diff options
Diffstat (limited to 'target/linux/generic/patches-4.9/612-netfilter_match_reduce_memory_access.patch')
-rw-r--r-- | target/linux/generic/patches-4.9/612-netfilter_match_reduce_memory_access.patch | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/612-netfilter_match_reduce_memory_access.patch b/target/linux/generic/patches-4.9/612-netfilter_match_reduce_memory_access.patch new file mode 100644 index 0000000..cd0414b --- /dev/null +++ b/target/linux/generic/patches-4.9/612-netfilter_match_reduce_memory_access.patch @@ -0,0 +1,14 @@ +--- 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; + |