Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262106AbVCNKMu (ORCPT ); Mon, 14 Mar 2005 05:12:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262104AbVCNKMt (ORCPT ); Mon, 14 Mar 2005 05:12:49 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:33433 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S262106AbVCNKI7 (ORCPT ); Mon, 14 Mar 2005 05:08:59 -0500 Subject: Re: [PATCH 2.6] fix mprotect() with len=(size_t)(-1) to return -ENOMEM From: Arjan van de Ven To: Gordon Jin Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, michael.fu@intel.com In-Reply-To: <1110794148.26254.45.camel@yjin3-dev.sh.intel.com> References: <1110794148.26254.45.camel@yjin3-dev.sh.intel.com> Content-Type: text/plain Date: Mon, 14 Mar 2005 11:08:51 +0100 Message-Id: <1110794932.6288.58.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-3) Content-Transfer-Encoding: 7bit X-Spam-Score: 4.1 (++++) X-Spam-Report: SpamAssassin version 2.63 on pentafluge.infradead.org summary: Content analysis details: (4.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.3 RCVD_NUMERIC_HELO Received: contains a numeric HELO 1.1 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] 2.5 RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 0.1 RCVD_IN_SORBS RBL: SORBS: sender is listed in SORBS [80.57.133.107 listed in dnsbl.sorbs.net] 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: 544 Lines: 15 On Mon, 2005-03-14 at 17:55 +0800, Gordon Jin wrote: > This patch fixes a corner case in sys_mprotect(): > > Case: len is so large that will overflow to 0 after page alignment. shouldn't we just fix the alignment code instead that the overflow case doesn't align to 0??? that sounds really odd. - 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/