From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21119 invoked by alias); 16 Nov 2009 15:43:11 -0000 Received: (qmail 21110 invoked by uid 22791); 16 Nov 2009 15:43:10 -0000 X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from smtp-out.google.com (HELO smtp-out.google.com) (216.239.33.17) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 16 Nov 2009 15:42:06 +0000 Received: from spaceape7.eur.corp.google.com (spaceape7.eur.corp.google.com [172.28.16.141]) by smtp-out.google.com with ESMTP id nAGFg301015962 for ; Mon, 16 Nov 2009 15:42:03 GMT Received: from pzk16 (pzk16.prod.google.com [10.243.19.144]) by spaceape7.eur.corp.google.com with ESMTP id nAGFg0kQ006148 for ; Mon, 16 Nov 2009 07:42:01 -0800 Received: by pzk16 with SMTP id 16so3656287pzk.1 for ; Mon, 16 Nov 2009 07:42:00 -0800 (PST) MIME-Version: 1.0 Received: by 10.115.151.8 with SMTP id d8mr6211769wao.180.1258386120271; Mon, 16 Nov 2009 07:42:00 -0800 (PST) In-Reply-To: <8ac60eac0911160739x6bbc1237w49556339ed855e66@mail.gmail.com> References: <20091115173429.GB23483@caradoc.them.org> <200911152148.nAFLmYPK018249@glazunov.sibelius.xs4all.nl> <8ac60eac0911160739x6bbc1237w49556339ed855e66@mail.gmail.com> Date: Mon, 16 Nov 2009 15:43:00 -0000 Message-ID: <8ac60eac0911160741q58658023u4371fe3e9be9ac3a@mail.gmail.com> Subject: Re: RFC: Longjmp vs LD_POINTER_GUARD revisited From: Paul Pluzhnikov To: "Frank Ch. Eigler" Cc: Mark Kettenis , joseph@codesourcery.com, drow@false.org, gdb-patches@sourceware.org, pedro@codesourcery.com, uweigand@de.ibm.com Content-Type: text/plain; charset=ISO-8859-1 X-System-Of-Record: true X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2009-11/txt/msg00364.txt.bz2 On Mon, Nov 16, 2009 at 7:39 AM, Paul Pluzhnikov wrote: > process itself can trivially discover the problem I meant: "can trivially discover the canary and the algorithm used to obfuscate the return address". -- Paul Pluzhnikov