[PATCH 3.10 30/35] bluetooth: Validate socket address length in sco_sock_bind().
From: Greg Kroah-Hartman
Date: Wed Jan 20 2016 - 17:16:16 EST
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
[ Upstream commit 5233252fce714053f0151680933571a2da9cbfb4 ]
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/bluetooth/sco.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -456,6 +456,9 @@ 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) {