From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELvkVJYQnjyh6u3pJjRy/FKSBACxyxhDJ31g+M+8rUdQSSZFqZcK+7kHrEbg5I6XJY2Xklvx ARC-Seal: i=1; a=rsa-sha256; t=1520583745; cv=none; d=google.com; s=arc-20160816; b=YMymvXX+zs4VMDw0z917i8dYjNzpOUllI8RdT9DIgjQT19QAc5KuxD9o9z6SpsIP8y r4OJzT4dtYl47KBuhCzJ4Uj2uj9EAbvbbHYCq5whaGPRa3rBlij/jo7v8ypNH0NWNZdY a67Fz3jSSHXLyYBqmWxZqVbbe4nki18z9YYiqruI6vkWE9bVVkvxWVROnRMT9DidzHE1 gUAJlSSgKShc64s8P4Zr1Fl8Bt/9iIfI5E1jfpr6C5YVtCmhUO3kqwmUAdjozsb+AayI BZxgxGIYOHCsv/KwlAgTP/3l6Okd63FDTnbaZ9R/8stV+562z6moFPH8FQ42f928CICW L/bg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:from:references:cc:to:subject :delivered-to:list-id:list-subscribe:list-unsubscribe:list-help :list-post:precedence:mailing-list:arc-authentication-results; bh=anWlGGDX39mLNC4/CJuJXlCwp+yPd/7gcLZQj6vBy3g=; b=C+SJHtCyxWH7//pExAJv5HHnjvzy8Py1Nq6HGaRfRSZSt0sZKFqF4rYSqc1Xbw6mrA a6jVEyBz9HA7awMlgrDdokkMwQVgo3rjfa8iGdkCPTIfXaj+mc7vmSQ5wHay5m2rDy9H U5zc0KrZVetAYP0wnmFkk4hwzVFATLA3namueUynV/UmdoF5t/3Gttfx5V0UddmMA63E /ZtVCbUcLa2Iaj/TdUjjfVJ37bja3uroVnMR/qNJ8vXnGNbBXL8LzAzdbSfjriQiQ705 celtXg28vrAfrI609AROzwzj1ho+0PQ1rGG2CUXFw+k8YcygcJgtiIecDU9a+cZiRtZK 87TA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-12306-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12306-gregkh=linuxfoundation.org@lists.openwall.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-12306-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12306-gregkh=linuxfoundation.org@lists.openwall.com Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: X-IronPort-AV: E=Sophos;i="5.47,444,1515481200"; d="scan'208";a="12150691" Subject: Re: [PATCH] crypto/ecc: Remove stack VLA usage To: Kees Cook CC: Herbert Xu , LKML , "David S. Miller" , linux-crypto , Kernel Hardening References: <20180307215615.GA18928@beast> <4fbe11f1-c92e-a4d5-616d-01e983f5405f@microchip.com> From: Tudor Ambarus Message-ID: <7d80acb8-89e7-0afe-6c00-4936145d611d@microchip.com> Date: Fri, 9 Mar 2018 10:21:59 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1594317666211482580?= X-GMAIL-MSGID: =?utf-8?q?1594447621936449403?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 03/08/2018 11:55 PM, Kees Cook wrote: >> Looks like there are few intermediate buffers in ecc >> that should be zeroized as well. > Can you send a patch for those? Yeah, I'll take a look. Best, ta