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netfilter: nf_tables: unbind non-anonymous set if rule construction fails 

[ 3e70489721 ]

Otherwise a dangling reference to a rule object that is gone remains
in the set binding list.

Fixes: 26b5a5712e ("netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pablo Neira Ayuso 2023-07-05 18:55:15 +02:00 committed by Greg Kroah-Hartman
parent cd5600931f
commit f58c56f2ab
1 changed files with 2 additions and 0 deletions
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2
net/netfilter/nf_tables_api.c
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@ -3838,6 +3838,8 @@ 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;