From 6503d96168f891ffa3b70ae6c9698a1a722025a0 Mon Sep 17 00:00:00 2001 From: Changli Gao Date: Wed, 31 Mar 2010 22:58:26 +0000 Subject: net: check the length of the socket address passed to connect(2) check the length of the socket address passed to connect(2). Check the length of the socket address passed to connect(2). If the length is invalid, -EINVAL will be returned. Signed-off-by: Changli Gao ---- net/bluetooth/l2cap.c | 3 ++- net/bluetooth/rfcomm/sock.c | 3 ++- net/bluetooth/sco.c | 3 ++- net/can/bcm.c | 3 +++ net/ieee802154/af_ieee802154.c | 3 +++ net/ipv4/af_inet.c | 5 +++++ net/netlink/af_netlink.c | 3 +++ 7 files changed, 20 insertions(+), 3 deletions(-) Signed-off-by: David S. Miller --- net/bluetooth/l2cap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'net/bluetooth/l2cap.c') diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 7794a2e2adce..99d68c34e4f1 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -1002,7 +1002,8 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al BT_DBG("sk %p", sk); - if (!addr || addr->sa_family != AF_BLUETOOTH) + if (!addr || alen < sizeof(addr->sa_family) || + addr->sa_family != AF_BLUETOOTH) return -EINVAL; memset(&la, 0, sizeof(la)); -- cgit v1.2.2