syzbot


INFO: task hung in nbd_ioctl
Status: upstream: reported C repro on 2019/10/12 13:11
Reported-by: syzbot+15643e4cfffac60a87ed@syzkaller.appspotmail.com
First crash: 708d, last: 24d
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in nbd_ioctl C done 18 632d 706d 1/1 fixed on 2019/12/28 10:32
linux-4.14 INFO: task hung in nbd_ioctl (2) C done 16 379d 624d 1/1 fixed on 2020/10/21 11:01
upstream INFO: task hung in nbd_ioctl (2) 37 386d 439d 17/22 fixed on 2020/09/25 01:17
upstream INFO: task hung in nbd_ioctl C done 71 684d 719d 14/22 fixed on 2019/11/06 12:39
upstream INFO: task hung in nbd_ioctl (3) C done unreliable 11 8d10h 356d 0/22 upstream: reported C repro on 2020/09/28 07:17
linux-4.14 INFO: task hung in nbd_ioctl (3) C 7 6d11h 310d 0/1 upstream: reported C repro on 2020/11/13 07:37
upstream INFO: task can't die in nbd_ioctl C done 5 2d05h 349d 0/22 upstream: reported C repro on 2020/10/05 07:20

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 2021/08/05 13:39 linux-4.19.y 6ca2f514c578 a57db36f .config log report syz C
ci2-linux-4-19 2021/05/10 00:33 linux-4.19.y 3c8c23092588 a57db36f .config log report syz C
ci2-linux-4-19 2021/01/19 01:46 linux-4.19.y c110fed0e606 5d7b90f1 .config log report syz C
ci2-linux-4-19 2020/12/20 01:14 linux-4.19.y 13d2ce42de8c 5d7b90f1 .config log report syz C
ci2-linux-4-19 2020/11/20 00:41 linux-4.19.y 2c746135a12e 5d7b90f1 .config log report syz C
ci2-linux-4-19 2020/10/21 00:11 linux-4.19.y ad326970d25c 5d7b90f1 .config log report syz C
ci2-linux-4-19 2020/08/26 13:09 linux-4.19.y f6d5cb9e2c06 5d7b90f1 .config log report syz C
ci2-linux-4-19 2020/05/02 02:59 linux-4.19.y 765675379b62 5d7b90f1 .config log report syz C
Crashes (53):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/01/27 23:37 linux-4.19.y c4ff839de17f a57db36f .config log report syz C INFO: task hung in nbd_ioctl
ci2-linux-4-19 2020/02/15 20:44 linux-4.19.y 9b15f7fae677 5d7b90f1 .config log report syz C
ci2-linux-4-19 2020/09/20 23:38 linux-4.19.y 015e94d0e37b 9564d2e9 .config log report syz
ci2-linux-4-19 2021/08/25 20:24 linux-4.19.y 59456c9cc40c b599f2fc .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/07/06 12:44 linux-4.19.y 9f84340f012e 6c4484eb .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/07/05 00:09 linux-4.19.y 9f84340f012e 55aa55c2 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/07/01 09:59 linux-4.19.y 9f84340f012e 658ebc66 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/06/12 20:25 linux-4.19.y 9a2dc0e6c531 1ba81399 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/05/28 13:22 linux-4.19.y 6b7b0056defc 858ea628 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/05/27 09:42 linux-4.19.y 6b7b0056defc 858ea628 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/05/19 02:29 linux-4.19.y 3c8c23092588 a343ba6b .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/05/15 18:55 linux-4.19.y 3c8c23092588 93f844de .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/04/10 00:02 linux-4.19.y b4454811f122 6a81331a .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/03/12 09:16 linux-4.19.y 030194a5b292 429d8a6b .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/02/28 09:03 linux-4.19.y 2d19be4653f5 4c37c133 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/02/26 13:04 linux-4.19.y 2d19be4653f5 4c37c133 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2021/02/18 01:20 linux-4.19.y 811218eceeaa 14052202 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-19 2020/09/08 08:11 linux-4.19.y c37da90efff5 abf9ba4f .config log report
ci2-linux-4-19 2020/09/07 19:43 linux-4.19.y c37da90efff5 abf9ba4f .config log report
ci2-linux-4-19 2020/07/27 12:36 linux-4.19.y 20b3a3dfdf6c cb93dc6a .config log report
ci2-linux-4-19 2020/07/03 08:23 linux-4.19.y 399849e4654e f30c14bf .config log report
ci2-linux-4-19 2020/06/27 08:23 linux-4.19.y a39e75458e1c ffec44b5 .config log report
ci2-linux-4-19 2020/06/03 16:03 linux-4.19.y 4707d8e57273 a5ce5de0 .config log report
ci2-linux-4-19 2020/05/11 16:36 linux-4.19.y 033c4ea49a4b f8f57555 .config log report
ci2-linux-4-19 2020/04/02 02:03 linux-4.19.y 54b4fa6d3955 a34e2c33 .config log report
ci2-linux-4-19 2020/04/01 03:52 linux-4.19.y 54b4fa6d3955 a34e2c33 .config log report
ci2-linux-4-19 2020/03/31 09:45 linux-4.19.y 54b4fa6d3955 c8d1cc20 .config log report
ci2-linux-4-19 2020/03/03 02:21 linux-4.19.y a083db76118d 4a4e0509 .config log report
ci2-linux-4-19 2020/03/03 00:07 linux-4.19.y a083db76118d 4a4e0509 .config log report
ci2-linux-4-19 2020/02/16 05:26 linux-4.19.y 9b15f7fae677 5d7b90f1 .config log report
ci2-linux-4-19 2020/02/15 18:34 linux-4.19.y 9b15f7fae677 5d7b90f1 .config log report
ci2-linux-4-19 2020/02/10 23:09 linux-4.19.y b499cf4b3a90 d9e55b05 .config log report
ci2-linux-4-19 2019/12/24 18:55 linux-4.19.y 672481c2deff be5c2c81 .config log report
ci2-linux-4-19 2019/12/17 09:57 linux-4.19.y 312017a460d5 d13d7958 .config log report
ci2-linux-4-19 2019/11/05 08:33 linux-4.19.y ef244c308885 76630fc9 .config log report
ci2-linux-4-19 2019/11/02 19:25 linux-4.19.y ef244c308885 997ccc67 .config log report
ci2-linux-4-19 2019/11/02 18:50 linux-4.19.y ef244c308885 997ccc67 .config log report
ci2-linux-4-19 2019/10/31 12:08 linux-4.19.y ef244c308885 a41ca8fa .config log report
ci2-linux-4-19 2019/10/30 17:57 linux-4.19.y ef244c308885 5ea87a66 .config log report
ci2-linux-4-19 2019/10/30 17:33 linux-4.19.y ef244c308885 5ea87a66 .config log report
ci2-linux-4-19 2019/10/30 11:26 linux-4.19.y ef244c308885 5ea87a66 .config log report
ci2-linux-4-19 2019/10/27 07:14 linux-4.19.y c3038e718a19 25bb509e .config log report
ci2-linux-4-19 2019/10/24 23:24 linux-4.19.y c3038e718a19 d01bb02a .config log report
ci2-linux-4-19 2019/10/22 08:10 linux-4.19.y c3038e718a19 c59a7cd8 .config log report
ci2-linux-4-19 2019/10/20 08:54 linux-4.19.y c3038e718a19 8c88c9c1 .config log report
ci2-linux-4-19 2019/10/20 03:01 linux-4.19.y c3038e718a19 8c88c9c1 .config log report
ci2-linux-4-19 2019/10/19 20:28 linux-4.19.y c3038e718a19 8c88c9c1 .config log report
ci2-linux-4-19 2019/10/19 09:58 linux-4.19.y c3038e718a19 8c88c9c1 .config log report
ci2-linux-4-19 2019/10/19 06:39 linux-4.19.y c3038e718a19 8c88c9c1 .config log report
ci2-linux-4-19 2019/10/18 02:55 linux-4.19.y c3038e718a19 8c88c9c1 .config log report
ci2-linux-4-19 2019/10/12 21:01 linux-4.19.y dafd634415a7 426631dd .config log report
ci2-linux-4-19 2019/10/12 17:24 linux-4.19.y dafd634415a7 426631dd .config log report
ci2-linux-4-19 2019/10/12 12:10 linux-4.19.y dafd634415a7 426631dd .config log report