------------[ cut here ]------------
hsr_addr_subst_dest: Unknown node
WARNING: CPU: 0 PID: 16604 at net/hsr/hsr_framereg.c:321 hsr_addr_subst_dest+0x36c/0x440 net/hsr/hsr_framereg.c:321
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 16604 Comm: syz-executor.0 Not tainted 5.6.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:hsr_addr_subst_dest+0x36c/0x440 net/hsr/hsr_framereg.c:321
Code: 89 de e8 d7 3c c1 f9 84 db 75 d4 e8 9e 3b c1 f9 48 c7 c6 20 a9 d9 88 48 c7 c7 e0 a7 d9 88 c6 05 9f 45 b0 02 01 e8 7c 4c 93 f9 <0f> 0b eb b1 e8 7b 3b c1 f9 0f b6 1d 8b 45 b0 02 31 ff 89 de e8 9b
RSP: 0018:ffffc90001527620 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000c928 RSI: ffffffff815c06c1 RDI: fffff520002a4eb6
RBP: 0000000009001fe5 R08: ffff8880a68121c0 R09: ffffed1015cc6659
R10: ffffed1015cc6658 R11: ffff8880ae6332c7 R12: 00000000090007f4
R13: ffff8880699e8ba0 R14: 0000000000001e04 R15: ffff8880699e8ba0
 hsr_xmit net/hsr/hsr_forward.c:221 [inline]
 hsr_forward_do net/hsr/hsr_forward.c:285 [inline]
 hsr_forward_skb+0x134b/0x1d00 net/hsr/hsr_forward.c:361
 hsr_dev_xmit+0x78/0xd0 net/hsr/hsr_device.c:232
 __netdev_start_xmit include/linux/netdevice.h:4523 [inline]
 netdev_start_xmit include/linux/netdevice.h:4537 [inline]
 xmit_one net/core/dev.c:3477 [inline]
 dev_hard_start_xmit+0x1a4/0x9b0 net/core/dev.c:3493
 __dev_queue_xmit+0x25e1/0x30a0 net/core/dev.c:4052
 packet_snd net/packet/af_packet.c:2979 [inline]
 packet_sendmsg+0x23cc/0x5ce0 net/packet/af_packet.c:3004
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 sock_write_iter+0x283/0x3c0 net/socket.c:1004
 call_write_iter include/linux/fs.h:1902 [inline]
 new_sync_write+0x49c/0x700 fs/read_write.c:483
 __vfs_write+0xc9/0x100 fs/read_write.c:496
 vfs_write+0x262/0x5c0 fs/read_write.c:558
 ksys_write+0x1e8/0x250 fs/read_write.c:611
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x270/0xe8f arch/x86/entry/common.c:408
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
Kernel Offset: disabled
Rebooting in 86400 seconds..