Re: [PATCH 5/6] Pmalloc: self-test

From: Igor Stoppa
Date: Thu Feb 22 2018 - 04:01:46 EST




On 22/02/18 00:24, Kees Cook wrote:
> On Tue, Feb 20, 2018 at 8:40 AM, Igor Stoppa <igor.stoppa@xxxxxxxxxx> wrote:

[...]

>> sorry for being dense ... are you proposing that I do something to
>> lkdtm_rodata.c ? An example would probably help me understand.
>
> It would likely live in lkdtm_perms.c (or maybe lkdtm_heap.c). Namely,
> use the pmalloc API and then attempt to write to a read-only variable
> in the pmalloc region (to prove that the permission adjustment
> actually happened). Likely a good example is
> lkdtm_WRITE_RO_AFTER_INIT().


ok, thanks for the explanation, I will do it

--
igor