syzbot


KASAN: use-after-free Read in reiserfs_read_locked_inode
Status: fixed on 2021/02/20 09:47
Reported-by: syzbot+28cfc5ffa1f71bfc5547@syzkaller.appspotmail.com
Fix commit: b74d5f70523a reiserfs: add check for an invalid ih_entry_count
First crash: 605d, last: 501d

Fix bisection: fixed by (bisect log) :
commit b74d5f70523a819aac71e0eee4f4b530e69e463a
Author: Rustam Kovhaev <rkovhaev@gmail.com>
Date: Sun Nov 1 14:09:58 2020 +0000

  reiserfs: add check for an invalid ih_entry_count

similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in reiserfs_read_locked_inode C done 4 520d 602d 1/1 fixed on 2021/01/15 04:02

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/10/05 01:21 linux-4.14.y cbfa1702aaf6 5ef9c291 .config log report syz C
ci2-linux-4-14 2020/09/30 23:15 linux-4.14.y cbfa1702aaf6 a9767fb2 .config log report syz C
ci2-linux-4-14 2020/09/26 20:27 linux-4.14.y cbfa1702aaf6 2d5ea0cb .config log report syz C
ci2-linux-4-14 2020/09/21 10:16 linux-4.14.y cbfa1702aaf6 c81d99c8 .config log report syz C
ci2-linux-4-14 2020/09/21 08:57 linux-4.14.y cbfa1702aaf6 c81d99c8 .config log report info