./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor30253804 <...> Warning: Permanently added '10.128.1.86' (ED25519) to the list of known hosts. execve("./syz-executor30253804", ["./syz-executor30253804"], 0x7ffdd189add0 /* 10 vars */) = 0 brk(NULL) = 0x55555bf0a000 brk(0x55555bf0ad40) = 0x55555bf0ad40 arch_prctl(ARCH_SET_FS, 0x55555bf0a3c0) = 0 set_tid_address(0x55555bf0a690) = 5845 set_robust_list(0x55555bf0a6a0, 24) = 0 rseq(0x55555bf0ace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor30253804", 4096) = 26 getrandom("\x23\x26\xd9\x93\x44\xd0\xdb\x11", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555bf0ad40 brk(0x55555bf2bd40) = 0x55555bf2bd40 brk(0x55555bf2c000) = 0x55555bf2c000 mprotect(0x7f16600e1000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached [pid 5846] set_robust_list(0x55555bf0a6a0, 24 [pid 5845] <... clone resumed>, child_tidptr=0x55555bf0a690) = 5846 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "10000000000", 11) = 11 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "20", 2) = 2 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "0", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "0", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "100", 3) = 3 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "0", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "0", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "7 4 1 3", 7) = 7 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "0", 1) = 1 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "5846", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] kill(5846, SIGKILL) = 0 [pid 5846] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5846, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached , child_tidptr=0x55555bf0a690) = 5847 [pid 5847] set_robust_list(0x55555bf0a6a0, 24) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] getppid() = 0 [pid 5847] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5847] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5847] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5847] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5847] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5847] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5847] unshare(CLONE_NEWNS) = 0 [pid 5847] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5847] unshare(CLONE_NEWIPC) = 0 [pid 5847] unshare(CLONE_NEWCGROUP) = 0 [pid 5847] unshare(CLONE_NEWUTS) = 0 [pid 5847] unshare(CLONE_SYSVSEM) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "16777216", 8) = 8 [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "536870912", 9) = 9 [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1024", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "8192", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1024", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1024", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5847] close(3) = 0 [pid 5847] getpid() = 1 [pid 5847] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5858] rseq(0x7f1660010fe0, 0x20, 0, 0x53053053) = 0 [pid 5858] set_robust_list(0x7f16600109a0, 24 [pid 5857] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5857] <... futex resumed>) = 0 [pid 5858] <... socket resumed>) = 3 [pid 5857] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] <... futex resumed>) = 0 [pid 5858] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = 0 [pid 5858] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5857] <... futex resumed>) = 1 [pid 5857] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... sendmsg resumed>) = 204 [pid 5858] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5857] <... futex resumed>) = 0 [pid 5858] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x28\x00\x00\x00\x00\x00\x06\xba\xd1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x50\xc2\x00\x01\x53\xe3\x00\x00", 54 [pid 5857] <... futex resumed>) = 0 [pid 5857] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... write resumed>) = 54 [pid 5858] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5857] <... futex resumed>) = 0 [pid 5857] close(3) = 0 [pid 5857] close(4) = -1 EBADF (Bad file descriptor) [pid 5857] close(5) = -1 EBADF (Bad file descriptor) [pid 5857] close(6) = -1 EBADF (Bad file descriptor) [pid 5857] close(7) = -1 EBADF (Bad file descriptor) [pid 5857] close(8) = -1 EBADF (Bad file descriptor) [pid 5857] close(9) = -1 EBADF (Bad file descriptor) [pid 5857] close(10) = -1 EBADF (Bad file descriptor) [pid 5857] close(11) = -1 EBADF (Bad file descriptor) [pid 5857] close(12) = -1 EBADF (Bad file descriptor) [pid 5857] close(13) = -1 EBADF (Bad file descriptor) [pid 5857] close(14) = -1 EBADF (Bad file descriptor) [pid 5857] close(15) = -1 EBADF (Bad file descriptor) [pid 5857] close(16) = -1 EBADF (Bad file descriptor) [pid 5857] close(17) = -1 EBADF (Bad file descriptor) [pid 5857] close(18) = -1 EBADF (Bad file descriptor) [pid 5857] close(19) = -1 EBADF (Bad file descriptor) [pid 5857] close(20) = -1 EBADF (Bad file descriptor) [pid 5857] close(21) = -1 EBADF (Bad file descriptor) [pid 5857] close(22) = -1 EBADF (Bad file descriptor) [pid 5857] close(23) = -1 EBADF (Bad file descriptor) [pid 5857] close(24) = -1 EBADF (Bad file descriptor) [pid 5857] close(25) = -1 EBADF (Bad file descriptor) [pid 5857] close(26) = -1 EBADF (Bad file descriptor) [pid 5857] close(27) = -1 EBADF (Bad file descriptor) [pid 5857] close(28) = -1 EBADF (Bad file descriptor) [pid 5857] close(29) = -1 EBADF (Bad file descriptor) [pid 5857] exit_group(0 [pid 5858] <... futex resumed>) = ? [pid 5858] +++ exited with 0 +++ [pid 5857] <... exit_group resumed>) = ? [pid 5857] +++ exited with 0 +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached [pid 5859] set_robust_list(0x55555bf0a6a0, 24) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... clone resumed>, child_tidptr=0x55555bf0a690) = 4 [pid 5859] <... prctl resumed>) = 0 [pid 5859] setpgid(0, 0) = 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1000", 4) = 4 [pid 5859] close(3) = 0 executing program [pid 5859] read(200, 0x7fffa99c49d0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] write(1, "executing program\n", 18) = 18 [pid 5859] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7f16600843f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1660075a70}, NULL, 8) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f165fff0000 [pid 5859] mprotect(0x7f165fff1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1660010990, parent_tid=0x7f1660010990, exit_signal=0, stack=0x7f165fff0000, stack_size=0x20300, tls=0x7f16600106c0}./strace-static-x86_64: Process 5860 attached => {parent_tid=[5]}, 88) = 5 [pid 5860] rseq(0x7f1660010fe0, 0x20, 0, 0x53053053) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] set_robust_list(0x7f16600109a0, 24 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... futex resumed>) = 0 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5860] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5860] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... sendmsg resumed>) = 204 [pid 5860] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x28\x00\x00\x00\x00\x00\x06\xba\xd1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x50\xc2\x00\x01\x53\xe3\x00\x00", 54 [pid 5859] <... futex resumed>) = 0 [pid 5860] <... write resumed>) = 54 [pid 5859] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] <... futex resumed>) = 0 [pid 5859] close(3 [pid 5860] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... close resumed>) = 0 [pid 5859] close(4) = -1 EBADF (Bad file descriptor) [pid 5859] close(5) = -1 EBADF (Bad file descriptor) [pid 5859] close(6) = -1 EBADF (Bad file descriptor) [pid 5859] close(7) = -1 EBADF (Bad file descriptor) [pid 5859] close(8) = -1 EBADF (Bad file descriptor) [pid 5859] close(9) = -1 EBADF (Bad file descriptor) [pid 5859] close(10) = -1 EBADF (Bad file descriptor) [pid 5859] close(11) = -1 EBADF (Bad file descriptor) [pid 5859] close(12) = -1 EBADF (Bad file descriptor) [pid 5859] close(13) = -1 EBADF (Bad file descriptor) [pid 5859] close(14) = -1 EBADF (Bad file descriptor) [pid 5859] close(15) = -1 EBADF (Bad file descriptor) [pid 5859] close(16) = -1 EBADF (Bad file descriptor) [pid 5859] close(17) = -1 EBADF (Bad file descriptor) [pid 5859] close(18) = -1 EBADF (Bad file descriptor) [pid 5859] close(19) = -1 EBADF (Bad file descriptor) [pid 5859] close(20) = -1 EBADF (Bad file descriptor) [pid 5859] close(21) = -1 EBADF (Bad file descriptor) [pid 5859] close(22) = -1 EBADF (Bad file descriptor) [pid 5859] close(23) = -1 EBADF (Bad file descriptor) [pid 5859] close(24) = -1 EBADF (Bad file descriptor) [pid 5859] close(25) = -1 EBADF (Bad file descriptor) [pid 5859] close(26) = -1 EBADF (Bad file descriptor) [pid 5859] close(27) = -1 EBADF (Bad file descriptor) [pid 5859] close(28) = -1 EBADF (Bad file descriptor) [pid 5859] close(29) = -1 EBADF (Bad file descriptor) [pid 5859] exit_group(0 [pid 5860] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5860] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached , child_tidptr=0x55555bf0a690) = 6 [pid 5861] set_robust_list(0x55555bf0a6a0, 24) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5861] write(3, "1000", 4) = 4 [pid 5861] close(3) = 0 [pid 5861] read(200, 0x7fffa99c49d0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] write(1, "executing program\n", 18) = 18 [pid 5861] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] rt_sigaction(SIGRT_1, {sa_handler=0x7f16600843f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1660075a70}, NULL, 8) = 0 [pid 5861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f165fff0000 [pid 5861] mprotect(0x7f165fff1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1660010990, parent_tid=0x7f1660010990, exit_signal=0, stack=0x7f165fff0000, stack_size=0x20300, tls=0x7f16600106c0}./strace-static-x86_64: Process 5862 attached [pid 5862] rseq(0x7f1660010fe0, 0x20, 0, 0x53053053) = 0 [pid 5862] set_robust_list(0x7f16600109a0, 24) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5862] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5861] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 1 [pid 5862] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5862] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] futex(0x7f16600e7408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 1 [pid 5862] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x20\x00\x00\x00\x00\x0a\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x40\x00\x00\x00\x03\x0a\x01\x02\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40"..., iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5861] futex(0x7f16600e740c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5861] futex(0x7f16600e741c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f165ffcf000 [pid 5861] mprotect(0x7f165ffd0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f165ffef990, parent_tid=0x7f165ffef990, exit_signal=0, stack=0x7f165ffcf000, stack_size=0x20300, tls=0x7f165ffef6c0}./strace-static-x86_64: Process 5863 attached => {parent_tid=[8]}, 88) = 8 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] rseq(0x7f165ffeffe0, 0x20, 0, 0x53053053 [pid 5861] futex(0x7f16600e7418, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rseq resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5863] set_robust_list(0x7f165ffef9a0, 24 [pid 5861] futex(0x7f16600e741c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... set_robust_list resumed>) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x28\x00\x00\x00\x00\x00\x06\xba\xd1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x50\xc2\x00\x01\x53\xe3\x00\x00", 54 [pid 5861] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... write resumed>) = 54 [pid 5863] futex(0x7f16600e741c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] futex(0x7f16600e7418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] <... sendmsg resumed>) = 204 [pid 5862] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] close(3) = 0 [pid 5861] close(4) = -1 EBADF (Bad file descriptor) [pid 5861] close(5) = -1 EBADF (Bad file descriptor) [pid 5861] close(6) = -1 EBADF (Bad file descriptor) [pid 5861] close(7) = -1 EBADF (Bad file descriptor) [pid 5861] close(8) = -1 EBADF (Bad file descriptor) [pid 5861] close(9) = -1 EBADF (Bad file descriptor) [pid 5861] close(10) = -1 EBADF (Bad file descriptor) [pid 5861] close(11) = -1 EBADF (Bad file descriptor) [pid 5861] close(12) = -1 EBADF (Bad file descriptor) [pid 5861] close(13) = -1 EBADF (Bad file descriptor) [pid 5861] close(14) = -1 EBADF (Bad file descriptor) [pid 5861] close(15) = -1 EBADF (Bad file descriptor) [pid 5861] close(16) = -1 EBADF (Bad file descriptor) [pid 5861] close(17) = -1 EBADF (Bad file descriptor) [pid 5861] close(18) = -1 EBADF (Bad file descriptor) [pid 5861] close(19) = -1 EBADF (Bad file descriptor) [pid 5861] close(20) = -1 EBADF (Bad file descriptor) [pid 5861] close(21) = -1 EBADF (Bad file descriptor) [pid 5861] close(22) = -1 EBADF (Bad file descriptor) [pid 5862] futex(0x7f16600e7408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] close(23) = -1 EBADF (Bad file descriptor) [pid 5861] close(24) = -1 EBADF (Bad file descriptor) [pid 5861] close(25) = -1 EBADF (Bad file descriptor) [pid 5861] close(26) = -1 EBADF (Bad file descriptor) [pid 5861] close(27) = -1 EBADF (Bad file descriptor) [pid 5861] close(28) = -1 EBADF (Bad file descriptor) [pid 5861] close(29) = -1 EBADF (Bad file descriptor) [pid 5861] exit_group(0 [pid 5862] <... futex resumed>) = ? [pid 5861] <... exit_group resumed>) = ? [pid 5862] +++ exited with 0 +++ [pid 5863] <... futex resumed>) = ? [pid 5863] +++ exited with 0 +++ [pid 5861] +++ exited with 0 +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 247.304739][ C1] sched: DL replenish lagged too much [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bf0a690) = 9 ./strace-static-x86_64: Process 5864 attached [pid 5864] set_robust_list(0x55555bf0a6a0, 24) = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5864] write(3, "1000", 4) = 4 [pid 5864] close(3) = 0 [pid 5864] read(200, 0x7fffa99c49d0, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] write(1, "executing program\n", 18) = 18 [pid 5864] futex(0x7f16600e740c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7f16600843f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1660075a70}, NULL, 8) = 0 [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f165fff0000 [pid 5864] mprotect(0x7f165fff1000, 131072, PROT_READ|PROT_WRITE [pid 5847] kill(-9, SIGKILL) = 0 [pid 5847] kill(9, SIGKILL) = 0 [pid 5864] <... mprotect resumed>) = ? [pid 5864] +++ killed by SIGKILL +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bf0a690) = 10 ./strace-static-x86_64: Process 5865 attached [pid 5865] set_robust_list(0x55555bf0a6a0, 24) = 0 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] setpgid(0, 0) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] kill(-10, SIGKILL) = 0 [pid 5847] kill(10, SIGKILL) = 0 [pid 5865] <... openat resumed>) = ? [pid 5865] +++ killed by SIGKILL +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555bf0a690) = 11 ./strace-static-x86_64: Process 5868 attached [pid 5868] set_robust_list(0x55555bf0a6a0, 24) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5868] setpgid(0, 0) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] kill(-11, SIGKILL) = 0 [pid 5847] kill(11, SIGKILL) = 0 [pid 5868] <... openat resumed>) = ? [pid 5868] +++ killed by SIGKILL +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [ 441.748809][ T31] INFO: task kworker/0:1:10 blocked for more than 143 seconds. [ 441.756528][ T31] Not tainted 6.15.0-rc3-syzkaller-00154-g2d52e2e38b85 #0 [ 444.961426][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 448.793214][ T31] task:kworker/0:1 state:D stack:22472 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00004000