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 55B3169953; Wed, 21 Feb 2024 13:30:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708522246; cv=none; b=GWz/7bHeFFU9BlPfrgVIzeZFSG/LCja/+mTPAp+DPnHK7VvLK29jIXxTWNLCxRsFS9qH/tvll80zmxl3i1vS/tQ8NsUgWKKiSeOxCLN+Eff4TYbQZMDT6SZosvjejRir/nrdrvYAnH5h4O7TuPWMzfmRf0/hRMWghKXlWCBscD4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708522246; c=relaxed/simple; bh=BA5IR95nauOo3IqDhdZ+wHR/wVQusLErrJMcjZg/cEM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EWiCA1G5OKfNtEUapQ/wn40zFLonxtoeVp9ps60Set9+B+rY6A4CDiUkSpiUeRPYgXZge9w+W7vufYDKlWVcfgCx4YE7zg4iOxbz0U+hSE0srlERq/J3ekOHgi4J8UvaLDyvciryK3NNqN98cY1+rxZfgSZqPQ3p575nf7u8t9k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zALaOkIO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zALaOkIO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B97BBC433A6; Wed, 21 Feb 2024 13:30:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708522246; bh=BA5IR95nauOo3IqDhdZ+wHR/wVQusLErrJMcjZg/cEM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zALaOkIOgGyJVvYfUTHLMV0xRtOyKilvCL9sveaB2KMx8BaimjaTASjgRpKUzLLcT Enb1oIBSGcJTrBcxQyE6bRFEgxPTOrOQjZpJVGJkO+79RZnOCE04ITpc0qZe9mi2fK B23UIs2C/xHkZdZsVDZFNvaDaQD2XG/w4M7LM7vo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pablo Neira Ayuso Subject: [PATCH 5.15 086/476] netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain Date: Wed, 21 Feb 2024 14:02:17 +0100 Message-ID: <20240221130011.168071308@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240221130007.738356493@linuxfoundation.org> References: <20240221130007.738356493@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pablo Neira Ayuso commit 01acb2e8666a6529697141a6017edbf206921913 upstream. Remove netdevice from inet/ingress basechain in case NETDEV_UNREGISTER event is reported, otherwise a stale reference to netdevice remains in the hook list. Fixes: 60a3815da702 ("netfilter: add inet ingress support") Cc: stable@vger.kernel.org Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- net/netfilter/nft_chain_filter.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) --- a/net/netfilter/nft_chain_filter.c +++ b/net/netfilter/nft_chain_filter.c @@ -355,9 +355,10 @@ static int nf_tables_netdev_event(struct unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct nft_base_chain *basechain; struct nftables_pernet *nft_net; - struct nft_table *table; struct nft_chain *chain, *nr; + struct nft_table *table; struct nft_ctx ctx = { .net = dev_net(dev), }; @@ -369,7 +370,8 @@ static int nf_tables_netdev_event(struct nft_net = nft_pernet(ctx.net); mutex_lock(&nft_net->commit_mutex); list_for_each_entry(table, &nft_net->tables, list) { - if (table->family != NFPROTO_NETDEV) + if (table->family != NFPROTO_NETDEV && + table->family != NFPROTO_INET) continue; ctx.family = table->family; @@ -378,6 +380,11 @@ static int nf_tables_netdev_event(struct if (!nft_is_base_chain(chain)) continue; + basechain = nft_base_chain(chain); + if (table->family == NFPROTO_INET && + basechain->ops.hooknum != NF_INET_INGRESS) + continue; + ctx.chain = chain; nft_netdev_event(event, dev, &ctx); }