skbuff: skb_under_panic: text:ffffffff8a410625 len:116 put:40 head:ffff88810b9d8000 data:ffff88810b9d7fe8 tail:0x5c end:0x6c0 dev:bond4
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:213!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5714 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: mld mld_ifc_work
RIP: 0010:skb_panic+0x157/0x160
Code: c7 a0 97 97 8c 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 55 41 57 41 56 e8 9e 5b f5 ff 48 83 c4 20 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900070b72e0 EFLAGS: 00010282
RAX: 0000000000000087 RBX: dffffc0000000000 RCX: c8366106ec2a7600
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 00000000000006c0 R08: ffffc900070b6fe7 R09: 1ffff92000e16dfc
R10: dffffc0000000000 R11: fffff52000e16dfd R12: ffff888112add510
R13: ffff88810b9d8000 R14: ffff88810b9d7fe8 R15: 000000000000005c
FS:  0000000000000000(0000) GS:ffff88818e448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9261d86d58 CR3: 000000010bd72000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 skb_push+0xc3/0xe0
 ip6gre_header+0xd5/0x7e0
 neigh_connected_output+0x28c/0x470
 ip6_finish_output2+0x1107/0x1460
 ip6_output+0x337/0x540
 NF_HOOK+0xa2/0x3a0
 mld_sendpack+0x890/0xe10
 mld_ifc_work+0x839/0xe70
 process_scheduled_works+0xa2f/0x1470
 worker_thread+0xe79/0x1460
 kthread+0x787/0x910
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x157/0x160
Code: c7 a0 97 97 8c 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 55 41 57 41 56 e8 9e 5b f5 ff 48 83 c4 20 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900070b72e0 EFLAGS: 00010282
RAX: 0000000000000087 RBX: dffffc0000000000 RCX: c8366106ec2a7600
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 00000000000006c0 R08: ffffc900070b6fe7 R09: 1ffff92000e16dfc
R10: dffffc0000000000 R11: fffff52000e16dfd R12: ffff888112add510
R13: ffff88810b9d8000 R14: ffff88810b9d7fe8 R15: 000000000000005c
FS:  0000000000000000(0000) GS:ffff88818e448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff8694dc1c CR3: 000000010e686000 CR4: 00000000000006f0
