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>
This commit is contained in:
committed by
David S. Miller
parent
a1d6f3f655
commit
6503d96168
@ -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;
|
||||
|
Reference in New Issue
Block a user