WARNING in pwq_unbound_release

Title	Replies (including bot)	Last reply
[syzbot] WARNING in pwq_unbound_release_workfn (2)	1 (2)	2021/07/20 11:29

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in pwq_unbound_release_workfn kernel				1	1545d	1541d	0/28	auto-closed as invalid on 2021/04/30 01:24

upstream

WARNING in pwq_unbound_release_workfn kernel

1545d

1541d

0/28

auto-closed as invalid on 2021/04/30 01:24

------------[ cut here ]------------ WARNING: CPU: 1 PID: 1711 at kernel/locking/lockdep.c:6305 lockdep_unregister_key+0x19a/0x250 kernel/locking/lockdep.c:6305 Modules linked in: CPU: 1 PID: 1711 Comm: kworker/1:2 Not tainted 5.14.0-rc2-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: events pwq_unbound_release_workfn RIP: 0010:lockdep_unregister_key+0x19a/0x250 kernel/locking/lockdep.c:6305 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 8f 00 00 00 4d 89 7d 08 48 b8 22 01 00 00 00 00 ad de 48 89 43 08 eb 02 <0f> 0b 4c 89 f7 ba 01 00 00 00 48 89 ee e8 44 fd ff ff 4c 89 f7 e8 RSP: 0018:ffffc90006297cb0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff1ad87cd RDX: 1ffffffff1fcb5ff RSI: 0000000000000000 RDI: ffffffff8fe5aff8 RBP: ffff888027a1b928 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000c52f78 R11: 0000000000086088 R12: 0000000000000246 R13: dffffc0000000000 R14: ffffffff8fccd858 R15: ffff888029f75470 FS: 0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561e039ca620 CR3: 0000000047a10000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wq_unregister_lockdep kernel/workqueue.c:3468 [inline] pwq_unbound_release_workfn+0x223/0x2d0 kernel/workqueue.c:3700 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Manager	Title
2021/07/21 15:44	upstream	8cae8cd89f05	29c3f20f	.config	console log	report	info	ci-qemu-upstream	WARNING in pwq_unbound_release_workfn
2021/07/20 10:44	upstream	2734d6c1b1a0	bc48c9ab	.config	console log	report	info	ci-qemu-upstream	WARNING in pwq_unbound_release_workfn
2021/07/19 09:55	upstream	2734d6c1b1a0	e6a17580	.config	console log	report	info	ci-qemu-upstream	WARNING in pwq_unbound_release_workfn
2021/07/18 13:27	upstream	1d67c8d993ba	f115ae98	.config	console log	report	info	ci-qemu-upstream	WARNING in pwq_unbound_release_workfn
2021/07/17 07:54	upstream	d980cc0620ae	f115ae98	.config	console log	report	info	ci-qemu-upstream	WARNING in pwq_unbound_release_workfn
2021/07/16 00:50	upstream	dd9c7df94c1b	a44e4957	.config	console log	report	info	ci-qemu-upstream	WARNING in pwq_unbound_release_workfn
2021/07/22 06:50	upstream	7b6ae471e541	29c3f20f	.config	console log	report	info	ci-qemu-upstream-386	WARNING in pwq_unbound_release_workfn
2021/07/20 04:51	upstream	2734d6c1b1a0	bc48c9ab	.config	console log	report	info	ci-qemu-upstream-386	WARNING in pwq_unbound_release_workfn
2021/07/19 12:30	upstream	2734d6c1b1a0	e6a17580	.config	console log	report	info	ci-qemu-upstream-386	WARNING in pwq_unbound_release_workfn
2021/07/19 03:07	upstream	2734d6c1b1a0	f115ae98	.config	console log	report	info	ci-qemu-upstream-386	WARNING in pwq_unbound_release_workfn
2021/07/18 17:15	upstream	1d67c8d993ba	f115ae98	.config	console log	report	info	ci-qemu-upstream-386	WARNING in pwq_unbound_release_workfn
2021/07/18 17:01	upstream	1d67c8d993ba	f115ae98	.config	console log	report	info	ci-qemu-upstream-386	WARNING in pwq_unbound_release_workfn
2021/07/16 23:10	upstream	d936eb238744	f115ae98	.config	console log	report	info	ci-qemu-upstream-386	WARNING in pwq_unbound_release_workfn