hsr_addr_subst_dest: Unknown node
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8232 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest.cold+0x45/0x4c syzkaller/managers/linux-4-14/kernel/net/hsr/hsr_framereg.c:313
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8232 Comm: syz-executor099 Not tainted 4.14.218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack syzkaller/managers/linux-4-14/kernel/lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 syzkaller/managers/linux-4-14/kernel/lib/dump_stack.c:58
 panic+0x1f9/0x42d syzkaller/managers/linux-4-14/kernel/kernel/panic.c:183
 __warn.cold+0x20/0x44 syzkaller/managers/linux-4-14/kernel/kernel/panic.c:547
 report_bug+0x208/0x250 syzkaller/managers/linux-4-14/kernel/lib/bug.c:186
 fixup_bug syzkaller/managers/linux-4-14/kernel/arch/x86/kernel/traps.c:177 [inline]
 fixup_bug syzkaller/managers/linux-4-14/kernel/arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 syzkaller/managers/linux-4-14/kernel/arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/entry_64.S:964
RIP: 0010:hsr_addr_subst_dest.cold+0x45/0x4c syzkaller/managers/linux-4-14/kernel/net/hsr/hsr_framereg.c:313
RSP: 0018:ffff888096f9f6d8 EFLAGS: 00010286
RAX: 0000000000000021 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff878bbb40 RDI: ffffed1012df3ed1
RBP: ffff8880a882fd42 R08: 0000000000000021 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000085830a48
R13: ffff8880b2c2f2a0 R14: ffff8880b2c2f2a0 R15: 000000000000a943
 hsr_xmit syzkaller/managers/linux-4-14/kernel/net/hsr/hsr_forward.c:230 [inline]
 hsr_forward_do syzkaller/managers/linux-4-14/kernel/net/hsr/hsr_forward.c:295 [inline]
 hsr_forward_skb+0x103d/0x19c0 syzkaller/managers/linux-4-14/kernel/net/hsr/hsr_forward.c:373
 hsr_dev_xmit+0x6b/0xa0 syzkaller/managers/linux-4-14/kernel/net/hsr/hsr_device.c:242
 __netdev_start_xmit syzkaller/managers/linux-4-14/kernel/./include/linux/netdevice.h:4039 [inline]
 netdev_start_xmit syzkaller/managers/linux-4-14/kernel/./include/linux/netdevice.h:4048 [inline]
 xmit_one syzkaller/managers/linux-4-14/kernel/net/core/dev.c:3005 [inline]
 dev_hard_start_xmit+0x188/0x890 syzkaller/managers/linux-4-14/kernel/net/core/dev.c:3021
 __dev_queue_xmit+0x1d7f/0x2480 syzkaller/managers/linux-4-14/kernel/net/core/dev.c:3521
 packet_snd+0x1393/0x21e0 syzkaller/managers/linux-4-14/kernel/net/packet/af_packet.c:3024
 packet_sendmsg+0x1139/0x2ad0 syzkaller/managers/linux-4-14/kernel/net/packet/af_packet.c:3049
 sock_sendmsg_nosec syzkaller/managers/linux-4-14/kernel/net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 syzkaller/managers/linux-4-14/kernel/net/socket.c:656
 SYSC_sendto syzkaller/managers/linux-4-14/kernel/net/socket.c:1763 [inline]
 SyS_sendto+0x1c7/0x2c0 syzkaller/managers/linux-4-14/kernel/net/socket.c:1731
 do_syscall_64+0x1d5/0x640 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x443819
RSP: 002b:00007fffdba27968 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443819
RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00000000200002c0 R09: 0000000000000014
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffdba27990
R13: 00000000000f4240 R14: 0000000000007cdc R15: 00007fffdba27984
Kernel Offset: disabled
Rebooting in 86400 seconds..