Looks like 4.13 introduces a new incompatibility

[Bruno Wolff III]

On Mon, Jul 10, 2017 at 05:26:50 +0200,
  "Jason A. Donenfeld" <Jason at zx2c4.com> wrote:
>These two commits:
>
>https://git.kernel.org/pub/scm/linux/kernel/git/tytso/random.git/patch/?id=e297a783e41560b44e3c14f38e420cba518113b8
>https://git.kernel.org/pub/scm/linux/kernel/git/tytso/random.git/patch/?id=da9ba564bd683374b8d319756f312821b8265b06

I'm trying it out, but the kernel build will be slow and most likely I won't 
be able to test it until tomorrow afternoon.

(I'm cherry picking the two commits into Linus' current master. This doesn't 
include any patches Fedira is carrying.)