diff options
Diffstat (limited to 'nixos/modules/kernel-patches/0062-netfilter-reduce-match-memory-access.patch')
| -rw-r--r-- | nixos/modules/kernel-patches/0062-netfilter-reduce-match-memory-access.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/nixos/modules/kernel-patches/0062-netfilter-reduce-match-memory-access.patch b/nixos/modules/kernel-patches/0062-netfilter-reduce-match-memory-access.patch new file mode 100644 index 0000000..543dd43 --- /dev/null +++ b/nixos/modules/kernel-patches/0062-netfilter-reduce-match-memory-access.patch @@ -0,0 +1,29 @@ +From 6fda2e62b3a2ab9acf5ac27b3d20745f3def32ae Mon Sep 17 00:00:00 2001 +From: Felix Fietkau <nbd@nbd.name> +Date: Tue, 27 Sep 2022 16:22:05 +0200 +Subject: [PATCH 62/96] netfilter: reduce match memory access + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + net/ipv4/netfilter/ip_tables.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c +index 76c01661c4e4..e58342c5354a 100644 +--- a/net/ipv4/netfilter/ip_tables.c ++++ b/net/ipv4/netfilter/ip_tables.c +@@ -53,9 +53,9 @@ 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; + +-- +2.37.2 + |