syzbot


INFO: task hung in nbd_ioctl (3)
Status: upstream: reported C repro on 2020/11/13 07:37
Reported-by: syzbot+10533a0420aea96ae38a@syzkaller.appspotmail.com
First crash: 314d, last: 11d
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 637d 711d 1/1 fixed on 2019/12/28 10:32
linux-4.14 INFO: task hung in nbd_ioctl (2) C done 16 384d 629d 1/1 fixed on 2020/10/21 11:01
upstream INFO: task hung in nbd_ioctl (2) 37 391d 444d 17/22 fixed on 2020/09/25 01:17
upstream INFO: task hung in nbd_ioctl C done 71 688d 724d 14/22 fixed on 2019/11/06 12:39
linux-4.19 INFO: task hung in nbd_ioctl C 54 2h52m 712d 0/1 upstream: reported C repro on 2019/10/12 13:11
upstream INFO: task hung in nbd_ioctl (3) C done unreliable 11 13d 360d 0/22 upstream: reported C repro on 2020/09/28 07:17
upstream INFO: task can't die in nbd_ioctl C done 5 6d22h 353d 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-4-14 2021/09/13 01:04 linux-4.14.y f96eb53cbd76 52e37319 .config log report syz C
ci2-linux-4-14 2021/08/14 00:35 linux-4.14.y 46914f96189b 52e37319 .config log report syz C
ci2-linux-4-14 2021/07/15 00:03 linux-4.14.y 4e68c9b0763f 52e37319 .config log report syz C
ci2-linux-4-14 2021/06/14 23:38 linux-4.14.y 3d3abdc8ebd3 52e37319 .config log report syz C
ci2-linux-4-14 2021/04/30 17:33 linux-4.14.y 7d7d1c0ab3eb 52e37319 .config log report syz C
ci2-linux-4-14 2021/03/26 11:08 linux-4.14.y 670d6552eda8 52e37319 .config log report syz C
ci2-linux-4-14 2021/02/24 09:03 linux-4.14.y 3242aa3a635c 52e37319 .config log report syz C
Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/01/24 21:19 linux-4.14.y 2d2791fce891 52e37319 .config log report syz C INFO: task hung in nbd_ioctl
ci2-linux-4-14 2021/05/15 23:12 linux-4.14.y 7d7d1c0ab3eb 93f844de .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-14 2021/03/31 16:51 linux-4.14.y bd634aa64163 6a81331a .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-14 2021/03/29 01:18 linux-4.14.y 670d6552eda8 a8529b82 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-14 2021/03/28 21:10 linux-4.14.y 670d6552eda8 a8529b82 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-14 2021/01/24 18:12 linux-4.14.y 2d2791fce891 52e37319 .config log report info INFO: task hung in nbd_ioctl
ci2-linux-4-14 2020/11/13 07:37 linux-4.14.y 27ce4f2a6817 16fca0c8 .config log report info