skbuff: skb_under_panic: text:ffffffff8a122dc7 len:-1823512968 put:-1823513044 head:ffff888030b8f000 data:ffff887f9d698a14 tail:0x8c end:0x6c0 dev:bond41
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:211!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5872 Comm: kworker/u8:3 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: bond41 bond_resend_igmp_join_requests_delayed
RIP: 0010:skb_panic+0x157/0x160
Code: c7 80 03 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:ffffc9000374f2f8 EFLAGS: 00010282
RAX: 0000000000000099 RBX: dffffc0000000000 RCX: 8791534b6dfeee00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 00000000000006c0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff888036e87810
R13: ffff888030b8f000 R14: ffff887f9d698a14 R15: 000000000000008c
FS:  0000000000000000(0000) GS:ffff8880b8614000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff82f95e80 CR3: 000000010f58a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 skb_push+0xc3/0xe0
 ipgre_header+0x67/0x290
 neigh_connected_output+0x286/0x460
 ip6_finish_output2+0xfb3/0x1480
 ip6_output+0x340/0x550
 NF_HOOK+0x9e/0x380
 mld_sendpack+0x8d4/0xe60
 ipv6_mc_netdev_event+0x1b7/0x5a0
 notifier_call_chain+0x1b6/0x3e0
 call_netdevice_notifiers+0x88/0xc0
 bond_resend_igmp_join_requests_delayed+0x61/0x170
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x157/0x160
Code: c7 80 03 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:ffffc9000374f2f8 EFLAGS: 00010282
RAX: 0000000000000099 RBX: dffffc0000000000 RCX: 8791534b6dfeee00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 00000000000006c0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff888036e87810
R13: ffff888030b8f000 R14: ffff887f9d698a14 R15: 000000000000008c
FS:  0000000000000000(0000) GS:ffff8880b8614000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 0000000027f02000 CR4: 00000000000006f0
