Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp1779040ybv; Thu, 6 Feb 2020 09:38:03 -0800 (PST) X-Google-Smtp-Source: APXvYqzgqWA3RD7inUXfvLG6Aia32WSREJTPiDpkCAFNhC3HUcULePlSOpz2H8PVFhpO0fC/rQAo X-Received: by 2002:a9d:7984:: with SMTP id h4mr32079654otm.297.1581010683116; Thu, 06 Feb 2020 09:38:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1581010683; cv=none; d=google.com; s=arc-20160816; b=srYyFQsTdliy1waGJkFwTUCcgKY0ylGxpO6M3c4HQ7hneRMA46lLlUUQEKU+8T3s4F FuI3aI3YkQZQiSJCyBU7HHiYQ8+BNo+A4XLfaCE/19dCWwBdlM/wnLZPSEzgAy6NfGmO Bl1o4kji2dWyxQphwiu6fDwns0cS3DxGvrCBO4Tvu6g5AXHNNvLxV+YM1hZwYDuqbJ9c m8jpTEDvnrGw7X0dBqzjZBWlzX4gpc3FmlBrSaQqCsIAwMmmMirShW+JBoLX8t+amnig IRp8yZtSQOZX32pPalxNb2Zdji7w3WGF6S+1NeglIQtvwEbXA49WXMcSsPsyR81asquX JkCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=SMyOfhZzZPZuujUA9E6GKG9U2eDhQH0R/BujkYeevWk=; b=c/4XNfBb23qQhq1mY4bfqE9KqXWXrxVGllMPuPeZ7MHeaNx4utB89Fggj9KPMjRTrb xIMKxQ7934caPKZvSAbpw+4OLJWCyznwQ14Gyfuj0gFwSFFNn7E6RvOtTSzPFV9+ytRd YBddNBdHf6F3kzmsq3Ekhh4QUKTKClDbMxtDRuo97GeX+8SoV9zTJofE5A52krPByz57 K/AVdNkgGKWP6zGuGv+m6F18Kx46cnKI2rbWT9xESZ+JuEdjgweJ62NgSxFUF9vIQ07D h6oxPD+SBm7nM4PLvpl/Jxy+JsWkA9wHgSr9iJW5Pnnr11A/9l1MYLbKDh7geprgQ9rC SXqQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b="cESW/Gp9"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g72si2634926oib.157.2020.02.06.09.37.50; Thu, 06 Feb 2020 09:38:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b="cESW/Gp9"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727695AbgBFRgA (ORCPT + 99 others); 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.