linux-kernel - Re: [syzbot] [jfs?] UBSAN: shift-out-of-bounds in dbSplit

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20240206101639.waddtknizshby3x3@quack3>
Date: Tue, 6 Feb 2024 11:16:39 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+8c777e17f74c66068ffa@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, brauner@...nel.org, ghandatmanas@...il.com,
	jack@...e.cz, jfs-discussion@...ts.sourceforge.net,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	mushi.shar@...il.com, shaggy@...nel.org,
	syzkaller-bugs@...glegroups.com, syzkaller@...glegroups.com
Subject: Re: [syzbot] [jfs?] UBSAN: shift-out-of-bounds in dbSplit

On Tue 06-02-24 01:31:04, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@...e.cz>
> Date:   Wed Nov 1 17:43:10 2023 +0000
> 
>     fs: Block writes to mounted block devices
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=110ffd6c180000
> start commit:   708283abf896 Merge tag 'dmaengine-6.6-rc1' of git://git.ke..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=26188a62745981b4
> dashboard link: https://syzkaller.appspot.com/bug?extid=8c777e17f74c66068ffa
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=138fb834680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1399c448680000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
 
Makes sense.

#syz fix: fs: Block writes to mounted block devices

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR