Subject: Re: [PATCH] kptr_restrict for hiding kernel pointers from
 unprivileged users
From: Dan Rosenberg <drosenberg@vsecurity.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org,
        netdev <netdev@vger.kernel.org>
In-Reply-To: <1291901420.4063.24.camel@edumazet-laptop>
References: <1291863926.2965.1.camel@Dan>
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	 <1291898801.2965.6.camel@Dan>  <1291901420.4063.24.camel@edumazet-laptop>
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Date: Thu, 09 Dec 2010 21:45:18 -0500
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> 
> Well, it seems difficult to make a check here, its a generic function
> that happens to be used from different contexts.
> 
> Even using in_irq() might be a problem.

I agree it seems difficult - my only goal was to prevent subsequent
breakage with the capability check.  Does anyone have any suggestions
for a better approach here?

-Dan

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