From 7c4610ac3b41cc53c5da76319be94e8a26be0298 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 5 Jul 2023 18:54:22 +0200 Subject: [PATCH] netfilter: nf_tables: unbind non-anonymous set if rule construction fails [ 3e70489721b6c870252c9082c496703677240f53 ] Otherwise a dangling reference to a rule object that is gone remains in the set binding list. Fixes: 26b5a5712eb8 ("netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- net/netfilter/nf_tables_api.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index e92c52f42159..f503e3dc33e1 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3987,6 +3987,8 @@ void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set, nft_set_trans_unbind(ctx, set); if (nft_set_is_anonymous(set)) nft_deactivate_next(ctx->net, set); + else + list_del_rcu(&binding->list); set->use--; break;