syzbot


INFO: task hung in __sync_dirty_buffer
Status: upstream: reported C repro on 2020/09/29 05:34
Reported-by: syzbot+113a4a32dcf5b9c53b61@syzkaller.appspotmail.com
First crash: 428d, last: 4d02h
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in __sync_dirty_buffer C error 4 71d 416d 0/1 upstream: reported C repro on 2020/10/11 09:03
upstream INFO: task hung in __sync_dirty_buffer C inconclusive 2 1d04h 91d 0/22 upstream: reported C repro on 2021/09/01 20:17

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 2021/11/27 20:12 linux-4.14.y 66722c42ec91 858ea628 .config log report syz C
ci2-linux-4-14 2021/10/28 19:48 linux-4.14.y cd5296934610 858ea628 .config log report syz C
ci2-linux-4-14 2021/09/25 11:32 linux-4.14.y 8ea4f73cfa7e 858ea628 .config log report syz C
ci2-linux-4-14 2021/08/26 11:01 linux-4.14.y 162b95d01320 858ea628 .config log report syz C
ci2-linux-4-14 2021/07/27 10:34 linux-4.14.y 964f3712e6a7 858ea628 .config log report syz C
ci2-linux-4-14 2021/06/27 09:35 linux-4.14.y cfb41ef9deb1 858ea628 .config log report syz C
ci2-linux-4-14 2021/04/27 11:40 linux-4.14.y cf256fbcbe34 1b88c6d5 .config log report syz C
ci2-linux-4-14 2021/03/28 09:38 linux-4.14.y 670d6552eda8 1b88c6d5 .config log report syz C
ci2-linux-4-14 2021/02/26 09:09 linux-4.14.y 3242aa3a635c 1b88c6d5 .config log report syz C
ci2-linux-4-14 2021/01/27 08:38 linux-4.14.y 2d2791fce891 1b88c6d5 .config log report syz C
ci2-linux-4-14 2020/12/28 07:12 linux-4.14.y 3f2ecb86cb90 1b88c6d5 .config log report syz C
ci2-linux-4-14 2020/11/28 06:39 linux-4.14.y 87335852c5d9 1b88c6d5 .config log report syz C
ci2-linux-4-14 2020/10/29 06:04 linux-4.14.y 5b7a52cd2eef 1b88c6d5 .config log report syz C
Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/05/28 08:54 linux-4.14.y ad8397a84e1e 858ea628 .config log report syz C INFO: task hung in __sync_dirty_buffer
ci2-linux-4-14 2021/05/16 12:06 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config log report syz C INFO: task hung in __sync_dirty_buffer
ci2-linux-4-14 2020/09/29 05:33 linux-4.14.y cbfa1702aaf6 1b88c6d5 .config log report syz C