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=-3.8 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 52D61C433E0 for ; Thu, 11 Mar 2021 09:46:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 030BE64FDD for ; Thu, 11 Mar 2021 09:46:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232145AbhCKJqB (ORCPT ); Thu, 11 Mar 2021 04:46:01 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:54415 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232153AbhCKJps (ORCPT ); Thu, 11 Mar 2021 04:45:48 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-225-4UYgS0e5NKS5qbXrFZ57sA-1; Thu, 11 Mar 2021 09:45:44 +0000 X-MC-Unique: 4UYgS0e5NKS5qbXrFZ57sA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 11 Mar 2021 09:45:43 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 11 Mar 2021 09:45:43 +0000 From: David Laight To: "'Eric W. Biederman'" , =?utf-8?B?TWlja2HDq2wgU2FsYcO8bg==?= CC: Al Viro , James Morris , Serge Hallyn , Andy Lutomirski , Casey Schaufler , Christian Brauner , Christoph Hellwig , David Howells , Dominik Brodowski , "John Johansen" , Kees Cook , Kentaro Takeda , Tetsuo Handa , "kernel-hardening@lists.openwall.com" , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-security-module@vger.kernel.org" , =?utf-8?B?TWlja2HDq2wgU2FsYcO8bg==?= Subject: RE: [PATCH v2 1/1] fs: Allow no_new_privs tasks to call chroot(2) Thread-Topic: [PATCH v2 1/1] fs: Allow no_new_privs tasks to call chroot(2) Thread-Index: AQHXFeMKfWlhWd9Z4UmL5GfL4v4dzap+ifLA Date: Thu, 11 Mar 2021 09:45:43 +0000 Message-ID: References: <20210310181857.401675-1-mic@digikod.net> <20210310181857.401675-2-mic@digikod.net> 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 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-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: RnJvbTogRXJpYyBXLiBCaWVkZXJtYW4NCj4gU2VudDogMTAgTWFyY2ggMjAyMSAxOToyNA0KLi4u DQo+IFRoZSBhY3R1YWwgY2xhc3NpYyBjaHJvb3QgZXNjYXBlIGlzLg0KPiBjaGRpcigiLyIpOw0K PiBjaHJvb3QoIi9zb21lZGlyIik7DQo+IGNoZGlyKCIuLi8uLi8uLi8uLiIpOw0KDQpUaGF0IG9u ZSBpcyBlYXNpbHkgY2hlY2tlZC4NCg0KSSB0aG91Z2h0IHNvbWV0aGluZyBsaWtlOg0KY2hyb290 KCIvc29tZWRpciIpOw0KY2hkaXIoIi9zb21lcGF0aCIpOw0KDQpGcmllbmRseSBwcm9jZXNzOg0K bXZkaXIoIi9zb21lZGlyL3NvbWVfcGF0aCIsICIvYmFyIik7DQoNCndhcyB0aGUgYWN0dWFsIGVz Y2FwZT8NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxl eSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0 aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==