ipv4: fix "conntrack zones" support for defrag user check in ip_expire

Defrag user check in ip_expire was not updated after adding support for
"conntrack zones".

This bug manifests as a RFC violation, since the router will send
the icmp time exceeeded message when using conntrack zones.

Signed-off-by: Vasily Averin <vvs@openvz.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index c10a3ce..ed32313 100644 (file)
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -232,8 +232,9 @@ static void ip_expire(unsigned long arg)
                 * "Fragment Reassembly Timeout" message, per RFC792.
                 */
                if (qp->user == IP_DEFRAG_AF_PACKET ||
-                   (qp->user == IP_DEFRAG_CONNTRACK_IN &&
-                    skb_rtable(head)->rt_type != RTN_LOCAL))
+                   ((qp->user >= IP_DEFRAG_CONNTRACK_IN) &&
+                    (qp->user <= __IP_DEFRAG_CONNTRACK_IN_END) &&
+                    (skb_rtable(head)->rt_type != RTN_LOCAL)))
                        goto out_rcu_unlock;