1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index d3edc3cf1ce..e94992ab92e 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -317,7 +317,8 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
         int hlimit, tclass;
         int err = 0;
 
-        if ((u8*)hdr < skb->head || (u8*)(hdr+1) > skb->tail)
+        if ((u8 *)hdr < skb->head ||
+            (skb->network_header + sizeof(*hdr)) > skb->tail)
                 return;
 
         /*