From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752670AbcGAHui (ORCPT ); Fri, 1 Jul 2016 03:50:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60542 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752480AbcGAHug (ORCPT ); Fri, 1 Jul 2016 03:50:36 -0400 Date: Fri, 1 Jul 2016 15:50:32 +0800 From: Baoquan He To: kernel test robot Cc: Kees Cook , lkp@01.org, tipbuild@zytor.com, linux-kernel@vger.kernel.org, Yinghai Lu , Thomas Gleixner , Peter Zijlstra , Linus Torvalds , Josh Poimboeuf , "H.J. Lu" , "H. Peter Anvin" , Dmitry Vyukov , Denys Vlasenko , Brian Gerst , Borislav Petkov , Andy Lutomirski , Andrey Ryabinin , Andrew Morton , Ingo Molnar Subject: Re: [x86/KASLR] ed9f007ee6: -- System halted Message-ID: <20160701075032.GC10467@x1.redhat.com> References: <57712812.r6MdDSquaCRYkMnh%xiaolong.ye@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <57712812.r6MdDSquaCRYkMnh%xiaolong.ye@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 01 Jul 2016 07:50:36 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Xiaolong, Could you please apply below patch and see if it works for you? >>From 46c2a9ecd11f61d952253e005bbd7dcbffa652fb Mon Sep 17 00:00:00 2001 From: Baoquan He Date: Fri, 1 Jul 2016 15:34:40 +0800 Subject: [PATCH] x86/KASLR: Fix code bug of finding earliest overlap Signed-off-by: Baoquan He --- arch/x86/boot/compressed/kaslr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index 304c5c3..8e1fdf7 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -285,6 +285,7 @@ static bool mem_avoid_overlap(struct mem_vector *img, if (mem_overlaps(img, &mem_avoid[i]) && mem_avoid[i].start < earliest) { *overlap = mem_avoid[i]; + earliest = overlap->start; is_overlapping = true; } } @@ -299,6 +300,7 @@ static bool mem_avoid_overlap(struct mem_vector *img, if (mem_overlaps(img, &avoid) && (avoid.start < earliest)) { *overlap = avoid; + earliest = overlap->start; is_overlapping = true; } -- 2.5.5