From: Jan Engelhardt <jengelh@inai.de>
Date: Fri, 20 May 2016 08:48:27 +0000 (+0200)
Subject: xt_ECHO: ensure IP header length is set
X-Git-Tag: v2.11~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6024758b28007ee8bf89eb7c1531080ad7db2386;p=thirdparty%2Fxtables-addons.git

xt_ECHO: ensure IP header length is set
---

diff --git a/extensions/xt_ECHO.c b/extensions/xt_ECHO.c
index 2f1a5eb..fe7497c 100644
--- 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
 	/*