[PATCH] lib/crypto: blake2s: fix a CFI failure

[Jason A. Donenfeld]

On 1/19/22, Jason A. Donenfeld <Jason at zx2c4.com> wrote:
> Hi Miles,
>
> Okay. Keep me posted.
>
> Just FYI, as mentioned, I'm unable to reproduce this, and you haven't
> provided any further minimized guidance on how I might reproduce this,
> so it'll sit in the "not a bug" bin until I have another clue on how
> to reproduce. Alternatively, Nick and Nathan are now on this thread
> and they usually have good luck teasing out compiler issues and such,
> so maybe they'll have an idea. But I'm afraid with the information I
> currently have, I'm at a dead end.
>
> Jason
>

We're back in business! I was able to reproduce this using FullLTO
rather than ThinLTO.