1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c4619a428d9b..f8f234708b98 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -344,6 +344,13 @@ extern void	      skb_over_panic(struct sk_buff *skb, int len,
                                      void *here);
 extern void           skb_under_panic(struct sk_buff *skb, int len,
                                       void *here);
+extern void           skb_truesize_bug(struct sk_buff *skb);
+
+static inline void skb_truesize_check(struct sk_buff *skb)
+{
+        if (unlikely((int)skb->truesize < sizeof(struct sk_buff) + skb->len))
+                skb_truesize_bug(skb);
+}
 
 extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
                         int getfrag(void *from, char *to, int offset,