Re: [RFC PATCH 2/2] mm: restrict access to /proc/slabinfo

[Cyrill Gorcunov]

On Sat, Sep 10, 2011 at 08:41:34PM +0400, Vasiliy Kulikov wrote:
> Historically /proc/slabinfo has 0444 permissions and is accessible to
> the world.  slabinfo contains rather private information related both to
> the kernel and userspace tasks.  Depending on the situation, it might
> reveal either private information per se or information useful to make
> another targeted attack.  Some examples of what can be learned by
> reading/watching for /proc/slabinfo entries:
> 
...

Since this file is controversy point, probably its permissions might be
configurable via setup option?

	Cyrill
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