syzbot


kernel BUG in ext4_free_blocks
Status: internal: reported on 2021/11/10 20:54
Reported-by: syzbot+c39719d3b39f896329e8@syzkaller.appspotmail.com
First crash: 70d, last: 38d
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 69d 469d 0/1 upstream: reported C repro on 2020/10/08 13:59
upstream kernel BUG at fs/ext4/ext4.h:LINE! 1 384d 380d 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 20d 265d 0/1 upstream: reported C repro on 2021/04/29 16:39
linux-4.19 kernel BUG at fs/ext4/ext4.h:LINE! C error 7 107d 431d 0/1 upstream: reported C repro on 2020/11/15 12:08
upstream kernel BUG in ext4_get_group_info syz error 1 4d02h 154d 0/22 upstream: reported syz repro on 2021/08/19 08:21

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-android-5-10 2021/12/02 03:24 android12-5.10-lts 8d21bcc704ea 61f86278 .config log report info kernel BUG in ext4_free_blocks
ci2-android-5-10 2021/11/10 20:53 android12-5.10-lts 76698ea35fd3 75b04091 .config log report info kernel BUG in ext4_free_blocks
ci2-android-5-10 2021/12/13 09:29 android12-5.10-lts e2aed161fc26 49ca1f59 .config log report info kernel BUG in ext4_mb_load_buddy_gfp