IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready ------------[ cut here ]------------ net/hsr/hsr_forward.c:366: Malformed frame (port_src hsr0) WARNING: CPU: 1 PID: 8109 at net/hsr/hsr_forward.c:365 hsr_forward_skb+0x1238/0x1c30 net/hsr/hsr_forward.c:365 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8109 Comm: syz-executor243 Not tainted 4.19.177-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+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 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+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:hsr_forward_skb+0x1238/0x1c30 net/hsr/hsr_forward.c:365 Code: fb ff ff e8 1a 12 7a f9 4c 89 e1 ba 6e 01 00 00 48 c7 c6 e0 62 70 89 48 c7 c7 20 63 70 89 c6 05 44 3b 26 03 01 e8 4d 7b 07 00 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 RSP: 0018:ffff888095197938 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814de301 RDI: ffffed1012a32f19 RBP: ffff8880aad3d340 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b0d1a740 R13: ffff8880aa47be00 R14: ffff8880aa47be10 R15: ffff8880aad3d340 hsr_dev_xmit+0x6b/0xa0 net/hsr/hsr_device.c:242 __netdev_start_xmit include/linux/netdevice.h:4335 [inline] netdev_start_xmit include/linux/netdevice.h:4349 [inline] dev_direct_xmit+0x3f9/0x6d0 net/core/dev.c:3905 packet_snd net/packet/af_packet.c:2988 [inline] packet_sendmsg+0x2474/0x6b00 net/packet/af_packet.c:3013 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 __sys_sendto+0x21a/0x320 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1795 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4431a9 Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd81596698 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007ffd815966b8 RCX: 00000000004431a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000020000100 R09: 0000000000000014 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd815966c0 R13: 00007ffd815966e0 R14: 00000000004b8018 R15: 00000000004004b8 Kernel Offset: disabled Rebooting in 86400 seconds..