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

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Message-Id: <1219015177.27389.1.camel@localhost.localdomain>
Date:	Sun, 17 Aug 2008 19:19:37 -0400
From:	Eric Paris <eparis@...hat.com>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Jan Harkes <jaharkes@...cmu.edu>, Rik van Riel <riel@...hat.com>,
	"Press, Jonathan" <Jonathan.Press@...com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>, 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, 2008-08-15 at 15:05 -0700, Arjan van de Ven wrote:
> 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.

I could probably buy that, but I don't know how an HSM would work.
Would we have everything we need at open for them to fire off?

/me is HSM clueless and trying to include their needs is proving a
challenge.

-Eric

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