kexec failures with DEBUG_RODATA

Kees Cook keescook at google.com
Wed Jun 15 15:54:38 PDT 2016


On Wed, Jun 15, 2016 at 3:42 PM, Russell King - ARM Linux
<linux at armlinux.org.uk> wrote:
> In fact, the apparent confusion over this reinforces my belief that we
> should _not_ give the size of the uncompressed image at all.
>
> The boot environment must be setup such that there is room for the
> uncompressed image (aligned currently to 256 bytes) followed by the
> size of the compressed image, with any appended DTBs included.
> Anything which is located below that is likely to get trampled by
> the decompressor.

Okay, sounds reasonable to me. :)

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security



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