Re: Non-Exec stack patches

From: Jakub Jelinek
Date: Wed Mar 24 2004 - 12:56:07 EST

On Wed, Mar 24, 2004 at 06:49:21PM +0100, Andi Kleen wrote:
> It's actually not that difficult. You just have to read /proc/self/maps
> and check for the mapping of your current stack pointer.
> For the main stack GROWSDOWN will inherit the x or nx on growing
> down.

That assumes there are always gaps around thread stacks, which doesn't
have to be true. You could make executable some other mapping
as well easily.

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