skbuff: skb_over_panic: text:ffffffff845d92d4 len:76 put:20 head:ffff8881481b0000 data:ffff8881481b0040 tail:0x8c end:0x80 dev:ip6gretap0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:113!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22782 Comm: kworker/1:2 Tainted: G        W         5.15.73-syzkaller-04348-g44b8b2ac1d96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: mld mld_ifc_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:ffffc900005dfae8 EFLAGS: 00010286
RAX: 0000000000000089 RBX: ffff888147404000 RCX: 1da45a057a2e2a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900005dfb30 R08: ffffffff815838e9 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: ffff8881481b0040
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200092c0 CR3: 000000010ce5c000 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_cr net/ipv6/mcast.c:2115 [inline]
 mld_ifc_work+0x799/0xc30 net/ipv6/mcast.c:2653
 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 560be2f90ac65efc ]---
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:ffffc900005dfae8 EFLAGS: 00010286
RAX: 0000000000000089 RBX: ffff888147404000 RCX: 1da45a057a2e2a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900005dfb30 R08: ffffffff815838e9 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: ffff8881481b0040
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200092c0 CR3: 000000000680f000 CR4: 00000000003506a0