skbuff: skb_over_panic: text:ffffffff845d9324 len:76 put:20 head:ffff888114a80800 data:ffff888114a80840 tail:0x8c end:0x80 dev:syztnl1
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kernel BUG at net/core/skbuff.c:113!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 925 Comm: kworker/1:5 Not tainted 5.15.74-syzkaller-04383-g7f2e600bf63a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: mld mld_ifc_work
RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:113
Code: c7 a0 70 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 03 fe 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: 0000:ffffc9000046fae8 EFLAGS: 00010286
RAX: 0000000000000086 RBX: ffff888119bfe000 RCX: bb7dc1d2d8fdd000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000046fb30 R08: ffffffff815838e9 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: ffff888114a80840
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe0cef4d48 CR3: 000000011e03c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000923 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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 5e5ae69feadaf1cb ]---
RIP: 0010:skb_panic+0x14c/0x150 net/core/skbuff.c:113
Code: c7 a0 70 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 03 fe 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: 0000:ffffc9000046fae8 EFLAGS: 00010286
RAX: 0000000000000086 RBX: ffff888119bfe000 RCX: bb7dc1d2d8fdd000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000046fb30 R08: ffffffff815838e9 R09: ffffed103ee265e8
R10: ffffed103ee265e8 R11: 1ffff1103ee265e7 R12: ffff888114a80840
R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f83c1bde000 CR3: 000000011e03c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000923 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400