syzbot


BUG: workqueue lockup (3)
Status: fixed on 2018/07/09 18:05
Reported-by: syzbot+51a45b2c02fda03d48c5@syzkaller.appspotmail.com
Fix commit: 4fb48871409e restore cond_resched() in shrink_dcache_parent()
First crash: 1302d, last: 1250d
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: workqueue lockup (4) C 47 749d 1156d 16/22 fixed on 2019/12/13 00:31
upstream BUG: workqueue lockup (2) C 406 1306d 1464d 6/22 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup C 221 7d05h 952d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup C 172 1486d 1497d 3/22 fixed on 2017/11/11 01:37
upstream BUG: workqueue lockup (5) C done 101 11d 691d 0/22 upstream: reported C repro on 2020/01/14 22:04
android-414 BUG: workqueue lockup C 114 815d 970d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup C 29 23d 959d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-5-10 BUG: workqueue lockup C error 9 2d10h 43d 0/1 internal: reported C repro on 2021/10/24 15:20
android-49 BUG: workqueue lockup C 69 739d 970d 0/3 public: reported C repro on 2019/04/11 08:44

Sample crash report:

Crashes (1215):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2018/07/03 15:48 upstream d0fbad0aec1d 317fc8ea .config log report syz C
ci-upstream-kasan-gce-root 2018/06/24 06:20 upstream 77072ca59fdd 2064fc5c .config log report syz C
ci-upstream-kasan-gce-root 2018/06/19 04:14 upstream ba4dbdedd3ed 45c54f75 .config log report syz C
ci-upstream-kasan-gce-root 2018/06/19 02:27 upstream ba4dbdedd3ed 45c54f75 .config log report syz C
ci-upstream-kasan-gce 2018/05/19 23:15 upstream 0b449a441dac f48c20b8 .config log report syz C
ci-upstream-kasan-gce-root 2018/05/19 17:20 upstream 73fcb1a370c7 849705db .config log report syz C
ci-upstream-bpf-next-kasan-gce 2018/05/28 02:48 bpf-next a493f5f9d8c2 f48c20b8 .config log report syz C
ci-upstream-kasan-gce-root 2018/06/25 02:08 upstream 7daf201d7fe8 2064fc5c .config log report syz
ci-upstream-kasan-gce 2018/06/16 02:31 upstream 4c5e8fc62d6a 27c5f59f .config log report syz
ci-upstream-kasan-gce-root 2018/06/11 11:12 upstream f0dc7f9c6dd9 ae8bdb50 .config log report syz
ci-upstream-kasan-gce-root 2018/05/20 05:39 upstream 0b449a441dac f48c20b8 .config log report syz
ci-upstream-kasan-gce-386 2018/05/19 22:35 upstream 0b449a441dac f48c20b8 .config log report syz
ci-upstream-kasan-gce-root 2018/07/05 04:56 upstream fc36def997cf e1b966c6 .config log report
ci-upstream-kasan-gce-root 2018/07/04 04:36 upstream 410da1e12ffe 317fc8ea .config log report
ci-upstream-kasan-gce 2018/07/04 00:16 upstream 410da1e12ffe 317fc8ea .config log report
ci-upstream-kasan-gce 2018/07/03 14:23 upstream d0fbad0aec1d 317fc8ea .config log report
ci-upstream-kasan-gce 2018/07/03 13:05 upstream d0fbad0aec1d 317fc8ea .config log report
ci-upstream-kasan-gce-root 2018/07/03 10:36 upstream d0fbad0aec1d 317fc8ea .config log report
ci-upstream-kasan-gce 2018/07/03 07:51 upstream d0fbad0aec1d 317fc8ea .config log report
ci-upstream-kasan-gce 2018/07/02 23:02 upstream 021c91791a5e 574780b0 .config log report
ci-upstream-kasan-gce-root 2018/07/02 02:54 upstream d3bc0e67f852 dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/07/01 20:21 upstream 883c9ab9eb59 dba0b50e .config log report
ci-upstream-kasan-gce 2018/07/01 17:09 upstream 883c9ab9eb59 dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/07/01 15:07 upstream 883c9ab9eb59 dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/07/01 13:52 upstream 883c9ab9eb59 dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 21:12 upstream 0fbc4aeabc91 dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 18:29 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 16:10 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 14:46 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 13:16 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 12:04 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 10:01 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 06:29 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 05:21 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 04:02 upstream 1904148a361a dba0b50e .config log report
ci-upstream-kasan-gce-root 2018/06/30 02:57 upstream 2cd3ae212973 dba0b50e .config log report
ci-upstream-kasan-gce-386 2018/07/05 15:24 upstream fc36def997cf f525fd72 .config log report
ci-upstream-kasan-gce-386 2018/07/05 13:59 upstream fc36def997cf f525fd72 .config log report
ci-upstream-kasan-gce-386 2018/07/05 12:50 upstream fc36def997cf f525fd72 .config log report
ci-upstream-kasan-gce-386 2018/07/05 07:00 upstream fc36def997cf f525fd72 .config log report
ci-upstream-kasan-gce-386 2018/07/05 03:30 upstream fc36def997cf e1b966c6 .config log report
ci-upstream-kasan-gce-386 2018/07/05 02:04 upstream fc36def997cf e1b966c6 .config log report
ci-upstream-kasan-gce-386 2018/07/04 10:00 upstream fc36def997cf 317fc8ea .config log report
ci-upstream-kasan-gce-386 2018/07/04 01:22 upstream 410da1e12ffe 317fc8ea .config log report
ci-upstream-kasan-gce-386 2018/07/03 17:40 upstream d0fbad0aec1d 317fc8ea .config log report
ci-upstream-kasan-gce-386 2018/07/03 02:22 upstream 021c91791a5e 574780b0 .config log report
ci-upstream-kasan-gce-386 2018/07/02 20:28 upstream 021c91791a5e 574780b0 .config log report
ci-upstream-kasan-gce-386 2018/07/02 05:09 upstream d3bc0e67f852 dba0b50e .config log report
ci-upstream-kasan-gce-386 2018/07/01 19:05 upstream 883c9ab9eb59 dba0b50e .config log report
ci-upstream-kasan-gce-386 2018/07/01 12:19 upstream 883c9ab9eb59 dba0b50e .config log report
ci-upstream-kasan-gce-386 2018/07/01 07:19 upstream 0fbc4aeabc91 dba0b50e .config log report
ci-upstream-kasan-gce-386 2018/07/01 04:32 upstream 0fbc4aeabc91 dba0b50e .config log report
ci-upstream-kasan-gce-386 2018/07/01 00:15 upstream 0fbc4aeabc91 dba0b50e .config log report
ci-upstream-kasan-gce-386 2018/06/30 08:11 upstream 1904148a361a dba0b50e .config log report
ci-upstream-bpf-next-kasan-gce 2018/06/13 15:46 bpf-next 75d4e704fa8d 27c5f59f .config log report
ci-upstream-net-kasan-gce 2018/06/05 06:16 net-next 4cd328f83916 a50d873b .config log report
ci-upstream-bpf-next-kasan-gce 2018/05/13 22:25 bpf-next a84880ef4352 481f030c .config log report