From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755374AbXKTWzU (ORCPT ); Tue, 20 Nov 2007 17:55:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751685AbXKTWzB (ORCPT ); Tue, 20 Nov 2007 17:55:01 -0500 Received: from mx1.redhat.com ([66.187.233.31]:34644 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751655AbXKTWzA (ORCPT ); Tue, 20 Nov 2007 17:55:00 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Ingo Molnar X-Fcc: ~/Mail/linus Cc: "Eric W. Biederman" , Pavel Emelyanov , "Rafael J. Wysocki" , Pavel Machek , kernel list , netdev , Ulrich Drepper Subject: Re: 2.6.24-rc3: find complains about /proc/net In-Reply-To: Ingo Molnar's message of Tuesday, 20 November 2007 23:35:59 +0100 <20071120223559.GA6655@elte.hu> References: <20071119191000.GA1560@elf.ucw.cz> <200711192304.25087.rjw@sisk.pl> <4743026B.2020907@openvz.org> <20071120215914.GE24156@elte.hu> <20071120223559.GA6655@elte.hu> X-Zippy-Says: When this load is DONE I think I'll wash it AGAIN.. Message-Id: <20071120225457.B6E2D26F8BE@magilla.localdomain> Date: Tue, 20 Nov 2007 14:54:57 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org When did /proc/self get changed to follow tgid instead of pid? glibc uses /proc/self to refer to various things that are usually shared anyway (fd, maps, cwd, exe), but I think the expectation has always been that this refers to the same calling thread, not the group leader. e.g., if one thread has changed uids so it no longer has access to the group leader's /proc/PID/fd, suddenly it using /proc/self/fd starts failing. Thanks, Roland