diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 5ba875798aa4..ce13fe3c85b5 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -2080,11 +2080,20 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev,
 	int err = NET_RX_SUCCESS;
 	char nullstring[8];
 
+	skb = skb_share_check(skb, GFP_ATOMIC);
+	if (!skb)
+		return NET_RX_SUCCESS;
+
 	if (!pskb_may_pull(skb, sizeof(*trans_hdr))) {
 		kfree_skb(skb);
 		return NET_RX_SUCCESS;
 	}
 
+	if (skb_cow(skb, ETH_HLEN)) {
+		kfree_skb(skb);
+		return NET_RX_SUCCESS;
+	}
+
 	trans_hdr = iucv_trans_hdr(skb);
 	EBCASC(trans_hdr->destAppName, sizeof(trans_hdr->destAppName));
 	EBCASC(trans_hdr->destUserID, sizeof(trans_hdr->destUserID));