hsr_addr_subst_dest: Unknown node ------------[ cut here ]------------ WARNING: CPU: 1 PID: 23288 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest.cold+0x45/0x4c net/hsr/hsr_framereg.c:313 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 23288 Comm: syz-executor.5 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:hsr_addr_subst_dest.cold+0x45/0x4c net/hsr/hsr_framereg.c:313 RSP: 0018:ffff88803b0276d8 EFLAGS: 00010286 RAX: 0000000000000021 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000012e5d RSI: ffffffff81441a30 RDI: ffffed1007604ed1 RBP: ffff88809396d202 R08: 0000000000000021 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000013c50000 R13: ffff88804a713360 R14: ffff88804a713360 R15: 000000000000c2f7 hsr_xmit net/hsr/hsr_forward.c:230 [inline] hsr_forward_do net/hsr/hsr_forward.c:295 [inline] hsr_forward_skb+0x103d/0x19c0 net/hsr/hsr_forward.c:373 hsr_dev_xmit+0x6b/0xa0 net/hsr/hsr_device.c:242 __netdev_start_xmit include/linux/netdevice.h:4051 [inline] netdev_start_xmit include/linux/netdevice.h:4060 [inline] xmit_one net/core/dev.c:3005 [inline] dev_hard_start_xmit+0x188/0x890 net/core/dev.c:3021 __dev_queue_xmit+0x1d7f/0x2480 net/core/dev.c:3521 packet_snd+0x1437/0x2470 net/packet/af_packet.c:3024 veth1_to_bond: Invalid MTU 0 requested, hw min 68 packet_sendmsg+0x11ad/0x2d70 net/packet/af_packet.c:3049 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 SYSC_sendto net/socket.c:1763 [inline] SyS_sendto+0x1c7/0x2c0 net/socket.c:1731 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f9f9145b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 000000000000fdfa RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffd002073bf R14: 00007f9f9145b300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..