# Re: \[PATCH v2 05/17\] vdso: Avoid call to memset() by getrandom

- From: Jason A. Donenfeld \<Jason@zx2c4.com\>
- Date: 2024-08-26 08:01:31 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2024/08/290080
- Thread: https://ratatoskr.run/linuxppc-dev/2024/08/289625/t.md

```text
On Thu, Aug 22, 2024 at 09:13:13AM +0200, Christophe Leroy wrote:
> With the current implementation, __cvdso_getrandom_data() calls
> memset(), which is unexpected in the VDSO.
> 
> Rewrite opaque data initialisation to avoid memset().

I think of the various ways I've seen of fixing this -- e.g. adding a
memset() arch-by-arch -- this is the cleanest and simplest. I'll add
this as a fix to random.git now.

Jason

```