list_del corruption, ffff88809e625fb0->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:45!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 29086 Comm: kworker/0:0 Not tainted 5.4.0-rc8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events p9_read_work
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45
Code: e8 35 65 15 fe 0f 0b 4c 89 f6 48 c7 c7 c0 f8 e6 87 e8 24 65 15 fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 00 f8 e6 87 e8 10 65 15 fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 60 f8 e6 87 e8 fc 64 15 fe 0f 0b
RSP: 0018:ffff88805bc4fc40 EFLAGS: 00010282
RAX: 000000000000004e RBX: ffff88809e625f00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cf766 RDI: ffffed100b789f7a
RBP: ffff88805bc4fc58 R08: 000000000000004e R09: ffffed1015d06159
R10: ffffed1015d06158 R11: ffff8880ae830ac7 R12: dead000000000122
R13: dead000000000100 R14: ffff88809e625fb0 R15: ffff88809e625fb0
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd482f9030 CR3: 000000009043d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:131 [inline]
 list_del include/linux/list.h:139 [inline]
 p9_read_work+0xa35/0x10a0 net/9p/trans_fd.c:363
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 70049d384f111d63 ]---
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45
Code: e8 35 65 15 fe 0f 0b 4c 89 f6 48 c7 c7 c0 f8 e6 87 e8 24 65 15 fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 00 f8 e6 87 e8 10 65 15 fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 60 f8 e6 87 e8 fc 64 15 fe 0f 0b
RSP: 0018:ffff88805bc4fc40 EFLAGS: 00010282
RAX: 000000000000004e RBX: ffff88809e625f00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815cf766 RDI: ffffed100b789f7a
RBP: ffff88805bc4fc58 R08: 000000000000004e R09: ffffed1015d06159
R10: ffffed1015d06158 R11: ffff8880ae830ac7 R12: dead000000000122
R13: dead000000000100 R14: ffff88809e625fb0 R15: ffff88809e625fb0
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd482f9030 CR3: 000000009043d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400