From 9384b4d85c46ce839f51af01374062ce6318b2f2 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Sun, 10 Mar 2024 10:02:41 +0100 Subject: netfilter: nft_set_pipapo: release elements in clone only from destroy path [ Upstream commit b0e256f3dd2ba6532f37c5c22e07cb07a36031ee ] Clone already always provides a current view of the lookup table, use it to destroy the set, otherwise it is possible to destroy elements twice. This fix requires: 212ed75dc5fb ("netfilter: nf_tables: integrate pipapo into commit protocol") which came after: 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path"). Fixes: 9827a0e6e23b ("netfilter: nft_set_pipapo: release elements in clone from abort path") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nft_set_pipapo.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'net') diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index aa1d9e93a9a0..b3b282de802d 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -2244,8 +2244,6 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx, if (m) { rcu_barrier(); - nft_set_pipapo_match_destroy(ctx, set, m); - for_each_possible_cpu(cpu) pipapo_free_scratch(m, cpu); free_percpu(m->scratch); @@ -2257,8 +2255,7 @@ static void nft_pipapo_destroy(const struct nft_ctx *ctx, if (priv->clone) { m = priv->clone; - if (priv->dirty) - nft_set_pipapo_match_destroy(ctx, set, m); + nft_set_pipapo_match_destroy(ctx, set, m); for_each_possible_cpu(cpu) pipapo_free_scratch(priv->clone, cpu); -- cgit v1.2.3