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BUG: workqueue lockup (2)

Status: upstream: reported C repro on 2023/03/05 21:10
Reported-by: syzbot+94b3d6f6cf4c1e28df60@syzkaller.appspotmail.com
First crash: 987d, last: 1h38m
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 1833d 2239d 15/28 fixed on 2019/12/13 00:31
linux-5.15 BUG: workqueue lockup origin:upstream missing-backport C 479 9d11h 623d 0/3 upstream: reported C repro on 2023/03/11 08:51
android-5-15 BUG: workqueue lockup origin:upstream missing-backport C error 2053 11h11m 520d 0/2 upstream: reported C repro on 2023/06/22 22:19
upstream BUG: workqueue lockup (2) C 406 2389d 2547d 5/28 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup C 282 633d 2035d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 2570d 2580d 3/28 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (5) kernel C done 8892 46m 1775d 0/28 upstream: reported C repro on 2020/01/14 22:04
upstream BUG: workqueue lockup (3) C 1215 2333d 2386d 8/28 fixed on 2018/07/09 18:05
android-6-1 BUG: workqueue lockup origin:upstream missing-backport C error 2420 5h51m 489d 0/2 upstream: reported C repro on 2023/07/23 17:25
android-414 BUG: workqueue lockup C 114 1898d 2054d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C error 41 628d 2042d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-5-10 BUG: workqueue lockup C error 25 1028d 1126d 0/2 closed as invalid on 2022/02/22 17:18
android-49 BUG: workqueue lockup C 69 1822d 2053d 0/3 public: reported C repro on 2019/04/11 08:44
linux-6.1 BUG: workqueue lockup origin:upstream missing-backport C 212 4d12h 627d 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 OK (0) job log log
2022/09/22 07:49 28m bisect fix android12-5.10-lts OK (0) job log log
2022/08/23 07:16 31m bisect fix android12-5.10-lts OK (0) job log log
2022/07/24 06:47 28m bisect fix android12-5.10-lts OK (0) job log log

Sample crash report:
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 140s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 140s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: psi_avgs_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_shepherd
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=1/256 refcnt=2
    pending: check_lifetime
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: neigh_periodic_work, neigh_periodic_work, gc_worker
workqueue writeback: flags=0x4a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
    pending: wb_workfn
workqueue dm_bufio_cache: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: addrconf_verify_work

Crashes (4845):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/24 00:13 android13-5.10-lts b14940b90491 68da6d95 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/23 22:13 android13-5.10-lts b14940b90491 68da6d95 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 21:46 android13-5.10-lts 6a01908517df e7bb5d6e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 14:10 android13-5.10-lts 6a01908517df e7bb5d6e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/17 14:49 android13-5.10-lts 6a01908517df cfe3a04a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/16 22:38 android13-5.10-lts 6a01908517df cfe3a04a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/16 06:59 android13-5.10-lts 6a01908517df cfe3a04a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/16 05:13 android13-5.10-lts 6a01908517df cfe3a04a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/16 03:14 android13-5.10-lts 6a01908517df cfe3a04a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/15 21:56 android13-5.10-lts 6a01908517df cfe3a04a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/14 05:32 android13-5.10-lts 6a01908517df bb3f8425 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/13 17:18 android13-5.10-lts 6a01908517df bb3f8425 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/10 18:15 android13-5.10-lts 6a01908517df 6b856513 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/10 04:10 android13-5.10-lts 6a01908517df 6b856513 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/09 21:46 android13-5.10-lts 6a01908517df 6b856513 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/09 04:46 android13-5.10-lts 6a01908517df 6b856513 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/08 22:46 android13-5.10-lts 6a01908517df 6b856513 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/07 17:09 android13-5.10-lts e5e5644ea27f 867e44df .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/07 05:42 android13-5.10-lts e5e5644ea27f df3dc63b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/05 05:37 android13-5.10-lts e5e5644ea27f 509da429 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/05 02:56 android13-5.10-lts e5e5644ea27f 509da429 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/05 00:26 android13-5.10-lts e5e5644ea27f 509da429 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/04 20:55 android13-5.10-lts e5e5644ea27f 509da429 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/03 16:20 android13-5.10-lts e5e5644ea27f f00eed24 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/02 14:18 android13-5.10-lts e5e5644ea27f f00eed24 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/02 01:42 android13-5.10-lts e5e5644ea27f f00eed24 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/01 11:09 android13-5.10-lts e5e5644ea27f 96eb609f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/31 23:35 android13-5.10-lts e5e5644ea27f 96eb609f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/31 13:07 android13-5.10-lts e5e5644ea27f 96eb609f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/31 10:20 android13-5.10-lts e5e5644ea27f 96eb609f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/31 00:23 android13-5.10-lts e5e5644ea27f fb888278 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/30 04:26 android13-5.10-lts e5e5644ea27f 66aeb999 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/29 20:25 android13-5.10-lts e5e5644ea27f 66aeb999 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/28 23:06 android13-5.10-lts e5e5644ea27f 9efb3cc7 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/27 02:27 android13-5.10-lts e5e5644ea27f 65e8686b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/26 18:21 android13-5.10-lts e5e5644ea27f 65e8686b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/26 15:14 android13-5.10-lts e5e5644ea27f 65e8686b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/26 12:08 android13-5.10-lts e5e5644ea27f 65e8686b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/26 01:00 android13-5.10-lts e5e5644ea27f 045e728d .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/10/20 23:53 android13-5.10-lts e5e5644ea27f cd6fc0a3 .config console log report syz / log 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
2024/11/03 10:57 android13-5.10-lts e5e5644ea27f f00eed24 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/01 09:22 android13-5.10-lts e5e5644ea27f 96eb609f .config console log report syz / log [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
2024/11/24 02:38 android13-5.10-lts b14940b90491 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/23 18:05 android13-5.10-lts b14940b90491 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/23 17:45 android13-5.10-lts b14940b90491 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/23 11:10 android13-5.10-lts b14940b90491 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/23 00:21 android13-5.10-lts b14940b90491 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/22 21:02 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/22 16:12 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/22 12:24 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/22 11:09 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/22 04:08 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/22 02:57 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/22 02:54 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/21 17:58 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/21 15:12 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/21 12:58 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/21 11:57 android13-5.10-lts b14940b90491 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/21 08:01 android13-5.10-lts 6a01908517df 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/21 01:46 android13-5.10-lts 6a01908517df 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/20 18:21 android13-5.10-lts 6a01908517df 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/20 14:04 android13-5.10-lts 6a01908517df 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/20 10:59 android13-5.10-lts 6a01908517df 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/20 08:45 android13-5.10-lts 6a01908517df 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/20 02:03 android13-5.10-lts 6a01908517df 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 20:18 android13-5.10-lts 6a01908517df 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 16:05 android13-5.10-lts 6a01908517df 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 14:43 android13-5.10-lts 6a01908517df 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 13:14 android13-5.10-lts 6a01908517df 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 07:59 android13-5.10-lts 6a01908517df 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 06:39 android13-5.10-lts 6a01908517df 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 03:09 android13-5.10-lts 6a01908517df 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/19 02:08 android13-5.10-lts 6a01908517df 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 21:18 android13-5.10-lts 6a01908517df e7bb5d6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 16:51 android13-5.10-lts 6a01908517df e7bb5d6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 06:53 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 04:38 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 04:23 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/18 02:02 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/17 16:33 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/17 07:57 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/17 05:51 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/17 03:13 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/16 21:28 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/16 19:46 android13-5.10-lts 6a01908517df cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/11/04 02:03 android13-5.10-lts e5e5644ea27f f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf 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.