./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor259171447 <...> Warning: Permanently added '10.128.0.161' (ED25519) to the list of known hosts. execve("./syz-executor259171447", ["./syz-executor259171447"], 0x7fff5c803950 /* 10 vars */) = 0 brk(NULL) = 0x55557f2aa000 brk(0x55557f2aad40) = 0x55557f2aad40 arch_prctl(ARCH_SET_FS, 0x55557f2aa3c0) = 0 set_tid_address(0x55557f2aa690) = 5841 set_robust_list(0x55557f2aa6a0, 24) = 0 rseq(0x55557f2aace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor259171447", 4096) = 27 getrandom("\x01\x5a\x16\x7c\x0a\x9f\x15\x70", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557f2aad40 brk(0x55557f2cbd40) = 0x55557f2cbd40 brk(0x55557f2cc000) = 0x55557f2cc000 mprotect(0x7f17486f2000, 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 5842 attached , child_tidptr=0x55557f2aa690) = 5842 [pid 5842] set_robust_list(0x55557f2aa6a0, 24) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] write(1, "executing program\n", 18executing program ) = 18 [pid 5842] futex(0x7f17486f832c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7f1748692960, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1748683fe0}, NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1748605000 [pid 5842] mprotect(0x7f1748606000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1748625990, parent_tid=0x7f1748625990, exit_signal=0, stack=0x7f1748605000, stack_size=0x20300, tls=0x7f17486256c0}./strace-static-x86_64: Process 5843 attached => {parent_tid=[5843]}, 88) = 5843 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] rseq(0x7f1748625fe0, 0x20, 0, 0x53053053 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... rseq resumed>) = 0 [pid 5842] futex(0x7f17486f8328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] set_robust_list(0x7f17486259a0, 24 [pid 5842] <... futex resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] futex(0x7f17486f832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5843] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 5843] futex(0x7f17486f832c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5843] futex(0x7f17486f8328, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7f17486f8328, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5843] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x00\x00\x20\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x20\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [pid 5842] futex(0x7f17486f832c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5842] futex(0x7f17486f833c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f17485e4000 [pid 5842] mprotect(0x7f17485e5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f1748604990, parent_tid=0x7f1748604990, exit_signal=0, stack=0x7f17485e4000, stack_size=0x20300, tls=0x7f17486046c0}./strace-static-x86_64: Process 5844 attached [pid 5844] rseq(0x7f1748604fe0, 0x20, 0, 0x53053053) = 0 [pid 5842] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5844] set_robust_list(0x7f17486049a0, 24 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... set_robust_list resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] futex(0x7f17486f8338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5844] sendmmsg(4, [pid 5842] futex(0x7f17486f833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}], 3, 0) = 3 [pid 5844] futex(0x7f17486f833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5842] futex(0x7f17486f8338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] dup2(4, 3 [pid 5842] <... futex resumed>) = 0 [pid 5844] <... dup2 resumed>) = 3 [pid 5842] futex(0x7f17486f833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] futex(0x7f17486f833c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5844] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4 [pid 5842] futex(0x7f17486f8338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... setsockopt resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5844] futex(0x7f17486f833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7f17486f833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5844] futex(0x7f17486f8338, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7f17486f8338, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5844] sendmmsg(3, [pid 5842] futex(0x7f17486f833c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... sendmmsg resumed>[{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=0, cmsg_level=SOL_IP, cmsg_type=0 /* IP_??? */}, ... /* 0x200000002890 */], msg_controllen=56, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x4b\x56\x49\x9b\x28\xc6\x64\x16\xd8\x3e\x88\xb1\xc4\x77\x32\xee\x16\x3c\x55\xf1\xba\xdf\x70\x49\x47\x2b\x77\x91\xd6\x80\x4c\x28\x6c\x2e\x2e\xef\xb2\xe7\x34\x71\x7f\xb2\x6c\x75\xa7\x60\xfb\xd5\xed\x82\x50\x98\x8d\x82\x64\xeb\x7c\x6e\xb4\x4c\x7d\x63\xae\xa5\x6a\xba\x81\xa0\x41\xbf\x05\xd7\x8b\x41\x4f\x17\x93\xa1\x56\x1d\x79\x7b\xad\x2e\x5d\x25\x13\x93\xb1\x82\x2f\x2b\x9b\xff\x11\x2e\xc9\x62\x9b\x3b"..., iov_len=150}, {iov_base="\x53\x31\x8b\x07\xe3\x95\x2c\xdf\x5c\x10\x29\x6f\x40\x7a\x1a\xd6\x8a\x70\x59\xe3\x23\x3c\x2f\x5c\xda\x46\xb1\x0e\x52\x60\x27\xfd\xc2\x1b\x7d\xc3\xdb\x9a\xed\x51\x85\x39\x0d\x40\xc5\x40\x23\xb2\x53\x65\x30\xa3\x3c\x1c\x9b\x0c\x14\xf4\x04\x34\x8c\x5c\xa7\xe9\xbe\x70\x67\xc4\x8f\xd6\xd4\x13\xcc\xd3\x54\xe7\x61\xe2\xcb\x66\x07\x1d\x89\xc1\x74\x66\x12\xad\xf4\x65\x8f\x84\x55\x11\x44\xf8\xc2\x59\x7a\x67"..., iov_len=202}, {iov_base="\x3f\x93\xfa\x9f\x6a\x19\x71\xcd\x92\x3f\xe7\x8a\x48\xbd\x74\x79\x77\x1e\xb4\xee\xcb\xf1\xc1\x60\x2a\x4e\xc9\xcb\xe2\x86\x36\x75\x0f\x78\x8f\xbc\x67\xd7\x5b\x54\x20\x2e\xb2\x06\x11\x61\x06\x00\x92\xcd\x38\x9e\xc2\xff\x19\xaf\x1a\x77\xdf\x09\x16\x66\x0f\x83\x5a\x13\x24\x0b\x4e\x4d\x6e\xbd\xbb\x15\xa3\x54\xe8\x48\xba\x90\x73\xa7\xa8\x70\x8b\xcb\xc3\x48\x08\xc5\xd2\xdd\x22\xc5\xae\xdf", iov_len=96}, {iov_base="\xc5\xe8\x89\xab\x2e\x17\x2e\x92\xee\xa7\x91\xdf\x0b\x22\x95\x85\x0f\x1d\x61\xd5\x20\x59\xd2\xee\x94\xef\xa1\x88\x07\x84\x2c\xa6\xa1\xc3\x25\x46\xfa\xc5\x50\xe8\x5e\xbc\xe1\xee\x36\xa5\x1d\xa9\x0e\xd8\x3e\x85\x08\xe2\x45\x49\x2c\xdf\x96\xf3\x20\x4b\xa9\x7f\x37\xf8\xa6\xea\x76\x22\x03\xb0\x71\x6f\x84\xe8\xac\x2c\x34\x15\xa0\xfd\x24\x5e\x71\xe3\xd6\xc1\x29\xa0\x4a\xe8\xc0\x0c\xd2\x20\xa1\x24\x03\xcc"..., iov_len=1004}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base="\xea\x16\x72\xb9\x79\x90\x3a\xbf\xda\xf0\x38\xf5\xc4\x67\xb5\x6c\xdf\xff\x2a\x22\xcb\x8f\x35\x7b\x96\xbe\xc3\xee\xac\xb8\x8b\x57\x8a\x94\x64\xef\xfb\xd1\xe1\x6f\x5e\x5d\x84\xdf\x4d\x3c\x2a\x20\x9b", iov_len=49}], msg_iovlen=7, msg_controllen=0, msg_flags=0}, msg_len=1501}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}], 4, 0) = 4 [pid 5844] futex(0x7f17486f833c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [ 101.131196][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 5700 ms [ 101.141530][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 5710000 usecs ago [ 106.091282][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 10660 ms [ 106.101294][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 10670000 usecs ago [ 111.131190][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 15700 ms [ 111.141004][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 15700000 usecs ago [ 116.091149][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 20660 ms [ 116.101183][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 20670000 usecs ago [ 121.131145][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 25700 ms [ 121.141150][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 25710000 usecs ago [ 126.091140][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 30660 ms [ 126.100947][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 30660000 usecs ago [ 131.131155][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 35700 ms [ 131.140958][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 35700000 usecs ago [ 136.091132][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 40660 ms [ 136.100941][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 40660000 usecs ago [ 141.131148][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 45700 ms [ 141.141039][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 45700000 usecs ago [ 146.091144][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 50660 ms [ 146.100942][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 50660000 usecs ago [ 151.131132][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 55700 ms [ 151.140945][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 55700000 usecs ago [ 156.091177][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 60660 ms [ 156.101139][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 60670000 usecs ago [ 161.131124][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 65700 ms [ 161.141660][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 65710000 usecs ago [ 166.091161][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 70660 ms [ 166.101548][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 70670000 usecs ago [ 171.131124][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 75700 ms [ 171.140934][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 75700000 usecs ago [ 176.091196][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 80660 ms [ 176.101635][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 80670000 usecs ago [ 181.131118][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 85700 ms [ 181.141133][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 85710000 usecs ago [ 186.091114][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 90660 ms [ 186.101104][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 90670000 usecs ago [ 191.131113][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 95700 ms [ 191.140919][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 95700000 usecs ago [ 196.091109][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 100660 ms [ 196.101208][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 100670000 usecs ago [ 200.421058][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 200.427782][ C1] rcu: 1-....: (10503 ticks this GP) idle=0204/1/0x4000000000000000 softirq=15040/15042 fqs=5225 [ 200.438906][ C1] rcu: hardirqs softirqs csw/system [ 200.445951][ C1] rcu: number: 5420 0 0 [ 200.452385][ C1] rcu: cputime: 230 0 52127 ==> 52490(ms) [ 200.460213][ C1] rcu: (t=10500 jiffies g=10861 q=250 ncpus=2) [ 200.466726][ C1] CPU: 1 UID: 0 PID: 5843 Comm: syz-executor259 Not tainted 6.16.0-syzkaller #0 PREEMPT(full) [ 200.466742][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 200.466750][ C1] RIP: 0010:tipc_sk_lookup+0x232/0x920 [ 200.466789][ C1] Code: 89 64 24 30 48 89 74 24 28 48 8d 7a 08 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 48 89 54 24 08 0f 85 10 04 00 00 44 8b 62 08 <48> 89 d0 48 c1 e8 03 42 0f b6 04 30 84 c0 4d 89 f5 0f 85 1a 04 00 [ 200.466798][ C1] RSP: 0018:ffffc9000405e3e0 EFLAGS: 00000246 [ 200.466809][ C1] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88802f433c00 [ 200.466816][ C1] RDX: ffff888030df6000 RSI: 00000000cf94889a RDI: ffff888030df6008 [ 200.466824][ C1] RBP: ffffc9000405e4d0 R08: 0000000000000000 R09: ffffffff8b06bb58 [ 200.466831][ C1] R10: dffffc0000000000 R11: fffffbfff1f4167f R12: 00000000ce6f2e2d [ 200.466838][ C1] R13: ffff888030df6000 R14: dffffc0000000000 R15: ffff88814c9f114a [ 200.466846][ C1] FS: 00007f17486256c0(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000 [ 200.466855][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.466862][ C1] CR2: 00007f1748604d58 CR3: 000000007519c000 CR4: 00000000003526f0 [ 200.466874][ C1] Call Trace: [ 200.466880][ C1] [ 200.466887][ C1] ? __local_bh_enable_ip+0x12d/0x1c0 [ 200.466901][ C1] ? tipc_sk_lookup+0xb8/0x920 [ 200.466915][ C1] ? __local_bh_enable_ip+0x12d/0x1c0 [ 200.466926][ C1] ? __pfx_tipc_sk_lookup+0x10/0x10 [ 200.466945][ C1] tipc_sk_rcv+0x3f9/0x2ba0 [ 200.466960][ C1] ? is_bpf_text_address+0x26/0x2b0 [ 200.466982][ C1] ? is_bpf_text_address+0x26/0x2b0 [ 200.467005][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 200.467031][ C1] ? __raw_spin_lock_init+0x45/0x100 [ 200.467047][ C1] tipc_node_xmit+0x1c9/0xe90 [ 200.467059][ C1] ? tipc_sk_rcv+0x8a5/0x2ba0 [ 200.467071][ C1] ? tipc_node_xmit+0x1c9/0xe90 [ 200.467082][ C1] ? tipc_sk_backlog_rcv+0x1a1/0x230 [ 200.467096][ C1] ? __release_sock+0x24c/0x350 [ 200.467107][ C1] ? release_sock+0x5f/0x1f0 [ 200.467120][ C1] ? __fput+0x449/0xa70 [ 200.467132][ C1] ? task_work_run+0x1d1/0x260 [ 200.467146][ C1] ? ptrace_notify+0x281/0x2c0 [ 200.467155][ C1] ? syscall_exit_work+0xc6/0x1d0 [ 200.467165][ C1] ? __pfx_tipc_node_xmit+0x10/0x10 [ 200.467195][ C1] tipc_node_xmit_skb+0xf4/0x150 [ 200.467208][ C1] ? __pfx_tipc_node_xmit_skb+0x10/0x10 [ 200.467219][ C1] ? tipc_msg_reverse+0x6b5/0x8f0 [ 200.467238][ C1] ? trace_tipc_sk_rej_msg+0x9c/0x240 [ 200.467254][ C1] tipc_sk_rcv+0x29c4/0x2ba0 [ 200.467268][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 200.467290][ C1] ? kvm_sched_clock_read+0x11/0x20 [ 200.467300][ C1] ? local_clock_noinstr+0xc/0xe0 [ 200.467313][ C1] ? __lock_acquire+0xab9/0xd20 [ 200.467337][ C1] ? __lock_acquire+0xab9/0xd20 [ 200.467346][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 200.467372][ C1] ? __raw_spin_lock_init+0x45/0x100 [ 200.467388][ C1] tipc_node_xmit+0x1c9/0xe90 [ 200.467398][ C1] ? rcu_is_watching+0x15/0xb0 [ 200.467411][ C1] ? lock_release+0x4b/0x3e0 [ 200.467423][ C1] ? __pfx_tipc_node_xmit+0x10/0x10 [ 200.467434][ C1] ? __lock_acquire+0xab9/0xd20 [ 200.467460][ C1] tipc_sk_filter_rcv+0x12a0/0x30b0 [ 200.467502][ C1] ? __pfx_tipc_sk_filter_rcv+0x10/0x10 [ 200.467520][ C1] ? __local_bh_enable_ip+0x12d/0x1c0 [ 200.467541][ C1] tipc_sk_rcv+0x8a5/0x2ba0 [ 200.467554][ C1] ? tipc_msg_reverse+0x6b5/0x8f0 [ 200.467564][ C1] ? tipc_sk_filter_rcv+0x9df/0x30b0 [ 200.467578][ C1] ? tipc_sk_backlog_rcv+0x131/0x230 [ 200.467607][ C1] ? __release_sock+0x24c/0x350 [ 200.467618][ C1] ? task_work_run+0x1d1/0x260 [ 200.467632][ C1] ? ptrace_notify+0x281/0x2c0 [ 200.467642][ C1] ? do_syscall_64+0x2ad/0x3b0 [ 200.467671][ C1] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 200.467697][ C1] ? __raw_spin_lock_init+0x45/0x100 [ 200.467712][ C1] tipc_node_xmit+0x1c9/0xe90 [ 200.467724][ C1] ? tipc_sk_filter_rcv+0x2df5/0x30b0 [ 200.467743][ C1] ? __pfx_tipc_node_xmit+0x10/0x10 [ 200.467772][ C1] tipc_node_distr_xmit+0x2a0/0x3b0 [ 200.467789][ C1] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 200.467812][ C1] tipc_sk_backlog_rcv+0x1a1/0x230 [ 200.467830][ C1] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 200.467845][ C1] ? __local_bh_enable_ip+0x12d/0x1c0 [ 200.467865][ C1] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 200.467880][ C1] __release_sock+0x24c/0x350 [ 200.467896][ C1] release_sock+0x5f/0x1f0 [ 200.467912][ C1] tipc_release+0x16e2/0x2160 [ 200.467933][ C1] ? tipc_release+0xae8/0x2160 [ 200.467949][ C1] ? __pfx_tipc_release+0x10/0x10 [ 200.467963][ C1] ? down_write+0x162/0x1f0 [ 200.467976][ C1] ? __pfx_down_write+0x10/0x10 [ 200.467988][ C1] ? do_raw_spin_lock+0x121/0x290 [ 200.468003][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 200.468020][ C1] sock_close+0xc3/0x240 [ 200.468033][ C1] ? __pfx_sock_close+0x10/0x10 [ 200.468044][ C1] __fput+0x449/0xa70 [ 200.468064][ C1] task_work_run+0x1d1/0x260 [ 200.468081][ C1] ? __pfx_task_work_run+0x10/0x10 [ 200.468102][ C1] ptrace_notify+0x281/0x2c0 [ 200.468113][ C1] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 200.468129][ C1] ? __pfx_ptrace_notify+0x10/0x10 [ 200.468149][ C1] syscall_exit_work+0xc6/0x1d0 [ 200.468161][ C1] do_syscall_64+0x2ad/0x3b0 [ 200.468173][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 200.468183][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 200.468194][ C1] ? clear_bhb_loop+0x60/0xb0 [ 200.468207][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 200.468217][ C1] RIP: 0033:0x7f174866ca29 [ 200.468228][ C1] 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 [ 200.468237][ C1] RSP: 002b:00007f1748625218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 200.468247][ C1] RAX: 00000000000203a0 RBX: 00007f17486f8328 RCX: 00007f174866ca29 [ 200.468255][ C1] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 200.468261][ C1] RBP: 00007f17486f8320 R08: 0000000000000000 R09: 0000000000000000 [ 200.468268][ C1] R10: 00002000000003c0 R11: 0000000000000246 R12: 00007f17486c5470 [ 200.468275][ C1] R13: 0000200000002880 R14: 0000200000002720 R15: 0000200000002700 [ 200.468291][ C1] [ 201.131146][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 105700 ms [ 201.141144][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 105710000 usecs ago [ 206.091140][ C0] virtio_net virtio1 eth0: NETDEV WATCHDOG: CPU: 0: transmit queue 1 timed out 110660 ms [ 206.101035][ C0] virtio_net virtio1 eth0: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 110660000 usecs ago