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: 383d, last: 60d

Fix bisection: failed (bisect log)
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 kernel BUG at fs/ext4/ext4.h:LINE! C 5 22d 421d 0/1 upstream: reported C repro on 2020/10/08 13:59
upstream kernel BUG at fs/ext4/ext4.h:LINE! 1 336d 332d 0/22 auto-closed as invalid on 2021/05/01 06:31
android-5-10 kernel BUG in ext4_free_blocks 2 2d02h 23d 0/1 internal: reported on 2021/11/10 20:54
linux-4.14 kernel BUG in ext4_mb_load_buddy_gfp C 3 3d09h 218d 0/1 upstream: reported C repro on 2021/04/29 16:39
upstream kernel BUG in ext4_get_group_info syz error 1 16d 106d 0/22 upstream: reported syz repro on 2021/08/19 08:21

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/08/21 19:40 linux-4.19.y 59456c9cc40c b599f2fc .config log report syz C kernel BUG in ext4_mb_load_buddy_gfp
ci2-linux-4-19 2021/05/01 02:19 linux-4.19.y 97a8651cadce 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 31acccdc8774 1bf9a662 .config log report syz C
ci2-linux-4-19 2021/08/19 05:41 linux-4.19.y 59456c9cc40c a2fe1cb5 .config log report syz kernel BUG in ext4_mb_load_buddy_gfp
ci2-linux-4-19 2021/01/29 01:50 linux-4.19.y c4ff839de17f 7df34f59 .config log report syz kernel BUG in ext4_mb_find_by_goal
ci2-linux-4-19 2021/10/05 02:37 linux-4.19.y c2276d585654 ce697b49 .config log report info kernel BUG in ext4_mb_load_buddy_gfp
ci2-linux-4-19 2021/06/13 13:07 linux-4.19.y 9a2dc0e6c531 1ba81399 .config log report info kernel BUG in ext4_mb_load_buddy_gfp