[IPV4] TUNNEL4: Fix incoming packet length check for inter-protocol tunnel.

Signed-off-by: YOSHIFUJI Hideaki <[email protected]>

diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index d3b709a6f2644e0ff400ff4dfe8dd80d66efce51..cb1f0e83830b408871139ca9a809b5320ea809b7 100644 (file)
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -97,7 +97,7 @@ static int tunnel64_rcv(struct sk_buff *skb)
 {
        struct xfrm_tunnel *handler;
 
-       if (!pskb_may_pull(skb, sizeof(struct iphdr)))
+       if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
                goto drop;
 
        for (handler = tunnel64_handlers; handler; handler = handler->next)