xt_ECHO: ensure IP header length is set

diff --git a/extensions/xt_ECHO.c b/extensions/xt_ECHO.c
index 2f1a5ebb75e20c0cbd275995b6ef732bbf529f79..fe7497c8a76cb7624b7fe3c5d3406885a6abcad0 100644 (file)
--- a/extensions/xt_ECHO.c
+++ b/extensions/xt_ECHO.c
@@ -76,6 +76,7 @@ echo_tg6(struct sk_buff *oldskb, const struct xt_action_param *par)
        payload  = skb_header_pointer(oldskb, par->thoff +
                   sizeof(*oldudp), data_len, NULL);
        memcpy(skb_put(newskb, data_len), payload, data_len);
+       newip->payload_len = htons(newskb->len);
 
 #if 0
        /*
@@ -173,6 +174,7 @@ echo_tg4(struct sk_buff *oldskb, const struct xt_action_param *par)
        payload  = skb_header_pointer(oldskb, par->thoff +
                   sizeof(*oldudp), data_len, NULL);
        memcpy(skb_put(newskb, data_len), payload, data_len);
+       newip->tot_len = htons(newskb->len);
 
 #if 0
        /*