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Subject[patch 2/6] [EBTABLES] Don't match tcp/udp source/destination port for IP fragments
-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Bart De Schuymer <bdschuym@pandora.be>

Signed-off-by: Bart De Schuymer <bdschuym@pandora.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
net/bridge/netfilter/ebt_ip.c | 3 +++
1 file changed, 3 insertions(+)

--- linux-2.6.14.6.orig/net/bridge/netfilter/ebt_ip.c
+++ linux-2.6.14.6/net/bridge/netfilter/ebt_ip.c
@@ -15,6 +15,7 @@
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_ip.h>
#include <linux/ip.h>
+#include <net/ip.h>
#include <linux/in.h>
#include <linux/module.h>

@@ -51,6 +52,8 @@ static int ebt_filter_ip(const struct sk
if (!(info->bitmask & EBT_IP_DPORT) &&
!(info->bitmask & EBT_IP_SPORT))
return EBT_MATCH;
+ if (ntohs(ih->frag_off) & IP_OFFSET)
+ return EBT_NOMATCH;
pptr = skb_header_pointer(skb, ih->ihl*4,
sizeof(_ports), &_ports);
if (pptr == NULL)
--
-
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