Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 10 Oct 2002 15:32:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 10 Oct 2002 15:32:09 -0400 Received: from neon-gw-l3.transmeta.com ([63.209.4.196]:60425 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id ; Thu, 10 Oct 2002 15:32:07 -0400 Date: Thu, 10 Oct 2002 12:36:29 -0700 (PDT) From: Linus Torvalds To: Chris Wright cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] 2.5.41 capget fix In-Reply-To: <20021009171500.B25393@figure1.int.wirex.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 751 Lines: 19 On Wed, 9 Oct 2002, Chris Wright wrote: > > Daniel Jacobowitz noticed that sys_capget is not behaving properly when > called with pid of 0. It is supposed to return current capabilities, > not those of swapper. Also cleaned up some duplicate code from a merge > error. Patch is tested, please apply. This is not correct. You drop the tasklist_lock before you actually set read the capabilities, which means that by the time you read them, the task you looked up may not be there any more. Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/