Re: 2.6.12: connection tracking broken?

Chris Rankin <[email protected]>
Newsgroups gmane.linux.kernel,gmane.comp.security.firewalls.netfilter.devel,gmane.linux.network.bridge.ebtables.devel
Message-ID <[email protected]>
--- Patrick McHardy <[email protected]> wrote:
> I would like to get confirmation from someone affected by this
> bug, after that I think it should go in -stable. Chris, could
> you give it a try?

I trust you're talking about the following patches?

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -188,7 +188,12 @@ static inline int ip_finish_output2(stru
                skb = skb2;
        }

-       nf_reset(skb);
+#ifdef CONFIG_BRIDGE_NETFILTER
+       /* bridge-netfilter defers calling some IP hooks to the bridge layer and
+        * still needs the conntrack reference */
+       if (skb->nf_bridge == NULL)
+#endif
+               nf_reset(skb);

        if (hh) {
                int hh_alen;

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -882,7 +882,7 @@ static unsigned int ip_sabotage_out(unsi
                 * doesn't use the bridge parent of the indev by using
                 * the BRNF_DONT_TAKE_PARENT mask. */
                if (hook == NF_IP_FORWARD && nf_bridge->physindev == NULL) {
-                       nf_bridge->mask &= BRNF_DONT_TAKE_PARENT;
+                       nf_bridge->mask |= BRNF_DONT_TAKE_PARENT;
                        nf_bridge->physindev = (struct net_device *)in;
                }
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)

I have just installed them, and my bridging firewall is working again with 2.6.12.

Thanks,
Chris



		
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