[patch] x86/crash: fix crash_setup_memmap_entries() out-of-bounds access

[Mike Galbraith]

On Fri, 2021-04-16 at 14:16 +0200, Borislav Petkov wrote:
>
> Please be more verbose and structure your commit message like this:

Hrmph, I thought it was too verbose for dinky one-liner if anything.  I
showed the complaint along with an 8x10 color glossy crime scene photo,
then explained why it happened and what to do about it with a perhaps
terse but perfectly clear sentence.

	-Mike