From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 3 Jan 2001 22:33:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 3 Jan 2001 22:33:07 -0500 Received: from Cantor.suse.de ([194.112.123.193]:51975 "HELO Cantor.suse.de") by vger.kernel.org with SMTP id ; Wed, 3 Jan 2001 22:32:59 -0500 Date: Thu, 4 Jan 2001 04:32:44 +0100 From: Andi Kleen To: David Huggins-Daines Cc: linux-kernel@vger.kernel.org, Dan Aloni Subject: Re: [RFC] prevention of syscalls from writable segments, breaking bug exploits Message-ID: <20010104043244.A16413@gruyere.muc.suse.de> In-Reply-To: <87hf3gj94q.fsf@monolith.cepstral.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <87hf3gj94q.fsf@monolith.cepstral.com>; from dhd@eradicator.org on Wed, Jan 03, 2001 at 10:20:37PM -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 03, 2001 at 10:20:37PM -0500, David Huggins-Daines wrote: > Dan Aloni writes: > > > This preliminary, small patch prevents execution of system calls which > > were executed from a writable segment. > > How does signal return work, then? Newer glibc sets a sa_restorer. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/