linux-kernel - Re: A Discussion Request about a maybe-false-positive of UBSAN: OOB Write in do_journal

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Date:   Wed, 9 Aug 2023 22:15:21 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Jan Kara <jack@...e.cz>
Cc:     Zhang Zhiyu <zhiyuzhang999@...il.com>,
        reiserfs-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: A Discussion Request about a maybe-false-positive of UBSAN: OOB
 Write in do_journal_end in Kernel 6.5-rc3(with POC)

On Wed, Aug 09, 2023 at 05:32:07PM +0200, Jan Kara wrote:
> Improving kernel security is certainly a worthy goal but I have two notes.
> Firstly, reiserfs is a deprecated filesystem and it will be removed from
> the kernel in a not so distant future. So it is not very useful to fuzz it
> because there are practically no users anymore and no developer is
> interested in fixing those bugs even if you find some. Secondly, please do
> a better job of reading the code and checking whether your theory is
> actually valid before filing a CVE (CVE-2023-4205). That's just adding
> pointless job for everyone... Thanks!

FYI I filled out https://cveform.mitre.org/ to request revocation of this CVE.

- Eric