From patchwork Sat Oct 31 18:14:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pablo Neira Ayuso X-Patchwork-Id: 315909 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BFB3C55178 for ; Sat, 31 Oct 2020 18:14:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF2BA206DD for ; Sat, 31 Oct 2020 18:14:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728048AbgJaSOs (ORCPT ); Sat, 31 Oct 2020 14:14:48 -0400 Received: from correo.us.es ([193.147.175.20]:48012 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728094AbgJaSOr (ORCPT ); Sat, 31 Oct 2020 14:14:47 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 5BD6C7B560 for ; Sat, 31 Oct 2020 19:14:45 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 5004BDA78B for ; Sat, 31 Oct 2020 19:14:45 +0100 (CET) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 4531ADA789; Sat, 31 Oct 2020 19:14:45 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 258A1DA730; Sat, 31 Oct 2020 19:14:43 +0100 (CET) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Sat, 31 Oct 2020 19:14:43 +0100 (CET) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from localhost.localdomain (unknown [90.77.255.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPSA id 0055042EF42B; Sat, 31 Oct 2020 19:14:42 +0100 (CET) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org Subject: [PATCH net 1/5] netfilter: nftables: fix netlink report logic in flowtable and genid Date: Sat, 31 Oct 2020 19:14:33 +0100 Message-Id: <20201031181437.12472-2-pablo@netfilter.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201031181437.12472-1-pablo@netfilter.org> References: <20201031181437.12472-1-pablo@netfilter.org> MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The netlink report should be sent regardless the available listeners. Fixes: 84d7fce69388 ("netfilter: nf_tables: export rule-set generation ID") Fixes: 3b49e2e94e6e ("netfilter: nf_tables: add flow table netlink frontend") Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_api.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 65cb8e3c13d9..9b70e136fb5d 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -7137,7 +7137,7 @@ static void nf_tables_flowtable_notify(struct nft_ctx *ctx, GFP_KERNEL); kfree(buf); - if (ctx->report && + if (!ctx->report && !nfnetlink_has_listeners(ctx->net, NFNLGRP_NFTABLES)) return; @@ -7259,7 +7259,7 @@ static void nf_tables_gen_notify(struct net *net, struct sk_buff *skb, audit_log_nfcfg("?:0;?:0", 0, net->nft.base_seq, AUDIT_NFT_OP_GEN_REGISTER, GFP_KERNEL); - if (nlmsg_report(nlh) && + if (!nlmsg_report(nlh) && !nfnetlink_has_listeners(net, NFNLGRP_NFTABLES)) return;