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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 284BEC433DF for ; Tue, 4 Aug 2020 14:45:19 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 8E9B6206DA for ; Tue, 4 Aug 2020 14:45:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8E9B6206DA 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-19554-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 30025 invoked by uid 550); 4 Aug 2020 14:45:11 -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 30005 invoked from network); 4 Aug 2020 14:45:11 -0000 X-MC-Unique: GkYdxktHPX6Hq0f1q8Z5bg-1 From: David Laight To: David Laight , 'Mark Rutland' , "Madhavan T. Venkataraman" CC: Andy Lutomirski , Kernel Hardening , Linux API , linux-arm-kernel , Linux FS Devel , linux-integrity , LKML , "LSM List" , Oleg Nesterov , X86 ML Subject: RE: [PATCH v1 0/4] [RFC] Implement Trampoline File Descriptor Thread-Topic: [PATCH v1 0/4] [RFC] Implement Trampoline File Descriptor Thread-Index: AQHWamb6T+e4gDrzGEmP/30MMvDTCqkoApyQgAADJ0A= Date: Tue, 4 Aug 2020 14:44:55 +0000 Message-ID: <23ded6dfcf284b15a3356c01a94029f8@AcuMS.aculab.com> References: <20200728131050.24443-1-madvenka@linux.microsoft.com> <6540b4b7-3f70-adbf-c922-43886599713a@linux.microsoft.com> <46a1adef-65f0-bd5e-0b17-54856fb7e7ee@linux.microsoft.com> <20200731183146.GD67415@C02TD0UTHF1T.local> <86625441-80f3-2909-2f56-e18e2b60957d@linux.microsoft.com> <20200804135558.GA7440@C02TD0UTHF1T.local> 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 PiA+ID4gSWYgeW91IGxvb2sgYXQgdGhlIGxpYmZmaSByZWZlcmVuY2UgcGF0Y2ggSSBoYXZlIGlu Y2x1ZGVkLCB0aGUgYXJjaGl0ZWN0dXJlDQo+ID4gPiBzcGVjaWZpYyBjaGFuZ2VzIHRvIHVzZSB0 cmFtcGZkIGp1c3QgaW52b2x2ZSBhIHNpbmdsZSBDIGZ1bmN0aW9uIGNhbGwgdG8NCj4gPiA+IGEg Y29tbW9uIGNvZGUgZnVuY3Rpb24uDQo+IA0KPiBObyBpZGVhIHdoYXQgbGliZmZpIGlzLCBidXQg aXQgbXVzdCBzdXJlbHkgYmUgc2ltcGxlciB0bw0KPiByZXdyaXRlIGl0IHRvIGF2b2lkIG5lc3Rl ZCBmdW5jdGlvbiBkZWZpbml0aW9ucy4NCj4gDQo+IE9yIGZpbmQgYSBib29rIGZyb20gdGhlIDE5 NjBzIG9uIGhvdyB0byBkbyByZWN1cnNpdmUNCj4gY2FsbHMgYW5kIG5lc3RlZCBmdW5jdGlvbnMg aW4gRk9SVFJBTi1JVi4NCg0KRldJVyBpdCBpcyBwcm9iYWJseSBhcyBzaW1wbGUgYXM6DQoxKSBQ dXQgYWxsIHRoZSAndmFyaWFibGVzJyB0aGUgbmVzdGVkIGZ1bmN0aW9uIGFjY2Vzc2VzIGludG8g YSBzdHJ1Y3QuDQoyKSBBZGQgYSBmaWVsZCBmb3IgdGhlIGFkZHJlc3Mgb2YgdGhlICduZXN0ZWQn IGZ1bmN0aW9uLg0KMykgUGFzcyB0aGUgYWRkcmVzcyBvZiB0aGUgc3RydWN0dXJlIGRvd24gaW5z dGVhZCBvZiB0aGUNCiAgIGFkZHJlc3Mgb2YgdGhlIGZ1bmN0aW9uLg0KDQpJZiB5b3UgYXJlbid0 IGluIGNvbnRyb2wgb2YgdGhlIGNhbGwgc2l0ZXMgdGhlbiBhZGQgdGhlDQpzdHJ1Y3R1cmUgdG8g YSBsaW5rZWQgbGlzdCBvbiBhIHRocmVhZC1sb2NhbCB2YXJpYWJsZS4NCg0KCURhdmlkDQoNCi0N ClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBN aWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxl cykNCg==