From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
- Register the nftables chains in the network namespace that they need
to run in.
- Remove the hacks that stopped chains running in the wrong network
namespace.
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/netfilter/nf_tables_api.c | 8 ++++++--
net/netfilter/nf_tables_core.c | 5 -----
2 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index cfe6368..4a41eb9 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -130,20 +130,24 @@ static void nft_trans_destroy(struct nft_trans *trans)
int nft_register_basechain(struct nft_base_chain *basechain,
unsigned int hook_nops)
{
+ struct net *net = read_pnet(&basechain->pnet);
+
if (basechain->flags & NFT_BASECHAIN_DISABLED)
return 0;
- return nf_register_hooks(basechain->ops, hook_nops);
+ return nf_register_net_hooks(net, basechain->ops, hook_nops);
}
EXPORT_SYMBOL_GPL(nft_register_basechain);
void nft_unregister_basechain(struct nft_base_chain *basechain,
unsigned int hook_nops)
{
+ struct net *net = read_pnet(&basechain->pnet);
+
if (basechain->flags & NFT_BASECHAIN_DISABLED)
return;
- nf_unregister_hooks(basechain->ops, hook_nops);
+ nf_unregister_net_hooks(net, basechain->ops, hook_nops);
}
EXPORT_SYMBOL_GPL(nft_unregister_basechain);
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index f77bad4..05d0b03 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -114,7 +114,6 @@ unsigned int
nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops)
{
const struct nft_chain *chain = ops->priv, *basechain = chain;
- const struct net *chain_net = read_pnet(&nft_base_chain(basechain)->pnet);
const struct net *net = dev_net(pkt->in ? pkt->in : pkt->out);
const struct nft_rule *rule;
const struct nft_expr *expr, *last;
@@ -125,10 +124,6 @@ nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops)
int rulenum;
unsigned int gencursor = nft_genmask_cur(net);
- /* Ignore chains that are not for the current network namespace */
- if (!net_eq(net, chain_net))
- return NF_ACCEPT;
-
do_chain:
rulenum = 0;
rule = list_entry(&chain->rules, struct nft_rule, list);
--
1.7.10.4
--
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