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From af4dba1b5d3cbd0bc724fca24d3d01d2878406df Mon Sep 17 00:00:00 2001
From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Date: Mon, 11 Dec 2017 18:19:33 +0300
Subject: [PATCH 318/454] netfilter: ip6t_MASQUERADE: add dependency on
conntrack module
commit 23715275e4fb6f64358a499d20928a9e93819f2f upstream.
After commit 4d3a57f23dec ("netfilter: conntrack: do not enable connection
tracking unless needed") conntrack is disabled by default unless some
module explicitly declares dependency in particular network namespace.
Fixes: a357b3f80bc8 ("netfilter: nat: add dependencies on conntrack module")
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/ipv6/netfilter/ip6t_MASQUERADE.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/net/ipv6/netfilter/ip6t_MASQUERADE.c
+++ b/net/ipv6/netfilter/ip6t_MASQUERADE.c
@@ -33,13 +33,19 @@ static int masquerade_tg6_checkentry(con
if (range->flags & NF_NAT_RANGE_MAP_IPS)
return -EINVAL;
- return 0;
+ return nf_ct_netns_get(par->net, par->family);
+}
+
+static void masquerade_tg6_destroy(const struct xt_tgdtor_param *par)
+{
+ nf_ct_netns_put(par->net, par->family);
}
static struct xt_target masquerade_tg6_reg __read_mostly = {
.name = "MASQUERADE",
.family = NFPROTO_IPV6,
.checkentry = masquerade_tg6_checkentry,
+ .destroy = masquerade_tg6_destroy,
.target = masquerade_tg6,
.targetsize = sizeof(struct nf_nat_range),
.table = "nat",
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