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

Jason A. Donenfeld Jason at zx2c4.com
Mon Aug 26 18:01:17 AEST 2024


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


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