From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 15 Dec 2015 15:39:08 -0500
Subject: bluetooth: Validate socket address length in sco_sock_bind().
Origin: https://git.kernel.org/linus/5233252fce714053f0151680933571a2da9cbfb4

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bluetooth/sco.c | 3 +++
 1 file changed, 3 insertions(+)

--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -519,6 +519,9 @@ static int sco_sock_bind(struct socket *
 	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) {