From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Biggers 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) Date: Wed, 9 Aug 2023 22:15:21 -0700 Message-ID: <20230810051521.GC923@sol.localdomain> References: <20230809153207.zokdmoco4lwa5s6b@quack3> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691644522; bh=XGFJ/Gtq79WsTu6ReOtX86Z5xSjbbqr3fINMsVl3i0I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Mp9wtWreQCmQTWlA75pU6++YInwy6632DvrAtyp+86X7k+Q9wGPLt1o7XVtQlWUe2 IK5F+D/4r2l/HWeK7/5mzUzYz47UIPgKUP7h1Jjd84PEbdHpdhlg2sG7vgUGHsS3BD FfXLL7j4pvCoFNmSY6SiJTxbOLw1+Lgk1ijur2jOA2LjcEf+QiAOzZfstT/1+D+v+v yvwBKjQwXZVF/A6Tnq29PqXBqqn3RH3RwXBbvM/0nZoVIpNQR6kfFFcCADG38QY2AS kISCOpplGMmDiTKo4haz2DnTlw4NmYjNHO9g/1clW16lP45o2LjdxR9PIp9esdkUW2 yyUppAndkVFdA== Content-Disposition: inline In-Reply-To: <20230809153207.zokdmoco4lwa5s6b@quack3> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jan Kara Cc: Zhang Zhiyu , reiserfs-devel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org 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