From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E3A0C43382 for ; Tue, 25 Sep 2018 03:22:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AB7D32145D for ; Tue, 25 Sep 2018 03:22:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AB7D32145D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=davemloft.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728006AbeIYJ2Q (ORCPT ); Tue, 25 Sep 2018 05:28:16 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:56490 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727469AbeIYJ2Q (ORCPT ); Tue, 25 Sep 2018 05:28:16 -0400 Received: from localhost (unknown [104.240.4.228]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 9922D10009340; Mon, 24 Sep 2018 20:22:52 -0700 (PDT) Date: Mon, 24 Sep 2018 20:22:52 -0700 (PDT) Message-Id: <20180924.202252.1960552216624164256.davem@davemloft.net> To: keescook@chromium.org Cc: allen.pais@oracle.com, pombredanne@nexb.com, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sparc64: viohs: Remove VLA usage From: David Miller In-Reply-To: References: <20180905220351.GA48213@beast> X-Mailer: Mew version 6.7 on Emacs 26 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 24 Sep 2018 20:22:52 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kees Cook Date: Mon, 24 Sep 2018 20:17:55 -0700 > On Wed, Sep 5, 2018 at 3:03 PM, Kees Cook wrote: >> In the quest to remove all stack VLA usage from the kernel[1], this >> allocates a fixed size array for the maximum number of cookies and >> adds a runtime sanity check. >> >> [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1 >> RqZWA@mail.gmail.com >> >> Signed-off-by: Kees Cook > > Friendly ping. Dave, can you take this? I'll try to get to this soon, kinda backlogged at the moment. Sorry.