skbuff: skb_under_panic: text:ffffffff8a13dfd7 len:830262932 put:830262836 head:ffff888052f06000 data:ffff88802173928c 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: 5365 Comm: kworker/0:5 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+0x157/0x160 net/core/skbuff.c:211
Code: c7 00 14 94 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 8e 0c 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:ffffc9000d4c7418 EFLAGS: 00010286
RAX: 0000000000000095 RBX: dffffc0000000000 RCX: 14f993582639e300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 00000000000006c0 R08: ffffc9000d4c7127 R09: 1ffff92001a98e24
R10: dffffc0000000000 R11: fffff52001a98e25 R12: ffff8880429d8650
R13: ffff888052f06000 R14: ffff88802173928c R15: 0000000000000120
FS:  0000000000000000(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2f6a19fb8 CR3: 0000000000f9f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 skb_under_panic net/core/skbuff.c:221 [inline]
 skb_push+0xc3/0xe0 net/core/skbuff.c:2601
 ipgre_header+0x67/0x290 net/ipv4/ip_gre.c:895
 dev_hard_header include/linux/netdevice.h:3415 [inline]
 neigh_connected_output+0x283/0x460 net/core/neighbour.c:1619
 neigh_output include/net/neighbour.h:547 [inline]
 ip6_finish_output2+0x11fe/0x16a0 net/ipv6/ip6_output.c:141
 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline]
 ip6_finish_output+0x234/0x7d0 net/ipv6/ip6_output.c:226
 NF_HOOK+0x9e/0x380 include/linux/netfilter.h:318
 mld_sendpack+0x800/0xd80 net/ipv6/mcast.c:1860
 mld_send_cr net/ipv6/mcast.c:2159 [inline]
 mld_ifc_work+0x83e/0xd60 net/ipv6/mcast.c:2698
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x436/0x7d0 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+0x157/0x160 net/core/skbuff.c:211
Code: c7 00 14 94 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 8e 0c 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:ffffc9000d4c7418 EFLAGS: 00010286
RAX: 0000000000000095 RBX: dffffc0000000000 RCX: 14f993582639e300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 00000000000006c0 R08: ffffc9000d4c7127 R09: 1ffff92001a98e24
R10: dffffc0000000000 R11: fffff52001a98e25 R12: ffff8880429d8650
R13: ffff888052f06000 R14: ffff88802173928c R15: 0000000000000120
FS:  0000000000000000(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2f6a19fb8 CR3: 0000000000f9f000 CR4: 0000000000352ef0