skbuff: skb_over_panic: text:ffffffff88228303 len:40 put:40 head:ffff88805e12f800 data:ffff88805e12f8b0 tail:0xd8 end:0xc0 dev:ip6gretap0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:120!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 21149 Comm: kworker/1:1 Not tainted 6.1.0-rc1-syzkaller-00170-g3bd5549bd479 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: mld mld_ifc_work
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120
Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 40 54 f4 8a ff 74 24 10 ff 74 24 20 e8 13 77 c1 ff <0f> 0b e8 50 f1 f3 f7 4c 8b 64 24 18 e8 d6 2c 40 f8 48 c7 c1 a0 61
RSP: 0018:ffffc90004e8f960 EFLAGS: 00010282
RAX: 0000000000000089 RBX: ffff88823bd1c000 RCX: 0000000000000000
RDX: ffff88802a6f57c0 RSI: ffffffff81620a28 RDI: fffff520009d1f1e
RBP: ffffffff8af461e0 R08: 0000000000000089 R09: 0000000000000000
R10: 0000000080000000 R11: 203a666675626b73 R12: ffffffff88228303
R13: 0000000000000028 R14: ffff888047c2e000 R15: 00000000000000c0
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32825000 CR3: 000000000bc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_over_panic net/core/skbuff.c:125 [inline]
 skb_put.cold+0x24/0x24 net/core/skbuff.c:2152
 ip6_mc_hdr.constprop.0+0x123/0x5c0 net/ipv6/mcast.c:1714
 mld_newpack.isra.0+0x3c0/0x770 net/ipv6/mcast.c:1765
 add_grhead+0x295/0x340 net/ipv6/mcast.c:1851
 add_grec+0x1082/0x1560 net/ipv6/mcast.c:1989
 mld_send_cr net/ipv6/mcast.c:2115 [inline]
 mld_ifc_work+0x452/0xdc0 net/ipv6/mcast.c:2653
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120
Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 40 54 f4 8a ff 74 24 10 ff 74 24 20 e8 13 77 c1 ff <0f> 0b e8 50 f1 f3 f7 4c 8b 64 24 18 e8 d6 2c 40 f8 48 c7 c1 a0 61
RSP: 0018:ffffc90004e8f960 EFLAGS: 00010282
RAX: 0000000000000089 RBX: ffff88823bd1c000 RCX: 0000000000000000
RDX: ffff88802a6f57c0 RSI: ffffffff81620a28 RDI: fffff520009d1f1e
RBP: ffffffff8af461e0 R08: 0000000000000089 R09: 0000000000000000
R10: 0000000080000000 R11: 203a666675626b73 R12: ffffffff88228303
R13: 0000000000000028 R14: ffff888047c2e000 R15: 00000000000000c0
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32825000 CR3: 000000007f08f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400