skbuff: skb_under_panic: text:ffffffff8a218fd8 len:1199726220 put:1199726124 head:ffff88805579e000 data:ffff88800df78294 tail:0x120 end:0x6c0 dev:team0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:211!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 8662 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: mld mld_ifc_work
RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:211
Code: b6 04 01 84 c0 74 04 3c 03 7e 21 41 56 8b 4b 70 45 89 e8 48 c7 c7 60 ae e4 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 fa 36 34 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 14 e1 bb f8 4c
RSP: 0000:ffffc90006bdf830 EFLAGS: 00010282
RAX: 0000000000000097 RBX: ffff888050a7fcc0 RCX: ffffffff819a4bc9
RDX: 0000000000000000 RSI: ffffffff819aca66 RDI: 0000000000000005
RBP: ffffffff8ce4c220 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8a218fd8
R13: 0000000047825e2c R14: ffff888055fd0120 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff8880d66bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c411b5c CR3: 00000000332a7000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 skb_under_panic net/core/skbuff.c:221 [inline]
 skb_push+0xca/0xf0 net/core/skbuff.c:2601
 ipgre_header+0x68/0x530 net/ipv4/ip_gre.c:895
 dev_hard_header include/linux/netdevice.h:3415 [inline]
 neigh_connected_output+0x366/0x620 net/core/neighbour.c:1619
 neigh_output include/net/neighbour.h:547 [inline]
 ip6_finish_output2+0xaeb/0x2020 net/ipv6/ip6_output.c:141
 __ip6_finish_output+0x3cd/0x1010 net/ipv6/ip6_output.c:215
 ip6_finish_output net/ipv6/ip6_output.c:226 [inline]
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x1ca/0x3e0 net/ipv6/ip6_output.c:248
 dst_output include/net/dst.h:461 [inline]
 NF_HOOK include/linux/netfilter.h:318 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 mld_sendpack+0x9ea/0x1270 net/ipv6/mcast.c:1860
 mld_send_cr net/ipv6/mcast.c:2159 [inline]
 mld_ifc_work+0x740/0xbf0 net/ipv6/mcast.c:2698
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:211
Code: b6 04 01 84 c0 74 04 3c 03 7e 21 41 56 8b 4b 70 45 89 e8 48 c7 c7 60 ae e4 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 fa 36 34 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 14 e1 bb f8 4c
RSP: 0000:ffffc90006bdf830 EFLAGS: 00010282
RAX: 0000000000000097 RBX: ffff888050a7fcc0 RCX: ffffffff819a4bc9
RDX: 0000000000000000 RSI: ffffffff819aca66 RDI: 0000000000000005
RBP: ffffffff8ce4c220 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8a218fd8
R13: 0000000047825e2c R14: ffff888055fd0120 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff8880d66bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c411b5c CR3: 000000003432d000 CR4: 0000000000352ef0