bluetooth: Validate socket address length in sco_sock_bind().

Signed-off-by: David S. Miller <davem@davemloft.net>
torvalds · Dec 15, 2015 · 5233252 · 5233252
1 parent 225734d
commit 5233252
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
@@ -526,6 +526,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr,
 	if (!addr || addr->sa_family != AF_BLUETOOTH)
 		return -EINVAL;
 
+	if (addr_len < sizeof(struct sockaddr_sco))
+		return -EINVAL;
+
 	lock_sock(sk);
 
 	if (sk->sk_state != BT_OPEN) {