[PATCH 5.10 491/509] netfilter: nf_tables: skip bound chain in netns release path

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From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>

[ Upstream commit 751d460ccff3137212f47d876221534bf0490996 ]

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@xxxxxxxxxxxxx>
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 net/netfilter/nf_tables_api.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index a8d316a58e44c..40ed4dd530c5a 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -9185,6 +9185,9 @@ 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);
-- 
2.39.2






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