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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 3B56BC3279B for ; Mon, 24 Sep 2018 21:40:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C07EE214C1 for ; Mon, 24 Sep 2018 21:28:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C07EE214C1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728656AbeIYDcP (ORCPT ); Mon, 24 Sep 2018 23:32:15 -0400 Received: from mga14.intel.com ([192.55.52.115]:1704 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727562AbeIYDcP (ORCPT ); Mon, 24 Sep 2018 23:32:15 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Sep 2018 14:28:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,299,1534834800"; d="scan'208";a="72544072" Received: from orsmsx101.amr.corp.intel.com ([10.22.225.128]) by fmsmga007.fm.intel.com with ESMTP; 24 Sep 2018 14:28:00 -0700 Received: from orsmsx113.amr.corp.intel.com (10.22.240.9) by ORSMSX101.amr.corp.intel.com (10.22.225.128) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 24 Sep 2018 14:28:00 -0700 Received: from orsmsx112.amr.corp.intel.com ([169.254.3.23]) by ORSMSX113.amr.corp.intel.com ([169.254.9.89]) with mapi id 14.03.0319.002; Mon, 24 Sep 2018 14:28:00 -0700 From: "Edgecombe, Rick P" To: "keescook@chromium.org" CC: "linux-kernel@vger.kernel.org" , "daniel@iogearbox.net" , "arjan@linux.intel.com" , "jannh@google.com" , "linux-mm@kvack.org" , "tglx@linutronix.de" , "kristen@linux.intel.com" , "x86@kernel.org" , "hpa@zytor.com" , "mingo@redhat.com" , "alexei.starovoitov@gmail.com" , "kernel-hardening@lists.openwall.com" , "Hansen, Dave" Subject: Re: [PATCH v6 2/4] x86/modules: Increase randomization for modules Thread-Topic: [PATCH v6 2/4] x86/modules: Increase randomization for modules Thread-Index: AQHUS6nwBsySFaAeZU6Tsy01ge2+q6T7mgWAgAS1CwCAABD7gIAAGQyA Date: Mon, 24 Sep 2018 21:27:59 +0000 Message-ID: <1537824509.19013.63.camel@intel.com> References: <1536874298-23492-1-git-send-email-rick.p.edgecombe@intel.com> <1536874298-23492-3-git-send-email-rick.p.edgecombe@intel.com> <1537815484.19013.48.camel@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.54.75.168] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gTW9uLCAyMDE4LTA5LTI0IGF0IDEyOjU4IC0wNzAwLCBLZWVzIENvb2sgd3JvdGU6DQo+IE9u IE1vbiwgU2VwIDI0LCAyMDE4IGF0IDExOjU3IEFNLCBFZGdlY29tYmUsIFJpY2sgUA0KPiA8cmlj ay5wLmVkZ2Vjb21iZUBpbnRlbC5jb20+IHdyb3RlOg0KPiA+ID4gSW5zdGVhZCBvZiBoYXZpbmcg dHdvIG9wZW4tY29kZWQgX192bWFsbG9jX25vZGVfcmFuZ2UoKSBjYWxscyBsZWZ0IGluDQo+ID4g PiB0aGlzIGFmdGVyIHRoZSBjaGFuZ2UsIGNhbiB0aGlzIGJlIGRvbmUgaW4gdGVybXMgb2YgYSBj YWxsIHRvDQo+ID4gPiB0cnlfbW9kdWxlX2FsbG9jKCkgaW5zdGVhZD8gSSBzZWUgdGhleSdyZSBz bGlnaHRseSBkaWZmZXJlbnQsIGJ1dCBpdA0KPiA+ID4gbWlnaHQgYmUgbmljZSBmb3IgbWFraW5n IHRoZSB0d28gcGF0aHMgc2hhcmUgbW9yZSBjb2RlLg0KPiA+IE5vdCBzdXJlIHdoYXQgeW91IG1l YW4uIEFjcm9zcyB0aGUgd2hvbGUgY2hhbmdlLCB0aGVyZSBpcyBvbmUgY2FsbA0KPiA+IHRvIF9f dm1hbGxvY19ub2RlX3JhbmdlLCBhbmQgb25lIHRvIF9fdm1hbGxvY19ub2RlX3RyeV9hZGRyLg0K PiBJIGd1ZXNzIEkgbWVhbnQgdGhlIHZtYWxsb2MgY2FsbHMgLS0gb25lIGZvciBub2RlX3Jhbmdl IGFuZCBvbmUgZm9yDQo+IG5vZGVfdHJ5X2FkZHIuIEkgd2FzIHdvbmRlcmluZyBpZiB0aGUgbG9n aWMgY291bGQgYmUgY29tYmluZWQgaW4gc29tZQ0KPiB3YXkgc28gdGhhdCB0aGUgX192bWFsbG9j X25vZGVfcmFuZ2UoKSBjb3VsZCBiZSBtYWRlIGluIHRlcm1zIG9mIHRoZQ0KPiB0aGUgaGVscGVy IHRoYXQgdHJ5X21vZHVsZV9yYW5kb21pemVfZWFjaCgpIHVzZXMuIEJ1dCB0aGlzIGNvdWxkIGp1 c3QNCj4gYmUgbWUgaG9waW5nIGZvciBuaWNlLXRvLXJlYWQgY2hhbmdlcy4gOykNCj4gDQo+IC1L ZWVzDQpPbmUgdGhpbmcgSSBoYWQgYmVlbiBjb25zaWRlcmluZyB3YXMgdG8gbW92ZSB0aGUgd2hv bGUgInRyeSByYW5kb20gbG9jYXRpb25zLA0KdGhlbiB1c2UgYmFja3VwIiBsb2dpYyB0byB2bWFs bG9jLmMsIGFuZCBqdXN0IGhhdmUgcGFyYW1ldGVycyBmb3IgcmFuZG9tIGFyZWENCnNpemUsIG51 bWJlciBvZiB0cmllcywgZXRjLiBUaGlzIHdheSBpdCBjb3VsZCBiZSBwb3NzaWJseSBiZSByZS11 c2VkIGZvciBvdGhlcg0KYXJjaGl0ZWN0dXJlcyBmb3IgbW9kdWxlcy4gQWxzbyBvbiBvdXIgbGlz dCBpcyB0byBsb29rIGF0IHJhbmRvbWl6aW5nIHZtYWxsb2MNCnNwYWNlIChlc3BlY2lhbGx5IHN0 YWNrcyksIHdoaWNoIG1heSBvciBtYXkgbm90IGludm9sdmUgdXNpbmcgYSBzaW1pbGFyIG1ldGhv ZC4NCg0KU28gbWF5YmUgYml0IHByZS1tYXR1cmUgcmVmYWN0b3JpbmcsIGJ1dCB3b3VsZCBhbHNv IGNsZWFuIHVwIHRoZSBjb2RlIGluDQptb2R1bGUuYy4gRG8geW91IHRoaW5rIGl0IHdvdWxkIGJl IHdvcnRoIGl0Pw0KDQpUaGFua3MsDQoNClJpY2s=