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/ipv4/af_inet.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'net/ipv4/af_inet.c') diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 33b7dffa773..a366861bf4c 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -530,6 +530,8 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr, { struct sock *sk = sock->sk; + if (addr_len < sizeof(uaddr->sa_family)) + return -EINVAL; if (uaddr->sa_family == AF_UNSPEC) return sk->sk_prot->disconnect(sk, flags); @@ -573,6 +575,9 @@ int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, int err; long timeo; + if (addr_len < sizeof(uaddr->sa_family)) + return -EINVAL; + lock_sock(sk); if (uaddr->sa_family == AF_UNSPEC) { -- cgit v1.2.3-70-g09d2