syzbot


BUG: workqueue lockup

Status: public: reported C repro on 2019/04/11 08:44
Reported-by: syzbot+79938bdf36ff188fb61d@syzkaller.appspotmail.com
First crash: 2188d, last: 1634d
Similar bugs (14)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: workqueue lockup (4) block C 47 1645d 2051d 15/26 fixed on 2019/12/13 00:31
linux-5.15 BUG: workqueue lockup origin:upstream C 180 14h30m 436d 0/3 upstream: reported C repro on 2023/03/11 08:51
android-5-15 BUG: workqueue lockup origin:upstream missing-backport C error 383 1h59m 332d 0/2 upstream: reported C repro on 2023/06/22 22:19
upstream BUG: workqueue lockup (2) C 406 2201d 2359d 5/26 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup C 282 446d 1847d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 2382d 2392d 3/26 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (5) kernel C done 4151 2h03m 1587d 0/26 upstream: reported C repro on 2020/01/14 22:04
android-5-10 BUG: workqueue lockup (2) C error 815 1h54m 441d 0/2 upstream: reported C repro on 2023/03/05 21:10
upstream BUG: workqueue lockup (3) C 1215 2145d 2198d 8/26 fixed on 2018/07/09 18:05
android-6-1 BUG: workqueue lockup origin:upstream C error 431 6h28m 301d 0/2 upstream: reported C repro on 2023/07/23 17:25
android-414 BUG: workqueue lockup C 114 1710d 1866d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C error 41 440d 1854d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-5-10 BUG: workqueue lockup C error 25 840d 938d 0/2 closed as invalid on 2022/02/22 17:18
linux-6.1 BUG: workqueue lockup origin:upstream C 138 4d04h 439d 0/3 upstream: reported C repro on 2023/03/07 17:51

Sample crash report:
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 150s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
    in-flight: 22:rtc_timer_do_work
    pending: vmstat_shepherd
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
    pending: gc_worker, neigh_periodic_work
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1
    pending: addrconf_verify_work
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=150s workers=2 idle: 18

Crashes (69):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/11/19 14:15 https://android.googlesource.com/kernel/common android-4.9 109a48ed2f69 adf636a8 .config console log report syz C ci-android-49-kasan-gce-root
2018/07/03 16:26 https://android.googlesource.com/kernel/common android-4.9 00a0bcbfcfb6 317fc8ea .config console log report syz C ci-android-49-kasan-gce-root
2018/06/22 12:18 https://android.googlesource.com/kernel/common android-4.9 e1815b3eba5b 095ef806 .config console log report syz C ci-android-49-kasan-gce
2018/05/23 18:58 https://android.googlesource.com/kernel/common android-4.9 d054505522c4 f48c20b8 .config console log report syz C ci-android-49-kasan-gce-root
2018/05/23 17:02 https://android.googlesource.com/kernel/common android-4.9 d054505522c4 f48c20b8 .config console log report syz C ci-android-49-kasan-gce
2018/06/22 13:10 https://android.googlesource.com/kernel/common android-4.9 e1815b3eba5b 095ef806 .config console log report syz ci-android-49-kasan-gce-root
2018/06/22 12:04 https://android.googlesource.com/kernel/common android-4.9 e1815b3eba5b 095ef806 .config console log report syz ci-android-49-kasan-gce-386
2019/11/28 20:24 android-4.9 13ff5130ff6e 46869e3e .config console log report ci-android-49-kasan-gce-root
2019/11/08 20:27 https://android.googlesource.com/kernel/common android-4.9 7fe05eede1c8 1e35461e .config console log report ci-android-49-kasan-gce-root
2019/09/08 17:16 https://android.googlesource.com/kernel/common android-4.9 9ca86082667c a60cb4cd .config console log report ci-android-49-kasan-gce-root
2019/08/30 19:16 https://android.googlesource.com/kernel/common android-4.9 76ae5009ed0a fd37b39e .config console log report ci-android-49-kasan-gce-root
2019/06/30 07:56 https://android.googlesource.com/kernel/common android-4.9 ab758e1039d6 7509bf36 .config console log report ci-android-49-kasan-gce-root
2019/06/18 17:16 https://android.googlesource.com/kernel/common android-4.9 cb0eff478ea9 e3f76baa .config console log report ci-android-49-kasan-gce-root
2019/05/03 14:21 https://android.googlesource.com/kernel/common android-4.9 2dbf78bcd85b 1bfa09b9 .config console log report ci-android-49-kasan-gce-root
2019/04/08 08:55 https://android.googlesource.com/kernel/common android-4.9 286f971000f1 c34fde03 .config console log report ci-android-49-kasan-gce-root
2019/04/04 07:33 https://android.googlesource.com/kernel/common android-4.9 e1a8babe929c d6fc4177 .config console log report ci-android-49-kasan-gce-root
2019/03/09 01:36 https://android.googlesource.com/kernel/common android-4.9 1597fdfe52ba 12365b99 .config console log report ci-android-49-kasan-gce-root
2019/03/05 14:25 https://android.googlesource.com/kernel/common android-4.9 1597fdfe52ba bb91cf81 .config console log report ci-android-49-kasan-gce-root
2019/03/04 15:27 https://android.googlesource.com/kernel/common android-4.9 1597fdfe52ba 7c693b52 .config console log report ci-android-49-kasan-gce-root
2019/01/15 22:09 https://android.googlesource.com/kernel/common android-4.9 91e954862a72 79cb1a7c .config console log report ci-android-49-kasan-gce-root
2019/01/09 03:29 https://android.googlesource.com/kernel/common android-4.9 043c92bd0517 010ed08b .config console log report ci-android-49-kasan-gce-root
2019/01/02 18:02 https://android.googlesource.com/kernel/common android-4.9 9f23a833fdcd f0491811 .config console log report ci-android-49-kasan-gce-root
2018/12/31 02:01 https://android.googlesource.com/kernel/common android-4.9 9f23a833fdcd 2b42fdc8 .config console log report ci-android-49-kasan-gce-root
2018/12/12 07:34 https://android.googlesource.com/kernel/common android-4.9 605e2ec6d679 7795ae03 .config console log report ci-android-49-kasan-gce-root
2018/11/25 22:59 https://android.googlesource.com/kernel/common android-4.9 f44ed2c9232d 3d3ec907 .config console log report ci-android-49-kasan-gce-root
2018/11/24 22:25 https://android.googlesource.com/kernel/common android-4.9 f44ed2c9232d ecc7c870 .config console log report ci-android-49-kasan-gce-root
2018/11/19 22:46 https://android.googlesource.com/kernel/common android-4.9 109a48ed2f69 adf636a8 .config console log report ci-android-49-kasan-gce-root
2018/11/10 10:07 https://android.googlesource.com/kernel/common android-4.9 ba62b3018e0d f9815aaf .config console log report ci-android-49-kasan-gce-root
2018/10/27 15:23 https://android.googlesource.com/kernel/common android-4.9 4ba3f69128be 8efba39a .config console log report ci-android-49-kasan-gce-root
2018/10/16 03:42 https://android.googlesource.com/kernel/common android-4.9 d589c0d40671 8cd30605 .config console log report ci-android-49-kasan-gce-root
2018/10/14 17:19 https://android.googlesource.com/kernel/common android-4.9 d589c0d40671 caf12900 .config console log report ci-android-49-kasan-gce-root
2018/10/08 15:39 https://android.googlesource.com/kernel/common android-4.9 7bebf33f9d46 8b311eaf .config console log report ci-android-49-kasan-gce-root
2018/10/07 04:39 https://android.googlesource.com/kernel/common android-4.9 7bebf33f9d46 8b311eaf .config console log report ci-android-49-kasan-gce-root
2018/09/26 18:20 https://android.googlesource.com/kernel/common android-4.9 b727d1c1a64f 455b6354 .config console log report ci-android-49-kasan-gce-root
2018/09/26 02:10 https://android.googlesource.com/kernel/common android-4.9 36daaf708bc0 b7e11289 .config console log report ci-android-49-kasan-gce-root
2018/09/24 18:51 https://android.googlesource.com/kernel/common android-4.9 1c57ba4f543b 2f485cdf .config console log report ci-android-49-kasan-gce-root
2018/09/24 02:26 https://android.googlesource.com/kernel/common android-4.9 1c57ba4f543b 28d9ac76 .config console log report ci-android-49-kasan-gce-root
2018/09/23 02:29 https://android.googlesource.com/kernel/common android-4.9 1c57ba4f543b 37079712 .config console log report ci-android-49-kasan-gce-root
2018/09/19 17:33 https://android.googlesource.com/kernel/common android-4.9 be4935d541ab 7f125108 .config console log report ci-android-49-kasan-gce-root
2018/09/08 06:52 https://android.googlesource.com/kernel/common android-4.9 dcae9fa1319b 6b5120a4 .config console log report ci-android-49-kasan-gce-root
2018/09/06 03:41 https://android.googlesource.com/kernel/common android-4.9 dcae9fa1319b 873745f2 .config console log report ci-android-49-kasan-gce-root
2018/09/04 10:37 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/02 12:05 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/08/31 23:41 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/08/30 11:57 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 6c7e9d3d .config console log report ci-android-49-kasan-gce-root
2018/08/02 14:25 https://android.googlesource.com/kernel/common android-4.9 0137ea2134c0 0a7cf4ec .config console log report ci-android-49-kasan-gce-root
2018/07/28 21:47 https://android.googlesource.com/kernel/common android-4.9 990559158c7b ebf656d7 .config console log report ci-android-49-kasan-gce-root
2018/07/24 11:31 https://android.googlesource.com/kernel/common android-4.9 47bbcd6bf8f9 912c93d7 .config console log report ci-android-49-kasan-gce-root
2018/07/02 23:09 https://android.googlesource.com/kernel/common android-4.9 00a0bcbfcfb6 574780b0 .config console log report ci-android-49-kasan-gce
2018/07/02 21:48 https://android.googlesource.com/kernel/common android-4.9 00a0bcbfcfb6 574780b0 .config console log report ci-android-49-kasan-gce
2018/07/02 20:59 https://android.googlesource.com/kernel/common android-4.9 00a0bcbfcfb6 574780b0 .config console log report ci-android-49-kasan-gce
2018/06/30 09:24 https://android.googlesource.com/kernel/common android-4.9 00a0bcbfcfb6 dba0b50e .config console log report ci-android-49-kasan-gce
2018/06/27 06:57 https://android.googlesource.com/kernel/common android-4.9 00a0bcbfcfb6 b0294c53 .config console log report ci-android-49-kasan-gce
2018/06/24 00:57 https://android.googlesource.com/kernel/common android-4.9 7cecc756ceae 2064fc5c .config console log report ci-android-49-kasan-gce
2018/06/22 09:17 https://android.googlesource.com/kernel/common android-4.9 e1815b3eba5b 095ef806 .config console log report ci-android-49-kasan-gce
2018/06/20 05:37 https://android.googlesource.com/kernel/common android-4.9 e1815b3eba5b 095ef806 .config console log report ci-android-49-kasan-gce
2018/06/20 03:03 https://android.googlesource.com/kernel/common android-4.9 e1815b3eba5b 095ef806 .config console log report ci-android-49-kasan-gce
2018/06/18 14:11 https://android.googlesource.com/kernel/common android-4.9 a4230beab30a 27c5f59f .config console log report ci-android-49-kasan-gce
2018/06/17 16:52 https://android.googlesource.com/kernel/common android-4.9 a4230beab30a 27c5f59f .config console log report ci-android-49-kasan-gce
2018/06/08 20:14 https://android.googlesource.com/kernel/common android-4.9 db2c520bb56b 866118af .config console log report ci-android-49-kasan-gce
2018/06/08 14:17 https://android.googlesource.com/kernel/common android-4.9 42a730adb6e2 f7b27b7a .config console log report ci-android-49-kasan-gce
2018/05/23 13:55 https://android.googlesource.com/kernel/common android-4.9 d054505522c4 f48c20b8 .config console log report ci-android-49-kasan-gce
2018/07/03 20:18 https://android.googlesource.com/kernel/common android-4.9 00a0bcbfcfb6 317fc8ea .config console log report ci-android-49-kasan-gce-386
2018/06/08 13:51 https://android.googlesource.com/kernel/common android-4.9 42a730adb6e2 f7b27b7a .config console log report ci-android-49-kasan-gce-386
2018/06/01 12:36 https://android.googlesource.com/kernel/common android-4.9 d7e64f8022e4 2f93b54f .config console log report ci-android-49-kasan-gce-386
2018/06/01 11:48 https://android.googlesource.com/kernel/common android-4.9 d7e64f8022e4 2f93b54f .config console log report ci-android-49-kasan-gce-386
2018/06/01 03:00 https://android.googlesource.com/kernel/common android-4.9 a56900fabe12 2f93b54f .config console log report ci-android-49-kasan-gce-386
2018/05/31 14:28 https://android.googlesource.com/kernel/common android-4.9 0c296e3d878b 2f93b54f .config console log report ci-android-49-kasan-gce-386
2018/05/23 19:14 https://android.googlesource.com/kernel/common android-4.9 d054505522c4 f48c20b8 .config console log report ci-android-49-kasan-gce-386
* Struck through repros no longer work on HEAD.