skbuff: skb_under_panic: text:ffffffff89fb97d8 len:-1782617904 put:-1782617980 head:ffff8880133bc000 data:ffff887f7d7c57bc tail:0x8c end:0x6c0 dev:bond1
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:213!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 6052 Comm: kworker/u32:14 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: bond1 bond_resend_igmp_join_requests_delayed
RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:213
Code: b6 04 01 84 c0 74 04 3c 03 7e 21 41 56 8b 4b 70 45 89 e8 48 c7 c7 20 cd c2 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 4a 24 60 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 44 59 eb f8 4c
RSP: 0018:ffffc90006747640 EFLAGS: 00010282
RAX: 0000000000000098 RBX: ffff88807406ba40 RCX: ffffffff819c1865
RDX: 0000000000000000 RSI: ffffffff819c9449 RDI: 0000000000000005
RBP: ffffffff8cc2e020 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: ffff8880211f2ff0 R12: ffffffff89fb97d8
R13: 0000000095bf6884 R14: ffff888024c44120 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff8880976fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000080000200 CR3: 000000004a948000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 skb_under_panic net/core/skbuff.c:223 [inline]
 skb_push+0xca/0xf0 net/core/skbuff.c:2641
 ipgre_header+0x68/0x530 net/ipv4/ip_gre.c:895
 dev_hard_header include/linux/netdevice.h:3436 [inline]
 neigh_connected_output+0x366/0x620 net/core/neighbour.c:1618
 neigh_output include/net/neighbour.h:556 [inline]
 ip6_finish_output2+0xad1/0x1cf0 net/ipv6/ip6_output.c:136
 __ip6_finish_output+0x3cd/0x1010 net/ipv6/ip6_output.c:209
 ip6_finish_output net/ipv6/ip6_output.c:220 [inline]
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x253/0x710 net/ipv6/ip6_output.c:247
 dst_output+0xa8/0x4b0 include/net/dst.h:464
 NF_HOOK include/linux/netfilter.h:318 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 mld_sendpack+0xa30/0xed0 net/ipv6/mcast.c:1855
 mld_send_report+0xd7/0x3c0 net/ipv6/mcast.c:2061
 ipv6_mc_rejoin_groups net/ipv6/mcast.c:2868 [inline]
 ipv6_mc_netdev_event+0x2b8/0x3a0 net/ipv6/mcast.c:2883
 notifier_call_chain+0xbc/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2230
 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]
 call_netdevice_notifiers+0x7c/0xb0 net/core/dev.c:2282
 bond_resend_igmp_join_requests_delayed+0x5e/0x170 drivers/net/bonding/bond_main.c:893
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:213
Code: b6 04 01 84 c0 74 04 3c 03 7e 21 41 56 8b 4b 70 45 89 e8 48 c7 c7 20 cd c2 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 4a 24 60 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 44 59 eb f8 4c
RSP: 0018:ffffc90006747640 EFLAGS: 00010282
RAX: 0000000000000098 RBX: ffff88807406ba40 RCX: ffffffff819c1865
RDX: 0000000000000000 RSI: ffffffff819c9449 RDI: 0000000000000005
RBP: ffffffff8cc2e020 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: ffff8880211f2ff0 R12: ffffffff89fb97d8
R13: 0000000095bf6884 R14: ffff888024c44120 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff8880976fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559060262908 CR3: 00000000282d1000 CR4: 0000000000352ef0