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=-0.8 required=3.0 tests=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 AE766C433E0 for ; Thu, 4 Jun 2020 13:29:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8DD0E20772 for ; Thu, 4 Jun 2020 13:29:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728547AbgFDN3L (ORCPT ); Thu, 4 Jun 2020 09:29:11 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:52756 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728456AbgFDN3L (ORCPT ); Thu, 4 Jun 2020 09:29:11 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-67-smgdUXOqPqOLrGJKNE45Cg-1; Thu, 04 Jun 2020 14:28:03 +0100 X-MC-Unique: smgdUXOqPqOLrGJKNE45Cg-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, 4 Jun 2020 14:28:02 +0100 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, 4 Jun 2020 14:28:02 +0100 From: David Laight To: 'Christian Brauner' , Kees Cook CC: Sargun Dhillon , "linux-kernel@vger.kernel.org" , Tycho Andersen , Matt Denton , Jann Horn , Chris Palmer , Aleksa Sarai , Robert Sesek , "containers@lists.linux-foundation.org" , Giuseppe Scrivano , Greg Kroah-Hartman , "Al Viro" , Daniel Wagner , "David S . Miller" , John Fastabend , Tejun Heo , "stable@vger.kernel.org" , "cgroups@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: RE: [PATCH v3 1/4] fs, net: Standardize on file_receive helper to move fds across processes Thread-Topic: [PATCH v3 1/4] fs, net: Standardize on file_receive helper to move fds across processes Thread-Index: AQHWOm8IcrQ9iML/NEWzIJOikhNiKKjIcAVA Date: Thu, 4 Jun 2020 13:28:02 +0000 Message-ID: References: <20200603011044.7972-1-sargun@sargun.me> <20200603011044.7972-2-sargun@sargun.me> <20200604012452.vh33nufblowuxfed@wittgenstein> <202006031845.F587F85A@keescook> <20200604125226.eztfrpvvuji7cbb2@wittgenstein> In-Reply-To: <20200604125226.eztfrpvvuji7cbb2@wittgenstein> Accept-Language: en-GB, en-US Content-Language: 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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org RnJvbTogQ2hyaXN0aWFuIEJyYXVuZXINCj4gU2VudDogMDQgSnVuZSAyMDIwIDEzOjUyDQouLg0K PiBGb3Igc2NtIHlvdSBjYW4gZmFpbCBzb21ld2hlcmUgaW4gdGhlIG1pZGRsZSBvZiBwdXR0aW5n IGFueSBudW1iZXIgb2YNCj4gZmlsZSBkZXNjcmlwdG9ycyBzbyB5b3UncmUgbGVmdCBpbiBhIHN0 YXRlIHdpdGggb25seSBhIHN1YnNldCBvZg0KPiByZXF1ZXN0ZWQgZmlsZSBkZXNjcmlwdG9ycyBp bnN0YWxsZWQgc28gaXQncyBub3QgcmVhbGx5IHVzZWZ1bCB0aGVyZS4NCj4gQW5kIGlmIHlvdSBt YW5hZ2UgdG8gaW5zdGFsbCBhbiBmZCBidXQgdGhlbiBmYWlsIHRvIHB1dF91c2VyKCkgaXQNCj4g dXNlcnNwYWNlIGNhbiBzaW1wbHkgY2hlY2sgaXQncyBmZHMgdmlhIHByb2MgYW5kIGhhcyB0byBh bnl3YXkgb24gYW55DQo+IHNjbSBtZXNzYWdlIGVycm9yLiBJZiB5b3UgZmFpbCBhbiBzY20gbWVz c2FnZSB1c2Vyc3BhY2UgYmV0dGVyIGNoZWNrDQo+IHRoZWlyIGZkcy4NCg0KVGhlcmUgaXMgYSBz aW1pbGFyIGVycm9yIHBhdGggaW4gdGhlIHNjdHAgJ3BlZWxvZmYnIGNvZGUuDQpJZiB0aGUgcHV0 X3VzZXIoKSBmYWlscyBpdCBjdXJyZW50bHkgY2xvc2VzIHRoZSBmZCBiZWZvcmUNCnJldHVybmlu ZyAtRUZBVUxULg0KDQpJJ20gbm90IGF0IGFsbCBzdXJlIHRoaXMgaXMgaGVscGZ1bC4NClRoZSBh cHBsaWNhdGlvbiBjYW4ndCB0ZWxsIHdoZXRoZXIgdGhlIFNJR1NFR1YgaGFwcGVuZWQgb24gdGhl DQpjb3B5aW4gb2YgdGhlIHBhcmFtZXRlcnMgb3IgdGhlIGNvcHlvdXQgb2YgdGhlIHJlc3VsdC4N Cg0KSVNUTSB0aGF0IGlmIHRoZSBhcHBsaWNhdGlvbiBwYXNzZXMgYW4gYWRkcmVzcyB0aGF0IGNh bm5vdA0KYmUgd3JpdHRlbiB0byBpdCBkZXNlcnZlcyB3aGF0IGl0IGdldHMgLSB0eXBpY2FsbHkg YW4gZmQgaXQNCmRvZXNuJ3Qga25vdyB0aGUgbnVtYmVyIG9mLg0KDQpXaGF0IGlzIGltcG9ydGFu dCBpcyB0aGF0IHRoZSBrZXJuZWwgZGF0YSBpcyBjb25zaXN0ZW50Lg0KU28gd2hlbiB0aGUgcHJv Y2VzcyBleGl0cyB0aGUgZmQgaXMgY2xvc2VkIGFuZCBhbGwgdGhlIHJlc291cmNlcw0KYXJlIHJl bGVhc2VkLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFt bGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3Ry YXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K