syzbot

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WARNING: CPU: 0 PID: 3 at kernel/locking/lockdep.c:6465 lockdep_unregister_key+0x4cd/0x540 kernel/locking/lockdep.c:6465
Modules linked in:
CPU: 0 PID: 3 Comm: pool_workqueue_ Not tainted 6.9.0-rc5-syzkaller-01479-ge612b5c1d3ee #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:lockdep_unregister_key+0x4cd/0x540 kernel/locking/lockdep.c:6465
Code: 24 41 02 75 14 41 f7 c6 00 02 00 00 74 01 fb e8 29 b4 09 00 e9 83 fc ff ff e8 6f b5 0e 0a 41 f7 c6 00 02 00 00 75 e7 eb e6 90 <0f> 0b 90 eb 85 48 c7 c1 80 f5 a8 8f 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90000087cc0 EFLAGS: 00010002
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000087c20
RBP: ffffc90000087da0 R08: 0000000000000003 R09: fffff52000010f84
R10: dffffc0000000000 R11: fffff52000010f84 R12: 00000000000000c7
R13: 1ffff92000010f9c R14: 0000000000000202 R15: ffffc90000087d00
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a25000 CR3: 000000007b22c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 wq_unregister_lockdep kernel/workqueue.c:4655 [inline]
 pwq_release_workfn+0x6e0/0x840 kernel/workqueue.c:4958
 kthread_worker_fn+0x500/0xaf0 kernel/kthread.c:841
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>