slab kmalloc-512 start ffff888050665c00 pointer offset 0 size 512
list_del corruption. next->prev should be ffff888045e13088, but was ffffffff9af85c20. (next=ffff888050665c00)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:65!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 3 Comm: pool_workqueue_ Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__list_del_entry_valid_or_report+0x1b3/0x200 lib/list_debug.c:65
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 40 90 f4 8b e8 4e e3 c6 fc 90 <0f> 0b e8 c6 fc 4b fd e9 6b fe ff ff 48 89 df e8 b9 fc 4b fd e9 7d
RSP: 0018:ffffc90000157da0 EFLAGS: 00010282
RAX: 000000000000006d RBX: ffff888045e13088 RCX: ffffffff819a2e99
RDX: 0000000000000000 RSI: ffffffff819aad26 RDI: 0000000000000005
RBP: ffff888050665c08 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff888050665c00
R13: ffff888045e13000 R14: ffff888045e13008 R15: ffff888040af4308
FS:  0000000000000000(0000) GS:ffff8880978e7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7f07434 CR3: 000000000e180000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:124 [inline]
 __list_del_entry include/linux/list.h:215 [inline]
 list_del_rcu include/linux/rculist.h:168 [inline]
 pwq_release_workfn+0xbc/0xa70 kernel/workqueue.c:5078
 kthread_worker_fn+0x30d/0xc50 kernel/kthread.c:1010
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x1b3/0x200 lib/list_debug.c:65
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 40 90 f4 8b e8 4e e3 c6 fc 90 <0f> 0b e8 c6 fc 4b fd e9 6b fe ff ff 48 89 df e8 b9 fc 4b fd e9 7d
RSP: 0018:ffffc90000157da0 EFLAGS: 00010282
RAX: 000000000000006d RBX: ffff888045e13088 RCX: ffffffff819a2e99
RDX: 0000000000000000 RSI: ffffffff819aad26 RDI: 0000000000000005
RBP: ffff888050665c08 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff888050665c00
R13: ffff888045e13000 R14: ffff888045e13008 R15: ffff888040af4308
FS:  0000000000000000(0000) GS:ffff8880978e7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7f07434 CR3: 000000000e180000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400