From: Pablo Neira Ayuso pablo@netfilter.org
commit 3e70489721b6c870252c9082c496703677240f53 upstream.
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 pablo@netfilter.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/netfilter/nf_tables_api.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5042,6 +5042,8 @@ void nf_tables_deactivate_set(const stru 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;