net: hook socketpair() into LSM
Use the newly created LSM-hook for socketpair(). The default hook
return-value is 0, so behavior stays the same unless LSMs start using
this hook.
Acked-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: James Morris <james.morris@microsoft.com>
diff --git a/net/socket.c b/net/socket.c
index f10f1d9..667a7b3 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1420,6 +1420,13 @@ int __sys_socketpair(int family, int type, int protocol, int __user *usockvec)
goto out;
}
+ err = security_socket_socketpair(sock1, sock2);
+ if (unlikely(err)) {
+ sock_release(sock2);
+ sock_release(sock1);
+ goto out;
+ }
+
err = sock1->ops->socketpair(sock1, sock2);
if (unlikely(err < 0)) {
sock_release(sock2);
