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 D24C18F74 for ; Sun, 16 Jul 2023 20:02:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ED7FBC433C8; Sun, 16 Jul 2023 20:02:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689537776; bh=5UsgjKgaHO6N8lAVj4nRUuwIwign7Sg7l0/uxAAUumM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Th4smnFd6dixlCgA2mXHqhpFcuqTuq6+aLuDFbkGF0/kjjMhR8HkfEaQCsyat+igB /XH18xRn+2bTTvb8kk/RVjrQLNo1hwl3s2P/sKIOEBFDHo9U96Cl96DLIR/ZXmCM/E DVpuQojWghoVdY64NpWDh3/TItIMzZ00cbGmr6s8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pablo Neira Ayuso , Sasha Levin Subject: [PATCH 6.4 217/800] netfilter: nf_tables: unbind non-anonymous set if rule construction fails Date: Sun, 16 Jul 2023 21:41:10 +0200 Message-ID: <20230716194954.134929961@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230716194949.099592437@linuxfoundation.org> References: <20230716194949.099592437@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 [ Upstream commit 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: Sasha Levin --- 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 4c7937fd803f9..1d64c163076a1 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5343,6 +5343,8 @@ 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; -- 2.39.2