syzbot


BUG: workqueue lockup (2)

Status: upstream: reported C repro on 2023/03/05 21:10
Reported-by: syzbot+94b3d6f6cf4c1e28df60@syzkaller.appspotmail.com
First crash: 767d, last: 12h26m
Cause bisection: failed (error log, bisect log)
  
Similar bugs (14)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: workqueue lockup (4) block C 47 1613d 2019d 15/26 fixed on 2019/12/13 00:31
linux-5.15 BUG: workqueue lockup C 144 23h09m 403d 0/3 upstream: reported C repro on 2023/03/11 08:51
android-5-15 BUG: workqueue lockup origin:upstream missing-backport C error 282 45m 300d 0/2 upstream: reported C repro on 2023/06/22 22:19
upstream BUG: workqueue lockup (2) C 406 2169d 2327d 5/26 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup C 282 414d 1815d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 2350d 2360d 3/26 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (5) kernel C done 3936 2h21m 1555d 0/26 upstream: reported C repro on 2020/01/14 22:04
upstream BUG: workqueue lockup (3) C 1215 2113d 2166d 8/26 fixed on 2018/07/09 18:05
android-6-1 BUG: workqueue lockup origin:upstream C error 177 16h28m 269d 0/2 upstream: reported C repro on 2023/07/23 17:25
android-414 BUG: workqueue lockup C 114 1678d 1834d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C error 41 408d 1822d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-5-10 BUG: workqueue lockup C error 25 808d 906d 0/2 closed as invalid on 2022/02/22 17:18
android-49 BUG: workqueue lockup C 69 1602d 1833d 0/3 public: reported C repro on 2019/04/11 08:44
linux-6.1 BUG: workqueue lockup origin:upstream C 119 1d05h 407d 0/3 upstream: reported C repro on 2023/03/07 17:51
Fix bisection attempts (4)
Created Duration User Patch Repo Result
2022/11/10 01:20 27m bisect fix android12-5.10-lts job log (0) log
2022/09/22 07:49 28m bisect fix android12-5.10-lts job log (0) log
2022/08/23 07:16 31m bisect fix android12-5.10-lts job log (0) log
2022/07/24 06:47 28m bisect fix android12-5.10-lts job log (0) log

Sample crash report:
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 277s!
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 272s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 277s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 277s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: vmstat_shepherd, psi_avgs_work
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3
    pending: toggle_allocation_gate
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: neigh_periodic_work, gc_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: neigh_periodic_work, check_lifetime
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
    pending: wb_workfn
workqueue kblockd: flags=0x18
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
    pending: blk_mq_timeout_work
workqueue dm_bufio_cache: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: addrconf_verify_work

Crashes (409):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/17 11:53 android13-5.10-lts 4e1bc8d8e8ae 18f6e127 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/13 04:23 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/10 04:47 android13-5.10-lts 4e1bc8d8e8ae 171ec371 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/06 15:39 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/06 01:04 android13-5.10-lts e7daca75b4c3 77230c29 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/05 16:54 android13-5.10-lts e7daca75b4c3 77230c29 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/02 03:59 android13-5.10-lts e7daca75b4c3 6baf5069 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: workqueue lockup
2024/03/02 18:21 android13-5.10-lts dd976ecce2ce 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/29 09:13 android13-5.10-lts dd976ecce2ce 352ab904 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/29 06:23 android13-5.10-lts dd976ecce2ce 352ab904 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/28 22:08 android13-5.10-lts dd976ecce2ce 55d6f11d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/28 18:44 android13-5.10-lts dd976ecce2ce 55d6f11d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/28 00:42 android13-5.10-lts dd976ecce2ce d367cbe5 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/27 02:31 android13-5.10-lts dd976ecce2ce da36a36b .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/24 01:08 android13-5.10-lts dd976ecce2ce 8d446f15 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/23 18:39 android13-5.10-lts dd976ecce2ce 8d446f15 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/23 09:52 android13-5.10-lts dd976ecce2ce 8d446f15 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/22 07:41 android13-5.10-lts dd976ecce2ce 345111b5 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/20 22:32 android13-5.10-lts dd976ecce2ce 3af7dd65 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/18 15:28 android13-5.10-lts dd976ecce2ce 578f7538 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/18 04:39 android13-5.10-lts dd976ecce2ce 578f7538 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/17 23:14 android13-5.10-lts dd976ecce2ce 578f7538 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/28 04:03 android13-5.10-lts 1a7db4583e18 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/26 16:06 android13-5.10-lts 1a7db4583e18 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/26 05:45 android13-5.10-lts 1a7db4583e18 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/26 00:19 android13-5.10-lts 1a7db4583e18 cc4a4020 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/25 13:56 android13-5.10-lts 1a7db4583e18 1e153dc8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/25 04:51 android13-5.10-lts 1a7db4583e18 1e153dc8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/22 06:05 android13-5.10-lts 1a7db4583e18 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/22 02:50 android13-5.10-lts 1a7db4583e18 9bd8dcda .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/14 04:13 android13-5.10-lts 721689706261 551587c1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/12 01:23 android13-5.10-lts 721689706261 dda5a988 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/11 15:02 android13-5.10-lts 721689706261 00f3cc59 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/05 18:58 android13-5.10-lts f7977422e132 28c42cff .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/05 09:50 android13-5.10-lts f7977422e132 28c42cff .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/05 03:51 android13-5.10-lts f7977422e132 28c42cff .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/02 06:10 android13-5.10-lts f7977422e132 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/30 21:18 android13-5.10-lts f7977422e132 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/29 09:12 android13-5.10-lts f7977422e132 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/29 05:38 android13-5.10-lts f7977422e132 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/03/05 21:07 android12-5.10-lts 416c4356f372 f8902b57 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/31 14:34 android13-5.10-lts f7977422e132 fb427a07 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2022/10/08 18:58 android12-5.10-lts bc7618b4936f aea5da89 .config strace log report syz [disk image] [vmlinux] ci2-android-5-10 BUG: workqueue lockup
2022/05/25 21:03 android12-5.10-lts 0974b8411a58 3037caa9 .config console log report syz ci2-android-5-10 BUG: workqueue lockup
2024/04/17 20:08 android13-5.10-lts 3c981dac49d9 acc528cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/17 15:09 android13-5.10-lts 4e1bc8d8e8ae acc528cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/17 09:11 android13-5.10-lts 4e1bc8d8e8ae 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/17 04:59 android13-5.10-lts 4e1bc8d8e8ae 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/17 00:47 android13-5.10-lts 4e1bc8d8e8ae 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/16 21:24 android13-5.10-lts 4e1bc8d8e8ae 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/16 17:48 android13-5.10-lts 4e1bc8d8e8ae 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: workqueue lockup
2024/04/16 13:46 android13-5.10-lts 4e1bc8d8e8ae 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/16 11:12 android13-5.10-lts 4e1bc8d8e8ae 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/16 07:15 android13-5.10-lts 4e1bc8d8e8ae 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/16 03:28 android13-5.10-lts 4e1bc8d8e8ae 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: workqueue lockup
2024/04/15 22:57 android13-5.10-lts 4e1bc8d8e8ae b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/15 21:25 android13-5.10-lts 4e1bc8d8e8ae b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/15 20:21 android13-5.10-lts 4e1bc8d8e8ae b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/15 13:02 android13-5.10-lts 4e1bc8d8e8ae b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/15 11:41 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: workqueue lockup
2024/04/15 09:55 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/15 08:30 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/15 01:33 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/14 22:18 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/14 18:28 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/14 16:56 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/13 16:14 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/13 12:52 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/13 10:32 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: workqueue lockup
2024/04/13 07:22 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/13 02:35 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/12 23:51 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/12 06:27 android13-5.10-lts 4e1bc8d8e8ae 27de0a5c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/11 23:59 android13-5.10-lts 4e1bc8d8e8ae 95ed9ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/11 15:58 android13-5.10-lts 4e1bc8d8e8ae 95ed9ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/11 14:29 android13-5.10-lts 4e1bc8d8e8ae 95ed9ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/11 09:13 android13-5.10-lts 4e1bc8d8e8ae 33b9e058 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/11 01:22 android13-5.10-lts 4e1bc8d8e8ae 33b9e058 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/10 11:56 android13-5.10-lts 4e1bc8d8e8ae 4320ec32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/09 22:21 android13-5.10-lts 4e1bc8d8e8ae 171ec371 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/09 21:05 android13-5.10-lts 4e1bc8d8e8ae 171ec371 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/09 18:18 android13-5.10-lts 4e1bc8d8e8ae f3234354 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/09 18:04 android13-5.10-lts 4e1bc8d8e8ae f3234354 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/09 04:34 android13-5.10-lts 4e1bc8d8e8ae f3234354 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/08 11:09 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/08 09:04 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: workqueue lockup
2024/04/08 04:56 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/07 21:53 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: workqueue lockup
2024/04/07 14:57 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/07 12:41 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/07 06:54 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/04/07 01:56 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2022/03/12 13:24 android12-5.10-lts e1b86e7f5cbb 9e8eaa75 .config console log report info ci2-android-5-10 BUG: workqueue lockup
* Struck through repros no longer work on HEAD.