blob: cd0414be1e08a4d885d798c1c027167b0e0cb863 (
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--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -61,9 +61,9 @@ ip_packet_match(const struct iphdr *ip,
if (ipinfo->flags & IPT_F_NO_DEF_MATCH)
return true;
- if (NF_INVF(ipinfo, IPT_INV_SRCIP,
+ if (NF_INVF(ipinfo, IPT_INV_SRCIP, ipinfo->smsk.s_addr &&
(ip->saddr & ipinfo->smsk.s_addr) != ipinfo->src.s_addr) ||
- NF_INVF(ipinfo, IPT_INV_DSTIP,
+ NF_INVF(ipinfo, IPT_INV_DSTIP, ipinfo->dmsk.s_addr &&
(ip->daddr & ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr))
return false;
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