Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761217AbYHOWF0 (ORCPT ); Fri, 15 Aug 2008 18:05:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752883AbYHOWFP (ORCPT ); Fri, 15 Aug 2008 18:05:15 -0400 Received: from casper.infradead.org ([85.118.1.10]:56619 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752549AbYHOWFO (ORCPT ); Fri, 15 Aug 2008 18:05:14 -0400 Date: Fri, 15 Aug 2008 15:05:09 -0700 From: Arjan van de Ven To: Jan Harkes Cc: Rik van Riel , "Press, Jonathan" , Alan Cox , Eric Paris , peterz@infradead.org, linux-kernel@vger.kernel.org, malware-list@lists.printk.net, hch@infradead.org, andi@firstfloor.org, viro@ZenIV.linux.org.uk Subject: Re: [malware-list] TALPA - a threat model? well sorta. Message-ID: <20080815150509.20ffb91d@infradead.org> In-Reply-To: <20080815201622.GD31584@cs.cmu.edu> References: <1218645375.3540.71.camel@localhost.localdomain> <20080813172437.3ed90b0d@lxorguk.ukuu.org.uk> <1218646065.3540.75.camel@localhost.localdomain> <20080813173722.13c9c306@lxorguk.ukuu.org.uk> <1218646833.3540.82.camel@localhost.localdomain> <20080813205906.559d3f37@lxorguk.ukuu.org.uk> <2629CC4E1D22A64593B02C43E855530304AE4BC2@USILMS12.ca.com> <20080813173529.7069b5f1@cuia.bos.redhat.com> <20080815201622.GD31584@cs.cmu.edu> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.11; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 737 Lines: 21 On Fri, 15 Aug 2008 16:16:22 -0400 Jan Harkes wrote: > > I believe we really do need the block-on-open. I believe more that we need block-on-read ;-) (on open we can start an async scan to cut latency) read() (or mmap etc) is where the actual use/transfer of contaminated data happens, not in the open. -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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/