Re: [PATCH 3/3] security: allow capable check to permit mmap or lowvm space

From: James Morris
Date: Fri Nov 16 2007 - 17:12:54 EST


On Fri, 16 Nov 2007, Eric Paris wrote:

> When this protection was originally concieved it intentionally was
> offing something even without an more 'full featured' LSM. That was the
> whole reason I had to drop the secondary stacking hook inside the
> selinux code.
>
> While I now understand the question, I think that this is the behavior
> most people would want. I'll revert the security enhancement for
> non-LSM systems if others agree with James, but I think adding another
> small bit of protection against kernel flaws for everyone who wants
> security is a win. (and remember, in kernel we still default this to
> off so noone is going to 'accidentally' see and security checks in the
> dummy hooks)

If it's off by default and generally useful across LSMs, why not just put
it in the base kernel code?


- James
--
James Morris <jmorris@xxxxxxxxx>
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