[PATCH nf 1/2,v2] netfilter: nftables: fix possible double hook unregistration with table owner

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Skip hook unregistration of owner tables from the netns exit path,
nft_rcv_nl_event() unregisters the table hooks before tearing down
the table content.

Fixes: 6001a930ce03 ("netfilter: nftables: introduce table ownership")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
v2: no need for portID to be specified.

 net/netfilter/nf_tables_api.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index b07703e19108..796ce86ef7eb 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -9028,8 +9028,12 @@ static void __nft_release_hooks(struct net *net)
 	struct nft_table *table;
-	list_for_each_entry(table, &net->nft.tables, list)
+	list_for_each_entry(table, &net->nft.tables, list) {
+		if (nft_table_has_owner(table))
+			continue;
 		__nft_release_hook(net, table);
+	}
 static void __nft_release_table(struct net *net, struct nft_table *table)

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