skbuff: skb_over_panic: text:ffffffff87e322df len:40 put:40 head:ffff8880153d9000 data:ffff8880153d90f0 tail:0x118 end:0xc0 dev:ip6gretap0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:113!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 13477 Comm: kworker/0:27 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: mld mld_ifc_work
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:113
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 60 fc 8b 8a ff 74 24 10 ff 74 24 20 e8 08 66 c2 ff <0f> 0b e8 d5 03 45 f8 4c 8b 64 24 18 e8 9b 64 8b f8 48 c7 c1 00 09
RSP: 0000:ffffc90002d8f958 EFLAGS: 00010282
RAX: 000000000000008a RBX: ffff88801c2dc000 RCX: 0000000000000000
RDX: ffff888021b73a00 RSI: ffffffff815ef908 RDI: fffff520005b1f1d
RBP: ffffffff8a8c0940 R08: 000000000000008a R09: 0000000000000000
R10: ffffffff815e96ee R11: 0000000000000000 R12: ffffffff87e322df
R13: 0000000000000028 R14: ffff88802645a000 R15: 00000000000000c0
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f603144c1 CR3: 000000001cb3a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_over_panic net/core/skbuff.c:118 [inline]
 skb_put.cold+0x24/0x24 net/core/skbuff.c:1990
 ip6_mc_hdr.constprop.0+0x11f/0x5c0 net/ipv6/mcast.c:1720
 mld_newpack+0x3e5/0x770 net/ipv6/mcast.c:1771
 add_grhead+0x265/0x330 net/ipv6/mcast.c:1857
 add_grec+0x1053/0x14e0 net/ipv6/mcast.c:1995
 mld_send_cr net/ipv6/mcast.c:2121 [inline]
 mld_ifc_work+0x452/0xdc0 net/ipv6/mcast.c:2659
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 9fb74c46e67eb5ac ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:113
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 60 fc 8b 8a ff 74 24 10 ff 74 24 20 e8 08 66 c2 ff <0f> 0b e8 d5 03 45 f8 4c 8b 64 24 18 e8 9b 64 8b f8 48 c7 c1 00 09
RSP: 0000:ffffc90002d8f958 EFLAGS: 00010282
RAX: 000000000000008a RBX: ffff88801c2dc000 RCX: 0000000000000000
RDX: ffff888021b73a00 RSI: ffffffff815ef908 RDI: fffff520005b1f1d
RBP: ffffffff8a8c0940 R08: 000000000000008a R09: 0000000000000000
R10: ffffffff815e96ee R11: 0000000000000000 R12: ffffffff87e322df
R13: 0000000000000028 R14: ffff88802645a000 R15: 00000000000000c0
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f603144c1 CR3: 000000001cb3a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400