./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2762453728 <...> no interfaces have a carrier [ 58.721032][ T5513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.731244][ T5513] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller syzkaller login: [ 91.988344][ T43] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts. execve("./syz-executor2762453728", ["./syz-executor2762453728"], 0x7ffc8b7d6450 /* 10 vars */) = 0 brk(NULL) = 0x55555b90b000 brk(0x55555b90bd40) = 0x55555b90bd40 arch_prctl(ARCH_SET_FS, 0x55555b90b3c0) = 0 set_tid_address(0x55555b90b690) = 5882 set_robust_list(0x55555b90b6a0, 24) = 0 rseq(0x55555b90bce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2762453728", 4096) = 28 getrandom("\xc8\xfe\xbd\x16\xe2\x92\x2e\xb7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b90bd40 brk(0x55555b92cd40) = 0x55555b92cd40 brk(0x55555b92d000) = 0x55555b92d000 mprotect(0x7fac17dbb000, 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 5883 attached , child_tidptr=0x55555b90b690) = 5883 [pid 5882] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC [pid 5883] set_robust_list(0x55555b90b6a0, 24) = 0 [pid 5882] <... openat resumed>) = 3 [pid 5882] write(3, "10000000000", 11) = 11 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "20", 2) = 2 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "0", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "0", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "100", 3) = 3 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "0", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "0", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "7 4 1 3", 7) = 7 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "0", 1) = 1 [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "5883", 4) = 4 [pid 5882] close(3) = 0 [pid 5882] kill(5883, SIGKILL) = 0 [pid 5883] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5883, 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 5884 attached [pid 5884] set_robust_list(0x55555b90b6a0, 24 [pid 5882] <... clone resumed>, child_tidptr=0x55555b90b690) = 5884 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] getppid() = 0 [pid 5884] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5884] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5884] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5884] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5884] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5884] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5884] unshare(CLONE_NEWNS) = 0 [pid 5884] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5884] unshare(CLONE_NEWIPC) = 0 [pid 5884] unshare(CLONE_NEWCGROUP) = 0 [pid 5884] unshare(CLONE_NEWUTS) = 0 [pid 5884] unshare(CLONE_SYSVSEM) = 0 [pid 5884] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "16777216", 8) = 8 [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "536870912", 9) = 9 [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1024", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "8192", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1024", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1024", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5884] close(3) = 0 [pid 5884] getpid() = 1 [pid 5884] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {parent_tid=[3]}, 88) = 3 [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] rseq(0x7fac17ceafe0, 0x20, 0, 0x53053053 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] <... rseq resumed>) = 0 [pid 5899] futex(0x7fac17dc1408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] set_robust_list(0x7fac17cea9a0, 24 [pid 5899] <... futex resumed>) = 0 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] futex(0x7fac17dc140c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5900] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5900] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5900] futex(0x7fac17dc1408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] <... futex resumed>) = 0 [pid 5899] futex(0x7fac17dc1408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5899] futex(0x7fac17dc140c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] 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) = 204 [pid 5900] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5899] <... futex resumed>) = 0 [pid 5900] futex(0x7fac17dc1408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] futex(0x7fac17dc1408, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5900] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x30\x00\x00\x00\x00\x00\x06\xba\xc9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x70\xc2\x00\x00\x28\x3c\x00\x00\x02\x00\x05\xa0\x04\x00\x00\x00", 62 [pid 5899] futex(0x7fac17dc140c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... write resumed>) = 62 [pid 5900] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5900] futex(0x7fac17dc1408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] <... futex resumed>) = 0 [pid 5899] close(3) = 0 [pid 5899] close(4) = -1 EBADF (Bad file descriptor) [pid 5899] close(5) = -1 EBADF (Bad file descriptor) [pid 5899] close(6) = -1 EBADF (Bad file descriptor) [pid 5899] close(7) = -1 EBADF (Bad file descriptor) [pid 5899] close(8) = -1 EBADF (Bad file descriptor) [pid 5899] close(9) = -1 EBADF (Bad file descriptor) [pid 5899] close(10) = -1 EBADF (Bad file descriptor) [pid 5899] close(11) = -1 EBADF (Bad file descriptor) [pid 5899] close(12) = -1 EBADF (Bad file descriptor) [pid 5899] close(13) = -1 EBADF (Bad file descriptor) [pid 5899] close(14) = -1 EBADF (Bad file descriptor) [pid 5899] close(15) = -1 EBADF (Bad file descriptor) [pid 5899] close(16) = -1 EBADF (Bad file descriptor) [pid 5899] close(17) = -1 EBADF (Bad file descriptor) [pid 5899] close(18) = -1 EBADF (Bad file descriptor) [pid 5899] close(19) = -1 EBADF (Bad file descriptor) [pid 5899] close(20) = -1 EBADF (Bad file descriptor) [pid 5899] close(21) = -1 EBADF (Bad file descriptor) [pid 5899] close(22) = -1 EBADF (Bad file descriptor) [pid 5899] close(23) = -1 EBADF (Bad file descriptor) [pid 5899] close(24) = -1 EBADF (Bad file descriptor) [pid 5899] close(25) = -1 EBADF (Bad file descriptor) [pid 5899] close(26) = -1 EBADF (Bad file descriptor) [pid 5899] close(27) = -1 EBADF (Bad file descriptor) [pid 5899] close(28) = -1 EBADF (Bad file descriptor) [pid 5899] close(29) = -1 EBADF (Bad file descriptor) [pid 5899] exit_group(0) = ? [pid 5900] <... futex resumed>) = ? [pid 5900] +++ exited with 0 +++ [pid 5899] +++ exited with 0 +++ [pid 5884] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5884] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5884] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5901 attached [pid 5901] set_robust_list(0x55555b90b6a0, 24 [pid 5884] <... clone resumed>, child_tidptr=0x55555b90b690) = 4 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5901] setpgid(0, 0) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5901] write(3, "1000", 4) = 4 [pid 5901] close(3) = 0 [pid 5901] read(200, executing program 0x7ffcd5715630, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] write(1, "executing program\n", 18) = 18 [pid 5901] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] rt_sigaction(SIGRT_1, {sa_handler=0x7fac17d5e430, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fac17d4fab0}, NULL, 8) = 0 [pid 5901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fac17cca000 [pid 5901] mprotect(0x7fac17ccb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fac17cea990, parent_tid=0x7fac17cea990, exit_signal=0, stack=0x7fac17cca000, stack_size=0x20300, tls=0x7fac17cea6c0} => {parent_tid=[5]}, 88) = 5 [pid 5901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5901] futex(0x7fac17dc1408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] futex(0x7fac17dc140c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5902 attached [pid 5902] rseq(0x7fac17ceafe0, 0x20, 0, 0x53053053) = 0 [pid 5902] set_robust_list(0x7fac17cea9a0, 24) = 0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5902] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 3 [pid 5902] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5901] futex(0x7fac17dc1408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] futex(0x7fac17dc140c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... futex resumed>) = 1 [pid 5902] 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) = 204 [pid 5902] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5901] futex(0x7fac17dc1408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5901] futex(0x7fac17dc140c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... futex resumed>) = 1 [pid 5902] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x30\x00\x00\x00\x00\x00\x06\xba\xc9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x70\xc2\x00\x00\x28\x3c\x00\x00\x02\x00\x05\xa0\x04\x00\x00\x00", 62 [pid 5901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5902] <... write resumed>) = 62 [pid 5902] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5902] futex(0x7fac17dc1408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] close(3) = 0 executing program [pid 5901] close(4) = -1 EBADF (Bad file descriptor) [pid 5901] close(5) = -1 EBADF (Bad file descriptor) [pid 5901] close(6) = -1 EBADF (Bad file descriptor) [pid 5901] close(7) = -1 EBADF (Bad file descriptor) [pid 5901] close(8) = -1 EBADF (Bad file descriptor) [pid 5901] close(9) = -1 EBADF (Bad file descriptor) [pid 5901] close(10) = -1 EBADF (Bad file descriptor) [pid 5901] close(11) = -1 EBADF (Bad file descriptor) [pid 5901] close(12) = -1 EBADF (Bad file descriptor) [pid 5901] close(13) = -1 EBADF (Bad file descriptor) [pid 5901] close(14) = -1 EBADF (Bad file descriptor) [pid 5901] close(15) = -1 EBADF (Bad file descriptor) [pid 5901] close(16) = -1 EBADF (Bad file descriptor) [pid 5901] close(17) = -1 EBADF (Bad file descriptor) [pid 5901] close(18) = -1 EBADF (Bad file descriptor) [pid 5901] close(19) = -1 EBADF (Bad file descriptor) [pid 5901] close(20) = -1 EBADF (Bad file descriptor) [pid 5901] close(21) = -1 EBADF (Bad file descriptor) [pid 5901] close(22) = -1 EBADF (Bad file descriptor) [pid 5901] close(23) = -1 EBADF (Bad file descriptor) [pid 5901] close(24) = -1 EBADF (Bad file descriptor) [pid 5901] close(25) = -1 EBADF (Bad file descriptor) [pid 5901] close(26) = -1 EBADF (Bad file descriptor) [pid 5901] close(27) = -1 EBADF (Bad file descriptor) [pid 5901] close(28) = -1 EBADF (Bad file descriptor) [pid 5901] close(29) = -1 EBADF (Bad file descriptor) [pid 5901] exit_group(0 [pid 5902] <... futex resumed>) = ? [pid 5901] <... exit_group resumed>) = ? [pid 5902] +++ exited with 0 +++ [pid 5901] +++ exited with 0 +++ [pid 5884] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5884] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5884] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b90b690) = 6 ./strace-static-x86_64: Process 5903 attached [pid 5903] set_robust_list(0x55555b90b6a0, 24) = 0 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5903] setpgid(0, 0) = 0 [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5903] write(3, "1000", 4) = 4 [pid 5903] close(3) = 0 [pid 5903] read(200, 0x7ffcd5715630, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] write(1, "executing program\n", 18) = 18 [pid 5903] futex(0x7fac17dc140c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] rt_sigaction(SIGRT_1, {sa_handler=0x7fac17d5e430, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fac17d4fab0}, NULL, 8) = 0 [pid 5903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fac17cca000 [pid 5903] mprotect(0x7fac17ccb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fac17cea990, parent_tid=0x7fac17cea990, exit_signal=0, stack=0x7fac17cca000, stack_size=0x20300, tls=0x7fac17cea6c0} => {parent_tid=[7]}, 88) = 7 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5903] futex(0x7fac17dc1408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] futex(0x7fac17dc140c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5903] futex(0x7fac17dc141c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fac17ca9000 [pid 5903] mprotect(0x7fac17caa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fac17cc9990, parent_tid=0x7fac17cc9990, exit_signal=0, stack=0x7fac17ca9000, stack_size=0x20300, tls=0x7fac17cc96c0} => {parent_tid=[8]}, 88) = 8 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5903] futex(0x7fac17dc1418, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] futex(0x7fac17dc141c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5905 attached ./strace-static-x86_64: Process 5904 attached [pid 5905] rseq(0x7fac17cc9fe0, 0x20, 0, 0x53053053 [pid 5903] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5903] futex(0x7fac17dc142c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fac17c88000 [pid 5903] mprotect(0x7fac17c89000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fac17ca8990, parent_tid=0x7fac17ca8990, exit_signal=0, stack=0x7fac17c88000, stack_size=0x20300, tls=0x7fac17ca86c0} => {parent_tid=[9]}, 88) = 9 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5903] futex(0x7fac17dc1428, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] futex(0x7fac17dc142c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5906 attached ) = -1 ETIMEDOUT (Connection timed out) [pid 5906] rseq(0x7fac17ca8fe0, 0x20, 0, 0x53053053) = 0 [pid 5906] set_robust_list(0x7fac17ca89a0, 24) = 0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5906] write(200, "\x01\x80\xc2\x00\x00\x02\x01\x80\xc2\x00\x00\x00\x08\x00\x45\x00\x00\x30\x00\x00\x00\x00\x00\x06\xba\xc9\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x4e\x26\x44\x43\x42\x41\x44\x43\x42\x41\x70\xc2\x00\x00\x28\x3c\x00\x00\x02\x00\x05\xa0\x04\x00\x00\x00", 62 [pid 5905] <... rseq resumed>) = 0 [pid 5904] rseq(0x7fac17ceafe0, 0x20, 0, 0x53053053) = 0 [ 226.766159][ C0] sched: DL replenish lagged too much [pid 5906] <... write resumed>) = 62 [pid 5906] futex(0x7fac17dc142c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5906] futex(0x7fac17dc1428, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] set_robust_list(0x7fac17cea9a0, 24) = 0 [pid 5904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5904] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5905] set_robust_list(0x7fac17cc99a0, 24) = 0 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5905] sendmsg(-1, {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) = -1 EBADF (Bad file descriptor) [pid 5905] futex(0x7fac17dc141c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5905] futex(0x7fac17dc1418, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] kill(-6, SIGKILL) = 0 [pid 5884] kill(6, SIGKILL) = 0 [pid 5906] <... futex resumed>) = ? [pid 5906] +++ killed by SIGKILL +++ [pid 5905] <... futex resumed>) = ? [pid 5905] +++ killed by SIGKILL +++ [pid 5904] <... socket resumed>) = ? [pid 5904] +++ killed by SIGKILL +++ [pid 5903] +++ killed by SIGKILL +++ [pid 5884] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5884] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b90b690) = 10 ./strace-static-x86_64: Process 5908 attached [pid 5908] set_robust_list(0x55555b90b6a0, 24) = 0 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5908] setpgid(0, 0) = 0 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] kill(-10, SIGKILL) = 0 [pid 5884] kill(10, SIGKILL) = 0 [pid 5908] <... openat resumed>) = ? [pid 5908] +++ killed by SIGKILL +++ [pid 5884] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=10, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5884] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b90b690) = 11 ./strace-static-x86_64: Process 5910 attached [pid 5910] set_robust_list(0x55555b90b6a0, 24) = 0 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5910] setpgid(0, 0) = 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] kill(-11, SIGKILL) = 0 [pid 5884] kill(11, SIGKILL) = 0 [pid 5910] <... openat resumed>) = ? [pid 5910] +++ killed by SIGKILL +++ [pid 5884] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=11, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5884] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b90b690) = 12 ./strace-static-x86_64: Process 5912 attached [pid 5912] set_robust_list(0x55555b90b6a0, 24) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] setpgid(0, 0) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] kill(-12, SIGKILL) = 0 [pid 5884] kill(12, SIGKILL) = 0 [pid 5912] <... openat resumed>) = ? [pid 5912] +++ killed by SIGKILL +++ [pid 5884] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=12, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5884] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b90b690) = 13 ./strace-static-x86_64: Process 5915 attached [pid 5915] set_robust_list(0x55555b90b6a0, 24) = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5915] setpgid(0, 0) = 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] kill(-13, SIGKILL) = 0 [pid 5884] kill(13, SIGKILL) = 0 [pid 5915] <... openat resumed>) = ? [ 451.869490][ T31] INFO: task kworker/u8:0:12 blocked for more than 143 seconds. [ 453.229587][ T31] Not tainted 6.16.0-rc5-syzkaller-00121-gbc9ff192a6c9 #0 [ 455.160666][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 455.184037][ T31] task:kworker/u8:0 state:D stack:24792 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000 [pid 5915] +++ killed by SIGKILL +++ [pid 5884] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 461.075398][ T31] Workqueue: ipv6_addrconf addrconf_verify_work [ 461.095518][ T31] Call Trace: