linux-kernel - Re: [malware-list] TALPA - a threat model? well sorta.

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Message-ID: <20080815150509.20ffb91d@infradead.org>
Date:	Fri, 15 Aug 2008 15:05:09 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Jan Harkes <jaharkes@...cmu.edu>
Cc:	Rik van Riel <riel@...hat.com>,
	"Press, Jonathan" <Jonathan.Press@...com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Eric Paris <eparis@...hat.com>, peterz@...radead.org,
	linux-kernel@...r.kernel.org, malware-list@...ts.printk.net,
	hch@...radead.org, andi@...stfloor.org, viro@...IV.linux.org.uk
Subject: Re: [malware-list] TALPA - a threat model?  well sorta.

On Fri, 15 Aug 2008 16:16:22 -0400
Jan Harkes <jaharkes@...cmu.edu> 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.


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