diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h index a1d83cc8bf859d356b9d4b437c4d03590fa25453..923cb20051edfbb93a3fb84c8c78b7dae0993c82 100644 --- a/include/net/netns/conntrack.h +++ b/include/net/netns/conntrack.h @@ -71,6 +71,7 @@ struct netns_ct { struct hlist_head *expect_hash; struct hlist_nulls_head unconfirmed; struct hlist_nulls_head dying; + struct hlist_nulls_head tmpl; struct ip_conntrack_stat __percpu *stat; struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb; struct nf_exp_event_notifier __rcu *nf_expect_event_cb; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 08cdc71d8e8714b75782379929fa6b050dafa7f4..016d95ead930cba8e6d2e9335cd2b64f473c09d1 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1526,6 +1526,7 @@ static int nf_conntrack_init_init_net(void) */ #define UNCONFIRMED_NULLS_VAL ((1<<30)+0) #define DYING_NULLS_VAL ((1<<30)+1) +#define TEMPLATE_NULLS_VAL ((1<<30)+2) static int nf_conntrack_init_net(struct net *net) { @@ -1534,6 +1535,7 @@ static int nf_conntrack_init_net(struct net *net) atomic_set(&net->ct.count, 0); INIT_HLIST_NULLS_HEAD(&net->ct.unconfirmed, UNCONFIRMED_NULLS_VAL); INIT_HLIST_NULLS_HEAD(&net->ct.dying, DYING_NULLS_VAL); + INIT_HLIST_NULLS_HEAD(&net->ct.tmpl, TEMPLATE_NULLS_VAL); net->ct.stat = alloc_percpu(struct ip_conntrack_stat); if (!net->ct.stat) { ret = -ENOMEM; diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index ae7f5daeee4362bff5aee9a30a85347de70a2ccc..1668f41acc6eedeef39cb4432ef042e30938f9ad 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -149,6 +149,10 @@ static int xt_ct_tg_check_v0(const struct xt_tgchk_param *par) __set_bit(IPS_TEMPLATE_BIT, &ct->status); __set_bit(IPS_CONFIRMED_BIT, &ct->status); + + /* Overload tuple linked list to put us in template list. */ + hlist_nulls_add_head_rcu(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode, + &par->net->ct.tmpl); out: info->ct = ct; return 0; @@ -289,6 +293,10 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par) __set_bit(IPS_TEMPLATE_BIT, &ct->status); __set_bit(IPS_CONFIRMED_BIT, &ct->status); + + /* Overload tuple linked list to put us in template list. */ + hlist_nulls_add_head_rcu(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode, + &par->net->ct.tmpl); out: info->ct = ct; return 0;