# \[PATCH 5/6\] Pmalloc: self-test

- From: Igor Stoppa \<hidden\>
- Date: 2018-02-22 09:01:09 
- List: linux-security-module
- Page: https://ratatoskr.run/linux-security-module/2018/02/5196961
- Thread: https://ratatoskr.run/linux-security-module/2018/02/5196950/t.md

```text


On 22/02/18 00:24, Kees Cook wrote:
> On Tue, Feb 20, 2018 at 8:40 AM, Igor Stoppa [ref] 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
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