Re: [PATCH v2] crypto/caam: Avoid GCC constprop bug warning

From: Eric Biggers
Date: Thu Dec 01 2022 - 22:32:45 EST


On Thu, Dec 01, 2022 at 07:23:49PM -0800, Kees Cook wrote:
> I think it's a dumb
> limitation, given that "zero size to/from NULL" is perfectly valid.

No, that is undefined behavior. Which is presumably the reason for the nonnull
annotation. Anyway, it is silly, which is why I'd hope that someone would have
added an option to disable this C standard bug by now...

- Eric