iucv: properly clone LSM attributes to newly created child sockets

Much like we had to do for AF_BLUETOOTH and AF_ALG, make sure we
properly clone the parent socket's LSM attributes to newly created
child sockets.

Signed-off-by: Paul Moore <paul@paul-moore.com>

diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index fc3598a..a0d1e36 100644 (file)
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -22,6 +22,7 @@
 #include <linux/skbuff.h>
 #include <linux/init.h>
 #include <linux/poll.h>
+#include <linux/security.h>
 #include <net/sock.h>
 #include <asm/ebcdic.h>
 #include <asm/cpcmd.h>
@@ -530,8 +531,10 @@ static void iucv_sock_close(struct sock *sk)
 
 static void iucv_sock_init(struct sock *sk, struct sock *parent)
 {
-       if (parent)
+       if (parent) {
                sk->sk_type = parent->sk_type;
+               security_sk_clone(parent, sk);
+       }
 }
 
 static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio, int kern)