IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 ------------[ cut here ]------------ net/hsr/hsr_forward.c:366: Malformed frame (port_src hsr0) WARNING: CPU: 1 PID: 7845 at net/hsr/hsr_forward.c:365 hsr_forward_skb+0x122f/0x1c10 net/hsr/hsr_forward.c:365 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7845 Comm: syz-executor293 Not tainted 4.19.90-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+0x197/0x210 lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x53 kernel/panic.c:541 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037 RIP: 0010:hsr_forward_skb+0x122f/0x1c10 net/hsr/hsr_forward.c:365 Code: fb ff ff e8 13 32 29 fa 4c 89 e9 ba 6e 01 00 00 48 c7 c6 20 23 68 88 48 c7 c7 60 23 68 88 c6 05 6c 73 84 02 01 e8 2f c2 fc f9 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 RSP: 0018:ffff888095d3f8d8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8155bb16 RDI: ffffed1012ba7f0d RBP: ffff888095d3f978 R08: ffff88809e9fe480 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a8f91d40 R13: ffff8880938263c0 R14: ffff88809020d180 R15: ffff88809020d190 hsr_dev_xmit+0x72/0xa0 net/hsr/hsr_device.c:242 __netdev_start_xmit include/linux/netdevice.h:4303 [inline] netdev_start_xmit include/linux/netdevice.h:4312 [inline] dev_direct_xmit+0x34d/0x650 net/core/dev.c:3909 packet_direct_xmit+0xf9/0x170 net/packet/af_packet.c:246 packet_snd net/packet/af_packet.c:2957 [inline] packet_sendmsg+0x3bb2/0x6440 net/packet/af_packet.c:2982 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 __sys_sendto+0x262/0x380 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442099 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffdd391fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442099 RDX: 000000000000000e RSI: 0000000020000100 RDI: 0000000000000003 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000403610 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..