./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1251898252 <...> DUID 00:04:64:fe:60:40:6b:21:45:e2:2b:76:87:02:d2:43:fb:60 forked to background, child pid 3189 [ 25.972836][ T3190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 25.982653][ T3190] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. execve("./syz-executor1251898252", ["./syz-executor1251898252"], 0x7fff773d30e0 /* 10 vars */) = 0 brk(NULL) = 0x555557084000 brk(0x555557084c40) = 0x555557084c40 arch_prctl(ARCH_SET_FS, 0x555557084300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555570845d0) = 3610 set_robust_list(0x5555570845e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f044561fbe0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f04456202b0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f044561fc80, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f04456202b0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1251898252", 4096) = 28 brk(0x5555570a5c40) = 0x5555570a5c40 brk(0x5555570a6000) = 0x5555570a6000 mprotect(0x7f04456e1000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 getpid() = 3610 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 write(3, "0 65535", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3610", 4) = 4 close(3) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=680, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3610}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x25\x00\x00\x00\x48\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 680 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3610}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3610}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3610}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3610}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3610}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3610}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 getpid() = 3610 mkdir("./syzkaller.uE9t4b", 0700) = 0 chmod("./syzkaller.uE9t4b", 0777) = 0 chdir("./syzkaller.uE9t4b") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570845d0) = 3612 ./strace-static-x86_64: Process 3612 attached [pid 3612] set_robust_list(0x5555570845e0, 24) = 0 [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setsid() = 1 [pid 3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3612] unshare(CLONE_NEWNS) = 0 [pid 3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3612] unshare(CLONE_NEWIPC) = 0 [pid 3612] unshare(CLONE_NEWCGROUP) = 0 [pid 3612] unshare(CLONE_NEWUTS) = 0 [pid 3612] unshare(CLONE_SYSVSEM) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "16777216", 8) = 8 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "536870912", 9) = 9 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "8192", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3612] close(3) = 0 [pid 3612] getpid() = 1 [pid 3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3614] set_robust_list(0x7f044560f9e0, 24) = 0 [pid 3614] openat(AT_FDCWD, "/dev/net/tun", O_RDONLY) = 3 [pid 3614] futex(0x7f04456e74cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f04456e74c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f04456e74cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] ioctl(3, TUNSETIFF, 0x20000200) = 0 [pid 3614] futex(0x7f04456e74cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f04456e74c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f04456e74cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... futex resumed>) = 1 [pid 3614] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3614] futex(0x7f04456e74cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f04456e74c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f04456e74cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... futex resumed>) = 1 [pid 3614] socket(AF_PACKET, SOCK_DGRAM, htons(ETH_P_ALL)) = 5 [pid 3614] futex(0x7f04456e74cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f04456e74c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f04456e74cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... futex resumed>) = 1 [pid 3614] ioctl(5, SIOCGIFINDEX, {ifr_name="rose0", ifr_ifindex=11}) = 0 [pid 3614] futex(0x7f04456e74cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f04456e74c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f04456e74cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... futex resumed>) = 1 [pid 3614] ioctl(3, TUNSETQUEUE, 0x20000340) = 0 [pid 3614] futex(0x7f04456e74cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... futex resumed>) = 0 [pid 3612] futex(0x7f04456e74c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] futex(0x7f04456e74cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... futex resumed>) = 1 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x34\x00\x00\x00\x11\x00\x01\xe9\x0d\x7d\x1f\xc7\x4e\x1b\xed\x42\xec\x45\xb2\xfc\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=53}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3612] futex(0x7f04456e74cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3612] futex(0x7f04456e74dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f04455ce000 [pid 3612] mprotect(0x7f04455cf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3612] clone(child_stack=0x7f04455ee3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3615 attached , parent_tid=[3], tls=0x7f04455ee700, child_tidptr=0x7f04455ee9d0) = 3 [pid 3612] futex(0x7f04456e74d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3615] set_robust_list(0x7f04455ee9e0, 24 [pid 3612] futex(0x7f04456e74dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] <... set_robust_list resumed>) = 0 syzkaller login: [ 49.581507][ T3614] netlink: 20 bytes leftover after parsing attributes in process `syz-executor125'. [pid 3615] ioctl(3, TUNSETIFF, 0x20000200 [pid 3614] <... sendmsg resumed>) = 53 [pid 3614] futex(0x7f04456e74cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3614] futex(0x7f04456e74c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 49.636598][ T3615] ------------[ cut here ]------------ [ 49.636606][ T3615] WARNING: CPU: 0 PID: 3615 at net/core/dev.c:6374 netif_napi_add_weight+0x8de/0xb00 [ 49.652134][ T3615] Modules linked in: [ 49.656355][ T3615] CPU: 1 PID: 3615 Comm: syz-executor125 Not tainted 5.19.0-rc2-syzkaller-00312-g4875d94c69d5 #0 [ 49.666982][ T3615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.677165][ T3615] RIP: 0010:netif_napi_add_weight+0x8de/0xb00 [pid 3612] futex(0x7f04456e74dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [ 49.683260][ T3615] Code: 08 84 c0 0f 85 b5 00 00 00 48 8b 04 24 80 a0 b1 0b 00 00 fd e9 6c fd ff ff e8 6e 01 27 fa 0f 0b e9 98 fc ff ff e8 62 01 27 fa <0f> 0b e9 54 fd ff ff e8 f6 c5 73 fa e9 40 fe ff ff e8 dc c5 73 fa [ 49.703041][ T3615] RSP: 0018:ffffc9000311fb18 EFLAGS: 00010293 [ 49.709234][ T3615] RAX: 0000000000000000 RBX: ffff888022180000 RCX: 0000000000000000 [ 49.717369][ T3615] RDX: ffff88807f4c3b00 RSI: ffffffff8753709e RDI: 0000000000000001 [ 49.725523][ T3615] RBP: ffff8880221805e8 R08: 0000000000000001 R09: 0000000000000000 [ 49.733524][ T3615] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078a68001 [ 49.741641][ T3615] R13: ffff8880221805d8 R14: ffff888078a68c80 R15: 0000000000000000 [ 49.749791][ T3615] FS: 00007f04455ee700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.759347][ T3615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.766102][ T3615] CR2: 000055f1d62048f0 CR3: 000000001c5da000 CR4: 00000000003506e0 [ 49.774806][ T3615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.782814][ T3615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.791163][ T3615] Call Trace: [ 49.794545][ T3615] [ 49.797499][ T3615] ? owner_show+0x130/0x130 [ 49.802051][ T3615] tun_attach.isra.0+0x1096/0x16c0 [ 49.807333][ T3615] tun_net_init+0x45e/0x660 [ 49.811861][ T3615] ? tun_attach.isra.0+0x16c0/0x16c0 [ 49.817571][ T3615] register_netdevice+0x57d/0x15b0 [ 49.825263][ T3615] ? netdev_change_features+0xb0/0xb0 [ 49.830836][ T3615] ? dev_addr_mod+0x2c9/0x3f0 [ 49.836256][ T3615] __tun_chr_ioctl+0x2a19/0x3da0 [ 49.841618][ T3615] ? tun_chr_read_iter+0x270/0x270 [ 49.847255][ T3615] ? calibrate_delay+0xd83/0x1120 [ 49.852600][ T3615] ? __fget_files+0x26a/0x440 [ 49.858308][ T3615] ? bpf_lsm_file_ioctl+0x5/0x10 [ 49.863660][ T3615] ? tun_chr_compat_ioctl+0x30/0x30 [ 49.869360][ T3615] __x64_sys_ioctl+0x193/0x200 [ 49.874415][ T3615] do_syscall_64+0x35/0xb0 [ 49.878869][ T3615] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [pid 3612] exit_group(1 [pid 3614] <... futex resumed>) = ? [pid 3612] <... exit_group resumed>) = ? [pid 3614] +++ exited with 1 +++ [ 49.884867][ T3615] RIP: 0033:0x7f0445665ad9 [ 49.889386][ T3615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 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 b8 ff ff ff f7 d8 64 89 01 48 [ 49.909227][ T3615] RSP: 002b:00007f04455ee308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.917790][ T3615] RAX: ffffffffffffffda RBX: 00007f04456e74d8 RCX: 00007f0445665ad9 [ 49.925939][ T3615] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003 [ 49.933910][ T3615] RBP: 00007f04456e74d0 R08: 00007f04455ee700 R09: 0000000000000000 [ 49.941962][ T3615] R10: 00007f04455ee700 R11: 0000000000000246 R12: 00007f04456e74dc [ 49.950163][ T3615] R13: 00007f04456b4360 R14: 74656e2f7665642f R15: 0000000000022000 [ 49.958265][ T3615] [ 49.961299][ T3615] Kernel panic - not syncing: panic_on_warn set ... [ 49.967900][ T3615] CPU: 0 PID: 3615 Comm: syz-executor125 Not tainted 5.19.0-rc2-syzkaller-00312-g4875d94c69d5 #0 [ 49.978414][ T3615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.988464][ T3615] Call Trace: [ 49.991825][ T3615] [ 49.994846][ T3615] dump_stack_lvl+0xcd/0x134 [ 49.999447][ T3615] panic+0x2d7/0x636 [ 50.003370][ T3615] ? panic_print_sys_info.part.0+0x10b/0x10b [ 50.009378][ T3615] ? __warn.cold+0x1d9/0x2cd [ 50.013968][ T3615] ? netif_napi_add_weight+0x8de/0xb00 [ 50.019447][ T3615] __warn.cold+0x1ea/0x2cd [ 50.023879][ T3615] ? netif_napi_add_weight+0x8de/0xb00 [ 50.029353][ T3615] report_bug+0x1bc/0x210 [ 50.033703][ T3615] handle_bug+0x3c/0x60 [ 50.037871][ T3615] exc_invalid_op+0x14/0x40 [ 50.042386][ T3615] asm_exc_invalid_op+0x1b/0x20 [ 50.047242][ T3615] RIP: 0010:netif_napi_add_weight+0x8de/0xb00 [ 50.053319][ T3615] Code: 08 84 c0 0f 85 b5 00 00 00 48 8b 04 24 80 a0 b1 0b 00 00 fd e9 6c fd ff ff e8 6e 01 27 fa 0f 0b e9 98 fc ff ff e8 62 01 27 fa <0f> 0b e9 54 fd ff ff e8 f6 c5 73 fa e9 40 fe ff ff e8 dc c5 73 fa [ 50.072945][ T3615] RSP: 0018:ffffc9000311fb18 EFLAGS: 00010293 [ 50.079041][ T3615] RAX: 0000000000000000 RBX: ffff888022180000 RCX: 0000000000000000 [ 50.087042][ T3615] RDX: ffff88807f4c3b00 RSI: ffffffff8753709e RDI: 0000000000000001 [ 50.095378][ T3615] RBP: ffff8880221805e8 R08: 0000000000000001 R09: 0000000000000000 [ 50.103442][ T3615] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078a68001 [ 50.111430][ T3615] R13: ffff8880221805d8 R14: ffff888078a68c80 R15: 0000000000000000 [ 50.119591][ T3615] ? netif_napi_add_weight+0x8de/0xb00 [ 50.125076][ T3615] ? netif_napi_add_weight+0x8de/0xb00 [ 50.130548][ T3615] ? owner_show+0x130/0x130 [ 50.135059][ T3615] tun_attach.isra.0+0x1096/0x16c0 [ 50.140281][ T3615] tun_net_init+0x45e/0x660 [ 50.144877][ T3615] ? tun_attach.isra.0+0x16c0/0x16c0 [ 50.150227][ T3615] register_netdevice+0x57d/0x15b0 [ 50.155368][ T3615] ? netdev_change_features+0xb0/0xb0 [ 50.160748][ T3615] ? dev_addr_mod+0x2c9/0x3f0 [ 50.165447][ T3615] __tun_chr_ioctl+0x2a19/0x3da0 [ 50.170403][ T3615] ? tun_chr_read_iter+0x270/0x270 [ 50.175527][ T3615] ? calibrate_delay+0xd83/0x1120 [ 50.180569][ T3615] ? __fget_files+0x26a/0x440 [ 50.185278][ T3615] ? bpf_lsm_file_ioctl+0x5/0x10 [ 50.190231][ T3615] ? tun_chr_compat_ioctl+0x30/0x30 [ 50.195445][ T3615] __x64_sys_ioctl+0x193/0x200 [ 50.200235][ T3615] do_syscall_64+0x35/0xb0 [ 50.204662][ T3615] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 50.210581][ T3615] RIP: 0033:0x7f0445665ad9 [ 50.215000][ T3615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 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 b8 ff ff ff f7 d8 64 89 01 48 [ 50.234629][ T3615] RSP: 002b:00007f04455ee308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.243084][ T3615] RAX: ffffffffffffffda RBX: 00007f04456e74d8 RCX: 00007f0445665ad9 [ 50.251081][ T3615] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003 [ 50.259059][ T3615] RBP: 00007f04456e74d0 R08: 00007f04455ee700 R09: 0000000000000000 [ 50.267036][ T3615] R10: 00007f04455ee700 R11: 0000000000000246 R12: 00007f04456e74dc [ 50.275052][ T3615] R13: 00007f04456b4360 R14: 74656e2f7665642f R15: 0000000000022000 [ 50.283131][ T3615] [ 50.286386][ T3615] Kernel Offset: disabled [ 50.290783][ T3615] Rebooting in 86400 seconds..