From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754368AbdEDNdt (ORCPT ); Thu, 4 May 2017 09:33:49 -0400 Received: from mga02.intel.com ([134.134.136.20]:37973 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751297AbdEDNdk (ORCPT ); Thu, 4 May 2017 09:33:40 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,287,1491289200"; d="scan'208";a="82460245" Subject: Re: [PATCH] use get_random_long for the per-task stack canary To: Daniel Micay , Kees Cook , Ingo Molnar , kernel-hardening@lists.openwall.com, LKML References: <20170504133209.3053-1-danielmicay@gmail.com> Cc: stable@vger.kernel.org From: Arjan van de Ven Message-ID: Date: Thu, 4 May 2017 06:33:15 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20170504133209.3053-1-danielmicay@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/4/2017 6:32 AM, Daniel Micay wrote: > The stack canary is an unsigned long and should be fully initialized to > random data rather than only 32 bits of random data. that makes sense to me... ack