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authorChangli Gao <xiaosuo@gmail.com>2010-03-31 22:58:26 +0000
committerDavid S. Miller <davem@davemloft.net>2010-04-01 17:26:01 -0700
commit6503d96168f891ffa3b70ae6c9698a1a722025a0 (patch)
tree9fafcd9eb2c0b3feda0cf4c36e4167ba3028d83a /net/netlink/af_netlink.c
parenta1d6f3f65512cc90a636e6ec653b7bc9e2238753 (diff)
downloadop-kernel-dev-6503d96168f891ffa3b70ae6c9698a1a722025a0.zip
op-kernel-dev-6503d96168f891ffa3b70ae6c9698a1a722025a0.tar.gz
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/netlink/af_netlink.c')
-rw-r--r--net/netlink/af_netlink.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index acbbae1..7954243 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -683,6 +683,9 @@ static int netlink_connect(struct socket *sock, struct sockaddr *addr,
struct netlink_sock *nlk = nlk_sk(sk);
struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr;
+ if (alen < sizeof(addr->sa_family))
+ return -EINVAL;
+
if (addr->sa_family == AF_UNSPEC) {
sk->sk_state = NETLINK_UNCONNECTED;
nlk->dst_pid = 0;
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