+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -1850,12 +1850,15 @@ static inline int skb_clone_writable(con
+ static inline int __skb_cow(struct sk_buff *skb, unsigned int headroom,
+ int cloned)
+ {
++ unsigned int alloc_headroom = headroom;
+ int delta = 0;
+
+ if (headroom < NET_SKB_PAD)
+- headroom = NET_SKB_PAD;
+- if (headroom > skb_headroom(skb))
++ alloc_headroom = NET_SKB_PAD;
++ if (headroom > skb_headroom(skb) ||
++ (cloned && alloc_headroom > skb_headroom(skb))) {
+ delta = headroom - skb_headroom(skb);
++ }
+
+ if (delta || cloned)
+ return pskb_expand_head(skb, ALIGN(delta, NET_SKB_PAD), 0,