Re: [PATCH 1/2] x86: consider effective protection attributes in W+X check
From: Ingo Molnar
Date: Tue Dec 12 2017 - 05:36:50 EST
* Jan Beulich <JBeulich@xxxxxxxx> wrote:
> Using just the leaf page table entry flags would cause a false warning
> in case _PAGE_RW is clear or _PAGE_NX is set in a higher level entry.
Good find - I assume this bug can cause both false positives and false negatives
as well, right?
Thanks,
Ingo