Re: [PATCH v3 00/11] mm: Hardened usercopy

From: Kees Cook
Date: Wed Jul 20 2016 - 13:44:52 EST


On Wed, Jul 20, 2016 at 9:02 AM, David Laight <David.Laight@xxxxxxxxxx> wrote:
> From: Kees Cook
>> Sent: 20 July 2016 16:32
> ...
>> Yup: that's exactly what it's doing: walking up the stack. :)
>
> Remind me to make sure all our customers run kernels with it disabled.

What's your concern with stack walking?

-Kees

--
Kees Cook
Chrome OS & Brillo Security