From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/21942 Path: main.gmane.org!not-for-mail From: Hrvoje Niksic Newsgroups: gmane.emacs.gnus.general Subject: Re: I wanna write an RFC Date: 17 Mar 1999 13:24:45 +0100 Sender: owner-ding@hpc.uh.edu Message-ID: <871zio7182.fsf@pc-hrvoje.srce.hr> References: <87g175q4e5.fsf@pc-hrvoje.srce.hr> NNTP-Posting-Host: coloc-standby.netfonds.no Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 8bit X-Trace: main.gmane.org 1035159953 25544 80.91.224.250 (21 Oct 2002 00:25:53 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Mon, 21 Oct 2002 00:25:53 +0000 (UTC) Return-Path: Original-Received: from fisher.math.uh.edu (fisher.math.uh.edu [129.7.128.35]) by sclp3.sclp.com (8.8.5/8.8.5) with ESMTP id HAA00145 for ; Wed, 17 Mar 1999 07:26:09 -0500 (EST) Original-Received: from sina.hpc.uh.edu (lists@Sina.HPC.UH.EDU [129.7.3.5]) by fisher.math.uh.edu (8.9.1/8.9.1) with ESMTP id GAB08819; Wed, 17 Mar 1999 06:25:26 -0600 (CST) Original-Received: by sina.hpc.uh.edu (TLB v0.09a (1.20 tibbs 1996/10/09 22:03:07)); Wed, 17 Mar 1999 06:25:55 -0600 (CST) Original-Received: from sclp3.sclp.com (root@sclp3.sclp.com [204.252.123.139]) by sina.hpc.uh.edu (8.7.3/8.7.3) with ESMTP id GAA09454 for ; Wed, 17 Mar 1999 06:25:45 -0600 (CST) Original-Received: from pc-hrvoje.srce.hr (mail@pc-hrvoje.srce.hr [161.53.2.132]) by sclp3.sclp.com (8.8.5/8.8.5) with ESMTP id HAA00135 for ; Wed, 17 Mar 1999 07:25:32 -0500 (EST) Original-Received: from hniksic by pc-hrvoje.srce.hr with local (Exim 2.05 #1 (Debian)) id 10NFNN-0000V5-00; Wed, 17 Mar 1999 13:24:45 +0100 Original-To: ding@gnus.org X-Attribution: Hrvoje X-Face: &{dT~)Pu6V<0y?>3p$;@vh\`C7xB~A0T-J%Og)J,@-1%q6Q+, gs<-9M#&`I8cJp2b1{vPE|~+JE+gx;a7%BG{}nY^ehK1"q#rG O,Rn1A_Cy%t]V=Brv7h As I understand Marcus (out mutual friend who investigated this), > the code uses arrays for some sort of prediction, but it indexes > them at least one index off, resulting in both that the predictions > don't work as expected, and that it reads memory outside the table. > This out-of-bounds memory happens to be in another structure in the > compface code, but since everybody uses the same code, it always > works the same way. How can this out-of-bound reads ever work cross-platform? I mean, X-Faces created on sparcs can be read on both sparcs, intels, and alphas. If their creation/rendition were truly the result of out-of-bounds randomness, I don't see how it could work.