syzbot


kernel BUG in ext4_get_group_info
Status: upstream: reported syz repro on 2021/08/19 08:21
Reported-by: syzbot+e2efa3efc15a1c9e95c3@syzkaller.appspotmail.com
First crash: 57d, last: 27d

Cause bisection: failed (bisect log)
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at fs/ext4/ext4.h:LINE! 1 287d 283d 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 14d 169d 0/1 upstream: reported C repro on 2021/04/29 16:39
linux-4.19 kernel BUG at fs/ext4/ext4.h:LINE! C 7 10d 334d 0/1 upstream: reported C repro on 2020/11/15 12:08
android-54 kernel BUG at fs/ext4/ext4.h:LINE! C 4 55d 372d 0/1 upstream: reported C repro on 2020/10/08 13:59

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/09/18 10:04 upstream 4357f03d6611 a2fe1cb5 .config log report syz
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/08/19 03:42 upstream 614cb2751d31 a2fe1cb5 .config log report syz kernel BUG in ext4_get_group_info