Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964900AbWAWTEo (ORCPT ); Mon, 23 Jan 2006 14:04:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964903AbWAWTEo (ORCPT ); Mon, 23 Jan 2006 14:04:44 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:57018 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S964900AbWAWTEo (ORCPT ); Mon, 23 Jan 2006 14:04:44 -0500 Subject: Re: Rationale for RLIMIT_MEMLOCK? From: Arjan van de Ven To: Matthias Andree Cc: Linux-Kernel mailing list In-Reply-To: <20060123185549.GA15985@merlin.emma.line.org> References: <20060123105634.GA17439@merlin.emma.line.org> <1138014312.2977.37.camel@laptopd505.fenrus.org> <20060123165415.GA32178@merlin.emma.line.org> <1138035602.2977.54.camel@laptopd505.fenrus.org> <20060123180106.GA4879@merlin.emma.line.org> <1138039993.2977.62.camel@laptopd505.fenrus.org> <20060123185549.GA15985@merlin.emma.line.org> Content-Type: text/plain Date: Mon, 23 Jan 2006 20:04:36 +0100 Message-Id: <1138043076.2977.64.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 640 Lines: 17 On Mon, 2006-01-23 at 19:55 +0100, Matthias Andree wrote: > On Mon, 23 Jan 2006, Arjan van de Ven wrote: > > > hmm... curious that mlockall() succeeds with only a 32kb rlimit.... > > It's quite obvious with the seteuid() shuffling behind the scenes of the > app, for the mlockall() runs with euid==0, and the later mmap() with euid!=0. hmm how on earth was that supposed to work at all???? - 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/