From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11354C33CAC for ; Thu, 6 Feb 2020 17:36:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4F6921775 for ; Thu, 6 Feb 2020 17:36:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="cESW/Gp9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727790AbgBFRgA (ORCPT ); Thu, 6 Feb 2020 12:36:00 -0500 Received: from merlin.infradead.org ([205.233.59.134]:49014 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726990AbgBFRf7 (ORCPT ); Thu, 6 Feb 2020 12:35:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=SMyOfhZzZPZuujUA9E6GKG9U2eDhQH0R/BujkYeevWk=; b=cESW/Gp9HDS3+G9FpVQTt6hOML sjgfAiMlMAPrC4TEVSciFPIhysWIP8ufQdJNbRKMnaikCo8+eDJVaTBvgSUfdGUwuKazj8S5/zve7 SBkf/3rkk/p/TKFS6tlJnf7uMgL8rChYdeX2tHYoD6liZjqYo5imoBuFHVXbY/CMckJiLTHagj090 iktPwKHYbuBQWOb3us0vZkN0q8aFayNFrHfWZ8BrhbMcept9LCEkDWVRrRnXagS/b9CneWfFZWFcK nWq0TCHsJEFcLdftOsZdiO+WEmMdgzv0QAIsnyf/HZgwx1UUx9SzYff5sySRduCbm+dGIYnxu1jJB pDWRlu2w==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1izl3z-0006cL-Vd; Thu, 06 Feb 2020 17:35:40 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id B93FA30066E; Thu, 6 Feb 2020 18:33:51 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 40AB22B813367; Thu, 6 Feb 2020 18:35:38 +0100 (CET) Date: Thu, 6 Feb 2020 18:35:38 +0100 From: Peter Zijlstra To: Kristen Carlson Accardi Cc: Kees Cook , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, arjan@linux.intel.com, rick.p.edgecombe@intel.com, x86@kernel.org, linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com Subject: Re: [RFC PATCH 08/11] x86: Add support for finer grained KASLR Message-ID: <20200206173538.GY14914@hirez.programming.kicks-ass.net> References: <20200205223950.1212394-1-kristen@linux.intel.com> <20200205223950.1212394-9-kristen@linux.intel.com> <20200206103830.GW14879@hirez.programming.kicks-ass.net> <202002060356.BDFEEEFB6C@keescook> <20200206145253.GT14914@hirez.programming.kicks-ass.net> <9f337efdf226e51e3f5699243623e5de7505ac94.camel@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9f337efdf226e51e3f5699243623e5de7505ac94.camel@linux.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 06, 2020 at 09:25:01AM -0800, Kristen Carlson Accardi wrote: > That's right - all of these tables that you mention had relocs and thus > I did not have to do anything special for them. The orc_unwind_ip > tables get sorted during unwind_init(). No they're not: f14bf6a350df ("x86/unwind/orc: Remove boot-time ORC unwind tables sorting") Or rather, it might be you're working on an old tree.