On Tue, 26 Aug 2008 08:52:05 -0500
Christoph Lameter <[EMAIL PROTECTED]> wrote:

> Arjan van de Ven wrote:
> 
> > one useful test is to make sure it's off by default in production
> > kernels (due to the security sensitive nature of leaking this info)
> > It would have been nice if this was in debugfs as well not in proc
> 
> /proc/vmallocinfo is only readable by root. If a user has already
> gained root access then he already has lots of other opportunities to
> do damage.
> 

so which selinux context did you limit this file to?


seriously; exposing kernel address space to userland is not good, root
or not. And we go through relatively great length to make sure we don't
do that in any default config.

> 


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