Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263124AbTEBVMl (ORCPT ); Fri, 2 May 2003 17:12:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263127AbTEBVMl (ORCPT ); Fri, 2 May 2003 17:12:41 -0400 Received: from ns.suse.de ([213.95.15.193]:51210 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S263124AbTEBVMk (ORCPT ); Fri, 2 May 2003 17:12:40 -0400 Date: Fri, 2 May 2003 23:25:05 +0200 From: Andi Kleen To: "H. Peter Anvin" Cc: Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: [Announcement] "Exec Shield", new Linux security feature Message-ID: <20030502212505.GD21239@oldwotan.suse.de> References: <200305021829.h42ITclA000178@81-2-122-30.bradfords.org.uk.suse.lists.linux.kernel> <3EB2DB8C.70600@zytor.com> <20030502210758.GB21239@oldwotan.suse.de> <3EB2DEA2.6070002@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3EB2DEA2.6070002@zytor.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 694 Lines: 20 On Fri, May 02, 2003 at 02:09:54PM -0700, H. Peter Anvin wrote: > Andi Kleen wrote: > >> > >>Why is that? And, in particular, why is it "too late to turn it back > > > > mprotect() didn't (and probably still does not) work when you change > > PROT_EXEC. > > > > Kernel bug or CPU bug? Kernel bug probably. Need to debug it sometime, but there were more important things to do. Of course patches would be welcome if anybody is motivated ;) -Andi - 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/