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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 8CBA7C33CAC for ; Thu, 6 Feb 2020 16:28:10 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id E7B02214AF for ; Thu, 6 Feb 2020 16:28:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7B02214AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ACULAB.COM Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17716-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 24002 invoked by uid 550); 6 Feb 2020 16:28:02 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 23945 invoked from network); 6 Feb 2020 16:28:01 -0000 From: David Laight To: 'Jann Horn' , Kees Cook CC: Kristen Carlson Accardi , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Arjan van de Ven , Rick Edgecombe , "the arch/x86 maintainers" , kernel list , Kernel Hardening Subject: RE: [RFC PATCH 06/11] x86: make sure _etext includes function sections Thread-Topic: [RFC PATCH 06/11] x86: make sure _etext includes function sections Thread-Index: AQHV3O+Uub3eyEmx20OwpNUdqmwARKgOWIJQ Date: Thu, 6 Feb 2020 16:27:46 +0000 Message-ID: <9293be85241d49c182e614ffd7186bca@AcuMS.aculab.com> References: <20200205223950.1212394-1-kristen@linux.intel.com> <20200205223950.1212394-7-kristen@linux.intel.com> <202002060408.84005CEFFD@keescook> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: _Inpmhi_MReCPYBTeRnDtw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 RnJvbTogSmFubiBIb3JuDQo+IFNlbnQ6IDA2IEZlYnJ1YXJ5IDIwMjAgMTM6MTYNCi4uLg0KPiA+ IEkgY2Fubm90IGZpbmQgZXZpZGVuY2UgZm9yDQo+ID4gd2hhdCBmdW5jdGlvbiBzdGFydCBhbGln bm1lbnQgc2hvdWxkIGJlLg0KPiANCj4gVGhlcmUgaXMgbm8gYXJjaGl0ZWN0dXJhbGx5IHJlcXVp cmVkIGFsaWdubWVudCBmb3IgZnVuY3Rpb25zLCBidXQNCj4gSW50ZWwncyBPcHRpbWl6YXRpb24g TWFudWFsDQo+ICg8aHR0cHM6Ly93d3cuaW50ZWwuY29tL2NvbnRlbnQvZGFtL3d3dy9wdWJsaWMv dXMvZW4vZG9jdW1lbnRzL21hbnVhbHMvNjQtaWEtMzItYXJjaGl0ZWN0dXJlcy0NCj4gb3B0aW1p emF0aW9uLW1hbnVhbC5wZGY+KQ0KPiByZWNvbW1lbmRzIGluIHNlY3Rpb24gMy40LjEuNSwgIkNv ZGUgQWxpZ25tZW50IjoNCj4gDQo+IHwgQXNzZW1ibHkvQ29tcGlsZXIgQ29kaW5nIFJ1bGUgMTIu IChNIGltcGFjdCwgSCBnZW5lcmFsaXR5KQ0KPiB8IEFsbCBicmFuY2ggdGFyZ2V0cyBzaG91bGQg YmUgMTYtYnl0ZSBhbGlnbmVkLg0KPiANCj4gQUZBSUsgdGhpcyBpcyByZWNvbW1lbmRlZCBiZWNh dXNlLCBhcyBkb2N1bWVudGVkIGluIHNlY3Rpb24gMi4zLjIuMSwNCj4gIkxlZ2FjeSBEZWNvZGUg UGlwZWxpbmUiIChkZXNjcmliaW5nIHRoZSBmcm9udGVuZCBvZiBTYW5keSBCcmlkZ2UsIGFuZA0K PiB1c2VkIGFzIHRoZSBiYXNlIGZvciBuZXdlciBtaWNyb2FyY2hpdGVjdHVyZXMpOg0KPiANCj4g fCBBbiBpbnN0cnVjdGlvbiBmZXRjaCBpcyBhIDE2LWJ5dGUgYWxpZ25lZCBsb29rdXAgdGhyb3Vn aCB0aGUgSVRMQg0KPiBhbmQgaW50byB0aGUgaW5zdHJ1Y3Rpb24gY2FjaGUuDQo+IHwgVGhlIGlu c3RydWN0aW9uIGNhY2hlIGNhbiBkZWxpdmVyIGV2ZXJ5IGN5Y2xlIDE2IGJ5dGVzIHRvIHRoZQ0K PiBpbnN0cnVjdGlvbiBwcmUtZGVjb2Rlci4NCj4gDQo+IEFGQUlLIHRoaXMgbWVhbnMgdGhhdCBp ZiBhIGJyYW5jaCBlbmRzIGNsb3NlIHRvIHRoZSBlbmQgb2YgYSAxNi1ieXRlDQo+IGJsb2NrLCB0 aGUgZnJvbnRlbmQgaXMgbGVzcyBlZmZpY2llbnQgYmVjYXVzZSBpdCBtYXkgaGF2ZSB0byBydW4g dHdvDQo+IGluc3RydWN0aW9uIGZldGNoZXMgYmVmb3JlIHRoZSBmaXJzdCBpbnN0cnVjdGlvbiBj YW4gZXZlbiBiZSBkZWNvZGVkLg0KDQpTZWUgYWxzbyBUaGUgbWljcm9hcmNoaXRlY3R1cmUgb2Yg SW50ZWwsIEFNRCBhbmQgVklBIENQVXMgZnJvbSB3d3cuYWduZXIub3JnL29wdGltaXplIA0KDQpN eSBzdXNwaWNpb24gaXMgdGhhdCByZWR1Y2luZyB0aGUgY2FjaGUgc2l6ZSAoc28gbW9yZSBjb2Rl IGZpdHMgaW4pDQp3aWxsIGFsbW9zdCBhbHdheXMgYmUgYSB3aW4gb3ZlciBhbGlnbmluZyBicmFu Y2ggdGFyZ2V0cyBhbmQgZW50cnkgcG9pbnRzLg0KSWYgdGhlIGFsaWdubWVudCBvZiBhIGZ1bmN0 aW9uIG1hdHRlcnMgdGhlbiB0aGVyZSBhcmUgcHJvYmFibHkgb3RoZXINCmNoYW5nZXMgdG8gdGhh dCBiaXQgb2YgY29kZSB0aGF0IHdpbGwgZ2l2ZSBhIGxhcmdlciBiZW5lZml0Lg0KDQoJRGF2aWQN Cg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZh cm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYg KFdhbGVzKQ0K