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-rw-r--r--net/l2tp/l2tp_ip6.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index aab5f74e91e6..7704ea9502fd 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -371,6 +371,9 @@ static int l2tp_ip6_connect(struct sock *sk, struct sockaddr *uaddr,
if (addr_len < sizeof(*lsa))
return -EINVAL;
+ if (usin->sin6_family != AF_INET6)
+ return -EINVAL;
+
addr_type = ipv6_addr_type(&usin->sin6_addr);
if (addr_type & IPV6_ADDR_MULTICAST)
return -EINVAL;
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