From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DE588F57 for ; Sun, 16 Jul 2023 20:57:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B24DAC433C8; Sun, 16 Jul 2023 20:57:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689541078; bh=KpNJLcewzjdojO8anYjx4+4cQCwSfQ/qWBl7wNU9IvE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I62hflGEMnHHyYj6qzQjGCKieNiFJyM1b6YCU0g4bQyzCdQD6rsdjv4GuX74ZXqFG hSFJylnhIji8kpDFV2jNCg2zO7wwYSKkHGH6J7EFVaena54VOwoKExcuTtTmSrk0K+ l8enw48d/mmFitPQID70/DgYbAOaeGVjC3kkwenY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pablo Neira Ayuso Subject: [PATCH 6.1 581/591] netfilter: nf_tables: unbind non-anonymous set if rule construction fails Date: Sun, 16 Jul 2023 21:52:00 +0200 Message-ID: <20230716194938.888869023@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230716194923.861634455@linuxfoundation.org> References: <20230716194923.861634455@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Pablo Neira Ayuso 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 Signed-off-by: Greg Kroah-Hartman --- 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 @@ -5139,6 +5139,8 @@ 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;