linux-kernel - Re: [PATCH] jfs: validate budmin to prevent shift-out-of-bounds in dbAllocAG()

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Message-ID: <CAHCkknr6o_9zO+DYRaf-W7C46r17JUf2MFnPLm1dik=ei=LxcA@mail.gmail.com>
Date: Sun, 19 Oct 2025 15:12:18 +0530
From: sukrut heroorkar <hsukrut3@...il.com>
To: David Hunter <david.hunter.linux@...il.com>
Cc: Dave Kleikamp <shaggy@...nel.org>, Rand Deeb <rand.sec96@...il.com>, 
	Edward Adam Davis <eadavis@...com>, Ghanshyam Agrawal <ghanshyam1898@...il.com>, 
	Nihar Chaithanya <niharchaithanya@...il.com>, Vasiliy Kovalev <kovalev@...linux.org>, 
	Arnaud Lecomte <contact@...aud-lcm.com>, 
	"open list:JFS FILESYSTEM" <jfs-discussion@...ts.sourceforge.net>, 
	open list <linux-kernel@...r.kernel.org>, skhan@...ux.foundation.org, 
	syzbot+4b717071f1eecb2972df@...kaller.appspotmail.com
Subject: Re: [PATCH] jfs: validate budmin to prevent shift-out-of-bounds in dbAllocAG()

Hi David,
On Sun, Oct 19, 2025 at 12:50 AM David Hunter
<david.hunter.linux@...il.com> wrote:
>
> On 10/18/25 01:30, Sukrut Heroorkar wrote:
> > Tested-by: syzbot+4b717071f1eecb2972df@...kaller.appspotmail.com
>
>
> Hey Sukrut,
>
> Did you do any other testing other than syzbot testing?
I also used the C reproducer to test my fix locally with QEMU and it
no longer triggers error. Do you recommend any
other tests? Please let me know.
Thanks,
Sukrut.
> Thanks,
> David Hunter