syzbot


INFO: task hung in __blkdev_get
Status: fixed on 2018/05/08 18:30
Reported-by: syzbot+48594378e9851eab70bcd6f99327c7db58c5a28a@syzkaller.appspotmail.com
Fix commit: 1e047eaab3bb block/loop: fix deadlock after loop_set_status
First crash: 1393d, last: 1259d
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in __blkdev_get C 1504 664d 897d 0/3 public: reported C repro on 2019/04/12 00:00
android-44 INFO: task hung in __blkdev_get syz 521 666d 895d 0/2 public: reported syz repro on 2019/04/14 00:02
android-414 INFO: task hung in __blkdev_get 1859 664d 896d 0/1 auto-closed as invalid on 2020/02/28 16:13
upstream INFO: task hung in __blkdev_get (3) 1 890d 890d 0/22 closed as invalid on 2019/05/08 13:05
upstream INFO: task hung in __blkdev_get (2) 11 988d 1112d 0/22 closed as dup on 2018/09/08 15:48
linux-4.14 INFO: task hung in __blkdev_get C 671 22d 897d 0/1 upstream: reported C repro on 2019/04/11 13:17
linux-4.19 INFO: task hung in __blkdev_get C 62 2d21h 774d 0/1 upstream: reported C repro on 2019/08/13 00:10
upstream INFO: task hung in __blkdev_get (4) 1 708d 708d 0/22 auto-closed as invalid on 2020/01/15 05:33
upstream INFO: task hung in __blkdev_get (5) 8 287d 501d 0/22 auto-closed as invalid on 2021/03/11 14:46

Sample crash report:

Crashes (662):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-mmots-kasan-gce 2017/12/03 15:49 mmots 4131d5166185 29b0fd90 .config log report syz C
ci-upstream-kasan-gce-386 2018/03/10 06:33 upstream 719ea86151f3 36d1c454 .config log report syz
ci-upstream-kasan-gce 2018/04/14 08:16 upstream 1bad9ce155a7 7a67784c .config log report
ci-upstream-kasan-gce 2018/04/14 05:18 upstream 1bad9ce155a7 7a67784c .config log report
ci-upstream-kasan-gce-root 2018/04/14 00:56 upstream 1bad9ce155a7 7a67784c .config log report
ci-upstream-kasan-gce 2018/04/13 23:07 upstream 1bad9ce155a7 7a67784c .config log report
ci-upstream-kasan-gce 2018/04/13 15:02 upstream 16e205cf42da 0a0c5db6 .config log report
ci-upstream-kasan-gce 2018/04/13 04:08 upstream c17b0aadb7d8 eb2295de .config log report
ci-upstream-kasan-gce 2018/04/13 01:09 upstream c17b0aadb7d8 eb2295de .config log report
ci-upstream-kasan-gce-root 2018/04/12 12:32 upstream b284d4d5a678 9cd56d71 .config log report
ci-upstream-kasan-gce 2018/04/12 09:53 upstream b284d4d5a678 9cd56d71 .config log report
ci-upstream-kasan-gce-root 2018/04/11 22:34 upstream b284d4d5a678 9cd56d71 .config log report
ci-upstream-kasan-gce 2018/04/11 13:45 upstream b284d4d5a678 8b8de427 .config log report
ci-upstream-kasan-gce 2018/04/11 01:18 upstream c18bb396d3d2 8b8de427 .config log report
ci-upstream-kasan-gce 2018/04/10 23:19 upstream c18bb396d3d2 8b8de427 .config log report
ci-upstream-kasan-gce-root 2018/04/10 20:15 upstream c18bb396d3d2 8b8de427 .config log report
ci-upstream-kasan-gce 2018/04/10 14:03 upstream c18bb396d3d2 8e873e9d .config log report
ci-upstream-kasan-gce 2018/04/10 04:53 upstream fd40ffc72e2f b9f65507 .config log report
ci-upstream-kasan-gce 2018/04/09 13:46 upstream 3fd14cdcc05a f13fb445 .config log report
ci-upstream-kasan-gce-root 2018/04/08 18:35 upstream 3fd14cdcc05a 77bd5117 .config log report
ci-upstream-kasan-gce 2018/04/07 21:54 upstream 3fd14cdcc05a 66f22a7f .config log report
ci-upstream-kasan-gce 2018/04/07 10:39 upstream 3fd14cdcc05a d613535f .config log report
ci-upstream-kasan-gce 2018/04/06 09:34 upstream e02d37bf55a9 a932eae6 .config log report
ci-upstream-kasan-gce 2018/04/06 03:09 upstream e02d37bf55a9 a932eae6 .config log report
ci-upstream-kasan-gce-root 2018/04/05 13:30 upstream 06dd3dfeea60 5e1ccffc .config log report
ci-upstream-kasan-gce-root 2018/04/05 06:00 upstream 3e968c9f1401 676bd07e .config log report
ci-upstream-kasan-gce 2018/04/05 04:47 upstream 3e968c9f1401 676bd07e .config log report
ci-upstream-kasan-gce 2018/04/05 00:40 upstream 3e968c9f1401 676bd07e .config log report
ci-upstream-kasan-gce 2018/04/04 19:40 upstream 17dec0a94915 676bd07e .config log report
ci-upstream-kasan-gce-386 2018/04/12 07:40 upstream f2d285669aae 9cd56d71 .config log report
ci-upstream-kasan-gce-386 2018/04/11 19:31 upstream f2d285669aae 8b8de427 .config log report
ci-upstream-kasan-gce-386 2018/04/10 16:34 upstream f2d285669aae 8e873e9d .config log report
ci-upstream-kasan-gce-386 2018/04/10 05:55 upstream f2d285669aae b9f65507 .config log report
ci-upstream-kasan-gce-386 2018/04/10 03:51 upstream f2d285669aae b9f65507 .config log report
ci-upstream-kasan-gce-386 2018/04/09 19:38 upstream f2d285669aae f13fb445 .config log report
ci-upstream-kasan-gce-386 2018/04/09 03:37 upstream f2d285669aae 77bd5117 .config log report
ci-upstream-kasan-gce-386 2018/04/08 22:25 upstream f2d285669aae 77bd5117 .config log report
ci-upstream-kasan-gce-386 2018/04/08 05:07 upstream f2d285669aae 66f22a7f .config log report
ci-upstream-kasan-gce-386 2018/04/07 18:50 upstream f2d285669aae 66f22a7f .config log report
ci-upstream-kasan-gce-386 2018/04/07 06:32 upstream f2d285669aae d613535f .config log report
ci-upstream-kasan-gce-386 2018/04/07 05:00 upstream f2d285669aae d613535f .config log report
ci-upstream-kasan-gce-386 2018/04/07 01:06 upstream f2d285669aae d613535f .config log report
ci-upstream-kasan-gce-386 2018/04/06 06:16 upstream f2d285669aae a932eae6 .config log report
ci-upstream-kasan-gce-386 2018/04/05 14:39 upstream f2d285669aae 5e1ccffc .config log report