IPv4: skip ICMP for bridge contrack users when defrag expires

users in [IP_DEFRAG_CONNTRACK_BRIDGE_IN, __IP_DEFRAG_CONNTRACK_BR_IN]
should not ICMP message also.

Reported-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 83424f1..47fa64e 100644 (file)
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -177,7 +177,9 @@ static bool frag_expire_skip_icmp(u32 user)
 {
        return user == IP_DEFRAG_AF_PACKET ||
               ip_defrag_user_in_between(user, IP_DEFRAG_CONNTRACK_IN,
-                                        __IP_DEFRAG_CONNTRACK_IN_END);
+                                        __IP_DEFRAG_CONNTRACK_IN_END) ||
+              ip_defrag_user_in_between(user, IP_DEFRAG_CONNTRACK_BRIDGE_IN,
+                                        __IP_DEFRAG_CONNTRACK_BRIDGE_IN);
 }
 
 /*