From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263161AbTEBUjY (ORCPT ); Fri, 2 May 2003 16:39:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263162AbTEBUjY (ORCPT ); Fri, 2 May 2003 16:39:24 -0400 Received: from ns.suse.de ([213.95.15.193]:55825 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S263161AbTEBUjT (ORCPT ); Fri, 2 May 2003 16:39:19 -0400 To: "H. Peter Anvin" Cc: linux-kernel@vger.kernel.org Subject: Re: [Announcement] "Exec Shield", new Linux security feature References: <200305021829.h42ITclA000178@81-2-122-30.bradfords.org.uk.suse.lists.linux.kernel> From: Andi Kleen Date: 02 May 2003 22:51:43 +0200 In-Reply-To: Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 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 "H. Peter Anvin" writes: > Followup to: <200305021829.h42ITclA000178@81-2-122-30.bradfords.org.uk> > By author: John Bradford > In newsgroup: linux.dev.kernel > > > > Slightly off-topic, but does anybody know whether IA64 or x86-64 allow > > you to make the stack non-executable in the same way you can on SPARC? > > > > x86-64 definitely does, and it's the default on Linux/x86-64. No we had to turn it off and now it's too late to turn it back on again. There is also one bug left that prevents it. -Andi