From: Paolo Abeni <pab...@redhat.com>
Date: Mon, 24 Sep 2018 15:48:19 +0200
> Cong noted that we need the same checks introduced by commit 76c0ddd8c3a6
> ("ip6_tunnel: be careful when accessing the inner header")
> even for ipv4 tunnels.
>
> Fixes: c54419321455 ("GRE: Refactor GRE tunneling code.")
> Suggested-by: Cong Wang <xiyou.wangc...@gmail.com>
> Signed-off-by: Paolo Abeni <pab...@redhat.com>
> ---
> Note: the bug is probably present even before the commit mentioned in
> the fixes tag, but porting this change on older kernel is likely worthless
Applied and queued up for -stable.
