syzbot


kernel BUG in ext4_mb_load_buddy_gfp
Status: upstream: reported C repro on 2021/04/29 16:39
Reported-by: syzbot+9fb6cebb68c961541029@syzkaller.appspotmail.com
First crash: 217d, last: 1d22h
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG at fs/ext4/ext4.h:LINE! C error 7 58d 382d 0/1 upstream: reported C repro on 2020/11/15 12:08
android-54 kernel BUG at fs/ext4/ext4.h:LINE! C 5 20d 420d 0/1 upstream: reported C repro on 2020/10/08 13:59
upstream kernel BUG at fs/ext4/ext4.h:LINE! 1 335d 331d 0/22 auto-closed as invalid on 2021/05/01 06:31
android-5-10 kernel BUG in ext4_free_blocks 2 15h14m 21d 0/1 internal: reported on 2021/11/10 20:54
upstream kernel BUG in ext4_get_group_info syz error 1 15d 105d 0/22 upstream: reported syz repro on 2021/08/19 08:21

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 2021/11/30 20:25 linux-4.14.y 66722c42ec91 77e2b668 .config log report syz C
ci2-linux-4-14 2021/10/31 20:03 linux-4.14.y cd5296934610 77e2b668 .config log report syz C
ci2-linux-4-14 2021/10/01 19:33 linux-4.14.y f11944f1aa1c 77e2b668 .config log report syz C
ci2-linux-4-14 2021/09/01 19:05 linux-4.14.y 35c4ba160ab6 77e2b668 .config log report syz C
ci2-linux-4-14 2021/08/02 17:22 linux-4.14.y ce4d1565392b 77e2b668 .config log report syz C
ci2-linux-4-14 2021/07/03 17:01 linux-4.14.y 313e82bbefb3 77e2b668 .config log report syz C
ci2-linux-4-14 2021/06/03 16:39 linux-4.14.y a6b2dae3ee3a 77e2b668 .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 2021/04/29 16:38 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config log report syz C kernel BUG in ext4_mb_load_buddy_gfp
ci2-linux-4-14 2021/05/04 15:45 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config log report info kernel BUG in ext4_mb_load_buddy_gfp
ci2-linux-4-14 2021/05/03 03:47 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config log report info kernel BUG in ext4_mb_load_buddy_gfp