diff --git a/net/socket.c b/net/socket.c
index e1bd5d84..c699e93 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1745,10 +1745,11 @@
 		goto out_freeiov;
 	ctl_len = msg_sys.msg_controllen; 
 	if ((MSG_CMSG_COMPAT & flags) && ctl_len) {
-		err = cmsghdr_from_user_compat_to_kern(&msg_sys, ctl, sizeof(ctl));
+		err = cmsghdr_from_user_compat_to_kern(&msg_sys, sock->sk, ctl, sizeof(ctl));
 		if (err)
 			goto out_freeiov;
 		ctl_buf = msg_sys.msg_control;
+		ctl_len = msg_sys.msg_controllen;
 	} else if (ctl_len) {
 		if (ctl_len > sizeof(ctl))
 		{