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authorChangli Gao <xiaosuo@gmail.com>2010-03-31 22:58:26 (GMT)
committerDavid S. Miller <davem@davemloft.net>2010-04-02 00:26:01 (GMT)
commit6503d96168f891ffa3b70ae6c9698a1a722025a0 (patch)
tree9fafcd9eb2c0b3feda0cf4c36e4167ba3028d83a /net/can
parenta1d6f3f65512cc90a636e6ec653b7bc9e2238753 (diff)
downloadlinux-fsl-qoriq-6503d96168f891ffa3b70ae6c9698a1a722025a0.tar.xz
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 <xiaosuo@gmail.com> ---- 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 <davem@davemloft.net>
Diffstat (limited to 'net/can')
-rw-r--r--net/can/bcm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/can/bcm.c b/net/can/bcm.c
index e32af52..629ad1d 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1478,6 +1478,9 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len,
struct sock *sk = sock->sk;
struct bcm_sock *bo = bcm_sk(sk);
+ if (len < sizeof(*addr))
+ return -EINVAL;
+
if (bo->bound)
return -EISCONN;