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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAD87C4332F for ; Mon, 10 Oct 2022 15:34:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229777AbiJJPee (ORCPT ); Mon, 10 Oct 2022 11:34:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229701AbiJJPed (ORCPT ); Mon, 10 Oct 2022 11:34:33 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F96A71709 for ; Mon, 10 Oct 2022 08:34:29 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-30-qZZPPUTDMaCpoudlwyzcJw-1; Mon, 10 Oct 2022 16:34:26 +0100 X-MC-Unique: qZZPPUTDMaCpoudlwyzcJw-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Mon, 10 Oct 2022 16:34:25 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.040; Mon, 10 Oct 2022 16:34:25 +0100 From: David Laight To: 'Paul Moore' CC: Alexei Starovoitov , Martin KaFai Lau , Alexei Starovoitov , "Network Development" , LSM List , "selinux@vger.kernel.org" Subject: RE: SO_PEERSEC protections in sk_getsockopt()? Thread-Topic: SO_PEERSEC protections in sk_getsockopt()? Thread-Index: AQHY2peNL0l8xeG/wU6MBAmpwQpDnq4HlZFQ///6VQCAADOmEA== Date: Mon, 10 Oct 2022 15:34:24 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, 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-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: RnJvbTogUGF1bCBNb29yZQ0KPiBTZW50OiAxMCBPY3RvYmVyIDIwMjIgMTQ6MTkNCi4uLi4NCj4g PiBJdCBpc24ndCByZWFsbHkgaWRlYWwgZm9yIHRoZSBidWZmZXIgcG9pbnRlciBlaXRoZXIuDQo+ ID4gVGhhdCBzdGFydGVkIGFzIGEgc2luZ2xlIGZpZWxkIChhc3N1bWluZyB0aGUgY2FsbGVyDQo+ ID4gaGFzIHZlcmlmaWVkIHRoZSB1c2VyL2tlcm5lbCBzdGF0dXMpLCB0aGVuIHRoZSBpc19rZXJu ZWwNCj4gPiBmaWVsZCB3YXMgYWRkZWQgZm9yIGFyY2hpdGVjdHVyZXMgd2hlcmUgdXNlci9rZXJu ZWwNCj4gPiBhZGRyZXNzZXMgdXNlIHRoZSBzYW1lIHZhbHVlcy4NCj4gPiBUaGVuIGEgaG9ycmlk IGJ1ZyAoZm9yZ290dGVuIHdoZXJlKSBmb3JjZWQgdGhlIGlzX2tlcm5lbA0KPiA+IGZpZWxkIGJl IHVzZWQgZXZlcnl3aGVyZS4NCj4gPiBBZ2FpbiBhIHN0cnVjdHVyZSB3aXRoIHR3byBwb2ludGVy cyB3b3VsZCBiZSBtdWNoIHNhZmVyLg0KPiANCj4gQW55IGNoYW5jZSB5b3UgaGF2ZSBwbGFucyB0 byB3b3JrIG9uIHRoaXMgRGF2aWQ/DQoNCkknZCBvbmx5IHNwZW5kIGFueSBzaWduaWZpY2FudCB0 aW1lIG9uIGl0IGlmIHRoZXJlDQppcyBhIHJlYXNvbmFibGUgY2hhbmNlIG9mIHRoZSBwYXRjaGVz IGJlaW5nIGFjY2VwdGVkLg0KDQpNeSB1c2Ugd291bGQgYmUgYW4gb3V0LW9mLXRyZWUgbm9uLUdQ TCBtb2R1bGUgY2FsbGluZw0Ka2VybmVsX2dldHNvY2tvcHQoKS4NClRoZSBtYWluIGluLXRyZWUg dXNlciBpcyBicGYgLSB3aGljaCBzZWVtcyB0byBuZWVkIGFuDQpldmVyLWluY3JlYXNpbmcgbnVt YmVyIG9mIHNvY2tldCBvcHRpb25zLCBidXQgc3VwcG9ydCBoYXMNCmJlZW4gYWRkZWQgb25lIGJ5 IG9uZS4NCg0KV2hpbGUgbW9zdCBnZXRzb2Nrb3B0KCkgY2FsbHMganVzdCByZXR1cm4gc2V0IHZh bHVlcywgU0NUUA0KdXNlcyBzb21lIHRvIHJldHJpZXZlIHRoZSByZXN1bHQgb2YgdmFsdWVzIG5l Z290aWF0ZWQgd2l0aA0KdGhlIHBlZXIuIFRoZSBudW1iZXIgb2YgdmFsaWQgZGF0YSBzdHJlYW1z IGlzIG5lZWRlZCBmb3INCmV2ZW4gdHJpdmlhbCBTQ1RQIGFwcGxpY2F0aW9ucy4NCkhvd2V2ZXIg SSd2ZSBhIHdvcmthcm91bmQgZm9yIGEgYnVnIGluIDUuMSB0byA1LjggdGhhdA0KcmV0dXJuZWQg dGhlIHdyb25nIHZhbHVlcyAobXkgdGVzdHMgZGlkbid0IGNoZWNrIG5lZ290aWF0aW9uKQ0KdGhh dCBhbHNvIG9idGFpbnMgdGhlIHZhbHVlcyBvbiBsYXRlciBrZXJuZWxzLg0KU28gSSdtIG5vdCAo eWV0KSBpbiBhIGh1cnJ5IQ0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2Vz aWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVL DQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K