tree f3d9a2a3469383ce8a93fb1e5fb9f1b487b55dd7
parent 851b10d60879539bec8acecb35ed361393399282
author Konstantin Khlebnikov <khlebnikov@yandex-team.ru> 1460979430 +0300
committer David S. Miller <davem@davemloft.net> 1461110965 -0400

cls_cgroup: get sk_classid only from full sockets

skb->sk could point to timewait or request socket which has no sk_classid.
Detected as "BUG: KASAN: slab-out-of-bounds in cls_cgroup_classify".

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>