syzbot


INFO: task hung in __blkdev_get
Status: upstream: reported C repro on 2019/08/13 00:10
Reported-by: syzbot+daad98bf0e9fc3cdbb5c@syzkaller.appspotmail.com
First crash: 839d, last: 2d09h
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 730d 962d 0/3 public: reported C repro on 2019/04/12 00:00
android-44 INFO: task hung in __blkdev_get syz 521 732d 960d 0/2 public: reported syz repro on 2019/04/14 00:02
android-414 INFO: task hung in __blkdev_get 1859 729d 961d 0/1 auto-closed as invalid on 2020/02/28 16:13
upstream INFO: task hung in __blkdev_get (3) 1 955d 955d 0/22 closed as invalid on 2019/05/08 13:05
upstream INFO: task hung in __blkdev_get (2) 11 1054d 1177d 0/22 closed as dup on 2018/09/08 15:48
linux-4.14 INFO: task hung in __blkdev_get C 672 29d 963d 0/1 upstream: reported C repro on 2019/04/11 13:17
upstream INFO: task hung in __blkdev_get C 662 1325d 1451d 6/22 fixed on 2018/05/08 18:30
upstream INFO: task hung in __blkdev_get (4) 1 774d 774d 0/22 auto-closed as invalid on 2020/01/15 05:33
upstream INFO: task hung in __blkdev_get (5) 8 353d 567d 0/22 auto-closed as invalid on 2021/03/11 14:46

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/08/27 01:12 linux-4.19.y e23d55af0e1f 8620c2c2 .config log syz C
ci2-linux-4-19 2021/06/16 02:56 linux-4.19.y 9a2dc0e6c531 8620c2c2 .config log syz C
ci2-linux-4-19 2020/12/31 20:19 linux-4.19.y 3207316b3bee 8620c2c2 .config log syz C
ci2-linux-4-19 2020/12/01 19:42 linux-4.19.y 0c88e405c97e 8620c2c2 .config log syz C
ci2-linux-4-19 2020/09/30 08:51 linux-4.19.y 10ad6cfd5736 8620c2c2 .config log syz C
ci2-linux-4-19 2020/08/25 17:25 linux-4.19.y d18b78abc0c6 8620c2c2 .config log syz C
ci2-linux-4-19 2020/07/16 16:25 linux-4.19.y 17a87580a885 8620c2c2 .config log syz C
ci2-linux-4-19 2020/06/10 07:34 linux-4.19.y 106fa147d3da 8620c2c2 .config log syz C
ci2-linux-4-19 2020/03/25 03:43 linux-4.19.y 14cfdbd39e31 8620c2c2 .config log syz C
ci2-linux-4-19 2020/02/24 03:06 linux-4.19.y 4fccc2503536 8620c2c2 .config log syz C
ci2-linux-4-19 2020/01/25 02:27 linux-4.19.y d183c8e2647a 8620c2c2 .config log syz C
ci2-linux-4-19 2019/12/26 01:49 linux-4.19.y 672481c2deff 8620c2c2 .config log syz C
Crashes (71):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/08/12 23:09 linux-4.19.y 893af1c79e42 8620c2c2 .config log report syz C
ci2-linux-4-19 2021/07/08 04:08 linux-4.19.y 9f84340f012e 95793bce .config log report syz INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/27 06:10 linux-4.19.y 3f8a27f9e27b 63eeac02 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/15 23:21 linux-4.19.y 3f8a27f9e27b 75b04091 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/12 14:51 linux-4.19.y 3f8a27f9e27b 75b04091 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/09 13:35 linux-4.19.y 3f8a27f9e27b 59bcaf9a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/09 00:28 linux-4.19.y 3f8a27f9e27b 8ab17e57 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/08 21:47 linux-4.19.y 3f8a27f9e27b d29682f1 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/11/07 20:27 linux-4.19.y 3f8a27f9e27b 4c1be0be .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/10/27 15:52 linux-4.19.y 3f8a27f9e27b be531bb4 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/10/03 00:09 linux-4.19.y c2276d585654 db0f5787 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/09/22 02:20 linux-4.19.y b172b44fcb17 169724fe .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/09/17 02:29 linux-4.19.y b172b44fcb17 5b989942 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/28 00:36 linux-4.19.y 4938296e03bd 17d6ab15 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/11 13:19 linux-4.19.y fcfbdfe9626e 8f5a7b8c .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/10 07:58 linux-4.19.y 9f84340f012e 8f5a7b8c .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/07/02 06:41 linux-4.19.y 9f84340f012e 658ebc66 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/06/16 13:01 linux-4.19.y eb575cd5d7f6 c06f97ad .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/05/17 02:09 linux-4.19.y 3c8c23092588 f54a5c09 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/05/14 04:15 linux-4.19.y 3c8c23092588 8bdd5343 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/05/11 07:53 linux-4.19.y 3c8c23092588 ca873091 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/30 17:12 linux-4.19.y 97a8651cadce 77e2b668 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/28 09:59 linux-4.19.y 2965db2e004c 77e2b668 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/15 16:52 linux-4.19.y 0f1b4cb77d7f c59079a6 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/14 22:48 linux-4.19.y 0f1b4cb77d7f fcdb12ba .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/14 09:20 linux-4.19.y 0f1b4cb77d7f 3134b37f .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/14 08:13 linux-4.19.y 0f1b4cb77d7f a184b83e .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/12 08:41 linux-4.19.y 830a059cbba6 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/12 02:56 linux-4.19.y 830a059cbba6 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/11 19:25 linux-4.19.y 830a059cbba6 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/09 04:30 linux-4.19.y b4454811f122 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/08 09:59 linux-4.19.y b4454811f122 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/08 07:24 linux-4.19.y b4454811f122 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/07 09:37 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/06 17:47 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/06 08:20 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/06 01:59 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/05 22:24 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/05 20:58 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/05 11:28 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/05 05:58 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/04 09:36 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/03 23:29 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/03 21:09 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/03 08:54 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/02 17:52 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/04/02 05:23 linux-4.19.y 2034d6f0838e 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/03/29 20:38 linux-4.19.y 78fec1611cbf 6a81331a .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/03/17 05:27 linux-4.19.y 030194a5b292 fdb2bb2c .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/02/21 00:49 linux-4.19.y 255b58a2b3af 3e5ed8b4 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/02/14 18:18 linux-4.19.y 811218eceeaa 98682e5e .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/02/07 08:00 linux-4.19.y 811218eceeaa 2ce644fc .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/02/04 00:16 linux-4.19.y 811218eceeaa 624dad51 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/01/27 22:26 linux-4.19.y c4ff839de17f a57db36f .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/01/21 19:23 linux-4.19.y 43d555d83c3f d4f4eca5 .config log report info INFO: task hung in __blkdev_get
ci2-linux-4-19 2021/01/01 21:41 linux-4.19.y 3207316b3bee 79264ae3 .config log report info
ci2-linux-4-19 2020/11/01 19:00 linux-4.19.y f5d8eef067ac 8bc4594f .config log report info
ci2-linux-4-19 2020/10/13 22:45 linux-4.19.y a1b977b49b66 fc7735a2 .config log report info
ci2-linux-4-19 2020/08/31 07:55 linux-4.19.y f6d5cb9e2c06 d5a3ae1f .config log report
ci2-linux-4-19 2020/08/30 23:27 linux-4.19.y f6d5cb9e2c06 d5a3ae1f .config log report
ci2-linux-4-19 2020/08/25 22:09 linux-4.19.y d18b78abc0c6 344da168 .config log report
ci2-linux-4-19 2020/07/26 16:43 linux-4.19.y 20b3a3dfdf6c 51265195 .config log report
ci2-linux-4-19 2020/06/16 15:30 linux-4.19.y 3fc898571b97 4ea9d964 .config log report
ci2-linux-4-19 2020/05/11 06:58 linux-4.19.y 033c4ea49a4b f8f57555 .config log report
ci2-linux-4-19 2020/05/01 04:12 linux-4.19.y 765675379b62 3698959a .config log report
ci2-linux-4-19 2020/04/27 11:55 linux-4.19.y 7edd66cf6167 0ce7569e .config log report
ci2-linux-4-19 2020/04/12 16:40 linux-4.19.y dda0e2920330 36b0b050 .config log report
ci2-linux-4-19 2020/04/08 05:13 linux-4.19.y dda0e2920330 db9bcd4b .config log report
ci2-linux-4-19 2020/03/28 10:22 linux-4.19.y 54b4fa6d3955 831e9a81 .config log report
ci2-linux-4-19 2019/11/26 00:19 linux-4.19.y 14260788bbb9 598ca6c8 .config log report