From: Steffen Klassert
Date: Thu, 11 Jan 2018 12:37:35 +0100
> 1) Don't allow to change the encap type on state updates.
>The encap type is set on state initialization and
>should not change anymore. From Herbert Xu.
>
> 2) Skip dead policies when rehashing
1) Don't allow to change the encap type on state updates.
The encap type is set on state initialization and
should not change anymore. From Herbert Xu.
2) Skip dead policies when rehashing to fix a
slab-out-of-bounds bug in xfrm_hash_rebuild.
From Florian Westphal.
3) Two buffer