Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 13 Oct 2001 17:43:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 13 Oct 2001 17:43:14 -0400 Received: from vitelus.com ([64.81.243.207]:57862 "EHLO vitelus.com") by vger.kernel.org with ESMTP id ; Sat, 13 Oct 2001 17:43:09 -0400 Date: Sat, 13 Oct 2001 14:43:37 -0700 From: Aaron Lehmann To: Jamie Lokier Cc: linux-kernel@vger.kernel.org Subject: Re: Security question: "Text file busy" overwriting executables but not shared libraries? Message-ID: <20011013144337.D9856@vitelus.com> In-Reply-To: <20011013205445.A24854@kushida.jlokier.co.uk> <20011013214603.A1144@kushida.jlokier.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20011013214603.A1144@kushida.jlokier.co.uk> User-Agent: Mutt/1.3.20i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Oct 13, 2001 at 09:46:03PM +0200, Jamie Lokier wrote: > There are applications (GCC comes to mind) which are using mmap() to > read files now because it is measurably faster than read(), for > sufficiently large source files. But it does have the advantage of allowing the sharing of memory, does it not? - 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/