Re: [PATCH] random: always fill buffer in get_random_bytes_wait

From: Theodore Ts'o
Date: Wed Feb 28 2018 - 17:59:43 EST


On Sun, Feb 04, 2018 at 11:07:46PM +0100, Jason A. Donenfeld wrote:
> In the unfortunate event that a developer fails to check the return
> value of get_random_bytes_wait, or simply wants to make a "best effort"
> attempt, for whatever that's worth, it's much better to still fill the
> buffer with _something_ rather than catastrophically failing in the case
> of an interruption. This is both a defense in depth measure against
> inevitable programming bugs, as well as a means of making the API a bit
> more useful.
>
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>

Thanks, applied.

- Ted