[PATCH 4.14 103/138] netlink: make sure nladdr has correct size in netlink_connect()

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Alexander Potapenko [ Upstream commit 7880287981b60a6808f39f297bb66936e8bdf57a ] KMSAN reports use of uninitialized memory in the case when |alen| is smaller than

[PATCH 4.14 103/138] netlink: make sure nladdr has correct size in netlink_connect()

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Alexander Potapenko [ Upstream commit 7880287981b60a6808f39f297bb66936e8bdf57a ] KMSAN reports use of uninitialized memory in the case when |alen| is smaller than sizeof(struct sockaddr_nl),