[PATCH AUTOSEL 5.2 57/94] netfilter: conntrack: make sysctls per-namespace again

Sasha Levin
2019-09-04T15:59:09Z

From: Florian Westphal <fw@strlen.de>

[ Upstream commit 478553fd1b6f819390b64a2e13ac756c4d1a2836 ]

When I merged the extension sysctl tables with the main one I forgot to
reset them on netns creation. They currently read/write init_net settings.

Fixes: d912dec12428 ("netfilter: conntrack: merge acct and helper sysctl table with main one")
Fixes: cb2833ed0044 ("netfilter: conntrack: merge ecache and timestamp sysctl tables with main one")
Reported-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/netfilter/nf_conntrack_standalone.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index e0d392cb3075a..0006503d2da97 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -1037,8 +1037,13 @@ static int nf_conntrack_standalone_init_sysctl(struct net *net)
table[NF_SYSCTL_CT_COUNT].data = &net->ct.count;
table[NF_SYSCTL_CT_CHECKSUM].data = &net->ct.sysctl_checksum;
table[NF_SYSCTL_CT_LOG_INVALID].data = &net->ct.sysctl_log_invalid;
+ table[NF_SYSCTL_CT_ACCT].data = &net->ct.sysctl_acct;
+ table[NF_SYSCTL_CT_HELPER].data = &net->ct.sysctl_auto_assign_helper;
#ifdef CONFIG_NF_CONNTRACK_EVENTS
table[NF_SYSCTL_CT_EVENTS].data = &net->ct.sysctl_events;
+#endif
+#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
+ table[NF_SYSCTL_CT_TIMESTAMP].data = &net->ct.sysctl_tstamp;
#endif
table[NF_SYSCTL_CT_PROTO_TIMEOUT_GENERIC].data = &nf_generic_pernet(net)->timeout;
table[NF_SYSCTL_CT_PROTO_TIMEOUT_ICMP].data = &nf_icmp_pernet(net)->timeout;
--
2.20.1