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[2620:137:e000::1:20]) by mx.google.com with ESMTP id sa17-20020a170906edb100b0098cf3eaee4esi861197ejb.57.2023.08.09.22.48.50; Wed, 09 Aug 2023 22:49:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Mp9wtWre; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232576AbjHJFPZ (ORCPT + 99 others); Thu, 10 Aug 2023 01:15:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229447AbjHJFPY (ORCPT ); Thu, 10 Aug 2023 01:15:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F382C1B4; Wed, 9 Aug 2023 22:15:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8B89860A5A; Thu, 10 Aug 2023 05:15:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0DBFC433C8; Thu, 10 Aug 2023 05:15:22 +0000 (UTC) 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== Date: Wed, 9 Aug 2023 22:15:21 -0700 From: Eric Biggers To: Jan Kara Cc: Zhang Zhiyu , reiserfs-devel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.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) Message-ID: <20230810051521.GC923@sol.localdomain> References: <20230809153207.zokdmoco4lwa5s6b@quack3> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230809153207.zokdmoco4lwa5s6b@quack3> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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