netfilter: nf_tables: skip bound chain in netns release path

Skip bound chain from netns release path, the rule that owns this chain
releases these objects.

Fixes: d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 41e7d21d44297ecaef3ced86e2032a3eb61b416b..40bff6e2ea5ddbcd7feb4b18d974c1bd04f22a8a 100644 (file)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -10802,6 +10802,9 @@ static void __nft_release_table(struct net *net, struct nft_table *table)
        ctx.family = table->family;
        ctx.table = table;
        list_for_each_entry(chain, &table->chains, list) {
+               if (nft_chain_is_bound(chain))
+                       continue;
+
                ctx.chain = chain;
                list_for_each_entry_safe(rule, nr, &chain->rules, list) {
                        list_del(&rule->list);