syzbot


WARNING in __queue_work

Status: auto-obsoleted due to no activity on 2023/03/12 16:28
Reported-by: syzbot+d2947c1795156c5217b4@syzkaller.appspotmail.com
First crash: 1412d, last: 619d
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __queue_work (3) kernel syz error 953 616d 1449d 22/27 fixed on 2023/02/24 13:50
upstream WARNING in __queue_work netfilter C 1 2348d 2348d 4/27 fixed on 2018/02/26 20:04
linux-4.14 WARNING in __queue_work 3 1241d 1280d 0/1 auto-closed as invalid on 2021/06/28 11:00
upstream WARNING in __queue_work (2) bluetooth 1 1527d 1523d 0/27 auto-closed as invalid on 2020/07/17 09:16
linux-4.14 WARNING in __queue_work (2) 8 645d 959d 0/1 auto-obsoleted due to no activity on 2023/02/14 12:30

Sample crash report:
Bluetooth: hci2: command 0x040f tx timeout
WARNING: CPU: 0 PID: 9302 at kernel/workqueue.c:1384 __queue_work+0xc8d/0x1100 kernel/workqueue.c:1384
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9302 Comm: kworker/0:4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events hci_cmd_timeout
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:__queue_work+0xc8d/0x1100 kernel/workqueue.c:1384
Code: 03 38 d0 7c 09 84 d2 74 05 e8 0f 3a 5a 00 8b 5b 24 31 ff 83 e3 20 89 de e8 10 5f 24 00 85 db 0f 85 c2 00 00 00 e8 93 5d 24 00 <0f> 0b e9 5d f9 ff ff e8 87 5d 24 00 4c 8d 75 60 41 83 cd 02 e9 02
RSP: 0018:ffff88808aedfc88 EFLAGS: 00010093
RAX: ffff88809feca0c0 RBX: ffff8880ba02f000 RCX: ffffffff813f9ba6
RDX: 0000000000000000 RSI: ffffffff813e27dd RDI: ffff8880ba02f008
RBP: 0000000000010000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888095975e68
R13: ffff8880a2db4580 R14: 0000000000000000 R15: 0000000000000008
 queue_work_on+0x17e/0x1f0 kernel/workqueue.c:1489
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (19):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/11/12 16:28 linux-4.19.y 3f8a27f9e27b f42ee5d8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in __queue_work
2022/07/31 08:45 linux-4.19.y 3f8a27f9e27b fef302b1 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2022/06/13 07:12 linux-4.19.y 3f8a27f9e27b 0d5abf15 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2022/04/23 03:28 linux-4.19.y 3f8a27f9e27b 131df97d .config console log report info ci2-linux-4-19 WARNING in __queue_work
2022/04/03 20:21 linux-4.19.y 3f8a27f9e27b 79a2a8fc .config console log report info ci2-linux-4-19 WARNING in __queue_work
2022/02/01 12:00 linux-4.19.y 3f8a27f9e27b c1c1631d .config console log report info ci2-linux-4-19 WARNING in __queue_work
2022/01/19 03:51 linux-4.19.y 3f8a27f9e27b 731a2d23 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/11/17 02:45 linux-4.19.y 3f8a27f9e27b cafff8b6 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/11/10 15:00 linux-4.19.y 3f8a27f9e27b 75b04091 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/09/16 00:35 linux-4.19.y b172b44fcb17 07e953c1 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/07/19 04:35 linux-4.19.y fcfbdfe9626e f115ae98 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/04/29 05:05 linux-4.19.y 97a8651cadce 77e2b668 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/04/03 06:59 linux-4.19.y 2034d6f0838e 6a81331a .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/02/25 00:50 linux-4.19.y 2d19be4653f5 fcc6d71b .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/02/07 05:11 linux-4.19.y 811218eceeaa 0655e081 .config console log report info ci2-linux-4-19 WARNING in __queue_work
2021/01/12 20:56 linux-4.19.y 675cc038067f 0cdd6185 .config console log report info ci2-linux-4-19
2021/01/09 04:16 linux-4.19.y 4143d798313f c104d4a3 .config console log report info ci2-linux-4-19
2020/11/27 22:50 linux-4.19.y 0c88e405c97e 486f93ef .config console log report info ci2-linux-4-19
2020/09/10 01:47 linux-4.19.y 67957f12548c ac7ca78e .config console log report ci2-linux-4-19
* Struck through repros no longer work on HEAD.