1 files changed, 2 insertions, 1 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 9874e60c9b0d..4583fa914e62 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4847,7 +4847,8 @@ static int sctp_connect(struct sock *sk, struct sockaddr *addr,
         }
 
         /* Validate addr_len before calling common connect/connectx routine. */
-        af = sctp_get_af_specific(addr->sa_family);
+        af = addr_len < offsetofend(struct sockaddr, sa_family) ? NULL :
+                sctp_get_af_specific(addr->sa_family);
         if (!af || addr_len < af->sockaddr_len) {
                 err = -EINVAL;
         } else {