linux-kernel - Re: [syzbot] [reiserfs?] KASAN: use-after-free Read in reiserfs_fill

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Message-ID: <extrhc27tkgqmoiqzlhtdild4y5ijtmlebf3mnljtvftf3azeq@zw4jnnwmmza2>
Date: Wed, 8 Jan 2025 15:45:41 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+d796ad2656d5b38910ee@...kaller.appspotmail.com>
Cc: brauner@...nel.org, djwong@...nel.org, jack@...e.cz, 
	linux-kernel@...r.kernel.org, reiserfs-devel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [reiserfs?] KASAN: use-after-free Read in
 reiserfs_fill_super (3)

On Wed 08-01-25 02:05:04, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit fb6f20ecb121cef4d7946f834a6ee867c4e21b4a
> Author: Jan Kara <jack@...e.cz>
> Date:   Thu Oct 17 10:28:23 2024 +0000
> 
>     reiserfs: The last commit
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=168c7edf980000
> start commit:   59b723cd2adb Linux 6.12-rc6
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=921b01cbfd887a9b
> dashboard link: https://syzkaller.appspot.com/bug?extid=d796ad2656d5b38910ee
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1765c740580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12a786a7980000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Well, obviously :). As well as all the other reiserfs bugs. Syzkaller guys,
perhaps you can do some management action and close all reiserfs bugs in
one big sweep?
 
#syz fix: reiserfs: The last commit

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