------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:2304!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6606 Comm: kworker/0:10 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:pskb_expand_head+0x114d/0x1190
Code: f8 e9 e6 f3 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 45 f4 ff ff 4c 89 ff e8 9e c4 e0 f8 e9 38 f4 ff ff e8 d4 cc 79 f8 90 <0f> 0b e8 cc cc 79 f8 90 0f 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f
RSP: 0018:ffffc90003457508 EFLAGS: 00010293
RAX: ffffffff8948b4ac RBX: ffff8881b2ecc000 RCX: ffff88810a383a80
RDX: 0000000000000000 RSI: 00000000937e1b30 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000060
R10: dffffc0000000000 R11: ffffffff8a045f50 R12: dffffc0000000000
R13: 0000000000000820 R14: 00000000937e1b30 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff88818e329000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002284c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ipgre_header+0xd5/0x350
 neigh_connected_output+0x286/0x460
 ip6_output+0x340/0x550
 NF_HOOK+0xa2/0x3a0
 mld_sendpack+0x8b4/0xe40
 mld_ifc_work+0x83e/0xd60
 process_scheduled_works+0xaec/0x17a0
 worker_thread+0x89f/0xd90
 kthread+0x726/0x8b0
 ret_from_fork+0x51b/0xa40
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pskb_expand_head+0x114d/0x1190
Code: f8 e9 e6 f3 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 45 f4 ff ff 4c 89 ff e8 9e c4 e0 f8 e9 38 f4 ff ff e8 d4 cc 79 f8 90 <0f> 0b e8 cc cc 79 f8 90 0f 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f
RSP: 0018:ffffc90003457508 EFLAGS: 00010293
RAX: ffffffff8948b4ac RBX: ffff8881b2ecc000 RCX: ffff88810a383a80
RDX: 0000000000000000 RSI: 00000000937e1b30 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000060
R10: dffffc0000000000 R11: ffffffff8a045f50 R12: dffffc0000000000
R13: 0000000000000820 R14: 00000000937e1b30 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff88818e329000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f038c3d4ff8 CR3: 0000000173c3a000 CR4: 00000000000006f0
