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WARNING in process_one_work

Status: upstream: reported syz repro on 2023/03/18 12:00
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+5aabb0d46bb2545c5599@syzkaller.appspotmail.com
First crash: 963d, last: 20d
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/03/16 upstream (ToT) cb82ca153949 syz [report] no output from test machine
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in process_one_work -1 C inconclusive 7 1967d 2203d 0/1 upstream: reported C repro on 2019/10/25 11:01
linux-4.19 WARNING in process_one_work (2) -1 1 1158d 1158d 0/1 auto-obsoleted due to no activity on 2023/01/02 02:07
linux-4.19 WARNING in process_one_work -1 C done 9 1605d 2170d 1/1 fixed on 2021/07/14 12:04
▶ ▼ Last patch testing requests (9)
Created Duration User Patch Repo Result
2025/10/15 01:52 15m retest repro linux-5.15.y OK log
2025/10/15 01:52 20m retest repro linux-5.15.y OK log
2025/10/15 01:52 15m retest repro linux-5.15.y OK log
2025/10/15 01:52 15m retest repro linux-5.15.y OK log
2025/10/14 14:20 16m retest repro linux-5.15.y OK log
2025/10/14 14:20 17m retest repro linux-5.15.y OK log
2025/10/14 14:20 19m retest repro linux-5.15.y OK log
2025/10/14 14:20 19m retest repro linux-5.15.y OK log
2025/10/14 14:20 17m retest repro linux-5.15.y OK log

Sample crash report:
Bluetooth: hci0: command 0x0409 tx timeout
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3661 at kernel/workqueue.c:1453 __queue_work+0xbaf/0xd00
Modules linked in:
CPU: 1 PID: 3661 Comm: kworker/1:16 Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events hci_cmd_timeout
RIP: 0010:__queue_work+0xbaf/0xd00 kernel/workqueue.c:1453
Code: 7c 24 10 e8 33 73 77 00 e9 1c fd ff ff e8 59 9f 2d 00 89 ee 48 c7 c7 60 17 7d 8c e8 eb 10 d8 02 e9 64 fc ff ff e8 41 9f 2d 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2b 9f 2d 00
RSP: 0018:ffffc900030c7af8 EFLAGS: 00010093
RAX: ffffffff8152c21f RBX: 00000000000b0012 RCX: ffff888024900000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff8154f965 R09: ffffed10039ba167
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888075cc3800 R14: 0000000000000008 R15: 1ffff92000618f74
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f065351a178 CR3: 000000000c68e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x14b/0x250 kernel/workqueue.c:1559
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Crashes (283):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/18 16:36 linux-5.15.y 7e89efd3ae1c dbc93b08 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in process_one_work
2025/10/16 04:23 linux-5.15.y 29e53a5b1c4f 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/09/29 20:45 linux-5.15.y 43bb85222e53 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/09/22 00:26 linux-5.15.y 43bb85222e53 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/09/15 17:45 linux-5.15.y 43bb85222e53 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/08/31 16:07 linux-5.15.y 01879f56bdde 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/08/26 21:46 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/08/19 08:57 linux-5.15.y c79648372d02 523f460e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/08/13 20:19 linux-5.15.y c79648372d02 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/08/07 18:30 linux-5.15.y c79648372d02 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/08/07 02:05 linux-5.15.y c79648372d02 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/07/29 03:55 linux-5.15.y c79648372d02 6654ea9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/07/22 00:38 linux-5.15.y c79648372d02 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/07/16 20:48 linux-5.15.y 89950c454265 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/07/14 14:46 linux-5.15.y 2f693b607545 d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/07/14 08:54 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/07/11 22:48 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/07/11 21:42 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/07/10 03:40 linux-5.15.y 3dea0e7f549e 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/07/04 07:36 linux-5.15.y 3dea0e7f549e 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/07/04 03:39 linux-5.15.y 3dea0e7f549e 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/07/03 08:26 linux-5.15.y 3dea0e7f549e 115ceea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/07/02 05:28 linux-5.15.y 3dea0e7f549e bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/07/01 04:34 linux-5.15.y 3dea0e7f549e 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/27 16:14 linux-5.15.y 3dea0e7f549e 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/26 17:26 linux-5.15.y 1c700860e8bc 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/24 03:58 linux-5.15.y 1c700860e8bc e2f27c35 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/23 14:46 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/22 23:48 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/22 07:20 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/21 04:15 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/06/21 03:01 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/20 13:21 linux-5.15.y 1c700860e8bc 804b3919 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/18 14:56 linux-5.15.y 1c700860e8bc ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/16 13:14 linux-5.15.y 1c700860e8bc d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/13 21:00 linux-5.15.y 1c700860e8bc 98683f8f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/11 07:12 linux-5.15.y 1c700860e8bc 5d7e17ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/10 09:42 linux-5.15.y 1c700860e8bc 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/05 01:24 linux-5.15.y 1c700860e8bc 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/02 11:58 linux-5.15.y 98f47d0e9b8c b396b4bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/06/01 09:02 linux-5.15.y 98f47d0e9b8c 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/05/25 22:37 linux-5.15.y 98f47d0e9b8c 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/05/24 20:36 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/05/24 07:10 linux-5.15.y 98f47d0e9b8c ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/05/23 16:23 linux-5.15.y 98f47d0e9b8c f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/05/22 03:15 linux-5.15.y a68c15152131 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/05/18 09:47 linux-5.15.y a68c15152131 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/05/16 17:27 linux-5.15.y 3b8db0e4f263 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/05/03 03:54 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/04/21 03:49 linux-5.15.y f7347f400572 2a20f901 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/04/20 15:38 linux-5.15.y f7347f400572 2a20f901 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/04/20 04:09 linux-5.15.y f7347f400572 2a20f901 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/03/02 07:03 linux-5.15.y c16c81c81336 c3901742 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/02/28 04:04 linux-5.15.y c16c81c81336 6a8fcbc4 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/02/01 13:47 linux-5.15.y 003148680b79 aa47157c .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2025/01/07 06:11 linux-5.15.y 91786f140358 f3558dbf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2025/01/04 05:31 linux-5.15.y 91786f140358 f3558dbf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2024/11/25 02:00 linux-5.15.y 0a51d2d4527b 68da6d95 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-linux-5-15-kasan WARNING in process_one_work
2024/11/03 13:09 linux-5.15.y 72244eab0dad f00eed24 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in process_one_work
2024/10/09 02:28 linux-5.15.y 3a5928702e71 402f1df0 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in process_one_work
2024/10/02 01:50 linux-5.15.y 3a5928702e71 ea2b66a6 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2024/09/11 00:16 linux-5.15.y 14e468424d3e 86aa7bd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
2023/03/18 11:59 linux-5.15.y 8020ae3c051d 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf WARNING in process_one_work
* Struck through repros no longer work on HEAD.