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-rw-r--r--net/sctp/socket.c3
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 {