net/hsr/hsr_forward.c:367: Malformed frame (port_src hsr0) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9989 at net/hsr/hsr_forward.c:366 hsr_forward_skb.cold+0x27/0xef net/hsr/hsr_forward.c:366 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9989 Comm: syz-executor.2 Not tainted 4.14.304-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 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:967 RIP: 0010:hsr_forward_skb.cold+0x27/0xef net/hsr/hsr_forward.c:366 RSP: 0018:ffff8880489d7890 EFLAGS: 00010282 RAX: 000000000000003a RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000e635 RSI: ffffffff81444260 RDI: ffffed100913af08 RBP: ffff8880ab9da700 R08: 000000000000003a R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888054020d80 R13: ffff8880b174eb00 R14: ffff8880b174eb10 R15: ffff8880ab9da7d0 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/0x26f0 net/packet/af_packet.c:3031 packet_sendmsg+0x12ed/0x33a0 net/packet/af_packet.c:3060 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+0x5e/0xd3 RIP: 0033:0x7f0025be50c9 RSP: 002b:00007f0024157168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f0025d04f80 RCX: 00007f0025be50c9 RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000003 RBP: 00007f0025c40ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc18d3427f R14: 00007f0024157300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..