bluetooth: Validate socket address length in sco_sock_bind().

Signed-off-by: N David S. Miller <davem@davemloft.net>

bluetooth: Validate socket address length in sco_sock_bind().
Signed-off-by: N David S. Miller <davem@davemloft.net>
5233252f · David S. Miller · 225734de · 5233252f
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Showing with 3 addition and 0 deletion

net/bluetooth/sco.c net/bluetooth/sco.c +3 -0

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--- 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) {