Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752017AbcKQU03 (ORCPT ); Thu, 17 Nov 2016 15:26:29 -0500 Received: from mx1.redhat.com ([209.132.183.28]:47984 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750939AbcKQU02 (ORCPT ); Thu, 17 Nov 2016 15:26:28 -0500 Date: Thu, 17 Nov 2016 14:26:26 -0600 From: Josh Poimboeuf To: x86@kernel.org Cc: Peter Zijlstra , Vince Weaver , linux-kernel@vger.kernel.org, Ingo Molnar , Arnaldo Carvalho de Melo , davej@codemonkey.org.uk, dvyukov@google.com, Stephane Eranian Subject: Re: [PATCH 1/2] unwind: prevent KASAN false positive warnings in guess unwinder Message-ID: <20161117202626.gxinowu2lwd5ik5v@treble> References: <20161116130337.GT3142@twins.programming.kicks-ass.net> <61939c0b2b2d63ce97ba59cba3b00fd47c2962cf.1479398226.git.jpoimboe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <61939c0b2b2d63ce97ba59cba3b00fd47c2962cf.1479398226.git.jpoimboe@redhat.com> User-Agent: Mutt/1.6.0.1 (2016-04-01) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 17 Nov 2016 20:26:27 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 384 Lines: 11 On Thu, Nov 17, 2016 at 09:57:23AM -0600, Josh Poimboeuf wrote: > The guess unwinder scans the entire stack, which can cause KASAN > "stack-out-of-bounds" false positive warnings. Tell KASAN to ignore it. > > Reported-by: Peter Zijlstra > Signed-off-by: Josh Poimboeuf Whoops, forgot to prefix the patch subjects with "x86/". -- Josh