skbuff: skb_over_panic: text:ffffffff87dc4a3f len:40 put:40 head:ffff88823bdc0000 data:ffff88823bdc0040 tail:0x68 end:0x40 dev:

------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:111!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3093 Comm: kworker/1:3 Not tainted 5.14.0-rc7-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:111
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 36 8a 8a ff 74 24 10 ff 74 24 20 e8 9a 74 c3 ff <0f> 0b e8 c0 28 50 f8 4c 8b 64 24 18 e8 76 59 96 f8 48 c7 c1 a0 42
RSP: 0018:ffffc90001dff960 EFLAGS: 00010282
RAX: 0000000000000080 RBX: ffff88806525f280 RCX: 0000000000000000
RDX: ffff8880159c9c40 RSI: ffffffff815d85b5 RDI: fffff520003bff1e
RBP: ffffffff8a8a42e0 R08: 0000000000000080 R09: 0000000000000000
R10: ffffffff815d23ee R11: 0000000000000000 R12: ffffffff87dc4a3f
R13: 0000000000000028 R14: ffff88802e466000 R15: 0000000000000040
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000666e1000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_over_panic net/core/skbuff.c:116 [inline]
 skb_put.cold+0x24/0x24 net/core/skbuff.c:1934
 ip6_mc_hdr.constprop.0+0x11f/0x5c0 net/ipv6/mcast.c:1717
 mld_newpack+0x3e5/0x770 net/ipv6/mcast.c:1768
 add_grhead+0x265/0x330 net/ipv6/mcast.c:1854
 add_grec+0x1053/0x14e0 net/ipv6/mcast.c:1992
 mld_send_cr net/ipv6/mcast.c:2118 [inline]
 mld_ifc_work+0x452/0xdc0 net/ipv6/mcast.c:2655
 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 9cb6876d748cadf7 ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:111
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 36 8a 8a ff 74 24 10 ff 74 24 20 e8 9a 74 c3 ff <0f> 0b e8 c0 28 50 f8 4c 8b 64 24 18 e8 76 59 96 f8 48 c7 c1 a0 42
RSP: 0018:ffffc90001dff960 EFLAGS: 00010282
RAX: 0000000000000080 RBX: ffff88806525f280 RCX: 0000000000000000
RDX: ffff8880159c9c40 RSI: ffffffff815d85b5 RDI: fffff520003bff1e
RBP: ffffffff8a8a42e0 R08: 0000000000000080 R09: 0000000000000000
R10: ffffffff815d23ee R11: 0000000000000000 R12: ffffffff87dc4a3f
R13: 0000000000000028 R14: ffff88802e466000 R15: 0000000000000040
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000542978 CR3: 000000001e0ac000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400