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Commit 613d0776 authored by Vasily Averin's avatar Vasily Averin Committed by Pablo Neira Ayuso
Browse files

netfilter: exit_net cleanup check added 



Be sure that lists initialized in net_init hook was return to initial
state.

Signed-off-by: default avatarVasily Averin <vvs@virtuozzo.com>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 07dc8bc9

net/ipv4/netfilter/ipt_CLUSTERIP.c

+1 −0
Original line number Diff line number Diff line
@@ -819,6 +819,7 @@ static void clusterip_net_exit(struct net *net) 
	cn->procdir = NULL;

#endif

	nf_unregister_net_hook(net, &cip_arp_ops);

	WARN_ON_ONCE(!list_empty(&cn->configs));

}



static struct pernet_operations clusterip_net_ops = {

net/netfilter/nf_tables_api.c

+7 −0
Original line number Diff line number Diff line
@@ -5847,6 +5847,12 @@ static int __net_init nf_tables_init_net(struct net *net) 
	return 0;

}



static void __net_exit nf_tables_exit_net(struct net *net)

{

	WARN_ON_ONCE(!list_empty(&net->nft.af_info));

	WARN_ON_ONCE(!list_empty(&net->nft.commit_list));

}



int __nft_release_basechain(struct nft_ctx *ctx)

{

	struct nft_rule *rule, *nr;
@@ -5917,6 +5923,7 @@ static void __nft_release_afinfo(struct net *net, struct nft_af_info *afi) 


static struct pernet_operations nf_tables_net_ops = {

	.init	= nf_tables_init_net,

	.exit	= nf_tables_exit_net,

};



static int __init nf_tables_module_init(void)

net/netfilter/nfnetlink_log.c

+5 −0
Original line number Diff line number Diff line
@@ -1093,10 +1093,15 @@ static int __net_init nfnl_log_net_init(struct net *net) 


static void __net_exit nfnl_log_net_exit(struct net *net)

{

	struct nfnl_log_net *log = nfnl_log_pernet(net);

	unsigned int i;



#ifdef CONFIG_PROC_FS

	remove_proc_entry("nfnetlink_log", net->nf.proc_netfilter);

#endif

	nf_log_unset(net, &nfulnl_logger);

	for (i = 0; i < INSTANCE_BUCKETS; i++)

		WARN_ON_ONCE(!hlist_empty(&log->instance_table[i]));

}



static struct pernet_operations nfnl_log_net_ops = {

net/netfilter/nfnetlink_queue.c

+5 −0
Original line number Diff line number Diff line
@@ -1512,10 +1512,15 @@ static int __net_init nfnl_queue_net_init(struct net *net) 


static void __net_exit nfnl_queue_net_exit(struct net *net)

{

	struct nfnl_queue_net *q = nfnl_queue_pernet(net);

	unsigned int i;



	nf_unregister_queue_handler(net);

#ifdef CONFIG_PROC_FS

	remove_proc_entry("nfnetlink_queue", net->nf.proc_netfilter);

#endif

	for (i = 0; i < INSTANCE_BUCKETS; i++)

		WARN_ON_ONCE(!hlist_empty(&q->instance_table[i]));

}



static void nfnl_queue_net_exit_batch(struct list_head *net_exit_list)

net/netfilter/x_tables.c

+9 −0
Original line number Diff line number Diff line
@@ -1729,8 +1729,17 @@ static int __net_init xt_net_init(struct net *net) 
	return 0;

}



static void __net_exit xt_net_exit(struct net *net)

{

	int i;



	for (i = 0; i < NFPROTO_NUMPROTO; i++)

		WARN_ON_ONCE(!list_empty(&net->xt.tables[i]));

}



static struct pernet_operations xt_net_ops = {

	.init = xt_net_init,

	.exit = xt_net_exit,

};



static int __init xt_init(void)