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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 4D7A8C3A59F for ; Thu, 29 Aug 2019 06:00:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1559C205ED for ; Thu, 29 Aug 2019 06:00:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="oDmM+csB"; dkim=pass (1024-bit key) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com header.b="OgSy6G4Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725847AbfH2GAs (ORCPT ); Thu, 29 Aug 2019 02:00:48 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:11904 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725823AbfH2GAs (ORCPT ); Thu, 29 Aug 2019 02:00:48 -0400 Received: from pps.filterd (m0044010.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x7T603MW022697; Wed, 28 Aug 2019 23:00:12 -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=SpOVCw9KQEy/hmZWXM9nnmUt6o+d57cNpJwThkDymLw=; b=oDmM+csBUIjFV4WE2IVo1oq5lE01wIZQwZSB2n0AfubalB48QtVOlQUInOokNFcW3DO8 J/9pSWnHlLmxsjjLYhZPnq7TvUG/extpapjdeMeP6wh+c0avqpv7jQsFzo53+zqvDPPF +k/SdWleWuHRJG2lN1meyOcAVH1e9trmAPI= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com with ESMTP id 2unvnk37fk-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 28 Aug 2019 23:00:12 -0700 Received: from ash-exhub102.TheFacebook.com (2620:10d:c0a8:82::f) by ash-exhub104.TheFacebook.com (2620:10d:c0a8:82::d) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 28 Aug 2019 23:00:03 -0700 Received: from NAM03-BY2-obe.outbound.protection.outlook.com (100.104.31.183) by o365-in.thefacebook.com (100.104.35.172) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5 via Frontend Transport; Wed, 28 Aug 2019 23:00:03 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=b0+fwxt51i+sebDhbNrRdWIIy5rX8aEgCNMZaUyRB9Wf4gpMZ0k9r7jqecfF3fJ82Oz7Pk2xhqEjUBGJciF8KG6u8sOQ29CJE6w5a4Zw7SAktmGxZCT4Bd7gaN+CBOhjv2j9rVmM1RJv9u2JzLkwlov395cbjEaiB/piD9LtyUr4ymtmkr9GtKhoEXsYl1XT53oxCctYRNwqgYW+fehdOcMhkF64T2UdlbTGooH+0SCpd8TWWIzbNz0Gxa6A7v4v9Qql4NFhNGiCjdK+MsrHJj+1o28BluUxKeD7hJw6x6ZAxRrWNckpixieN092onpuhKyl+p8wpnxMZmuqmpgWVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SpOVCw9KQEy/hmZWXM9nnmUt6o+d57cNpJwThkDymLw=; b=a9amvOMH3vix41vAudcXacqrLQIDuAYU0Ckb0Dg2LOBQSKk4kO21LKEO8NF5+mReJQqocqWORGZSxhG+op2ft+KXnQCFvPIj61G3DFnI1mINq5CPRf+lySQyGQgKX843SBm/nqxeljZ3GWm5GS6ENs7nwHO4OaFm5XN3sfklV/h+6WIQMK+4BCSrMz6kg8zahLGJZ08xT28y8iLIRoxQ8gotBOs9I6HEDL6de0VxMxEYpMph+x3v7IpfJ/7ovAM0fcPBDmuV9SwppuIHMp6Eo7Pu11ubO+VG+u/Dv8SksgDz2+Qsie4/3KeZDqvj/NufUWjqd1e8YObJKnssA5B9IQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=fb.com; dmarc=pass action=none header.from=fb.com; dkim=pass header.d=fb.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector2-fb-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=SpOVCw9KQEy/hmZWXM9nnmUt6o+d57cNpJwThkDymLw=; b=OgSy6G4ZNALJtcbJ7jBI5HqYpFsPGoFQLF5zLd79tiJYaKjAEnhZXR9+rV1uuK1cVx4Jdnsu9FCtAYH6naOxS099on1Bq9f0ci8goMzBT285dsklCob7fOeBNLohaXF1NF57OGzh2Lc6T7BrX2+yvYQZsNl/P/Yiwmf5LVLVpMc= Received: from MWHPR15MB1165.namprd15.prod.outlook.com (10.175.3.22) by MWHPR15MB1248.namprd15.prod.outlook.com (10.175.3.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2199.21; Thu, 29 Aug 2019 06:00:02 +0000 Received: from MWHPR15MB1165.namprd15.prod.outlook.com ([fe80::45ee:bc50:acfa:60a5]) by MWHPR15MB1165.namprd15.prod.outlook.com ([fe80::45ee:bc50:acfa:60a5%3]) with mapi id 15.20.2199.021; Thu, 29 Aug 2019 06:00:01 +0000 From: Song Liu To: Alexei Starovoitov CC: Andy Lutomirski , "davem@davemloft.net" , "peterz@infradead.org" , "rostedt@goodmis.org" , "netdev@vger.kernel.org" , "bpf@vger.kernel.org" , "Kernel Team" , "linux-api@vger.kernel.org" Subject: Re: [PATCH v2 bpf-next 1/3] capability: introduce CAP_BPF and CAP_TRACING Thread-Topic: [PATCH v2 bpf-next 1/3] capability: introduce CAP_BPF and CAP_TRACING Thread-Index: AQHVXihsvq41notu3UCsny+JVxUfAqcRoayA Date: Thu, 29 Aug 2019 06:00:01 +0000 Message-ID: <5B8A0EFA-661B-4223-A59C-E16053BBAB81@fb.com> References: <20190829051253.1927291-1-ast@kernel.org> In-Reply-To: <20190829051253.1927291-1-ast@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3445.104.11) x-originating-ip: [2620:10d:c090:180::6d75] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5b2a2023-9f64-41df-abaf-08d72c4621a0 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:MWHPR15MB1248; x-ms-traffictypediagnostic: MWHPR15MB1248: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:983; x-forefront-prvs: 0144B30E41 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(979002)(396003)(346002)(366004)(39860400002)(136003)(376002)(199004)(189003)(54906003)(53936002)(446003)(11346002)(478600001)(2906002)(2616005)(46003)(229853002)(476003)(5024004)(14454004)(86362001)(6246003)(6436002)(305945005)(6916009)(6512007)(486006)(256004)(316002)(7736002)(50226002)(4326008)(53546011)(25786009)(6486002)(5660300002)(558084003)(186003)(14444005)(33656002)(8936002)(8676002)(81156014)(99286004)(66946007)(66476007)(81166006)(66446008)(64756008)(66556008)(91956017)(102836004)(71190400001)(36756003)(71200400001)(6116002)(76116006)(6506007)(57306001)(76176011)(969003)(989001)(999001)(1009001)(1019001);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHPR15MB1248;H:MWHPR15MB1165.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX: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: 34qEUmkCseI3OEcPi3wCdG84x6THtz1zlgEgia2EU3+Ys2N1Zbe0mqGmRMSWhXnAYhJYBhWdMmXwwl0VtaqW7drM3Shy5NrUrYVAdUIRuVZeDziOtgaPlc6TFsVelz+/3cNK0wmeXazusmi/HaGItEfNksYG3aom6jwHMirgGaYSli0vn2dNPNnK+xNdyafUApXP9UkACw4omJMI/wsWedf60sXA7Ru9R/O1KWYM+o75nCVzEzkJXT9/Rp461gaagsh+mgZVEmkquGkXgPV4eTTTkTthT6RpdFc5ocCscfyXUaHD8cZ9MVMMaeJ3Xajzb+oCArxLuUcL+vr0Dis+L3yXrPqKmEKGQBjlyGS33O6paaFdx26N0/Z3vmFpzuP0kQEeyChK4TNnJ09CMEtSRDM1GCzs/6StPgbmtd0HDi4= Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 5b2a2023-9f64-41df-abaf-08d72c4621a0 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Aug 2019 06:00:01.8675 (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: jrOuZL92Zj44iI6bDZdQ3UUx25NV1befPexvNj3oOav89nzONkQBGy3TjycVVfFg4fVZNV/wJ2d2zGin1pbvQA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR15MB1248 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.70,1.0.8 definitions=2019-08-29_04:2019-08-28,2019-08-29 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 adultscore=0 suspectscore=0 mlxscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 phishscore=0 clxscore=1015 priorityscore=1501 mlxlogscore=758 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1906280000 definitions=main-1908290066 X-FB-Internal: deliver Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org > On Aug 28, 2019, at 10:12 PM, Alexei Starovoitov wrote: >=20 [...] > - Creation of [ku][ret]probe > - Accessing arbitrary kernel memory via kprobe + probe_kernel_read > - Attach tracing bpf programs to perf events > - Access to kallsyms >=20 > Signed-off-by: Alexei Starovoitov Acked-by: Song Liu