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-rw-r--r--net/ipv4/netfilter/ip_nat_standalone.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index bc59d0d6e89..91d5ea1dbbc 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -102,6 +102,10 @@ ip_nat_fn(unsigned int hooknum,
return NF_ACCEPT;
}
+ /* Don't try to NAT if this packet is not conntracked */
+ if (ct == &ip_conntrack_untracked)
+ return NF_ACCEPT;
+
switch (ctinfo) {
case IP_CT_RELATED:
case IP_CT_RELATED+IP_CT_IS_REPLY: