syzbot


INFO: task hung in __get_super
Status: fixed on 2019/06/20 05:27
Reported-by: syzbot+10007d66ca02b08f0e60@syzkaller.appspotmail.com
Fix commit: 33ec3e53e7b1 loop: Don't change loop device under exclusive opener
First crash: 1346d, last: 901d
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task hung in mount_bdev (2) C done 1 953d 949d 0/22 closed as dup on 2019/05/03 10:52
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 INFO: task hung in __get_super 1 1190d 1190d 0/1 auto-closed as invalid on 2019/03/02 05:51
linux-4.19 INFO: task hung in __get_super C error 71 60d 963d 0/1 upstream: reported C repro on 2019/04/18 15:16
linux-4.14 INFO: task hung in __get_super C 161 14d 967d 0/1 upstream: reported C repro on 2019/04/14 10:41
Patch testing requests:
Created Duration User Patch Repo Result
2019/05/16 11:48 18m jack@suse.cz patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git v5.1 OK
2019/05/15 10:21 18m jack@suse.cz patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git v5.1 OK
2019/05/12 02:22 15m penguin-kernel@i-love.sakura.ne.jp patch upstream report log
2019/05/11 13:57 19m penguin-kernel@i-love.sakura.ne.jp patch upstream report log
2019/05/10 10:30 16m penguin-kernel@i-love.sakura.ne.jp patch upstream report log
2019/05/09 15:05 14m penguin-kernel@i-love.sakura.ne.jp patch upstream report log
2019/05/09 14:53 16m dvyukov@google.com git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 037904a2 log
2019/05/09 14:18 14m penguin-kernel@i-love.sakura.ne.jp patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ea9866793d1e925b4d320eaea409263b2a568f38 log
2019/05/09 13:53 15m penguin-kernel@i-love.sakura.ne.jp patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ea9866793d1e925b4d320eaea409263b2a568f38 log
2019/05/09 13:27 15m penguin-kernel@i-love.sakura.ne.jp patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ea9866793d1e925b4d320eaea409263b2a568f38 log
2019/04/30 10:18 15m penguin-kernel@i-love.sakura.ne.jp patch git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 3d17a1de96a233cf89bfbb5a77ebb1a05c420681 log
2019/04/29 22:25 15m penguin-kernel@i-love.sakura.ne.jp patch upstream log
2019/04/29 12:54 15m penguin-kernel@i-love.sakura.ne.jp patch upstream log

Sample crash report:

Crashes (80):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2019/04/28 18:13 upstream 037904a22bf8 b617407b .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/06/20 03:05 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce-root 2019/05/03 08:00 upstream ea9866793d1e 1bfa09b9 .config log report
ci-upstream-kasan-gce-smack-root 2019/04/22 19:07 upstream 085b7755808a 0a77c33c .config log report
ci-upstream-kasan-gce-root 2019/04/14 17:43 upstream 4443f8e6ac77 505ab413 .config log report
ci-upstream-kasan-gce-selinux-root 2019/04/14 07:35 upstream 4443f8e6ac77 c402d8f1 .config log report
ci-upstream-kasan-gce-root 2019/04/03 14:55 upstream a816fd6b49b6 dfd3394d .config log report
ci-upstream-kasan-gce-root 2019/03/25 22:27 upstream 8c2ffd917477 55684ce1 .config log report
ci-upstream-kasan-gce-smack-root 2019/03/23 05:24 upstream fd1f297b794c 3361bde5 .config log report
ci-upstream-kasan-gce-smack-root 2019/03/02 11:28 upstream a215ce8f0e00 1c0e457a .config log report
ci-upstream-kasan-gce-smack-root 2019/03/01 06:04 upstream 7d762d69145a 8a4b3a6b .config log report
ci-upstream-kasan-gce-root 2019/02/28 16:53 upstream 7d762d69145a 09aeeba4 .config log report
ci-upstream-kasan-gce-root 2019/02/26 12:09 upstream 7d762d69145a a36ecd98 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/24 08:41 upstream e60b5f79bd75 7a06e792 .config log report
ci-upstream-kasan-gce-root 2019/02/21 03:25 upstream 2137397c92ae c95f0707 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/18 16:14 upstream 2fee036af043 59f36113 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/17 17:54 upstream 8d33316d5205 3e98cc30 .config log report
ci-upstream-kasan-gce-root 2019/02/16 20:12 upstream 5ded5871030e f42dee6d .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/15 17:56 upstream cb5b020a8d38 f6f233c0 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/13 09:50 upstream 57902dc0670c 1eedba36 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/11 16:47 upstream d13937116f1e 73f5f452 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/07 15:13 upstream b0314565da2b aa4feb03 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/07 10:03 upstream b0314565da2b aa4feb03 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/06 18:20 upstream 8834f5600cf3 d25487bc .config log report
ci-upstream-kasan-gce-root 2019/02/05 18:38 upstream 8834f5600cf3 d672172c .config log report
ci-upstream-kasan-gce-smack-root 2019/02/04 09:24 upstream 8834f5600cf3 c198d5dd .config log report
ci-upstream-kasan-gce-smack-root 2019/01/29 14:23 upstream 4aa9fc2a435a aa432daf .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/25 05:10 upstream c04e2a780caf bfab9cd8 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/22 13:24 upstream 48b161983ae5 985f75cc .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/19 13:08 upstream 2339e91d0e66 8aa587b0 .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/19 08:34 upstream 2339e91d0e66 2103a236 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/18 08:00 upstream a3a80255d58d 5bf17c30 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/13 16:14 upstream e1706720408e c3f3344c .config log report
ci-upstream-kasan-gce-smack-root 2019/01/07 17:15 upstream 3bd6e94bec12 69d69aa9 .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/05 07:22 upstream 3fed6ae4b027 53be0a37 .config log report
ci-upstream-kasan-gce-root 2018/12/30 22:42 upstream 195303136f19 9942de5f .config log report
ci-upstream-kasan-gce-root 2018/12/28 09:28 upstream b71acb0e3721 af317504 .config log report
ci-upstream-kasan-gce-smack-root 2018/12/24 13:22 upstream 8fe28cb58bcb be79df56 .config log report
ci-upstream-kasan-gce-root 2018/12/15 05:45 upstream eb6cf9f8cb9d 7624ddd6 .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/13 09:41 upstream f5d582777bcb f3d9d594 .config log report
ci-upstream-kasan-gce-smack-root 2018/12/11 14:25 upstream f5d582777bcb 7795ae03 .config log report
ci-upstream-kasan-gce-root 2018/12/11 12:45 upstream f5d582777bcb 7795ae03 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/30 17:21 upstream 94f371cb7394 ade12e91 .config log report
ci-upstream-kasan-gce-root 2018/11/26 09:48 upstream 2e6e902d1850 ac912200 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/22 02:00 upstream 92b419289cee 9db828b5 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/21 01:48 upstream 06e68fed3282 9aca6b52 .config log report
ci-upstream-kasan-gce-root 2018/11/17 06:02 upstream 1ce80e0fe98e b08ee62a .config log report
ci-upstream-kasan-gce-root 2018/11/14 05:14 upstream ccda4af0f4b9 5f5f6d14 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/09 13:14 upstream 24ccea7e102d 8fd01d3a .config log report
ci-upstream-kasan-gce-root 2018/11/05 05:41 upstream 4710e78940d8 8bd6bd63 .config log report
ci-upstream-kasan-gce-selinux-root 2018/10/26 16:12 upstream e5f6d9afa341 a8292de9 .config log report
ci-upstream-kasan-gce-root 2018/10/26 04:01 upstream bd6bf7c10484 a8292de9 .config log report
ci-upstream-kasan-gce-root 2018/10/25 17:14 upstream bd6bf7c10484 a8292de9 .config log report
ci-upstream-kasan-gce-root 2018/10/05 21:04 upstream b2e45b46d85b 8b311eaf .config log report
ci-upstream-kasan-gce-root 2018/06/26 02:49 upstream 6f0d349d922b 2064fc5c .config log report
ci-upstream-kasan-gce-root 2018/06/24 17:21 upstream 7daf201d7fe8 2064fc5c .config log report
ci-upstream-kasan-gce-root 2018/06/22 00:56 upstream 27db64f65f1b 095ef806 .config log report
ci-upstream-kasan-gce-root 2018/06/21 20:54 upstream 1abd8a8f39cd 095ef806 .config log report
ci-upstream-kasan-gce-root 2018/06/18 08:43 upstream 9ffc59d57228 27c5f59f .config log report
ci-upstream-kasan-gce-root 2018/05/31 11:02 upstream 88a867653065 2f93b54f .config log report
ci-upstream-kasan-gce-root 2018/05/10 04:05 upstream 008464a9360e 12c7428a .config log report
ci-upstream-kasan-gce-root 2018/05/06 05:36 upstream ee946c36be21 78b251cb .config log report
ci-upstream-kasan-gce-root 2018/05/04 23:29 upstream 625e2001e99e 9ce14f4b .config log report
ci-upstream-kasan-gce-root 2018/03/31 22:20 upstream 10b84daddbec 0174c6c8 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/04/21 14:54 linux-next 3f018f4a019a b0e8efcb .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/22 04:43 linux-next 32a217bae32c dce6e62f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/16 08:26 linux-next cf08baa29613 bab43553 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/05 11:42 linux-next baf5a9d1f9b9 bb91cf81 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/18 00:29 linux-next 7a92eb7cc1dc 3e98cc30 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/16 04:26 linux-next 5aa6589e17bd b47fa78d .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/06 00:25 linux-next a4983672f9ca 53be0a37 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/04 12:35 linux-next a4983672f9ca 7da23925 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/02 04:47 linux-next 6a1d293238c1 3d85f48c .config log report
ci-upstream-linux-next-kasan-gce-root 2018/12/10 00:57 linux-next 74c4a24df7ca 96cc4c50 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/23 02:18 linux-next 442b8cea2477 87815d9d .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/15 12:11 linux-next 442b8cea2477 5f5f6d14 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/10/08 23:11 linux-next ae16eea39a86 8b311eaf .config log report
ci-upstream-linux-next-kasan-gce-root 2018/08/01 23:14 linux-next d9bd94c0bcaa 0a7cf4ec .config log report