From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755726AbdEDOGL (ORCPT ); Thu, 4 May 2017 10:06:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54484 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755127AbdEDOFB (ORCPT ); Thu, 4 May 2017 10:05:01 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 3989967ED2 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=riel@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 3989967ED2 Message-ID: <1493906699.29205.1.camel@redhat.com> Subject: Re: [kernel-hardening] [PATCH] use get_random_long for the per-task stack canary From: Rik van Riel To: Daniel Micay , Kees Cook , Arjan van Ven , Ingo Molnar , kernel-hardening@lists.openwall.com, LKML Cc: stable@vger.kernel.org Date: Thu, 04 May 2017 10:04:59 -0400 In-Reply-To: <20170504133209.3053-1-danielmicay@gmail.com> References: <20170504133209.3053-1-danielmicay@gmail.com> Organization: Red Hat, Inc Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 04 May 2017 14:05:01 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2017-05-04 at 09:32 -0400, 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. > > Cc: stable@vger.kernel.org > Signed-off-by: Daniel Micay > Acked-by: Rik van Riel