linux-kernel - Re: [malware-list] [RFC 0/5] [TALPA] Intro to alinuxinterfaceforon access scanning

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Message-ID: <20080817221258.GC21112@atrey.karlin.mff.cuni.cz>
Date:	Mon, 18 Aug 2008 00:12:58 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Eric Paris <eparis@...hat.com>
Cc:	Theodore Tso <tytso@....edu>, Rik van Riel <riel@...hat.com>,
	davecb@....com, linux-security-module@...r.kernel.org,
	Adrian Bunk <bunk@...nel.org>,
	Mihai Don??u <mdontu@...defender.com>,
	linux-kernel@...r.kernel.org, malware-list@...ts.printk.net,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [malware-list] [RFC 0/5] [TALPA] Intro to alinuxinterfaceforon	access scanning

Hi!

> And I still don't get this 'mmap problem' that I don't solve that
> libmalware magically solves.  What?  don't use mmap?  I certainly hope
> not.

Don't use mmap, it is as simple as that. AFAICS mmap(MAP_SHARED) --
which is basically shared memory -- is fundamentally incompatible with
reliable virus scanning.

...or do you have a reasonable solution for mmap?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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