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 1CBA5C433FE for ; Mon, 10 Oct 2022 12:54:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231322AbiJJMyT (ORCPT ); Mon, 10 Oct 2022 08:54:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229978AbiJJMyS (ORCPT ); Mon, 10 Oct 2022 08:54:18 -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 CA70058B51 for ; Mon, 10 Oct 2022 05:54:16 -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-308-DFMKOn1AMvu0Lixm1Isi4A-1; Mon, 10 Oct 2022 13:54:14 +0100 X-MC-Unique: DFMKOn1AMvu0Lixm1Isi4A-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 13:54:12 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.040; Mon, 10 Oct 2022 13:54:12 +0100 From: David Laight To: 'Alexei Starovoitov' , Paul Moore CC: 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 Date: Mon, 10 Oct 2022 12:54:12 +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: RnJvbTogQWxleGVpIFN0YXJvdm9pdG92DQo+IFNlbnQ6IDA3IE9jdG9iZXIgMjAyMiAyMjo1NQ0K Li4uLg0KPiBOb3QgZWFzeSBhdCBhbGwuDQo+IFRoZXJlIGlzIG9ubHkgd2F5IHBsYWNlIGluIHRo ZSB3aG9sZSBrZXJuZWwgdGhhdCBkb2VzOg0KPiAgICAgICAgICAgICAgICAgcmV0dXJuIHNrX2dl dHNvY2tvcHQoc2ssIFNPTF9TT0NLRVQsIG9wdG5hbWUsDQo+ICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICBLRVJORUxfU09DS1BUUihvcHR2YWwpLA0KPiAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgS0VSTkVMX1NPQ0tQVFIob3B0bGVuKSk7DQoNClVudGls IEkgYWRkIGNoYW5nZSBteSBvdXQgb2YgdHJlZSBkcml2ZXIgdG8gd29yayB3aXRoDQp0aGUgbmV3 IGNvZGUuDQooQWx0aG91Z2ggaXQgYWN0dWFsbHkgbmVlZHMgdG8gZG8gYSBnZXRzb2Nrb3B0IGlu dG8gU0NUUC4pDQoNCkkgZGlkbid0IHNwb3QgdGhlIGNoYW5nZSB0byBza19nZXRzb2Nrb3B0KCkg Z29pbmcgdGhvdWdoLg0KQnV0IEtFUk5FTF9TT0NLUFRSKCkgaXMgcmVhbGx5IHRoZSB3cm9uZyBm dW5jdGlvbi90eXBlDQpmb3IgdGhlIGxlbmd0aC4NCkl0IHdvdWxkIGJlIG11Y2ggc2FmZXIgdG8g aGF2ZSBhIHN0cnVjdCB3aXRoIHR3byBtZW1iZXJzLA0Kb25lIGFuIF9fdXNlciBwb2ludGVyIGFu ZCBvbmUgYSBrZXJuZWwgcG9pbnRlciBib3RoIHRvDQpzb2NrbGVuX3QuDQoNCkl0IGlzbid0IHJl YWxseSBpZGVhbCBmb3IgdGhlIGJ1ZmZlciBwb2ludGVyIGVpdGhlci4NClRoYXQgc3RhcnRlZCBh cyBhIHNpbmdsZSBmaWVsZCAoYXNzdW1pbmcgdGhlIGNhbGxlcg0KaGFzIHZlcmlmaWVkIHRoZSB1 c2VyL2tlcm5lbCBzdGF0dXMpLCB0aGVuIHRoZSBpc19rZXJuZWwNCmZpZWxkIHdhcyBhZGRlZCBm b3IgYXJjaGl0ZWN0dXJlcyB3aGVyZSB1c2VyL2tlcm5lbA0KYWRkcmVzc2VzIHVzZSB0aGUgc2Ft ZSB2YWx1ZXMuDQpUaGVuIGEgaG9ycmlkIGJ1ZyAoZm9yZ290dGVuIHdoZXJlKSBmb3JjZWQgdGhl IGlzX2tlcm5lbA0KZmllbGQgYmUgdXNlZCBldmVyeXdoZXJlLg0KQWdhaW4gYSBzdHJ1Y3R1cmUg d2l0aCB0d28gcG9pbnRlcnMgd291bGQgYmUgbXVjaCBzYWZlci4NCg0KSW5kZWVkIHRoZSBsZW5n dGggY291bGQgbGlrZWx5IGJlIGluY2x1ZGVkIGFzIHdlbGwuDQpUaGF0IHdvdWxkIGV2ZW4gZ2l2 ZSBzY29wZSBmb3IgYSBzaG9ydCB1c2VyIGJ1ZmZlciBiZWluZw0KY29waWVkIGludG8ga2VybmVs IG1lbW9yeSB3aGlsZSBsZXR0aW5nIGNvZGUgdGhhdCBuZWVkcw0KYSBsb25nIGJ1ZmZlciAob3Ig aWdub3JlcyB0aGUgbGVuZ3RoKSBzdGlsbCBkaXJlY3RseQ0KYWNjZXNzIHVzZXJzcGFjZS4NCg0K SSBjYW4ndCByZW1lbWJlciwgYnV0IHNvbWV0aGluZyBtYWtlcyBtZSB0aGluayB0aGF0IGEgbG90 DQpvZiB0aGUgJ25vdCBjaGVja2luZyB0aGUgbGVuZ3RoJyBzZXRzb2Nrb3B0IGNhbGxzIHdlcmUg aW4NCmRlY25ldCAtIHdoaWNoIGhhcyBub3cgYmVlbiBkZWxldGVkLg0KDQoJRGF2aWQNCg0KLQ0K UmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1p bHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVz KQ0K