From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:48703 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753038AbcHQTwZ (ORCPT ); Wed, 17 Aug 2016 15:52:25 -0400 Subject: Re: [PATCH 2/2] pipe: make pipe user buffer limit checks more precise To: "Michael Kerrisk (man-pages)" , Andrew Morton References: <86c85cff-7fee-cded-386a-e1d518573dda@gmail.com> <57B301FE.9090108@oracle.com> <1532b6c4-c618-348c-d36a-9679d5d5a1b4@gmail.com> <57B38CF7.5080803@oracle.com> <67c8abf7-df7c-444d-7876-d160a211c969@gmail.com> <57B4BC5B.9050405@oracle.com> <55f54f95-f614-179e-db4b-912adf2199bb@gmail.com> Cc: Willy Tarreau , socketpair@gmail.com, Tetsuo Handa , Jens Axboe , Al Viro , stable@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org From: Vegard Nossum Message-ID: <57B4C051.7030200@oracle.com> Date: Wed, 17 Aug 2016 21:51:45 +0200 MIME-Version: 1.0 In-Reply-To: <55f54f95-f614-179e-db4b-912adf2199bb@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: On 08/17/2016 09:41 PM, Michael Kerrisk (man-pages) wrote: >>> So, would that mean something like the following (where I've moved >>> some checks from pipe_fcntl() to pipe_set_size()): >> [...] > > And, do you agree that something similar is required for alloc_pipe_info() > when creating a pipe? Yeah, that sounds correct to me. Vegard