ipv6: stable request
From: Denys Zagorui <hidden>
Date: 2018-03-28 11:55:22
12d94a804946af291e24b80fc53ec86264765781 <https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=v4.14.29&id=12d94a804946af291e24b80fc53ec86264765781> ipv6: fix NULL dereference in ip6_route_dev_notify() This BUG touches 4.1 4.4 4.9.