linux-kernel - Re: [syzbot] [ocfs2?] KASAN: slab-out-of-bounds Read in igrab

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <690e7f93.a70a0220.22f260.006a.GAE@google.com>
Date: Fri, 07 Nov 2025 15:24:03 -0800
From: syzbot <syzbot+a77d690840e60bc2ddd8@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, dmantipov@...dex.ru, heming.zhao@...e.com, 
	jlbec@...lplan.org, joseph.qi@...ux.alibaba.com, linux-kernel@...r.kernel.org, 
	mark@...heh.com, ocfs2-devel@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] KASAN: slab-out-of-bounds Read in igrab

syzbot suspects this issue was fixed by commit:

commit fe7a283b39160153b6d1bd7f61b0a9d5d44987a8
Author: Dmitry Antipov <dmantipov@...dex.ru>
Date:   Tue Aug 26 09:51:06 2025 +0000

    ocfs2: add suballoc slot check in ocfs2_validate_inode_block()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14c14412580000
start commit:   6debb6904172 Merge tag 'drm-fixes-2025-08-23-1' of https:/..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e
dashboard link: https://syzkaller.appspot.com/bug?extid=a77d690840e60bc2ddd8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1248cc42580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: ocfs2: add suballoc slot check in ocfs2_validate_inode_block()

For information about bisection process see: https://goo.gl/tpsmEJ#bisection