From: Guillaume Nault <g.na...@alphalink.fr> Date: Wed, 29 Mar 2017 08:44:59 +0200
> The code following l2tp_tunnel_find() expects that a new reference is > held on sk. Either sk_receive_skb() or the discard_put error path will > drop a reference from the tunnel's socket. > > This issue exists in both l2tp_ip and l2tp_ip6. > > Fixes: a3c18422a4b4 ("l2tp: hold socket before dropping lock in l2tp_ip{, > 6}_recv()") > Signed-off-by: Guillaume Nault <g.na...@alphalink.fr> Applied.