diff -u -r1.1.1.1 ip_queue.c
--- a/net/ipv4/netfilter/ip_queue.c	11 May 2004 13:07:08 -0000	1.1.1.1
+++ b/net/ipv4/netfilter/ip_queue.c	4 Aug 2004 14:37:25 -0000
@@ -255,9 +255,10 @@
 				entry->skb->dev->hard_header_parse(entry->skb,
 				                                   pmsg->hw_addr);
 	}
-	
-	if (data_len)
-		memcpy(pmsg->payload, entry->skb->data, data_len);
+
+	if (data_len) 
+		if (skb_copy_bits(entry->skb, 0, pmsg->payload, data_len) != 0)
+			goto nlmsg_failure;
 		
 	nlh->nlmsg_len = skb->tail - old_tail;
 	return skb;