Re: kaslr should avoid setup_data region

From: Kees Cook
Date: Wed Apr 23 2014 - 22:43:22 EST


On Wed, Apr 23, 2014 at 7:35 PM, Dave Young <dyoung@xxxxxxxxxx> wrote:
> Hello Kees
>
> I'm worrying that setup_data regions could be overwitten by randomize
> kernel base. Would you like to fix it in kaslr code?
>
> One problem is there could be a lot of setup_data regions but current
> mem_avoid is an fixed array.

Sure, can you give me some examples? Seems like it shouldn't be too
hard to have the mem_avoid logic walk additional areas.

-Kees

--
Kees Cook
Chrome OS Security
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