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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u13-20020a81db0d000000b0031e5c9deb73si8018890ywm.457.2022.07.25.05.06.43; Mon, 25 Jul 2022 05:07:15 -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=cFGMF1Uq; 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 S235003AbiGYLav (ORCPT + 99 others); Mon, 25 Jul 2022 07:30:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230246AbiGYLat (ORCPT ); Mon, 25 Jul 2022 07:30:49 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD7C6645F; Mon, 25 Jul 2022 04:30:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4F84760FE3; Mon, 25 Jul 2022 11:30:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A887C341C6; Mon, 25 Jul 2022 11:30:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658748647; bh=5hDMUOyyB40Eij6YGxOkgIHj6Qw1urzONH79uh0stsY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cFGMF1UqjZpHRSOPowS11Ask1ghJ47MGDgUiNJ3dqh6JKQZq6dXvwqevGfsO/tx1I MElHOLkExiLxLU3oDGJ/vxaxWq96he+6yssg6wBnt1aQYE+h0Z6fnW1Ef2GAIVnUS2 IfZNLIVN6L1wr2arlA4TWrcL+iatS4mwOOSfy1y1qp8QMLBjXnFHtenVtYblyIjSC8 v7kCGQ8P+TxWz+4N8pnZCa+m6dEV/Hdzc54ZMXAgZaMilVv/CXRmAIa6xGU/ejKIJh 6NCZygiKPuWhwYKR9iwHuppE8MXjr1Wq+mHR4adMvm81ZyKIVdJey4htpxGApV8fk0 9gzD85whVTYMA== Date: Mon, 25 Jul 2022 13:30:41 +0200 From: Robert Richter To: Borislav Petkov Cc: Toshi Kani , mchehab@kernel.org, elliott@hpe.com, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] EDAC/ghes: Fix buffer overflow in ghes_edac_register() Message-ID: References: <20220721180503.896050-1-toshi.kani@hpe.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, 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 25.07.22 13:23:26, Borislav Petkov wrote: > On Mon, Jul 25, 2022 at 01:09:11PM +0200, Robert Richter wrote: > > I see now, what you mean here, may be change this: > > > > snprintf(dimm->label, sizeof(dimm->label), "%s %s", > > (bank && *bank) ? bank : "N/A", > > (device && *device) ? device : "N/A"); > > > > to: > > > > snprintf(dimm->label, sizeof(dimm->label), "%s%s%s", > > (bank && *bank) ? bank : "", > > (bank && device) ? " " : "", > > (device && *device) ? device : ""); > > > > It keeps the default assignment from edac_mc_alloc_dimms() but changes > > we label if one of bank or device is given. > > Yap, that should take care of all possible "configurations" BIOS throws > at us. > > Toshi, could you pls add this to the fix and test it on your machine to > make sure it still works as expected? If you like, you can add my: Signed-off-by: Robert Richter -Robert