list_del corruption, ffff888124a25cf8->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:55!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 708 Comm: kworker/1:5 Not tainted 5.15.173-syzkaller-1077948-gb4bd207b0380 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events p9_read_work
RIP: 0010:__list_del_entry_valid+0xea/0x120 lib/list_debug.c:53
Code: 4c 89 f6 e8 08 88 76 02 0f 0b 48 c7 c7 80 48 a3 85 4c 89 f6 e8 f7 87 76 02 0f 0b 48 c7 c7 e0 48 a3 85 4c 89 f6 e8 e6 87 76 02 <0f> 0b 48 c7 c7 40 49 a3 85 4c 89 f6 e8 d5 87 76 02 0f 0b 48 c7 c7
RSP: 0000:ffffc90001d27af0 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000100 RCX: 5bc4f8ff50f77000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90001d27b10 R08: ffffffff8157a035 R09: ffffed103ee265e8
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888124a25cf8 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020404030 CR3: 0000000006a0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry include/linux/list.h:132 [inline]
 list_del include/linux/list.h:146 [inline]
 p9_conn_cancel+0x5bc/0x7f0 net/9p/trans_fd.c:218
 p9_read_work+0x552/0x1080 net/9p/trans_fd.c:410
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 1d3cc75ad8f35985 ]---
RIP: 0010:__list_del_entry_valid+0xea/0x120 lib/list_debug.c:53
Code: 4c 89 f6 e8 08 88 76 02 0f 0b 48 c7 c7 80 48 a3 85 4c 89 f6 e8 f7 87 76 02 0f 0b 48 c7 c7 e0 48 a3 85 4c 89 f6 e8 e6 87 76 02 <0f> 0b 48 c7 c7 40 49 a3 85 4c 89 f6 e8 d5 87 76 02 0f 0b 48 c7 c7
RSP: 0000:ffffc90001d27af0 EFLAGS: 00010246
RAX: 000000000000004e RBX: dead000000000100 RCX: 5bc4f8ff50f77000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90001d27b10 R08: ffffffff8157a035 R09: ffffed103ee265e8
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888124a25cf8 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002057eff8 CR3: 000000010fbd9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400