Re: [PATCH 5.7 021/120] random32: update the net random state on interrupt and activity

[Willy Tarreau]

Hi Greg,

On Mon, Aug 03, 2020 at 02:17:59PM +0200, Greg Kroah-Hartman wrote:
> From: Willy Tarreau <w@xxxxxx>
> 
> commit f227e3ec3b5cad859ad15666874405e8c1bbc1d4 upstream.
> 
> This modifies the first 32 bits out of the 128 bits of a random CPU's
> net_rand_state on interrupt or CPU activity to complicate remote
> observations that could lead to guessing the network RNG's internal
> state.
(...)

Stephen reported at least one powerpc build breakage with this one,
and Michael suggested a yet unmerged fix. Thus I'm wondering if we
shouldn't postpone inclusion of these 3 random32 backports to stable
to give some time to stabilize them and avoid breaking setups.

Just my two cents,
Willy