syscall resumed>) = 0 [pid 7687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7686] <... futex resumed>) = ? [pid 7680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7679] <... futex resumed>) = ? [pid 7678] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... exit_group resumed>) = ? [pid 7675] <... futex resumed>) = 0 [pid 7687] <... openat resumed>) = 3 [pid 7686] +++ exited with 0 +++ [pid 7680] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7679] +++ exited with 0 +++ [pid 7678] <... futex resumed>) = 1 [pid 7676] +++ exited with 0 +++ [pid 7675] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7673] <... futex resumed>) = 0 [pid 7687] write(3, "1000", 4 [pid 7678] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7673] exit_group(0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7676, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7678] <... futex resumed>) = ? [pid 7673] <... exit_group resumed>) = ? [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7685] <... futex resumed>) = ? [pid 7678] +++ exited with 0 +++ ./strace-static-x86_64: Process 7688 attached [pid 7680] <... madvise resumed>) = 0 [pid 7685] +++ exited with 0 +++ [pid 7687] <... write resumed>) = 4 [pid 7673] +++ exited with 0 +++ [pid 7687] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7673, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7687] <... close resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7688 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7688] set_robust_list(0x555592b0f6a0, 24 executing program [pid 7687] write(1, "executing program\n", 18 [pid 7680] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7688] <... set_robust_list resumed>) = 0 [pid 7687] <... write resumed>) = 18 [pid 7680] <... futex resumed>) = 1 [pid 7675] <... futex resumed>) = 0 [pid 7688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7687] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7675] exit_group(0 [pid 7688] <... prctl resumed>) = 0 [pid 7687] <... futex resumed>) = 0 [pid 7684] <... futex resumed>) = ? [pid 7680] <... futex resumed>) = ? [pid 7675] <... exit_group resumed>) = ? [pid 7688] setpgid(0, 0 [pid 7687] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7684] +++ exited with 0 +++ [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7688] <... setpgid resumed>) = 0 [pid 7688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7688] write(3, "1000", 4./strace-static-x86_64: Process 7690 attached ./strace-static-x86_64: Process 7689 attached [pid 7687] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7680] +++ exited with 0 +++ [pid 7675] +++ exited with 0 +++ [pid 7687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7689 [pid 7689] set_robust_list(0x555592b0f6a0, 24 [pid 7688] <... write resumed>) = 4 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7675, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7689] <... set_robust_list resumed>) = 0 [pid 7688] close(3 [pid 7687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7690] set_robust_list(0x555592b0f6a0, 24 [pid 7689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7688] <... close resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7690 [pid 7689] <... prctl resumed>) = 0 executing program [pid 7688] write(1, "executing program\n", 18 [pid 7689] setpgid(0, 0 [pid 7688] <... write resumed>) = 18 [pid 7687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7690] <... set_robust_list resumed>) = 0 [pid 7687] <... mmap resumed>) = 0x7f2f310d3000 ./strace-static-x86_64: Process 7691 attached [pid 7690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7689] <... setpgid resumed>) = 0 [pid 7688] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7690] <... prctl resumed>) = 0 [pid 7690] setpgid(0, 0 [pid 7687] <... mprotect resumed>) = 0 [pid 7691] set_robust_list(0x555592b0f6a0, 24 [pid 7690] <... setpgid resumed>) = 0 [pid 7688] <... futex resumed>) = 0 [pid 7691] <... set_robust_list resumed>) = 0 [pid 7690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7689] <... openat resumed>) = 3 [pid 7688] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7691 [pid 7691] <... prctl resumed>) = 0 [pid 7690] <... openat resumed>) = 3 [pid 7689] write(3, "1000", 4 [pid 7688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7691] setpgid(0, 0 [pid 7690] write(3, "1000", 4 [pid 7689] <... write resumed>) = 4 [pid 7688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7691] <... setpgid resumed>) = 0 [pid 7690] <... write resumed>) = 4 [pid 7689] close(3 [pid 7688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7692 attached [pid 7690] close(3 [pid 7691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7690] <... close resumed>) = 0 [pid 7689] <... close resumed>) = 0 [pid 7688] <... mmap resumed>) = 0x7f2f310d3000 executing program [pid 7687] <... clone3 resumed> => {parent_tid=[7692]}, 88) = 7692 [pid 7692] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7690] write(1, "executing program\n", 18 [pid 7689] write(1, "executing program\n", 18executing program [pid 7688] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7692] <... rseq resumed>) = 0 [pid 7690] <... write resumed>) = 18 [pid 7689] <... write resumed>) = 18 [pid 7688] <... mprotect resumed>) = 0 [pid 7692] set_robust_list(0x7f2f310f39a0, 24 [pid 7691] <... openat resumed>) = 3 [pid 7690] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7689] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] rt_sigprocmask(SIG_SETMASK, [], [pid 7689] <... futex resumed>) = 0 [pid 7688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7689] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7691] write(3, "1000", 4 [pid 7687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7692] <... set_robust_list resumed>) = 0 [pid 7689] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7692] rt_sigprocmask(SIG_SETMASK, [], [pid 7690] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7687] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] userfaultfd(UFFD_USER_MODE_ONLY [pid 7687] <... futex resumed>) = 0 [pid 7692] <... userfaultfd resumed>) = 3 [pid 7687] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7692] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... write resumed>) = 4 [pid 7687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7692] <... futex resumed>) = 0 [pid 7691] close(3 [pid 7687] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] ioctl(3, UFFDIO_API, NULL [pid 7687] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7693 attached [pid 7692] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7691] <... close resumed>) = 0 [pid 7689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7687] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7692] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] write(1, "executing program\n", 18 [pid 7690] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7688] <... clone3 resumed> => {parent_tid=[7693]}, 88) = 7693 executing program [pid 7693] <... rseq resumed>) = 0 [pid 7692] <... futex resumed>) = 0 [pid 7689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7688] rt_sigprocmask(SIG_SETMASK, [], [pid 7687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7692] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] <... write resumed>) = 18 [pid 7690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7689] <... mmap resumed>) = 0x7f2f310d3000 [pid 7688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7691] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7689] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7688] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] set_robust_list(0x7f2f310f39a0, 24 [pid 7689] <... mprotect resumed>) = 0 [pid 7688] <... futex resumed>) = 0 [pid 7693] <... set_robust_list resumed>) = 0 [pid 7692] <... futex resumed>) = 0 [pid 7691] <... futex resumed>) = 0 [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7688] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7687] <... futex resumed>) = 1 [pid 7693] rt_sigprocmask(SIG_SETMASK, [], [pid 7692] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7691] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7690] <... mmap resumed>) = 0x7f2f310d3000 [pid 7687] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7691] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7693] userfaultfd(UFFD_USER_MODE_ONLY [pid 7692] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7690] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7693] <... userfaultfd resumed>) = 3 [pid 7692] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7690] <... mprotect resumed>) = 0 [pid 7693] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... futex resumed>) = 1 [pid 7691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7687] <... futex resumed>) = 0 [pid 7693] <... futex resumed>) = 1 [pid 7692] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] <... mmap resumed>) = 0x7f2f310d3000 [pid 7690] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7688] <... futex resumed>) = 0 [pid 7687] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7690] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7688] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] <... futex resumed>) = 0 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7692] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7691] <... mprotect resumed>) = 0 [pid 7690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7688] <... futex resumed>) = 0 [pid 7687] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7695 attached ./strace-static-x86_64: Process 7694 attached [pid 7693] ioctl(3, UFFDIO_API, NULL [pid 7688] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7693] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7691] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7690] <... clone3 resumed> => {parent_tid=[7694]}, 88) = 7694 [pid 7694] <... rseq resumed>) = 0 [pid 7691] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7690] rt_sigprocmask(SIG_SETMASK, [], [pid 7695] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7694] set_robust_list(0x7f2f310f39a0, 24 [pid 7693] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7689] <... clone3 resumed> => {parent_tid=[7695]}, 88) = 7695 ./strace-static-x86_64: Process 7696 attached [pid 7695] <... rseq resumed>) = 0 [pid 7694] <... set_robust_list resumed>) = 0 [pid 7693] <... futex resumed>) = 1 [pid 7690] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7689] rt_sigprocmask(SIG_SETMASK, [], [pid 7688] <... futex resumed>) = 0 [pid 7695] set_robust_list(0x7f2f310f39a0, 24 [pid 7693] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7688] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... set_robust_list resumed>) = 0 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7689] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7688] <... futex resumed>) = 0 [pid 7695] rt_sigprocmask(SIG_SETMASK, [], [pid 7693] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7689] <... futex resumed>) = 0 [pid 7688] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7693] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7689] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] userfaultfd(UFFD_USER_MODE_ONLY [pid 7693] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... userfaultfd resumed>) = 3 [pid 7693] <... futex resumed>) = 1 [pid 7688] <... futex resumed>) = 0 [pid 7696] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7695] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] rt_sigprocmask(SIG_SETMASK, [], [pid 7693] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7690] <... futex resumed>) = 0 [pid 7688] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] <... rseq resumed>) = 0 [pid 7695] <... futex resumed>) = 1 [pid 7694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] <... clone3 resumed> => {parent_tid=[7696]}, 88) = 7696 [pid 7690] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7689] <... futex resumed>) = 0 [pid 7688] <... futex resumed>) = 0 [pid 7696] set_robust_list(0x7f2f310f39a0, 24 [pid 7695] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] userfaultfd(UFFD_USER_MODE_ONLY [pid 7693] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7691] rt_sigprocmask(SIG_SETMASK, [], [pid 7689] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7688] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] <... set_robust_list resumed>) = 0 [pid 7695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] <... userfaultfd resumed>) = 3 [pid 7691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7696] rt_sigprocmask(SIG_SETMASK, [], [pid 7694] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7695] ioctl(3, UFFDIO_API, NULL [pid 7694] <... futex resumed>) = 1 [pid 7691] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7689] <... futex resumed>) = 0 [pid 7696] userfaultfd(UFFD_USER_MODE_ONLY [pid 7695] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7694] ioctl(3, UFFDIO_API, NULL [pid 7691] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7690] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7689] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] <... userfaultfd resumed>) = 3 [pid 7695] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7690] <... futex resumed>) = 0 [pid 7689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7696] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... futex resumed>) = 0 [pid 7694] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7689] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 7691] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7696] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7694] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7691] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = 0 [pid 7696] ioctl(3, UFFDIO_API, NULL [pid 7691] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7690] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7695] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7694] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7689] <... futex resumed>) = 0 [pid 7696] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7695] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7691] <... futex resumed>) = 0 [pid 7689] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7696] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7691] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7689] <... futex resumed>) = 0 [pid 7695] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7689] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... io_uring_register resumed>) = 0 [pid 7689] <... futex resumed>) = 0 [pid 7689] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7694] <... futex resumed>) = 1 [pid 7690] <... futex resumed>) = 0 [pid 7694] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7690] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7690] <... futex resumed>) = 0 [pid 7690] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7687] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7687] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310b2000 [pid 7687] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7696] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7697 attached [pid 7697] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7697] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7692] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] <... clone3 resumed> => {parent_tid=[7697]}, 88) = 7697 [pid 7687] rt_sigprocmask(SIG_SETMASK, [], [pid 7692] <... futex resumed>) = 0 [pid 7687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7687] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7687] <... futex resumed>) = 0 [pid 7687] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7697] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7696] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... futex resumed>) = 0 [pid 7697] <... futex resumed>) = 1 [pid 7696] <... futex resumed>) = 1 [pid 7687] <... futex resumed>) = 0 [pid 7687] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7687] <... futex resumed>) = 1 [pid 7687] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7692] <... futex resumed>) = 0 [pid 7692] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7692] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] <... futex resumed>) = 1 [pid 7687] <... futex resumed>) = 0 [pid 7687] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7687] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7692] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7691] <... futex resumed>) = 0 [pid 7691] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7688] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7692] <... madvise resumed>) = 0 [pid 7688] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7695] <... io_uring_register resumed>) = 0 [pid 7692] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7692] <... futex resumed>) = 1 [pid 7690] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7689] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7687] <... futex resumed>) = 0 [pid 7695] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7692] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7690] <... futex resumed>) = 0 [pid 7689] <... futex resumed>) = 0 [pid 7687] exit_group(0 [pid 7695] <... futex resumed>) = 0 [pid 7697] <... futex resumed>) = ? [pid 7695] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7692] <... futex resumed>) = ? [pid 7690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7687] <... exit_group resumed>) = ? [pid 7697] +++ exited with 0 +++ [pid 7692] +++ exited with 0 +++ [pid 7689] <... mmap resumed>) = 0x7f2f310b2000 [pid 7689] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7689] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7698 attached => {parent_tid=[7698]}, 88) = 7698 [pid 7687] +++ exited with 0 +++ [pid 7689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7687, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7689] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7689] <... futex resumed>) = 0 [pid 7689] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7698] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053) = 0 [pid 7698] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7698] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7698] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7689] <... futex resumed>) = 0 [pid 7689] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... futex resumed>) = 0 [pid 7689] <... futex resumed>) = 1 [pid 7695] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 5832] <... restart_syscall resumed>) = 0 [pid 7695] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7695] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7689] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... futex resumed>) = 0 [pid 7689] <... futex resumed>) = 1 [pid 7695] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7689] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7688] <... mmap resumed>) = 0x7f2f310b2000 [pid 7698] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7693] <... io_uring_register resumed>) = 0 [pid 7688] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7691] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7688] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7699 attached [pid 7699] set_robust_list(0x555592b0f6a0, 24 [pid 7691] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7691] <... futex resumed>) = 0 [pid 7691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7700 attached => {parent_tid=[7700]}, 88) = 7700 [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7699 [pid 7700] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7699] <... set_robust_list resumed>) = 0 [pid 7693] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7688] rt_sigprocmask(SIG_SETMASK, [], [pid 7700] <... rseq resumed>) = 0 [pid 7700] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7695] <... madvise resumed>) = 0 [pid 7693] <... futex resumed>) = 0 [pid 7700] rt_sigprocmask(SIG_SETMASK, [], [pid 7688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7693] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7688] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7700] ioctl(3, UFFDIO_REGISTER, NULL [pid 7688] <... futex resumed>) = 0 [pid 7700] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7699] <... prctl resumed>) = 0 [pid 7695] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7688] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7700] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] setpgid(0, 0 [pid 7695] <... futex resumed>) = 1 [pid 7689] <... futex resumed>) = 0 [pid 7699] <... setpgid resumed>) = 0 [pid 7695] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7700] <... futex resumed>) = 1 [pid 7689] exit_group(0 [pid 7688] <... futex resumed>) = 0 [pid 7699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7698] <... futex resumed>) = ? [pid 7689] <... exit_group resumed>) = ? [pid 7688] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... openat resumed>) = 3 [pid 7698] +++ exited with 0 +++ [pid 7695] <... futex resumed>) = ? [pid 7693] <... futex resumed>) = 0 [pid 7688] <... futex resumed>) = 1 [pid 7688] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7700] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7693] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0) = -1 EINVAL (Invalid argument) [pid 7693] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7688] <... futex resumed>) = 0 [pid 7693] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7688] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] <... futex resumed>) = 0 [pid 7688] <... futex resumed>) = 1 [pid 7693] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7688] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7699] write(3, "1000", 4) = 4 [pid 7699] close(3) = 0 executing program [pid 7699] write(1, "executing program\n", 18) = 18 [pid 7699] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7699] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7695] +++ exited with 0 +++ [pid 7694] <... io_uring_register resumed>) = 0 [pid 7693] <... madvise resumed>) = 0 [pid 7691] <... mmap resumed>) = 0x7f2f310b2000 [pid 7690] <... mmap resumed>) = 0x7f2f310b2000 [pid 7689] +++ exited with 0 +++ [pid 7699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7694] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7693] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7689, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7694] <... futex resumed>) = 0 [pid 7693] <... futex resumed>) = 1 [pid 7690] <... mprotect resumed>) = 0 [pid 7699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7699] <... mmap resumed>) = 0x7f2f310d3000 [pid 7694] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7693] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7688] <... futex resumed>) = 0 [pid 7699] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7699] <... mprotect resumed>) = 0 [pid 7688] exit_group(0 [pid 7700] <... futex resumed>) = ? [pid 7688] <... exit_group resumed>) = ? [pid 7700] +++ exited with 0 +++ ./strace-static-x86_64: Process 7702 attached [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7701 ./strace-static-x86_64: Process 7701 attached [pid 7702] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7691] <... mprotect resumed>) = 0 [pid 7690] <... clone3 resumed> => {parent_tid=[7702]}, 88) = 7702 [pid 7702] <... rseq resumed>) = 0 [pid 7699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7696] <... io_uring_register resumed>) = 0 [pid 7690] rt_sigprocmask(SIG_SETMASK, [], [pid 7702] set_robust_list(0x7f2f310d29a0, 24 [pid 7699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7702] <... set_robust_list resumed>) = 0 [pid 7696] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] rt_sigprocmask(SIG_SETMASK, [], [pid 7690] <... futex resumed>) = 0 [pid 7702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7690] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7702] ioctl(3, UFFDIO_REGISTER, NULL [pid 7696] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7703 attached [pid 7702] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7701] set_robust_list(0x555592b0f6a0, 24 [pid 7696] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7693] <... futex resumed>) = ? [pid 7691] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7702] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] <... set_robust_list resumed>) = 0 [pid 7699] <... clone3 resumed> => {parent_tid=[7703]}, 88) = 7703 [pid 7693] +++ exited with 0 +++ [pid 7691] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7688] +++ exited with 0 +++ [pid 7702] <... futex resumed>) = 1 [pid 7701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7699] rt_sigprocmask(SIG_SETMASK, [], [pid 7691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7690] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7704 attached [pid 7702] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] <... prctl resumed>) = 0 [pid 7699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7690] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7688, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7704] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7703] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7701] setpgid(0, 0 [pid 7699] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] <... futex resumed>) = 0 [pid 7690] <... futex resumed>) = 1 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7704] <... rseq resumed>) = 0 [pid 7703] <... rseq resumed>) = 0 [pid 7701] <... setpgid resumed>) = 0 [pid 7699] <... futex resumed>) = 0 [pid 7694] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7691] <... clone3 resumed> => {parent_tid=[7704]}, 88) = 7704 [pid 7703] set_robust_list(0x7f2f310f39a0, 24 [pid 7701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7691] rt_sigprocmask(SIG_SETMASK, [], [pid 7703] <... set_robust_list resumed>) = 0 [pid 7701] <... openat resumed>) = 3 [pid 7691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7703] rt_sigprocmask(SIG_SETMASK, [], [pid 7701] write(3, "1000", 4 [pid 7691] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7701] <... write resumed>) = 4 [pid 7691] <... futex resumed>) = 0 [pid 7704] set_robust_list(0x7f2f310d29a0, 24 [pid 7703] userfaultfd(UFFD_USER_MODE_ONLY [pid 7701] close(3 [pid 7699] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7691] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7690] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... restart_syscall resumed>) = 0 [pid 7704] <... set_robust_list resumed>) = 0 [pid 7703] <... userfaultfd resumed>) = 3 [pid 7701] <... close resumed>) = 0 [pid 7694] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 7704] rt_sigprocmask(SIG_SETMASK, [], [pid 7703] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] write(1, "executing program\n", 18 [pid 7694] <... futex resumed>) = 0 [pid 7690] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7703] <... futex resumed>) = 1 [pid 7701] <... write resumed>) = 18 [pid 7699] <... futex resumed>) = 0 [pid 7694] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7690] <... futex resumed>) = 0 [pid 7704] ioctl(3, UFFDIO_REGISTER, NULL [pid 7703] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7701] <... futex resumed>) = 0 [pid 7699] <... futex resumed>) = 0 [pid 7704] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7703] ioctl(3, UFFDIO_API, NULL [pid 7701] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7699] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7703] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7701] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7703] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7705 attached [pid 7704] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7703] <... futex resumed>) = 1 [pid 7701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7699] <... futex resumed>) = 0 [pid 7705] set_robust_list(0x555592b0f6a0, 24 [pid 7704] <... futex resumed>) = 1 [pid 7703] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7699] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7691] <... futex resumed>) = 0 [pid 7705] <... set_robust_list resumed>) = 0 [pid 7703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7701] <... mmap resumed>) = 0x7f2f310d3000 [pid 7699] <... futex resumed>) = 0 [pid 7691] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7703] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7701] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7699] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7691] <... futex resumed>) = 1 [pid 7705] <... prctl resumed>) = 0 [pid 7703] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7701] <... mprotect resumed>) = 0 [pid 7691] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7704] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] <... futex resumed>) = 0 [pid 7701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7696] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7705 [pid 7705] setpgid(0, 0 [pid 7701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7705] <... setpgid resumed>) = 0 [pid 7701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7696] <... ioctl resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7706 attached [pid 7705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7703] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7705] <... openat resumed>) = 3 [pid 7703] <... futex resumed>) = 1 [pid 7701] <... clone3 resumed> => {parent_tid=[7706]}, 88) = 7706 [pid 7699] <... futex resumed>) = 0 [pid 7696] <... futex resumed>) = 1 [pid 7691] <... futex resumed>) = 0 [pid 7706] <... rseq resumed>) = 0 [pid 7705] write(3, "1000", 4 [pid 7703] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] rt_sigprocmask(SIG_SETMASK, [], [pid 7699] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7696] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7691] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] set_robust_list(0x7f2f310f39a0, 24 [pid 7705] <... write resumed>) = 4 [pid 7703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7699] <... futex resumed>) = 0 [pid 7691] <... futex resumed>) = 0 [pid 7706] <... set_robust_list resumed>) = 0 [pid 7705] close(3 [pid 7703] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7701] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7694] <... madvise resumed>) = 0 [pid 7691] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7706] rt_sigprocmask(SIG_SETMASK, [], [pid 7705] <... close resumed>) = 0 [pid 7696] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7694] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7690] <... futex resumed>) = 0 [pid 7690] exit_group(0) = ? [pid 7694] +++ exited with 0 +++ [pid 7702] <... futex resumed>) = ? [pid 7706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7705] write(1, "executing program\n", 18 [pid 7706] userfaultfd(UFFD_USER_MODE_ONLY [pid 7705] <... write resumed>) = 18 [pid 7701] <... futex resumed>) = 0 [pid 7705] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7706] <... userfaultfd resumed>) = 3 [pid 7705] <... futex resumed>) = 0 [pid 7706] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7706] <... futex resumed>) = 1 [pid 7705] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7701] <... futex resumed>) = 0 [pid 7705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7701] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7701] <... futex resumed>) = 0 [pid 7705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7701] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7705] <... mmap resumed>) = 0x7f2f310d3000 [pid 7706] ioctl(3, UFFDIO_API, NULL [pid 7705] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7706] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7705] <... mprotect resumed>) = 0 [pid 7706] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7696] <... madvise resumed>) = 0 [pid 7706] <... futex resumed>) = 1 [pid 7705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7701] <... futex resumed>) = 0 [pid 7705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7701] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7705] <... clone3 resumed> => {parent_tid=[7707]}, 88) = 7707 [pid 7701] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7705] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7705] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7706] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7706] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] <... futex resumed>) = 0 [pid 7701] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7701] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7706] <... futex resumed>) = 1 [pid 7706] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282./strace-static-x86_64: Process 7707 attached [pid 7707] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053) = 0 [pid 7702] +++ exited with 0 +++ [pid 7690] +++ exited with 0 +++ [pid 7707] set_robust_list(0x7f2f310f39a0, 24 [pid 7696] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7690, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7691] <... futex resumed>) = 0 [pid 7707] <... set_robust_list resumed>) = 0 [pid 7696] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7707] rt_sigprocmask(SIG_SETMASK, [], [pid 7691] exit_group(0./strace-static-x86_64: Process 7708 attached [pid 7707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7704] <... futex resumed>) = ? [pid 7696] <... futex resumed>) = ? [pid 7691] <... exit_group resumed>) = ? [pid 7696] +++ exited with 0 +++ [pid 7704] +++ exited with 0 +++ [pid 7708] set_robust_list(0x555592b0f6a0, 24 [pid 7707] userfaultfd(UFFD_USER_MODE_ONLY [pid 7691] +++ exited with 0 +++ [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7708 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7691, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7707] <... userfaultfd resumed>) = 3 [pid 7708] <... set_robust_list resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7709 attached [pid 7708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7707] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7707] <... futex resumed>) = 1 [pid 7705] <... futex resumed>) = 0 [pid 7699] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7709 [pid 7708] <... prctl resumed>) = 0 [pid 7705] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... futex resumed>) = 0 [pid 7708] setpgid(0, 0 [pid 7707] ioctl(3, UFFDIO_API, NULL [pid 7699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7708] <... setpgid resumed>) = 0 [pid 7707] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7709] set_robust_list(0x555592b0f6a0, 24 [pid 7705] <... futex resumed>) = 0 [pid 7709] <... set_robust_list resumed>) = 0 [pid 7708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7707] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7707] <... futex resumed>) = 0 [pid 7705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7709] <... prctl resumed>) = 0 [pid 7707] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] setpgid(0, 0 [pid 7705] <... futex resumed>) = 0 [pid 7709] <... setpgid resumed>) = 0 [pid 7705] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7708] <... openat resumed>) = 3 [pid 7709] <... openat resumed>) = 3 [pid 7708] write(3, "1000", 4 [pid 7707] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7708] <... write resumed>) = 4 [pid 7709] write(3, "1000", 4) = 4 [pid 7709] close(3) = 0 [pid 7709] write(1, "executing program\n", 18) = 18 [pid 7709] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7709] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7707] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7709] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7708] close(3 [pid 7709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7708] <... close resumed>) = 0 [pid 7707] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7708] write(1, "executing program\n", 18 [pid 7707] <... futex resumed>) = 1 [pid 7705] <... futex resumed>) = 0 [pid 7701] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] <... mmap resumed>) = 0x7f2f310d3000 executing program [pid 7707] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] <... futex resumed>) = 0 [pid 7709] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7708] <... write resumed>) = 18 [pid 7701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7709] <... mprotect resumed>) = 0 [pid 7708] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7705] <... futex resumed>) = 0 [pid 7709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7708] <... futex resumed>) = 0 [pid 7707] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7705] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7708] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7701] <... mmap resumed>) = 0x7f2f310b2000 [pid 7701] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7701] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7710 attached => {parent_tid=[7710]}, 88) = 7710 ./strace-static-x86_64: Process 7711 attached [pid 7710] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7701] rt_sigprocmask(SIG_SETMASK, [], [pid 7710] <... rseq resumed>) = 0 [pid 7709] <... clone3 resumed> => {parent_tid=[7711]}, 88) = 7711 [pid 7701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7711] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7710] set_robust_list(0x7f2f310d29a0, 24 [pid 7709] rt_sigprocmask(SIG_SETMASK, [], [pid 7701] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... rseq resumed>) = 0 [pid 7710] <... set_robust_list resumed>) = 0 [pid 7709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7706] <... io_uring_register resumed>) = 0 [pid 7701] <... futex resumed>) = 0 [pid 7711] set_robust_list(0x7f2f310f39a0, 24 [pid 7710] rt_sigprocmask(SIG_SETMASK, [], [pid 7709] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] <... set_robust_list resumed>) = 0 [pid 7710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7709] <... futex resumed>) = 0 [pid 7706] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] rt_sigprocmask(SIG_SETMASK, [], [pid 7710] ioctl(3, UFFDIO_REGISTER, NULL [pid 7709] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7706] <... futex resumed>) = 0 [pid 7711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7710] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7706] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] userfaultfd(UFFD_USER_MODE_ONLY [pid 7710] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... userfaultfd resumed>) = 3 [pid 7710] <... futex resumed>) = 1 [pid 7701] <... futex resumed>) = 0 [pid 7711] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = 1 [pid 7709] <... futex resumed>) = 0 [pid 7706] <... futex resumed>) = 0 [pid 7701] <... futex resumed>) = 1 [pid 7711] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7709] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7701] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7709] <... futex resumed>) = 0 [pid 7706] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7711] ioctl(3, UFFDIO_API, NULL [pid 7709] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7706] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7706] <... futex resumed>) = 1 [pid 7701] <... futex resumed>) = 0 [pid 7711] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = 1 [pid 7709] <... futex resumed>) = 0 [pid 7708] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7701] <... futex resumed>) = 0 [pid 7711] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7709] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7706] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7701] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7709] <... futex resumed>) = 0 [pid 7708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7706] <... madvise resumed>) = 0 [pid 7711] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7709] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7711] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7709] <... futex resumed>) = 0 [pid 7711] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7709] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7709] <... futex resumed>) = 0 [pid 7706] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7709] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7701] <... futex resumed>) = 0 [pid 7708] <... mmap resumed>) = 0x7f2f310d3000 [pid 7706] <... futex resumed>) = 1 [pid 7701] exit_group(0 [pid 7710] <... futex resumed>) = ? [pid 7701] <... exit_group resumed>) = ? [pid 7710] +++ exited with 0 +++ [pid 7708] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7706] +++ exited with 0 +++ [pid 7701] +++ exited with 0 +++ [pid 7708] <... mprotect resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7701, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7708] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555592b0f690) = 7712 [pid 7699] <... mmap resumed>) = 0x7f2f310b2000 [pid 7708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7703] <... io_uring_register resumed>) = 0 [pid 7699] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7699] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7713 attached ./strace-static-x86_64: Process 7712 attached [], 8) = 0 [pid 7712] set_robust_list(0x555592b0f6a0, 24 [pid 7708] <... clone3 resumed> => {parent_tid=[7713]}, 88) = 7713 [pid 7699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7714 attached [pid 7712] <... set_robust_list resumed>) = 0 [pid 7708] rt_sigprocmask(SIG_SETMASK, [], [pid 7712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7699] <... clone3 resumed> => {parent_tid=[7714]}, 88) = 7714 [pid 7714] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7713] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7712] <... prctl resumed>) = 0 [pid 7708] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] rt_sigprocmask(SIG_SETMASK, [], [pid 7714] <... rseq resumed>) = 0 [pid 7713] <... rseq resumed>) = 0 [pid 7712] setpgid(0, 0 [pid 7699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7714] set_robust_list(0x7f2f310d29a0, 24 [pid 7713] set_robust_list(0x7f2f310f39a0, 24 [pid 7712] <... setpgid resumed>) = 0 [pid 7708] <... futex resumed>) = 0 [pid 7705] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7703] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7714] <... set_robust_list resumed>) = 0 [pid 7713] <... set_robust_list resumed>) = 0 [pid 7712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7708] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7705] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... futex resumed>) = 0 [pid 7714] rt_sigprocmask(SIG_SETMASK, [], [pid 7713] rt_sigprocmask(SIG_SETMASK, [], [pid 7712] <... openat resumed>) = 3 [pid 7705] <... futex resumed>) = 0 [pid 7703] <... futex resumed>) = 0 [pid 7699] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7712] write(3, "1000", 4 [pid 7705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7703] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7714] ioctl(3, UFFDIO_REGISTER, NULL [pid 7713] userfaultfd(UFFD_USER_MODE_ONLY [pid 7712] <... write resumed>) = 4 executing program [pid 7714] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7713] <... userfaultfd resumed>) = 3 [pid 7712] close(3 [pid 7714] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... close resumed>) = 0 [pid 7714] <... futex resumed>) = 1 [pid 7713] <... futex resumed>) = 1 [pid 7712] write(1, "executing program\n", 18 [pid 7708] <... futex resumed>) = 0 [pid 7699] <... futex resumed>) = 0 [pid 7713] ioctl(3, UFFDIO_API, NULL [pid 7712] <... write resumed>) = 18 [pid 7708] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7712] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... futex resumed>) = 1 [pid 7713] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... futex resumed>) = 0 [pid 7708] <... futex resumed>) = 0 [pid 7703] <... futex resumed>) = 0 [pid 7713] <... futex resumed>) = 0 [pid 7708] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7699] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7713] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7703] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7712] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7708] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7714] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7708] <... futex resumed>) = 1 [pid 7703] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7713] <... futex resumed>) = 0 [pid 7708] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7703] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7703] <... futex resumed>) = 1 [pid 7713] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7703] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7699] <... futex resumed>) = 0 [pid 7712] <... mmap resumed>) = 0x7f2f310d3000 [pid 7713] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7699] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] <... futex resumed>) = 1 [pid 7712] <... mprotect resumed>) = 0 [pid 7708] <... futex resumed>) = 0 [pid 7699] <... futex resumed>) = 1 [pid 7703] <... futex resumed>) = 0 [pid 7713] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7708] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7703] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7699] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7713] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7709] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] <... futex resumed>) = 0 [pid 7703] <... madvise resumed>) = 0 [pid 7712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7709] <... futex resumed>) = 0 [pid 7708] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7712] <... clone3 resumed> => {parent_tid=[7715]}, 88) = 7715 [pid 7712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7712] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7712] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7715 attached [pid 7705] <... mmap resumed>) = 0x7f2f310b2000 [pid 7715] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7705] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7703] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] <... rseq resumed>) = 0 [pid 7705] <... mprotect resumed>) = 0 [pid 7703] <... futex resumed>) = 1 [pid 7699] <... futex resumed>) = 0 [pid 7715] set_robust_list(0x7f2f310f39a0, 24 [pid 7705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7703] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7699] exit_group(0 [pid 7715] <... set_robust_list resumed>) = 0 [pid 7714] <... futex resumed>) = ? [pid 7705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7703] <... futex resumed>) = ? [pid 7699] <... exit_group resumed>) = ? [pid 7715] rt_sigprocmask(SIG_SETMASK, [], [pid 7714] +++ exited with 0 +++ [pid 7707] <... io_uring_register resumed>) = 0 [pid 7705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7703] +++ exited with 0 +++ ./strace-static-x86_64: Process 7716 attached [pid 7705] <... clone3 resumed> => {parent_tid=[7716]}, 88) = 7716 [pid 7705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7705] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7705] <... futex resumed>) = 0 [pid 7716] <... rseq resumed>) = 0 [pid 7705] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] set_robust_list(0x7f2f310d29a0, 24) = 0 [pid 7716] rt_sigprocmask(SIG_SETMASK, [], [pid 7715] userfaultfd(UFFD_USER_MODE_ONLY [pid 7716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7715] <... userfaultfd resumed>) = 3 [pid 7707] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] +++ exited with 0 +++ [pid 7715] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7707] <... futex resumed>) = 0 [pid 7715] <... futex resumed>) = 1 [pid 7707] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] <... futex resumed>) = 0 [pid 7712] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7699, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7715] <... futex resumed>) = 0 [pid 7712] <... futex resumed>) = 1 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7715] ioctl(3, UFFDIO_API, NULL [pid 7712] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7715] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7715] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] ioctl(3, UFFDIO_REGISTER, NULL [pid 7715] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7716] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7715] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7716] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7712] <... futex resumed>) = 0 [pid 7716] <... futex resumed>) = 1 [pid 7715] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7712] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7705] <... futex resumed>) = 0 [pid 7716] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7711] <... io_uring_register resumed>) = 0 [pid 7709] <... mmap resumed>) = 0x7f2f310b2000 [pid 7705] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7717 attached [pid 7715] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7707] <... futex resumed>) = 0 [pid 7705] <... futex resumed>) = 1 [pid 7717] set_robust_list(0x555592b0f6a0, 24 [pid 7715] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7711] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] <... mprotect resumed>) = 0 [pid 7707] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7705] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7717 [pid 7717] <... set_robust_list resumed>) = 0 [pid 7715] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7712] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = 0 [pid 7709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7707] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7712] <... futex resumed>) = 0 [pid 7711] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7707] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7712] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7707] <... futex resumed>) = 1 [pid 7705] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7718 attached [pid 7717] <... prctl resumed>) = 0 [pid 7707] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7709] <... clone3 resumed> => {parent_tid=[7718]}, 88) = 7718 [pid 7707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7705] <... futex resumed>) = 0 [pid 7718] <... rseq resumed>) = 0 [pid 7717] setpgid(0, 0 [pid 7709] rt_sigprocmask(SIG_SETMASK, [], [pid 7707] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7705] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7718] set_robust_list(0x7f2f310d29a0, 24 [pid 7717] <... setpgid resumed>) = 0 [pid 7709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7708] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7707] <... madvise resumed>) = 0 [pid 7709] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7708] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] <... futex resumed>) = 0 [pid 7709] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7718] <... set_robust_list resumed>) = 0 [pid 7718] rt_sigprocmask(SIG_SETMASK, [], [pid 7708] <... futex resumed>) = 0 [pid 7718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7718] ioctl(3, UFFDIO_REGISTER, NULL) = -1 EINVAL (Invalid argument) [pid 7718] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] <... openat resumed>) = 3 [pid 7718] <... futex resumed>) = 1 [pid 7709] <... futex resumed>) = 0 [pid 7709] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... futex resumed>) = 0 [pid 7709] <... futex resumed>) = 1 [pid 7711] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7709] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7711] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7711] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7709] <... futex resumed>) = 0 [pid 7711] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7709] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7711] <... madvise resumed>) = 0 [pid 7709] <... futex resumed>) = 0 [pid 7709] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7718] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7711] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7709] <... futex resumed>) = 0 [pid 7709] exit_group(0 [pid 7718] <... futex resumed>) = ? [pid 7709] <... exit_group resumed>) = ? [pid 7718] +++ exited with 0 +++ [pid 7711] <... futex resumed>) = ? [pid 7717] write(3, "1000", 4 [pid 7713] <... io_uring_register resumed>) = 0 [pid 7708] <... mmap resumed>) = 0x7f2f310b2000 [pid 7707] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] <... write resumed>) = 4 [pid 7708] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7707] <... futex resumed>) = 1 [pid 7705] <... futex resumed>) = 0 [pid 7717] close(3 [pid 7711] +++ exited with 0 +++ [pid 7709] +++ exited with 0 +++ [pid 7708] <... mprotect resumed>) = 0 [pid 7707] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7705] exit_group(0 [pid 7717] <... close resumed>) = 0 executing program [pid 7716] <... futex resumed>) = ? [pid 7713] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7707] <... futex resumed>) = ? [pid 7705] <... exit_group resumed>) = ? [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7709, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7717] write(1, "executing program\n", 18 [pid 7716] +++ exited with 0 +++ [pid 7713] <... futex resumed>) = 0 [pid 7708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7719 attached [pid 7713] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7708] <... clone3 resumed> => {parent_tid=[7719]}, 88) = 7719 [pid 7719] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7708] rt_sigprocmask(SIG_SETMASK, [], [pid 7719] <... rseq resumed>) = 0 [pid 7708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7719] set_robust_list(0x7f2f310d29a0, 24 [pid 7708] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] <... set_robust_list resumed>) = 0 [pid 7717] <... write resumed>) = 18 [pid 7708] <... futex resumed>) = 0 [pid 7707] +++ exited with 0 +++ [pid 7719] rt_sigprocmask(SIG_SETMASK, [], [pid 7717] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7708] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7705] +++ exited with 0 +++ [pid 7719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7717] <... futex resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7705, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7719] ioctl(3, UFFDIO_REGISTER, NULL [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7717] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7719] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7719] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7708] <... futex resumed>) = 0 [pid 7719] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7708] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7713] <... futex resumed>) = 0 [pid 7708] <... futex resumed>) = 1 [pid 7713] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7708] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] <... mmap resumed>) = 0x7f2f310d3000 [pid 7713] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7717] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7713] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] <... mprotect resumed>) = 0 [pid 7713] <... futex resumed>) = 1 [pid 7708] <... futex resumed>) = 0 [pid 7713] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7708] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7708] <... futex resumed>) = 0 [pid 7717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7713] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7708] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5835] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7720 attached [pid 7713] <... madvise resumed>) = 0 [pid 7712] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7717] <... clone3 resumed> => {parent_tid=[7720]}, 88) = 7720 [pid 7712] <... futex resumed>) = 0 [pid 7720] <... rseq resumed>) = 0 [pid 7717] rt_sigprocmask(SIG_SETMASK, [], [pid 7712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7721 attached [pid 7720] set_robust_list(0x7f2f310f39a0, 24 [pid 7717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7722 attached [pid 7721] set_robust_list(0x555592b0f6a0, 24 [pid 7720] <... set_robust_list resumed>) = 0 [pid 7717] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7721 [pid 7722] set_robust_list(0x555592b0f6a0, 24 [pid 7721] <... set_robust_list resumed>) = 0 [pid 7720] rt_sigprocmask(SIG_SETMASK, [], [pid 7713] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7722 [pid 7717] <... futex resumed>) = 0 [pid 7722] <... set_robust_list resumed>) = 0 [pid 7721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7717] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7713] <... futex resumed>) = 1 [pid 7708] <... futex resumed>) = 0 [pid 7722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7721] <... prctl resumed>) = 0 [pid 7720] userfaultfd(UFFD_USER_MODE_ONLY [pid 7713] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7708] exit_group(0 [pid 7722] <... prctl resumed>) = 0 [pid 7721] setpgid(0, 0 [pid 7720] <... userfaultfd resumed>) = 3 [pid 7719] <... futex resumed>) = ? [pid 7713] <... futex resumed>) = ? [pid 7708] <... exit_group resumed>) = ? [pid 7722] setpgid(0, 0 [pid 7721] <... setpgid resumed>) = 0 [pid 7720] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] +++ exited with 0 +++ [pid 7715] <... io_uring_register resumed>) = 0 [pid 7713] +++ exited with 0 +++ [pid 7712] <... mmap resumed>) = 0x7f2f310b2000 [pid 7708] +++ exited with 0 +++ [pid 7722] <... setpgid resumed>) = 0 [pid 7721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7720] <... futex resumed>) = 1 [pid 7717] <... futex resumed>) = 0 [pid 7715] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7721] <... openat resumed>) = 3 [pid 7720] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] <... futex resumed>) = 0 [pid 7712] <... mprotect resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7708, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7722] <... openat resumed>) = 3 [pid 7721] write(3, "1000", 4 [pid 7720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7717] <... futex resumed>) = 0 [pid 7715] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5831] restart_syscall(<... resuming interrupted clone ...>executing program executing program [pid 7721] <... write resumed>) = 4 [pid 7717] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 7722] write(3, "1000", 4 [pid 7721] close(3 [pid 7712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0} [pid 7722] <... write resumed>) = 4 [pid 7721] <... close resumed>) = 0 ./strace-static-x86_64: Process 7723 attached [pid 7722] close(3 [pid 7721] write(1, "executing program\n", 18 [pid 7720] ioctl(3, UFFDIO_API, NULL [pid 7712] <... clone3 resumed> => {parent_tid=[7723]}, 88) = 7723 [pid 7723] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7722] <... close resumed>) = 0 [pid 7721] <... write resumed>) = 18 [pid 7712] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7723] <... rseq resumed>) = 0 [pid 7722] write(1, "executing program\n", 18 [pid 7721] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7723] set_robust_list(0x7f2f310d29a0, 24 [pid 7722] <... write resumed>) = 18 [pid 7721] <... futex resumed>) = 0 [pid 7720] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7723] <... set_robust_list resumed>) = 0 [pid 7722] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7722] <... futex resumed>) = 0 [pid 7721] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7712] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7724 attached [pid 7723] ioctl(3, UFFDIO_REGISTER, NULL [pid 7722] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7720] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7724 [pid 7724] set_robust_list(0x555592b0f6a0, 24 [pid 7720] <... futex resumed>) = 1 [pid 7717] <... futex resumed>) = 0 [pid 7712] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7724] <... set_robust_list resumed>) = 0 [pid 7720] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7723] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7722] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7717] <... futex resumed>) = 0 [pid 7724] <... prctl resumed>) = 0 [pid 7723] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7724] setpgid(0, 0 [pid 7723] <... futex resumed>) = 1 [pid 7722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7721] <... mmap resumed>) = 0x7f2f310d3000 [pid 7720] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7717] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7712] <... futex resumed>) = 0 [pid 7723] futex(0x7f2f311c2338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7721] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7712] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] <... mmap resumed>) = 0x7f2f310d3000 [pid 7721] <... mprotect resumed>) = 0 [pid 7712] <... futex resumed>) = 1 [pid 7722] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7721] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7720] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7715] <... futex resumed>) = 0 [pid 7712] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] <... mprotect resumed>) = 0 [pid 7721] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7722] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7725 attached [pid 7724] <... setpgid resumed>) = 0 [pid 7722] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7720] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7720] <... futex resumed>) = 1 [pid 7717] <... futex resumed>) = 0 [pid 7715] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7715] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7721] <... clone3 resumed> => {parent_tid=[7725]}, 88) = 7725 [pid 7720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7717] <... futex resumed>) = 0 [pid 7715] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7724] <... openat resumed>) = 3 [pid 7721] rt_sigprocmask(SIG_SETMASK, [], [pid 7720] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7717] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7715] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7712] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7712] <... futex resumed>) = 0 [pid 7721] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7725] <... rseq resumed>) = 0 [pid 7721] <... futex resumed>) = 0 [pid 7725] set_robust_list(0x7f2f310f39a0, 24 [pid 7722] <... clone3 resumed> => {parent_tid=[7726]}, 88) = 7726 [pid 7721] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7725] <... set_robust_list resumed>) = 0 [pid 7722] rt_sigprocmask(SIG_SETMASK, [], [pid 7725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7725] userfaultfd(UFFD_USER_MODE_ONLY [pid 7722] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] <... userfaultfd resumed>) = 3 [pid 7725] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] <... futex resumed>) = 0 [pid 7725] <... futex resumed>) = 1 [pid 7722] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7721] <... futex resumed>) = 0 [pid 7725] ioctl(3, UFFDIO_API, NULL [pid 7721] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] <... madvise resumed>) = 0 [pid 7725] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7721] <... futex resumed>) = 0 [pid 7725] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7725] <... futex resumed>) = 0 [pid 7721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7725] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7726 attached [pid 7725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7721] <... futex resumed>) = 0 [pid 7725] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7721] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7726] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7725] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7724] write(3, "1000", 4 [pid 7726] <... rseq resumed>) = 0 [pid 7725] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] <... write resumed>) = 4 [pid 7715] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] set_robust_list(0x7f2f310f39a0, 24 [pid 7725] <... futex resumed>) = 1 [pid 7724] close(3 [pid 7721] <... futex resumed>) = 0 [pid 7715] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7726] <... set_robust_list resumed>) = 0 [pid 7725] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7724] <... close resumed>) = 0 [pid 7721] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7712] exit_group(0 [pid 7726] rt_sigprocmask(SIG_SETMASK, [], [pid 7721] <... futex resumed>) = 0 [pid 7712] <... exit_group resumed>) = ? [pid 7721] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7723] <... futex resumed>) = ? [pid 7723] +++ exited with 0 +++ [pid 7726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7724] write(1, "executing program\n", 18executing program [pid 7715] <... futex resumed>) = ? [pid 7726] userfaultfd(UFFD_USER_MODE_ONLY [pid 7724] <... write resumed>) = 18 [pid 7726] <... userfaultfd resumed>) = 3 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] +++ exited with 0 +++ [pid 7712] +++ exited with 0 +++ [pid 7726] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7712, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7726] <... futex resumed>) = 1 [pid 7724] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7726] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7724] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7724] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7722] <... futex resumed>) = 0 [pid 7720] <... io_uring_register resumed>) = 0 [pid 7717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7724] <... mmap resumed>) = 0x7f2f310d3000 [pid 7722] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7726] <... futex resumed>) = 0 [pid 7725] <... io_uring_register resumed>) = 0 [pid 7724] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7722] <... futex resumed>) = 1 [pid 7720] <... futex resumed>) = 0 [pid 7717] <... futex resumed>) = 0 [pid 7726] ioctl(3, UFFDIO_API, NULL [pid 7725] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] <... mprotect resumed>) = 0 [pid 7722] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7720] ioctl(3, UFFDIO_REGISTER, NULL [pid 7717] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7726] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7725] <... futex resumed>) = 1 [pid 7721] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7727 attached [pid 7726] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] ioctl(3, UFFDIO_REGISTER, NULL [pid 7724] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7721] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7726] <... futex resumed>) = 1 [pid 7725] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7724] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7722] <... futex resumed>) = 0 [pid 7721] <... futex resumed>) = 0 [pid 7720] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x555592b0f690) = 7727 [pid 7727] set_robust_list(0x555592b0f6a0, 24 [pid 7726] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7722] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7720] <... futex resumed>) = 1 [pid 7717] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7728 attached [pid 7727] <... set_robust_list resumed>) = 0 [pid 7726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7725] <... futex resumed>) = 0 [pid 7722] <... futex resumed>) = 0 [pid 7721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7720] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7726] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7725] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7724] <... clone3 resumed> => {parent_tid=[7728]}, 88) = 7728 [pid 7722] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7721] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7717] <... futex resumed>) = 0 [pid 7728] <... rseq resumed>) = 0 [pid 7727] <... prctl resumed>) = 0 [pid 7725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7724] rt_sigprocmask(SIG_SETMASK, [], [pid 7721] <... futex resumed>) = 0 [pid 7728] set_robust_list(0x7f2f310f39a0, 24 [pid 7727] setpgid(0, 0 [pid 7726] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7725] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7721] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7720] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7717] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] <... set_robust_list resumed>) = 0 [pid 7727] <... setpgid resumed>) = 0 [pid 7726] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7724] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7728] rt_sigprocmask(SIG_SETMASK, [], [pid 7724] <... futex resumed>) = 0 [pid 7728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7726] <... futex resumed>) = 1 [pid 7725] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] <... futex resumed>) = 0 [pid 7720] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] userfaultfd(UFFD_USER_MODE_ONLY [pid 7727] <... openat resumed>) = 3 [pid 7726] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] <... futex resumed>) = 1 [pid 7722] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] <... futex resumed>) = 0 [pid 7720] <... futex resumed>) = 1 [pid 7717] <... futex resumed>) = 0 [pid 7728] <... userfaultfd resumed>) = 3 [pid 7727] write(3, "1000", 4 [pid 7726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7725] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7722] <... futex resumed>) = 0 [pid 7721] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7717] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] <... write resumed>) = 4 [pid 7726] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7722] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7721] <... futex resumed>) = 0 [pid 7717] <... futex resumed>) = 0 [pid 7728] <... futex resumed>) = 1 [pid 7724] <... futex resumed>) = 0 [pid 7721] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7727] close(3 [pid 7725] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7724] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] <... close resumed>) = 0 [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7727] write(1, "executing program\n", 18 [pid 7728] ioctl(3, UFFDIO_API, NULL) = -1 EFAULT (Bad address) [pid 7728] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7728] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7725] <... madvise resumed>) = 0 [pid 7724] <... futex resumed>) = 0 executing program [pid 7720] <... madvise resumed>) = 0 [pid 7727] <... write resumed>) = 18 [pid 7725] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7720] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7724] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7728] <... futex resumed>) = 0 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7727] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7725] <... futex resumed>) = 1 [pid 7721] <... futex resumed>) = 0 [pid 7720] <... futex resumed>) = 1 [pid 7717] <... futex resumed>) = 0 [pid 7728] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7727] <... futex resumed>) = 0 [pid 7725] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] exit_group(0 [pid 7720] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] exit_group(0 [pid 7728] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7725] <... futex resumed>) = ? [pid 7721] <... exit_group resumed>) = ? [pid 7720] <... futex resumed>) = ? [pid 7717] <... exit_group resumed>) = ? [pid 7728] <... futex resumed>) = 1 [pid 7727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7725] +++ exited with 0 +++ [pid 7724] <... futex resumed>) = 0 [pid 7721] +++ exited with 0 +++ [pid 7720] +++ exited with 0 +++ [pid 7728] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7721, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7724] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7724] <... futex resumed>) = 0 [pid 7727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 7727] <... mmap resumed>) = 0x7f2f310d3000 [pid 7727] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7726] <... io_uring_register resumed>) = 0 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] +++ exited with 0 +++ [pid 5835] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7729 attached [pid 7726] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7717, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7729] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7727] <... clone3 resumed> => {parent_tid=[7729]}, 88) = 7729 [pid 7726] <... futex resumed>) = 1 [pid 7722] <... futex resumed>) = 0 [pid 7729] <... rseq resumed>) = 0 [pid 7727] rt_sigprocmask(SIG_SETMASK, [], [pid 7726] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7722] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] set_robust_list(0x7f2f310f39a0, 24 [pid 7727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7722] <... futex resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7730 attached [pid 7729] <... set_robust_list resumed>) = 0 [pid 7727] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] ioctl(3, UFFDIO_REGISTER, NULL [pid 7722] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7729] rt_sigprocmask(SIG_SETMASK, [], [pid 7727] <... futex resumed>) = 0 [pid 7726] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7730] set_robust_list(0x555592b0f6a0, 24./strace-static-x86_64: Process 7731 attached [pid 7729] userfaultfd(UFFD_USER_MODE_ONLY [pid 7730] <... set_robust_list resumed>) = 0 [pid 7728] <... io_uring_register resumed>) = 0 [pid 7727] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7726] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... clone resumed>, child_tidptr=0x555592b0f690) = 7730 [pid 7731] set_robust_list(0x555592b0f6a0, 24 [pid 7730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7729] <... userfaultfd resumed>) = 3 [pid 7728] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] <... futex resumed>) = 1 [pid 7722] <... futex resumed>) = 0 [pid 7731] <... set_robust_list resumed>) = 0 [pid 7730] <... prctl resumed>) = 0 [pid 7729] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... futex resumed>) = 1 [pid 7726] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7724] <... futex resumed>) = 0 [pid 7722] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7730] setpgid(0, 0 [pid 7729] <... futex resumed>) = 1 [pid 7728] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7727] <... futex resumed>) = 0 [pid 7726] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7724] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] <... futex resumed>) = 0 [pid 7731] <... prctl resumed>) = 0 [pid 7730] <... setpgid resumed>) = 0 [pid 7729] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7727] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] <... futex resumed>) = 0 [pid 7722] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... clone resumed>, child_tidptr=0x555592b0f690) = 7731 [pid 7731] setpgid(0, 0 [pid 7730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7728] ioctl(3, UFFDIO_REGISTER, NULL [pid 7727] <... futex resumed>) = 0 [pid 7726] <... futex resumed>) = 0 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7727] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7726] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7722] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7722] <... futex resumed>) = 0 [pid 7726] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7722] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7726] <... madvise resumed>) = 0 executing program [pid 7726] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] <... setpgid resumed>) = 0 [pid 7730] <... openat resumed>) = 3 [pid 7729] ioctl(3, UFFDIO_API, NULL [pid 7728] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7730] write(3, "1000", 4 [pid 7728] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] <... write resumed>) = 4 [pid 7729] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7730] close(3 [pid 7728] <... futex resumed>) = 1 [pid 7724] <... futex resumed>) = 0 [pid 7730] <... close resumed>) = 0 [pid 7730] write(1, "executing program\n", 18 [pid 7728] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7724] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7724] <... futex resumed>) = 0 [pid 7730] <... write resumed>) = 18 [pid 7731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7730] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7729] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7730] <... futex resumed>) = 0 [pid 7729] <... futex resumed>) = 1 [pid 7728] <... futex resumed>) = 0 [pid 7724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7730] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7728] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7730] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7729] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7724] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] <... openat resumed>) = 3 [pid 7730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7728] madvise(0x20000000, 6291456, MADV_DONTNEED_LOCKED [pid 7724] <... futex resumed>) = 0 [pid 7731] write(3, "1000", 4 [pid 7730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7724] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7727] <... futex resumed>) = 0 [pid 7726] <... futex resumed>) = 1 [pid 7722] <... futex resumed>) = 0 [pid 7727] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7726] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7722] exit_group(0 [pid 7731] <... write resumed>) = 4 [pid 7730] <... mmap resumed>) = 0x7f2f310d3000 [pid 7729] <... futex resumed>) = 0 [pid 7727] <... futex resumed>) = 1 [pid 7726] <... futex resumed>) = ? [pid 7722] <... exit_group resumed>) = ? [pid 7731] close(3 [pid 7730] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7729] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7727] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7726] +++ exited with 0 +++ [pid 7722] +++ exited with 0 +++ [pid 7731] <... close resumed>) = 0 [pid 7730] <... mprotect resumed>) = 0 [pid 7728] <... madvise resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7729] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 executing program [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 7731] write(1, "executing program\n", 18 [pid 7730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7729] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7728] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] <... write resumed>) = 18 [pid 7730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7729] <... futex resumed>) = 1 [pid 7728] <... futex resumed>) = 1 [pid 7727] <... futex resumed>) = 0 [pid 7724] <... futex resumed>) = 0 [pid 7731] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7729] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7728] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7727] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7724] exit_group(0./strace-static-x86_64: Process 7732 attached [pid 7731] <... futex resumed>) = 0 [pid 7729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7728] <... futex resumed>) = ? [pid 7727] <... futex resumed>) = 0 [pid 7724] <... exit_group resumed>) = ? [pid 7732] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7731] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7730] <... clone3 resumed> => {parent_tid=[7732]}, 88) = 7732 [pid 7729] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7727] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7728] +++ exited with 0 +++ [pid 7732] <... rseq resumed>) = 0 [pid 7731] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7730] rt_sigprocmask(SIG_SETMASK, [], [pid 7724] +++ exited with 0 +++ [pid 7730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7732] set_robust_list(0x7f2f310f39a0, 24 [pid 7731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7730] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7724, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7732] <... set_robust_list resumed>) = 0 [pid 7731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7730] <... futex resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 7732] rt_sigprocmask(SIG_SETMASK, [], [pid 7731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7730] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7731] <... mmap resumed>) = 0x7f2f310d3000 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7733 attached [pid 7732] userfaultfd(UFFD_USER_MODE_ONLY [pid 7731] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 5831] <... restart_syscall resumed>) = 0 [pid 7732] <... userfaultfd resumed>) = 3 [pid 7732] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7732] <... futex resumed>) = 1 [pid 7731] <... mprotect resumed>) = 0 [pid 7730] <... futex resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555592b0f690) = 7733 [pid 7732] ioctl(3, UFFDIO_API, NULL [pid 7730] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7732] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7733] set_robust_list(0x555592b0f6a0, 24 [pid 7732] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] <... futex resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555592b0f690) = 7734 [pid 7731] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7733] <... set_robust_list resumed>) = 0 [pid 7732] <... futex resumed>) = 0 [pid 7730] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7732] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7734 attached [pid 7733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7730] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7735 attached [pid 7734] set_robust_list(0x555592b0f6a0, 24 [pid 7733] <... prctl resumed>) = 0 [pid 7732] <... futex resumed>) = 0 [pid 7730] <... futex resumed>) = 1 [pid 7735] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7734] <... set_robust_list resumed>) = 0 [pid 7733] setpgid(0, 0 [pid 7732] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7731] <... clone3 resumed> => {parent_tid=[7735]}, 88) = 7735 [pid 7730] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7735] <... rseq resumed>) = 0 [pid 7734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7731] rt_sigprocmask(SIG_SETMASK, [], [pid 7734] <... prctl resumed>) = 0 [pid 7733] <... setpgid resumed>) = 0 [pid 7732] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7735] set_robust_list(0x7f2f310f39a0, 24 [pid 7734] setpgid(0, 0 [pid 7735] <... set_robust_list resumed>) = 0 [pid 7734] <... setpgid resumed>) = 0 [pid 7733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7731] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] rt_sigprocmask(SIG_SETMASK, [], [pid 7734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7733] <... openat resumed>) = 3 [pid 7732] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] <... futex resumed>) = 0 [pid 7735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7734] <... openat resumed>) = 3 [pid 7732] <... futex resumed>) = 1 [pid 7731] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7730] <... futex resumed>) = 0 [pid 7735] userfaultfd(UFFD_USER_MODE_ONLY [pid 7733] write(3, "1000", 4 [pid 7732] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7730] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] <... userfaultfd resumed>) = 3 [pid 7733] <... write resumed>) = 4 executing program [pid 7734] write(3, "1000", 4) = 4 [pid 7734] close(3) = 0 [pid 7734] write(1, "executing program\n", 18) = 18 [pid 7734] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7734] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, NULL, 8) = 0 [pid 7734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2f310d3000 [pid 7734] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7734] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0}./strace-static-x86_64: Process 7736 attached => {parent_tid=[7736]}, 88) = 7736 [pid 7734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7736] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7734] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7736] <... rseq resumed>) = 0 [pid 7734] <... futex resumed>) = 0 [pid 7736] set_robust_list(0x7f2f310f39a0, 24 [pid 7734] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7736] <... set_robust_list resumed>) = 0 [pid 7736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7736] userfaultfd(UFFD_USER_MODE_ONLY) = 3 [pid 7735] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] close(3 [pid 7730] <... futex resumed>) = 0 [pid 7736] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] <... futex resumed>) = 1 [pid 7733] <... close resumed>) = 0 [pid 7731] <... futex resumed>) = 0 [pid 7730] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7736] <... futex resumed>) = 1 [pid 7735] ioctl(3, UFFDIO_API, NULL [pid 7734] <... futex resumed>) = 0 [pid 7733] write(1, "executing program\n", 18 [pid 7731] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7736] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7734] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] <... futex resumed>) = 0 [pid 7736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7735] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7734] <... futex resumed>) = 0 [pid 7733] <... write resumed>) = 18 [pid 7731] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7736] ioctl(3, UFFDIO_API, NULL [pid 7735] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7733] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7736] <... ioctl resumed>) = -1 EFAULT (Bad address) [pid 7735] <... futex resumed>) = 0 [pid 7733] <... futex resumed>) = 0 [pid 7731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7736] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7733] rt_sigaction(SIGRT_1, {sa_handler=0x7f2f3115e3d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2f3114fa50}, [pid 7731] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7736] <... futex resumed>) = 1 [pid 7735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7734] <... futex resumed>) = 0 [pid 7733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7731] <... futex resumed>) = 0 [pid 7727] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7736] futex(0x7f2f311c2328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7735] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1 [pid 7734] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7731] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7727] <... futex resumed>) = 0 [pid 7735] <... io_uring_setup resumed>, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7734] <... futex resumed>) = 0 [pid 7734] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7736] io_uring_setup(16047, {flags=0x1000 /* IORING_SETUP_??? */, sq_thread_cpu=0, sq_thread_idle=1, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0xe000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=524352}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 4 [pid 7736] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7734] <... futex resumed>) = 0 [pid 7734] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7734] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7736] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7727] <... mmap resumed>) = 0x7f2f310b2000 [pid 7733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7735] futex(0x7f2f311c232c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7733] <... mmap resumed>) = 0x7f2f310d3000 [pid 7731] <... futex resumed>) = 0 [pid 7727] mprotect(0x7f2f310b3000, 131072, PROT_READ|PROT_WRITE [pid 7735] io_uring_register(4, IORING_REGISTER_BUFFERS, [{iov_base=0x20001700, iov_len=4456448}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, ...], 282 [pid 7733] mprotect(0x7f2f310d4000, 131072, PROT_READ|PROT_WRITE [pid 7731] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] <... mprotect resumed>) = 0 [pid 7733] <... mprotect resumed>) = 0 [pid 7731] <... futex resumed>) = 0 [pid 7727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310d2990, parent_tid=0x7f2f310d2990, exit_signal=0, stack=0x7f2f310b2000, stack_size=0x20300, tls=0x7f2f310d26c0}./strace-static-x86_64: Process 7737 attached [pid 7731] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7727] <... clone3 resumed> => {parent_tid=[7737]}, 88) = 7737 [pid 7737] rseq(0x7f2f310d2fe0, 0x20, 0, 0x53053053 [pid 7733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2f310f3990, parent_tid=0x7f2f310f3990, exit_signal=0, stack=0x7f2f310d3000, stack_size=0x20300, tls=0x7f2f310f36c0} [pid 7737] <... rseq resumed>) = 0 [pid 7727] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] set_robust_list(0x7f2f310d29a0, 24 [pid 7727] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7738 attached [pid 7738] rseq(0x7f2f310f3fe0, 0x20, 0, 0x53053053 [pid 7737] <... set_robust_list resumed>) = 0 [pid 7733] <... clone3 resumed> => {parent_tid=[7738]}, 88) = 7738 [pid 7727] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7738] <... rseq resumed>) = 0 [pid 7737] rt_sigprocmask(SIG_SETMASK, [], [pid 7733] rt_sigprocmask(SIG_SETMASK, [], [pid 7737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7738] set_robust_list(0x7f2f310f39a0, 24 [pid 7737] ioctl(3, UFFDIO_REGISTER, NULL [pid 7733] futex(0x7f2f311c2328, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7738] <... set_robust_list resumed>) = 0 [pid 7737] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] <... futex resumed>) = 0 [pid 7737] <... futex resumed>) = 1 [pid 7727] <... futex resumed>) = 0 [pid 7738] rt_sigprocmask(SIG_SETMASK, [], [pid 7733] futex(0x7f2f311c232c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7727] futex(0x7f2f311c2338, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x5, 0x28), 0 [pid 7727] <... futex resumed>) = 0 [pid 7737] <... ioctl resumed>) = -1 EINVAL (Invalid argument) [pid 7727] futex(0x7f2f311c233c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7737] futex(0x7f2f311c233c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7738] userfaultfd(UFFD_USER_MODE_ONLY [pid 7737] <... futex resumed>) = 0 [ 95.608549][ T7729] ================================================================== [ 95.616652][ T7729] BUG: KASAN: slab-use-after-free in __pv_queued_spin_lock_slowpath+0x90b/0xdb0 [ 95.625783][ T7729] Write of size 1 at addr ffff8880217537e1 by task syz-executor118/7729 [ 95.634108][ T7729] [ 95.636440][ T7729] CPU: 1 UID: 0 PID: 7729 Comm: syz-executor118 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 [ 95.647017][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 95.657070][ T7729] Call Trace: [ 95.660342][ T7729] [ 95.663266][ T7729] dump_stack_lvl+0x241/0x360 [ 95.667947][ T7729] ? __pfx_dump_stack_lvl+0x10/0x10 [ 95.673161][ T7729] ? __pfx__printk+0x10/0x10 [ 95.677764][ T7729] ? _printk+0xd5/0x120 [ 95.681917][ T7729] ? __virt_addr_valid+0x183/0x530 [ 95.687023][ T7729] ? __virt_addr_valid+0x183/0x530 [ 95.692152][ T7729] print_report+0x169/0x550 [ 95.696652][ T7729] ? __virt_addr_valid+0x183/0x530 [ 95.701755][ T7729] ? __virt_addr_valid+0x183/0x530 [ 95.706857][ T7729] ? __virt_addr_valid+0x45f/0x530 [ 95.711976][ T7729] ? __phys_addr+0xba/0x170 [ 95.716490][ T7729] ? __pv_queued_spin_lock_slowpath+0x90b/0xdb0 [ 95.722832][ T7729] kasan_report+0x143/0x180 [ 95.727338][ T7729] ? __pv_queued_spin_lock_slowpath+0x90b/0xdb0 [ 95.733575][ T7729] __pv_queued_spin_lock_slowpath+0x90b/0xdb0 [ 95.739638][ T7729] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 95.746236][ T7729] queued_spin_lock_slowpath+0x42/0x50 [ 95.751699][ T7729] do_raw_spin_lock+0x272/0x370 [ 95.756546][ T7729] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 95.761914][ T7729] __pte_offset_map_lock+0x1ba/0x300 [ 95.767195][ T7729] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 95.773100][ T7729] handle_pte_fault+0x2475/0x5ee0 [ 95.778122][ T7729] ? __pfx_handle_pte_fault+0x10/0x10 [ 95.784371][ T7729] ? __lock_acquire+0x1397/0x2100 [ 95.790235][ T7729] ? mt_find+0x2a9/0x920 [ 95.794485][ T7729] ? __pfx_lock_release+0x10/0x10 [ 95.799509][ T7729] handle_mm_fault+0x1106/0x1bb0 [ 95.804446][ T7729] ? mt_find+0x2a9/0x920 [ 95.808696][ T7729] ? __pfx_handle_mm_fault+0x10/0x10 [ 95.813978][ T7729] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 95.820295][ T7729] ? io_sqe_buffer_register+0x1a4f/0x1f70 [ 95.826020][ T7729] ? lock_mm_and_find_vma+0x9c/0x2f0 [ 95.831307][ T7729] exc_page_fault+0x2b9/0x8b0 [ 95.835977][ T7729] asm_exc_page_fault+0x26/0x30 [ 95.840828][ T7729] RIP: 0010:iovec_from_user+0xfb/0x240 [ 95.846284][ T7729] Code: 2d dd fc 4c 39 e3 0f 82 0d 01 00 00 48 39 eb 0f 87 04 01 00 00 4c 89 74 24 08 0f 01 cb 0f ae e8 49 ff cd 4c 89 fb 4c 89 3c 24 <49> 8b 6c 24 08 4d 8b 34 24 31 ff 48 89 ee e8 02 30 dd fc 48 85 ed [ 95.865888][ T7729] RSP: 0018:ffffc900061b78b8 EFLAGS: 00050247 [ 95.871951][ T7729] RAX: 0000000000000000 RBX: ffffc900061b79c0 RCX: ffff8880299b8000 [ 95.879917][ T7729] RDX: 0000000000000000 RSI: 00000000200002d0 RDI: 00000000200002e0 [ 95.887880][ T7729] RBP: 00007ffffffff000 R08: ffffffff84c230c4 R09: 1ffff110170e8940 [ 95.895846][ T7729] R10: dffffc0000000000 R11: ffffed10170e8941 R12: 00000000200002d0 [ 95.903808][ T7729] R13: 0000000000000000 R14: ffffc900061b79c0 R15: ffffc900061b79c0 [ 95.911774][ T7729] ? iovec_from_user+0xd4/0x240 [ 95.916626][ T7729] ? iovec_from_user+0xd4/0x240 [ 95.921471][ T7729] io_sqe_buffers_register+0x29b/0x820 [ 95.926934][ T7729] ? __pfx_io_sqe_buffers_register+0x10/0x10 [ 95.932908][ T7729] ? __fget_files+0x395/0x410 [ 95.937577][ T7729] ? __fget_files+0x2a/0x410 [ 95.942160][ T7729] __se_sys_io_uring_register+0xd1f/0x3b60 [ 95.947959][ T7729] ? __lock_acquire+0x1397/0x2100 [ 95.952981][ T7729] ? __pfx___se_sys_io_uring_register+0x10/0x10 [ 95.959218][ T7729] ? do_raw_spin_lock+0x14f/0x370 [ 95.964247][ T7729] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 95.970221][ T7729] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 95.976545][ T7729] ? _raw_spin_unlock_irq+0x23/0x50 [ 95.981734][ T7729] ? lockdep_hardirqs_on+0x99/0x150 [ 95.986926][ T7729] ? _raw_spin_unlock_irq+0x2e/0x50 [ 95.992210][ T7729] ? ptrace_notify+0x279/0x380 [ 95.997000][ T7729] ? __pfx_ptrace_notify+0x10/0x10 [ 96.002123][ T7729] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.008449][ T7729] ? do_syscall_64+0x100/0x230 [ 96.013217][ T7729] do_syscall_64+0xf3/0x230 [ 96.017716][ T7729] ? clear_bhb_loop+0x35/0x90 [ 96.022393][ T7729] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.028294][ T7729] RIP: 0033:0x7f2f31138499 [ 96.032782][ T7729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 96.054233][ T7729] RSP: 002b:00007f2f310f3238 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab [ 96.063451][ T7729] RAX: ffffffffffffffda RBX: 00007f2f311c2328 RCX: 00007f2f31138499 [ 96.072461][ T7729] RDX: 00000000200002c0 RSI: 0000000000000000 RDI: 0000000000000004 [ 96.080795][ T7729] RBP: 00007f2f311c2320 R08: 00007f2f310f36c0 R09: 00007f2f310f36c0 [ 96.088948][ T7729] R10: 100000000000011a R11: 0000000000000246 R12: 00007f2f3118f074 [ 96.097280][ T7729] R13: 0000000000000000 R14: 00007ffd2bc61490 R15: 00007ffd2bc61578 [ 96.105260][ T7729] [ 96.108273][ T7729] [ 96.110585][ T7729] Allocated by task 7729: [ 96.114898][ T7729] kasan_save_track+0x3f/0x80 [ 96.119574][ T7729] __kasan_slab_alloc+0x66/0x80 [ 96.124413][ T7729] kmem_cache_alloc_noprof+0x1d9/0x380 [ 96.130038][ T7729] ptlock_alloc+0x20/0x70 [ 96.134364][ T7729] pte_alloc_one+0xd3/0x510 [ 96.138857][ T7729] __pte_alloc+0x79/0x3c0 [ 96.143176][ T7729] handle_pte_fault+0x4d4b/0x5ee0 [ 96.148191][ T7729] handle_mm_fault+0x1106/0x1bb0 [ 96.153121][ T7729] exc_page_fault+0x459/0x8b0 [ 96.157787][ T7729] asm_exc_page_fault+0x26/0x30 [ 96.162627][ T7729] [ 96.164937][ T7729] Freed by task 7737: [ 96.168899][ T7729] kasan_save_track+0x3f/0x80 [ 96.173560][ T7729] kasan_save_free_info+0x40/0x50 [ 96.178575][ T7729] __kasan_slab_free+0x59/0x70 [ 96.183346][ T7729] kmem_cache_free+0x195/0x410 [ 96.188100][ T7729] ___pte_free_tlb+0x2b/0x140 [ 96.192789][ T7729] free_pte+0x142/0x190 [ 96.196933][ T7729] unmap_page_range+0x4062/0x48d0 [ 96.201949][ T7729] zap_page_range_single+0x45c/0x630 [ 96.207222][ T7729] do_madvise+0x2774/0x4d90 [ 96.211716][ T7729] __x64_sys_madvise+0xa6/0xc0 [ 96.216519][ T7729] do_syscall_64+0xf3/0x230 [ 96.221013][ T7729] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.226899][ T7729] [ 96.229212][ T7729] The buggy address belongs to the object at ffff8880217537e0 [ 96.229212][ T7729] which belongs to the cache page->ptl of size 64 [ 96.243164][ T7729] The buggy address is located 1 bytes inside of [ 96.243164][ T7729] freed 64-byte region [ffff8880217537e0, ffff888021753820) [ 96.256710][ T7729] [ 96.259019][ T7729] The buggy address belongs to the physical page: [ 96.265428][ T7729] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x21753 [ 96.274177][ T7729] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 96.281276][ T7729] page_type: f5(slab) [ 96.285251][ T7729] raw: 00fff00000000000 ffff88801ac4f780 dead000000000122 0000000000000000 [ 96.293824][ T7729] raw: 0000000000000000 00000000802a002a 00000000f5000000 0000000000000000 [ 96.302387][ T7729] page dumped because: kasan: bad access detected [ 96.308790][ T7729] page_owner tracks the page as allocated [ 96.314486][ T7729] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 7715, tgid 7712 (syz-executor118), ts 95191009844, free_ts 95160413156 [ 96.334007][ T7729] post_alloc_hook+0x1f4/0x240 [ 96.338770][ T7729] get_page_from_freelist+0x365c/0x37a0 [ 96.344301][ T7729] __alloc_frozen_pages_noprof+0x292/0x710 [ 96.350093][ T7729] alloc_pages_mpol+0x30e/0x550 [ 96.354931][ T7729] allocate_slab+0x8f/0x3a0 [ 96.359419][ T7729] ___slab_alloc+0xc27/0x14a0 [ 96.364082][ T7729] __slab_alloc+0x58/0xa0 [ 96.368400][ T7729] kmem_cache_alloc_noprof+0x268/0x380 [ 96.373848][ T7729] ptlock_alloc+0x20/0x70 [ 96.378169][ T7729] pte_alloc_one+0xd3/0x510 [ 96.382660][ T7729] __pte_alloc+0x79/0x3c0 [ 96.386993][ T7729] handle_pte_fault+0x4d4b/0x5ee0 [ 96.392020][ T7729] handle_mm_fault+0x1106/0x1bb0 [ 96.396954][ T7729] exc_page_fault+0x459/0x8b0 [ 96.401625][ T7729] asm_exc_page_fault+0x26/0x30 [ 96.406472][ T7729] page last free pid 61 tgid 61 stack trace: [ 96.412436][ T7729] free_frozen_pages+0xe0d/0x10e0 [ 96.417456][ T7729] __folio_put+0x2b3/0x360 [ 96.422297][ T7729] unpin_user_page+0xe0/0x1e0 [ 96.426966][ T7729] io_buffer_unmap+0xdc/0x280 [ 96.431634][ T7729] io_free_rsrc_node+0x162/0x1e0 [ 96.436567][ T7729] io_rsrc_data_free+0xfd/0x210 [ 96.441404][ T7729] io_sqe_buffers_unregister+0x6b/0x90 [ 96.446854][ T7729] io_ring_ctx_free+0x40/0xe40 [ 96.451636][ T7729] io_ring_exit_work+0x80f/0x8a0 [ 96.456560][ T7729] process_scheduled_works+0xa66/0x1840 [ 96.462095][ T7729] worker_thread+0x870/0xd30 [ 96.466757][ T7729] kthread+0x2f0/0x390 [ 96.470812][ T7729] ret_from_fork+0x4b/0x80 [ 96.475213][ T7729] ret_from_fork_asm+0x1a/0x30 [ 96.479967][ T7729] [ 96.482277][ T7729] Memory state around the buggy address: [ 96.488076][ T7729] ffff888021753680: fb fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb [ 96.496134][ T7729] ffff888021753700: fc fc fc fc fa fb fb fb fb fb fb fb fc fc fc fc [ 96.504179][ T7729] >ffff888021753780: 00 00 00 00 00 00 00 00 fc fc fc fc fa fb fb fb [ 96.512220][ T7729] ^ [ 96.519505][ T7729] ffff888021753800: fb fb fb fb fc fc fc fc 00 00 00 00 00 00 00 00 [ 96.527569][ T7729] ffff888021753880: fc fc fc fc 00 00 00 00 00 00 00 00 fc fc fc fc [ 96.535642][ T7729] ================================================================== [ 96.543878][ T7729] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 96.551083][ T7729] CPU: 1 UID: 0 PID: 7729 Comm: syz-executor118 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 [ 96.561675][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 96.571725][ T7729] Call Trace: [ 96.575004][ T7729] [ 96.577929][ T7729] dump_stack_lvl+0x241/0x360 [ 96.582606][ T7729] ? __pfx_dump_stack_lvl+0x10/0x10 [ 96.587801][ T7729] ? __pfx__printk+0x10/0x10 [ 96.592408][ T7729] ? lock_release+0xbf/0xa30 [ 96.596993][ T7729] ? vscnprintf+0x5d/0x90 [ 96.601316][ T7729] panic+0x349/0x880 [ 96.605224][ T7729] ? check_panic_on_warn+0x21/0xb0 [ 96.610348][ T7729] ? __pfx_panic+0x10/0x10 [ 96.614771][ T7729] ? mark_lock+0x9a/0x360 [ 96.619097][ T7729] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 96.624998][ T7729] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 96.630889][ T7729] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 96.637218][ T7729] ? print_report+0x502/0x550 [ 96.641889][ T7729] check_panic_on_warn+0x86/0xb0 [ 96.646819][ T7729] ? __pv_queued_spin_lock_slowpath+0x90b/0xdb0 [ 96.653050][ T7729] end_report+0x77/0x160 [ 96.657283][ T7729] kasan_report+0x154/0x180 [ 96.661774][ T7729] ? __pv_queued_spin_lock_slowpath+0x90b/0xdb0 [ 96.668005][ T7729] __pv_queued_spin_lock_slowpath+0x90b/0xdb0 [ 96.674072][ T7729] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 96.680652][ T7729] queued_spin_lock_slowpath+0x42/0x50 [ 96.686104][ T7729] do_raw_spin_lock+0x272/0x370 [ 96.690946][ T7729] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 96.696316][ T7729] __pte_offset_map_lock+0x1ba/0x300 [ 96.701596][ T7729] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 96.707398][ T7729] handle_pte_fault+0x2475/0x5ee0 [ 96.712416][ T7729] ? __pfx_handle_pte_fault+0x10/0x10 [ 96.717774][ T7729] ? __lock_acquire+0x1397/0x2100 [ 96.722793][ T7729] ? mt_find+0x2a9/0x920 [ 96.727029][ T7729] ? __pfx_lock_release+0x10/0x10 [ 96.732045][ T7729] handle_mm_fault+0x1106/0x1bb0 [ 96.736974][ T7729] ? mt_find+0x2a9/0x920 [ 96.741216][ T7729] ? __pfx_handle_mm_fault+0x10/0x10 [ 96.746500][ T7729] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.752814][ T7729] ? io_sqe_buffer_register+0x1a4f/0x1f70 [ 96.758524][ T7729] ? lock_mm_and_find_vma+0x9c/0x2f0 [ 96.763804][ T7729] exc_page_fault+0x2b9/0x8b0 [ 96.768481][ T7729] asm_exc_page_fault+0x26/0x30 [ 96.773322][ T7729] RIP: 0010:iovec_from_user+0xfb/0x240 [ 96.778774][ T7729] Code: 2d dd fc 4c 39 e3 0f 82 0d 01 00 00 48 39 eb 0f 87 04 01 00 00 4c 89 74 24 08 0f 01 cb 0f ae e8 49 ff cd 4c 89 fb 4c 89 3c 24 <49> 8b 6c 24 08 4d 8b 34 24 31 ff 48 89 ee e8 02 30 dd fc 48 85 ed [ 96.798367][ T7729] RSP: 0018:ffffc900061b78b8 EFLAGS: 00050247 [ 96.804421][ T7729] RAX: 0000000000000000 RBX: ffffc900061b79c0 RCX: ffff8880299b8000 [ 96.812386][ T7729] RDX: 0000000000000000 RSI: 00000000200002d0 RDI: 00000000200002e0 [ 96.820344][ T7729] RBP: 00007ffffffff000 R08: ffffffff84c230c4 R09: 1ffff110170e8940 [ 96.828304][ T7729] R10: dffffc0000000000 R11: ffffed10170e8941 R12: 00000000200002d0 [ 96.836269][ T7729] R13: 0000000000000000 R14: ffffc900061b79c0 R15: ffffc900061b79c0 [ 96.844235][ T7729] ? iovec_from_user+0xd4/0x240 [ 96.849088][ T7729] ? iovec_from_user+0xd4/0x240 [ 96.853930][ T7729] io_sqe_buffers_register+0x29b/0x820 [ 96.859385][ T7729] ? __pfx_io_sqe_buffers_register+0x10/0x10 [ 96.865361][ T7729] ? __fget_files+0x395/0x410 [ 96.870047][ T7729] ? __fget_files+0x2a/0x410 [ 96.874626][ T7729] __se_sys_io_uring_register+0xd1f/0x3b60 [ 96.880425][ T7729] ? __lock_acquire+0x1397/0x2100 [ 96.885445][ T7729] ? __pfx___se_sys_io_uring_register+0x10/0x10 [ 96.891680][ T7729] ? do_raw_spin_lock+0x14f/0x370 [ 96.896704][ T7729] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 96.902671][ T7729] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.908986][ T7729] ? _raw_spin_unlock_irq+0x23/0x50 [ 96.914172][ T7729] ? lockdep_hardirqs_on+0x99/0x150 [ 96.919382][ T7729] ? _raw_spin_unlock_irq+0x2e/0x50 [ 96.924567][ T7729] ? ptrace_notify+0x279/0x380 [ 96.929326][ T7729] ? __pfx_ptrace_notify+0x10/0x10 [ 96.934431][ T7729] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 96.940744][ T7729] ? do_syscall_64+0x100/0x230 [ 96.945501][ T7729] do_syscall_64+0xf3/0x230 [ 96.949994][ T7729] ? clear_bhb_loop+0x35/0x90 [ 96.954666][ T7729] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.960549][ T7729] RIP: 0033:0x7f2f31138499 [ 96.964967][ T7729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 96.984652][ T7729] RSP: 002b:00007f2f310f3238 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab [ 96.993063][ T7729] RAX: ffffffffffffffda RBX: 00007f2f311c2328 RCX: 00007f2f31138499 [ 97.001195][ T7729] RDX: 00000000200002c0 RSI: 0000000000000000 RDI: 0000000000000004 [ 97.009152][ T7729] RBP: 00007f2f311c2320 R08: 00007f2f310f36c0 R09: 00007f2f310f36c0 [ 97.017286][ T7729] R10: 100000000000011a R11: 0000000000000246 R12: 00007f2f3118f074 [ 97.025248][ T7729] R13: 0000000000000000 R14: 00007ffd2bc61490 R15: 00007ffd2bc61578 [ 97.033211][ T7729] [ 97.036476][ T7729] Kernel Offset: disabled [ 97.040811][ T7729] Rebooting in 86400 seconds..