syzbot


kernel BUG at fs/ext4/ext4.h:LINE!
Status: upstream: reported C repro on 2020/11/15 12:08
Reported-by: syzbot+c66c23b1d3271b709121@syzkaller.appspotmail.com
First crash: 183d, last: 17d
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 kernel BUG at fs/ext4/ext4.h:LINE! C 3 51d 221d 0/1 upstream: reported C repro on 2020/10/08 13:59
upstream kernel BUG at fs/ext4/ext4.h:LINE! 1 136d 132d 0/22 auto-closed as invalid on 2021/05/01 06:31
linux-4.14 kernel BUG in ext4_mb_load_buddy_gfp C 3 13d 18d 0/1 upstream: reported C repro on 2021/04/29 16:39

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 2021/04/29 03:41 linux-4.19.y 97a8651c 1bf9a662 .config log report syz C
ci2-linux-4-19 2021/03/30 03:03 linux-4.19.y 78fec161 1bf9a662 .config log report syz C
ci2-linux-4-19 2021/02/28 02:27 linux-4.19.y 2d19be46 1bf9a662 .config log report syz C
ci2-linux-4-19 2021/01/14 16:22 linux-4.19.y 675cc038 1bf9a662 .config log report syz C
ci2-linux-4-19 2020/12/15 12:41 linux-4.19.y 13d2ce42 1bf9a662 .config log report syz C
Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/05/01 02:19 linux-4.19.y 97a8651c 77e2b668 .config log report syz C kernel BUG in ext4_mb_load_buddy_gfp
ci2-linux-4-19 2020/11/15 12:07 linux-4.19.y 31acccdc 1bf9a662 .config log report syz C
ci2-linux-4-19 2021/01/29 01:50 linux-4.19.y c4ff839d 7df34f59 .config log report syz kernel BUG in ext4_mb_find_by_goal