linux-kernel - Re: Out of tree module using LSM

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Date:	Thu, 29 Nov 2007 17:51:55 +0000
From:	Al Viro <viro@....linux.org.uk>
To:	Ray Lee <ray-lk@...rabbit.org>
Cc:	Greg KH <greg@...ah.com>, Jan Engelhardt <jengelh@...putergmbh.de>,
	Jon Masters <jonathan@...masters.org>, Valdis.Kletnieks@...edu,
	Christoph Hellwig <hch@...radead.org>,
	Casey Schaufler <casey@...aufler-ca.com>,
	"Tvrtko A. Ursulin" <tvrtko.ursulin@...hos.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Out of tree module using LSM

On Thu, Nov 29, 2007 at 09:35:56AM -0800, Ray Lee wrote:

> Perhaps if you looked at this outside of a file-server scenario, the
> problem would be clearer? Anti-malware companies want to check
> anything written to disk on a system, either at write time or blocking
> the open/mmap. That means proactively protecting email programs with
> known vulnerabilities that have yet to be patched, web browsers
> writing and reading their caches, an Apache instance running WebDAV,
> the list goes on. And these are on desktop systems, with no attached
> file/network server.

... and anything promising that is a grade-A snake oil.
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