x_tables: ip_tables: ah match: only valid for protocol 51
net/hsr/hsr_forward.c:366: Malformed frame (port_src hsr0)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10374 at net/hsr/hsr_forward.c:365 hsr_forward_skb.cold+0xa7/0xef net/hsr/hsr_forward.c:365
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 10374 Comm: syz-executor.5 Not tainted 4.14.276-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:183
 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_forward_skb.cold+0xa7/0xef net/hsr/hsr_forward.c:365
RSP: 0018:ffff88804de17890 EFLAGS: 00010282
RAX: 000000000000003a RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000f459 RSI: ffffffff81443120 RDI: ffffed1009bc2f08
RBP: ffff888099d68bc0 R08: 000000000000003a R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809151c7c0
R13: ffff88809b039000 R14: ffff88809b039010 R15: ffff888099d68c90
 hsr_dev_xmit+0x6b/0xa0 net/hsr/hsr_device.c:242
 __netdev_start_xmit include/linux/netdevice.h:4054 [inline]
 netdev_start_xmit include/linux/netdevice.h:4063 [inline]
 packet_direct_xmit+0x410/0x610 net/packet/af_packet.c:269
 packet_snd+0x13aa/0x2700 net/packet/af_packet.c:3031
 packet_sendmsg+0x12ed/0x3360 net/packet/af_packet.c:3056
 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: 0033:0x7f81b251f0e9
RSP: 002b:00007f81b0e94168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f81b2631f60 RCX: 00007f81b251f0e9
RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f81b257908d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc5e6d0cf R14: 00007f81b0e94300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..