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: 712d, last: 2h01m
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 1558d 1964d 15/26 fixed on 2019/12/13 00:31
linux-5.15 BUG: workqueue lockup origin:upstream C 117 5h54m 349d 0/3 upstream: reported C repro on 2023/03/11 08:51
android-5-15 BUG: workqueue lockup origin:upstream missing-backport C error 207 3d16h 245d 0/2 upstream: reported C repro on 2023/06/22 22:19
upstream BUG: workqueue lockup (2) C 406 2114d 2272d 5/26 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup C 282 359d 1761d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 2295d 2306d 3/26 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (5) kernel C done 3419 now 1500d 0/26 upstream: reported C repro on 2020/01/14 22:04
upstream BUG: workqueue lockup (3) C 1215 2058d 2111d 8/26 fixed on 2018/07/09 18:05
android-6-1 BUG: workqueue lockup origin:upstream C error 140 4h27m 214d 0/2 upstream: reported C repro on 2023/07/23 17:25
android-414 BUG: workqueue lockup C 114 1623d 1779d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C error 41 353d 1767d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-5-10 BUG: workqueue lockup C error 25 753d 851d 0/2 closed as invalid on 2022/02/22 17:18
android-49 BUG: workqueue lockup C 69 1547d 1779d 0/3 public: reported C repro on 2019/04/11 08:44
linux-6.1 BUG: workqueue lockup origin:upstream C 73 9h16m 352d 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:
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 259s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 260s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 260s!
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=2/256 refcnt=3
    pending: vmstat_shepherd, regulator_init_complete_work_function
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=4/256 refcnt=5
    pending: neigh_periodic_work, neigh_periodic_work, gc_worker, check_lifetime
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: reg_check_chans_work
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
  pwq 0: cpus=0 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 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 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: addrconf_verify_work

Crashes (304):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2023/12/29 01:52 android13-5.10-lts f7977422e132 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/24 00:24 android13-5.10-lts f7977422e132 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/23 19:16 android13-5.10-lts f7977422e132 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/20 02:14 android13-5.10-lts f722f6ad16cf 3ad490ea .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/18 09:06 android13-5.10-lts f722f6ad16cf 3222d10c .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/13 08:21 android13-5.10-lts 98ed22fdc25f ebcad15c .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/13 05:53 android13-5.10-lts 98ed22fdc25f ebcad15c .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/09 15:39 android13-5.10-lts 389683767761 28b24332 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/09 07:52 android13-5.10-lts 389683767761 28b24332 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/09 04:39 android13-5.10-lts 389683767761 28b24332 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/06 13:45 android13-5.10-lts 02a4d4a11d37 858d62d1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/06 03:01 android13-5.10-lts 02a4d4a11d37 858d62d1 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/05 11:58 android13-5.10-lts 02a4d4a11d37 f819d6f7 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/04 08:33 android13-5.10-lts 02a4d4a11d37 f819d6f7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/04 05:21 android13-5.10-lts 02a4d4a11d37 f819d6f7 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/02 01:24 android13-5.10-lts 0da9a7bcb7a2 f819d6f7 .config console 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
2023/12/05 17:16 android13-5.10-lts 02a4d4a11d37 f819d6f7 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/12/01 18:48 android13-5.10-lts 0da9a7bcb7a2 f819d6f7 .config strace 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
2024/02/21 19:32 android13-5.10-lts dd976ecce2ce 345111b5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/20 17:15 android13-5.10-lts dd976ecce2ce 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/20 15:11 android13-5.10-lts dd976ecce2ce 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/18 17:37 android13-5.10-lts dd976ecce2ce 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/17 05:31 android13-5.10-lts dd976ecce2ce 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/15 06:13 android13-5.10-lts 57ffa73b11b0 d9b1cdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/14 05:32 android13-5.10-lts fc10db4b1932 d902085f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/12 22:19 android13-5.10-lts fc10db4b1932 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/11 06:32 android13-5.10-lts fc10db4b1932 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/10 09:54 android13-5.10-lts fc10db4b1932 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/09 18:28 android13-5.10-lts fc10db4b1932 77b23aa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/02/07 16:38 android13-5.10-lts 87a5e148c75b 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/29 12:14 android13-5.10-lts 1a7db4583e18 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/29 10:35 android13-5.10-lts 1a7db4583e18 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/27 03:01 android13-5.10-lts 1a7db4583e18 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/25 19:38 android13-5.10-lts 1a7db4583e18 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/23 07:51 android13-5.10-lts 1a7db4583e18 1c0ecc51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/23 06:04 android13-5.10-lts 1a7db4583e18 1c0ecc51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/21 07:16 android13-5.10-lts 1a7db4583e18 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/21 04:41 android13-5.10-lts 1a7db4583e18 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/19 19:55 android13-5.10-lts 1a7db4583e18 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/19 15:50 android13-5.10-lts 1a7db4583e18 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/18 21:49 android13-5.10-lts 1a7db4583e18 239abf84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/17 12:28 android13-5.10-lts 1a7db4583e18 c9a1c95b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/17 11:07 android13-5.10-lts 1a7db4583e18 c9a1c95b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/15 10:46 android13-5.10-lts d25beb655398 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/15 09:48 android13-5.10-lts d25beb655398 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/15 02:24 android13-5.10-lts 721689706261 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/12 14:51 android13-5.10-lts 721689706261 f6fa7c28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/12 03:20 android13-5.10-lts 721689706261 dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/11 09:21 android13-5.10-lts 721689706261 00f3cc59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/10 05:55 android13-5.10-lts 721689706261 b438bd66 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/07 09:06 android13-5.10-lts f7977422e132 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/06 11:11 android13-5.10-lts f7977422e132 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/06 08:25 android13-5.10-lts f7977422e132 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/06 01:55 android13-5.10-lts f7977422e132 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/04 22:25 android13-5.10-lts f7977422e132 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/04 16:57 android13-5.10-lts f7977422e132 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/04 01:00 android13-5.10-lts f7977422e132 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/03 22:23 android13-5.10-lts f7977422e132 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/02 19:25 android13-5.10-lts f7977422e132 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2024/01/02 14:04 android13-5.10-lts f7977422e132 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: workqueue lockup
2023/03/30 14:49 android12-5.10-lts 416c4356f372 f325deb0 .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.