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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 3C648C48BD5 for ; Tue, 25 Jun 2019 22:48:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 090732086D for ; Tue, 25 Jun 2019 22:48:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="rMPPRlax"; dkim=pass (1024-bit key) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com header.b="sQYUr2CZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726445AbfFYWsi (ORCPT ); Tue, 25 Jun 2019 18:48:38 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:12152 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726362AbfFYWsh (ORCPT ); Tue, 25 Jun 2019 18:48:37 -0400 Received: from pps.filterd (m0109331.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5PMgfsc000893; Tue, 25 Jun 2019 15:48:15 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=facebook; bh=o2UkOG8Syr7ODGXv5E5rhUKyvfMQ8dGI/QiEFOuiot8=; b=rMPPRlaxS1rhp4chzutdhMjxbCN1JEHh2i1IZO7K9KrDFmlyPQ4xAd0DqbfvO4m7LWMW kqqi35WGOULtM0Nutj912vlAz3DtlNJBhnHoqgoqMCEQfM8jmDt+sHXIPVpZc6e3qKav LcNAVy8c6PPBzv+R6iL6cuI1YbC0dVqO7Jw= Received: from mail.thefacebook.com (mailout.thefacebook.com [199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2tbrn78xuu-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 25 Jun 2019 15:48:14 -0700 Received: from prn-mbx05.TheFacebook.com (2620:10d:c081:6::19) by prn-hub05.TheFacebook.com (2620:10d:c081:35::129) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5; Tue, 25 Jun 2019 15:48:00 -0700 Received: from prn-hub05.TheFacebook.com (2620:10d:c081:35::129) by prn-mbx05.TheFacebook.com (2620:10d:c081:6::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5; Tue, 25 Jun 2019 15:48:00 -0700 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (192.168.54.28) by o365-in.thefacebook.com (192.168.16.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5 via Frontend Transport; Tue, 25 Jun 2019 15:48:00 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector1-fb-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=o2UkOG8Syr7ODGXv5E5rhUKyvfMQ8dGI/QiEFOuiot8=; b=sQYUr2CZuVTFCqpRS7oUuyizD1k+oPi9eiBBuIQyB6yK9hGb7krIR6eYtaW6+vHEbKu4MF1TdiPIeD2FzCI1Iu7A2F5fuZ9JN/gGni1NlNN7IGW2X0kdQKO8Q9lnRXlZsLq/5XHv8nLbWcIp9+LCOUmbIlStHlAynQFxojRL14E= Received: from BYAPR15MB2501.namprd15.prod.outlook.com (52.135.196.11) by BYAPR15MB2470.namprd15.prod.outlook.com (52.135.200.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2008.13; Tue, 25 Jun 2019 22:47:59 +0000 Received: from BYAPR15MB2501.namprd15.prod.outlook.com ([fe80::60a3:8bdd:1ea2:3702]) by BYAPR15MB2501.namprd15.prod.outlook.com ([fe80::60a3:8bdd:1ea2:3702%7]) with mapi id 15.20.2008.014; Tue, 25 Jun 2019 22:47:58 +0000 From: Alexei Starovoitov To: Stanislav Fomichev CC: Song Liu , "netdev@vger.kernel.org" , "bpf@vger.kernel.org" , "ast@kernel.org" , "daniel@iogearbox.net" , Kernel Team Subject: Re: [PATCH bpf-next 0/4] sys_bpf() access control via /dev/bpf Thread-Topic: [PATCH bpf-next 0/4] sys_bpf() access control via /dev/bpf Thread-Index: AQHVK4MdyAZ0Ka1YIEmBVlfa/Cpneaas2J6AgAACRQCAAAWGAIAAGJ6A Date: Tue, 25 Jun 2019 22:47:58 +0000 Message-ID: <40059e14-7ce0-3d32-8092-698f72612ff3@fb.com> References: <20190625182303.874270-1-songliubraving@fb.com> <20190625205155.GD10487@mini-arch> <59e56064-354c-d6b9-101a-c698976e6723@fb.com> <20190625211948.GE10487@mini-arch> In-Reply-To: <20190625211948.GE10487@mini-arch> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MWHPR2001CA0007.namprd20.prod.outlook.com (2603:10b6:301:15::17) To BYAPR15MB2501.namprd15.prod.outlook.com (2603:10b6:a02:88::11) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:200::1:ec57] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 330441b3-dce5-4a80-43bd-08d6f9bf2b7d x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:BYAPR15MB2470; x-ms-traffictypediagnostic: BYAPR15MB2470: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 0079056367 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(39860400002)(396003)(366004)(136003)(346002)(376002)(189003)(199004)(256004)(8936002)(4326008)(31696002)(6916009)(86362001)(25786009)(478600001)(36756003)(14444005)(71200400001)(2616005)(6486002)(186003)(5660300002)(53936002)(66556008)(71190400001)(52116002)(68736007)(11346002)(31686004)(76176011)(46003)(6116002)(6436002)(386003)(102836004)(6506007)(53546011)(66446008)(305945005)(54906003)(64756008)(66946007)(7736002)(6512007)(99286004)(2906002)(316002)(476003)(486006)(229853002)(81166006)(446003)(73956011)(8676002)(14454004)(66476007)(81156014)(6246003);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB2470;H:BYAPR15MB2501.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: DgJQwtiGq9z0RIbdXe9XzSTu0L3chTv4iJovM0+0+Gg06spoU+66z9fMHUGc9Lf45rfYztGcWo8PjlSLCas0ZzoCqadzvZa1tj2BCLTJQHQmkzn9oRwbBEsYPJ2XvzpBRmyGZ0EdRO7nd/g0aWkg6ZRlCoN+yIv653KfvrscQCOURgdqtOKE/m6H6jPvLJ0Mq60d+3EiPG2H1DEMYj+3phuD58qtl7IXmHAryDyoqKJToYzQuSI1AlUQ6nafSgRepAFfFaLan44y3ToZe7gvj+FedSImmY+kWeLYcOXRsJmYO2WZi/W8DM1ZT18S4JGKN6Qn6zKVqrMIU1E2b+ChLA+O3COvT61Kmq5tsGjbd6U3PNYgo9needgMSYxgSlZlTgViBcXQNVR7vdMVcK98UUtAEIbEwzAKe+zA38zhQ8s= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 330441b3-dce5-4a80-43bd-08d6f9bf2b7d X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jun 2019 22:47:58.8280 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ast@fb.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2470 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-25_14:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906250182 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org T24gNi8yNS8xOSAyOjE5IFBNLCBTdGFuaXNsYXYgRm9taWNoZXYgd3JvdGU6DQo+IE9uIDA2LzI1 LCBBbGV4ZWkgU3Rhcm92b2l0b3Ygd3JvdGU6DQo+PiBPbiA2LzI1LzE5IDE6NTEgUE0sIFN0YW5p c2xhdiBGb21pY2hldiB3cm90ZToNCj4+PiBPbiAwNi8yNSwgU29uZyBMaXUgd3JvdGU6DQo+Pj4+ IEN1cnJlbnRseSwgbW9zdCBhY2Nlc3MgdG8gc3lzX2JwZigpIGlzIGxpbWl0ZWQgdG8gcm9vdC4g SG93ZXZlciwgdGhlcmUgYXJlDQo+Pj4+IHVzZSBjYXNlcyB0aGF0IHdvdWxkIGJlbmVmaXQgZnJv bSBub24tcHJpdmlsZWdlZCB1c2Ugb2Ygc3lzX2JwZigpLCBlLmcuDQo+Pj4+IHN5c3RlbWQuDQo+ Pj4+DQo+Pj4+IFRoaXMgc2V0IGludHJvZHVjZXMgYSBuZXcgbW9kZWwgdG8gY29udHJvbCB0aGUg YWNjZXNzIHRvIHN5c19icGYoKS4gQQ0KPj4+PiBzcGVjaWFsIGRldmljZSwgL2Rldi9icGYsIGlz IGludHJvZHVjZWQgdG8gbWFuYWdlIGFjY2VzcyB0byBzeXNfYnBmKCkuDQo+Pj4+IFVzZXJzIHdp dGggYWNjZXNzIHRvIG9wZW4gL2Rldi9icGYgd2lsbCBiZSBhYmxlIHRvIGFjY2VzcyBtb3N0IG9m DQo+Pj4+IHN5c19icGYoKSBmZWF0dXJlcy4gVGhlIHVzZSBjYW4gZ2V0IGFjY2VzcyB0byBzeXNf YnBmKCkgYnkgb3BlbmluZyAvZGV2L2JwZg0KPj4+PiBhbmQgdXNlIGlvY3RsIHRvIGdldC9wdXQg cGVybWlzc2lvbi4NCj4+Pj4NCj4+Pj4gVGhlIHBlcm1pc3Npb24gdG8gYWNjZXNzIHN5c19icGYo KSBpcyBtYXJrZWQgYnkgYml0IFRBU0tfQlBGX0ZMQUdfUEVSTUlUVEVEDQo+Pj4+IGluIHRhc2tf c3RydWN0LiBEdXJpbmcgZm9yaygpLCBjaGlsZCB3aWxsIG5vdCBpbmhlcml0IHRoaXMgYml0Lg0K Pj4+IDJjOiBpZiB3ZSBhcmUgZ29pbmcgdG8gaGF2ZSBhbiBmZCwgSSdkIHZvdGUgZm9yIGEgcHJv cGVyIGZkIGJhc2VkIGFjY2Vzcw0KPj4+IGNoZWNrcyBpbnN0ZWFkIG9mIGEgcGVyLXRhc2sgZmxh Zywgc28gd2UgY2FuIGRvOg0KPj4+IAlpb2N0bChmZCwgQlBGX01BUF9DUkVBVEUsIHVhdHRyLCBz aXplb2YodWF0dHIpKQ0KPj4+DQo+Pj4gKGFuZCBwYXNzIHRoaXMgZmQgYXJvdW5kKQ0KPj4+DQo+ Pj4gSSBkbyB1bmRlcnN0YW5kIHRoYXQgaXQgYnJlYWtzIGN1cnJlbnQgYXNzdW1wdGlvbnMgdGhh dCBsaWJicGYgaGFzLA0KPj4+IGJ1dCBtYXliZSB3ZSBjYW4gZXh0ZW5kIF94YXR0ciB2YXJpYW50 cyB0byBhY2NlcHQgb3B0aW5hbCBmZCAoYW5kIHRyeQ0KPj4+IHRvIGZhbGxiYWNrIHRvIHN5c2N0 bCBpZiBpdCdzIGFic2VudC9ub3Qgd29ya2luZyk/DQo+Pg0KPj4gYm90aCBvZiB0aGVzZSBpZGVh cyB3ZXJlIGRpc2N1c3NlZCBhdCBsc2ZtbSB3aGVyZSB5b3Ugd2VyZSBwcmVzZW50Lg0KPj4gSSdt IG5vdCBzdXJlIHdoeSB5b3UncmUgYnJpbmcgaXQgdXAgYWdhaW4/DQo+IERpZCB3ZSBhY3R1YWxs eSBzZXR0bGUgb24gYW55dGhpbmc/IEluIHRoYXQgY2FzZSBmZWVsIGZyZWUgdG8gaWdub3JlIG1l LA0KPiBtYXliZSBJIG1pc3NlZCB0aGF0LiBJIHJlbWVtYmVyIHRoZXJlIHdlcmUgcHJvcy9jb25z IGZvciBib3RoIGltcGxlbWVudGF0aW9ucy4NCg0KeWVzLiBUaGF0IHdhcyBteSB1bmRlcnN0YW5k aW5nIGZyb20gbHNmbW0uDQpXaGljaCB3YXM6DQoxLiByZXBsaWNhdGluZyBhbGwgY29tbWFuZHMg dmlhIGlvY3RsIGlzIG5vdCBnb2luZyB0byB3b3JrLg0KICAgQWxzbyBpb2N0bCBjYW5ub3QgcmV0 dXJuIGZkLg0KMi4gYWRkaW5nIGZkIHRvIGFsbCBzdHJ1Y3RzIGluc2lkZSBicGZfYXR0ciBpcyBh IGJpZyBjaHVybiBvbiB1YXBpLg0KICAgYWxsIGZ1dHVyZSBzdHJ1Y3RzIHdvdWxkIG5lZWQgdG8g aGF2ZSB0aGlzIGV4dHJhIGZkIGFzIHdlbGwuDQogICBJIGRvbid0IGxpa2UgdGhhdCBraW5kIG9m IGNydXRjaCB0byBiZSBjYXJyaWVkIG92ZXIgYW5kIG92ZXIgYWdhaW4uDQoNClRoZSBvbmx5IHRo aW5nIHdlIGNhbiBjb25zaWRlciBpbnN0ZWFkIG9mIGlvY3RsIGlzIHRvIGFkZCBzaW5nbGUNCm5l dyBjb21tYW5kIGZvciBicGYgc3lzY2FsbCB0aGF0IHdpbGwgdGFrZSB0aGF0IGZkIGFuZCBhcHBs eQ0KdGhlIGF0dHJpYnV0ZSB0byB0YXNrIHN0cnVjdC4NCmlvY3RsIG9uIHRoYXQgZmQgb3IgbmV3 IGNvbW1hbmQgbG9vayBlcXVpdmFsZW50IHRvIG1lLg0K