IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
skbuff: skb_over_panic: text:ffffffff845d92d4 len:76 put:20 head:ffff8881033cf400 data:ffff8881033cf440 tail:0x8c end:0x80 dev:syztnl0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:113!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 15873 Comm: kworker/1:10 Not tainted 5.15.73-syzkaller-04348-g44b8b2ac1d96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:113
Code: c7 a0 68 be 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 73 fc dc 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c
RSP: 0018:ffffc90000c978c8 EFLAGS: 00010282
RAX: 0000000000000086 RBX: ffff888156132000 RCX: 11853eb1d0afc200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90000c97910 R08: ffffffff815838e9 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: ffff8881033cf440
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cd23000 CR3: 0000000101bf9000 CR4: 00000000003506a0
Call Trace:
 <TASK>
 skb_over_panic net/core/skbuff.c:118 [inline]
 skb_put+0x153/0x210 net/core/skbuff.c:2039
 add_grhead net/ipv6/mcast.c:1855 [inline]
 add_grec+0xf74/0x13d0 net/ipv6/mcast.c:1989
 mld_send_initial_cr net/ipv6/mcast.c:2236 [inline]
 ipv6_mc_dad_complete+0x246/0x5f0 net/ipv6/mcast.c:2247
 addrconf_dad_completed+0x733/0xe20 net/ipv6/addrconf.c:4248
 addrconf_dad_work+0xd8f/0x1680
 process_one_work+0x6db/0xc00 kernel/workqueue.c:2313
 worker_thread+0xb3e/0x1340 kernel/workqueue.c:2460
 kthread+0x41c/0x500 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30
 </TASK>
Modules linked in:
---[ end trace 7434ddc844b16dd6 ]---
RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:113
Code: c7 a0 68 be 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 73 fc dc 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c
RSP: 0018:ffffc90000c978c8 EFLAGS: 00010282
RAX: 0000000000000086 RBX: ffff888156132000 RCX: 11853eb1d0afc200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90000c97910 R08: ffffffff815838e9 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: ffff8881033cf440
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32724000 CR3: 0000000158f8f000 CR4: 00000000003506a0