Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp335209imm; Mon, 9 Jul 2018 02:39:45 -0700 (PDT) X-Google-Smtp-Source: AAOMgpegMgQwmGlLD+8CKXei+cFweTBE9Ul1tF6hmFNTMG2+K5OPS7yBpHnzLOys0rkEqx6RFGM9 X-Received: by 2002:a65:62c7:: with SMTP id m7-v6mr17928896pgv.286.1531129185869; Mon, 09 Jul 2018 02:39:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531129185; cv=none; d=google.com; s=arc-20160816; b=fktSpMaJUVww/MGK+5pqB2VJCFUlIuf6KdruzzgaB3fTlSQlIZ/ar7P3G+cE+NDvQB JAEG6fV/wZ/h5+qbylDIG6FAFtynsbJVEz8K8Y0A4qEF3cw/SzDavYZlO5PUXePFKtQi V5AKJVyvI1YNg00i35/cA2myw0ve8HUt6afcFy37CYAYkwtk0EF0k4YXrrfKO4X5e+0J v3XSkewAQbUsMyM8qbHL+/oN5qxVn3i6Afi3a3GLnyerBNCaPa3Q/tfmA9IeaD7aMErY iGyHTdp1X6/YwEVk1G1zcFBQI4zOV+vOncPfF1MKAQr7fXvws4YQZuZLWmhLOcq9V70r fbyA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=cVCD1hhEAP4hRFo0BgOTZSAz19neOkXT0j5BmffkAqU=; b=IAFHQg0LBYvLqUNUSwwZWYo5FjTcomhXUXSY+zsEuzp7iPtZuH1XFO0FJEsixFTYdk P/g8y2DuVRaBvnrO5hu3KSVQ8Y4BJeEzvOw2i+FI2DeMMtcSHnAz5f8KgBQiKACnznPT 0tbK82+vmFsJk6Jlay5vFI/SXlSrOgG5s6L8zL38RiNZ9jz7/C3TeT+DUKjsXUjfGN0I qz8EGSkY+OIvvoraIt81lACZjZIo8m2uCvJ1VkPLfvCzJBhYRjjr8sLghNKtq3ixZcpj s7WBYJwAdgwC+Ts4NjWtK21YvgZpi9kCTbujOPCL79zArbIyevHlBwzJEBGOzmbEV1Rj Y5Fg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 31-v6si14164284plk.49.2018.07.09.02.39.31; Mon, 09 Jul 2018 02:39:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932609AbeGIJiL (ORCPT + 99 others); Mon, 9 Jul 2018 05:38:11 -0400 Received: from mail.skyhub.de ([5.9.137.197]:41620 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932366AbeGIJiK (ORCPT ); Mon, 9 Jul 2018 05:38:10 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 4H3kRE2FmTMM; Mon, 9 Jul 2018 11:38:08 +0200 (CEST) Received: from nazgul.tnic (unknown [78.130.214.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 6E76A1EC00E5; Mon, 9 Jul 2018 11:38:08 +0200 (CEST) Date: Mon, 9 Jul 2018 11:38:08 +0200 From: Borislav Petkov To: Jan Glauber , Kees Cook Cc: Mauro Carvalho Chehab , linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] EDAC, thunderx: Remove VLA usage Message-ID: <20180709093808.GB22182@nazgul.tnic> References: <20180629184850.GA37464@beast> <20180706114216.GA31180@wintermute> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20180706114216.GA31180@wintermute> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 06, 2018 at 01:42:16PM +0200, Jan Glauber wrote: > On Fri, Jun 29, 2018 at 11:48:50AM -0700, Kees Cook wrote: > > In the quest to remove all stack VLA usage from the kernel[1], this > > switches to using a kmalloc-allocated buffer instead of stack space. > > This should be fine since the existing routine is allocating memory > > too. > > > > [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com > > > > Cc: David Daney > > Cc: Jan Glauber > > Cc: Borislav Petkov > > Cc: Mauro Carvalho Chehab > > Cc: linux-edac@vger.kernel.org > > Signed-off-by: Kees Cook > > Acked-by: Jan Glauber Applied, thanks. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --