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GET /api/1.1/patches/2223659/?format=api
{ "id": 2223659, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2223659/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260415223309.95527-2-pablo@netfilter.org/", "project": { "id": 26, "url": "http://patchwork.ozlabs.org/api/1.1/projects/26/?format=api", "name": "Netfilter Development", "link_name": "netfilter-devel", "list_id": "netfilter-devel.vger.kernel.org", "list_email": "netfilter-devel@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260415223309.95527-2-pablo@netfilter.org>", "date": "2026-04-15T22:33:08", "name": "[nf,v3,2/3] netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "6e9e6b82bf3b8bb393bc45041bb87c8e62f2ac94", "submitter": { "id": 1315, "url": "http://patchwork.ozlabs.org/api/1.1/people/1315/?format=api", "name": "Pablo Neira Ayuso", "email": "pablo@netfilter.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260415223309.95527-2-pablo@netfilter.org/mbox/", "series": [ { "id": 500049, "url": "http://patchwork.ozlabs.org/api/1.1/series/500049/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=500049", "date": "2026-04-15T22:33:07", "name": "[nf,v3,1/3] rculist: add list_splice_rcu() for private lists", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/500049/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2223659/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2223659/checks/", "tags": {}, "headers": { "Return-Path": "\n <netfilter-devel+bounces-11944-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "netfilter-devel@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=netfilter.org header.i=@netfilter.org\n header.a=rsa-sha256 header.s=2025 header.b=VLDd/6TO;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=netfilter-devel+bounces-11944-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org\n header.b=\"VLDd/6TO\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=217.70.190.124", "smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=netfilter.org", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=netfilter.org" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fwwyS5Gs7z1yHP\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 16 Apr 2026 08:37:52 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 074C8302C6EB\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 15 Apr 2026 22:33:20 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 5073138AC8B;\n\tWed, 15 Apr 2026 22:33:18 +0000 (UTC)", "from mail.netfilter.org (mail.netfilter.org [217.70.190.124])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 77B97372ECE\n\tfor <netfilter-devel@vger.kernel.org>; Wed, 15 Apr 2026 22:33:16 +0000 (UTC)", "from localhost.localdomain (mail-agni [217.70.190.124])\n\tby mail.netfilter.org (Postfix) with ESMTPSA id B00AD60179;\n\tThu, 16 Apr 2026 00:33:14 +0200 (CEST)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776292397; cv=none;\n b=P84Dt1RRD89ANj3PGA9zIh1AHRjXy0UqYlC2ftQOwZU929DCQcoOAyfap//wZo0xnXTQhOdRK/teCY2bLHnzTFRQH1HJZJLo739E8r6RmHhFN3cD8TZsibb6vzacxNgmrfDUQNrg0qbh60gZnecrH9i14FDMRBVMxTUngS9TtPU=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776292397; c=relaxed/simple;\n\tbh=4tYmOZhIgjTd9rN6SlXR9AVLmm3LKvFe3eX0ghhnYe8=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=dXVBVoXJD3Py6AuWvONCOGVr3bSrtV9pAmEVOWMJaRp+cYrNJEQqHlTSkOIXsvH7IY4ZRvuhsahk8EYI8pMjN9tJagC/zdMm6/fELTcUEGqyfch1gItHlKF0ed9+9ZyUIESFRaypKnWbB9GiNAKnd08PNZFCu0+iJRgPCRsOx8g=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=netfilter.org;\n spf=pass smtp.mailfrom=netfilter.org;\n dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org\n header.b=VLDd/6TO; arc=none smtp.client-ip=217.70.190.124", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org;\n\ts=2025; t=1776292394;\n\tbh=GcCDADzyjXe/bJ3WxhEINXwtv3mlz/ElV6qeiv9x8m4=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=VLDd/6TOq+6QqhF0mU3Iw6cdloXbJMDM09CUpTzW37ldgo+VDOzcqcagZ8xEQgLkf\n\t NQarOrs+uFNkwjS1i5KEjBI/quirQTYwchFPOOXs85lTVQtZA//xvplUzw4s+AJqNP\n\t dxJhmpvnJ/tAHZcOkP34vH6OoWasKvUpsL/wwvoE8WCQyI1GPjITL8tD/DDXOakGpP\n\t ydhaS5PLE7gir9O6zVpeFyfdjIwi42g7vYCt0xo17HrRHvubRYS5mRzv9aMrD80CmN\n\t k96QyasIQJw50+TABvGpQS7M6rU6Ze2jBrZeckti0jqEBRkUXyYeq8Si/1V6K8uXda\n\t PAZ7L3W5BUhtQ==", "From": "Pablo Neira Ayuso <pablo@netfilter.org>", "To": "netfilter-devel@vger.kernel.org", "Cc": "fw@strlen.de", "Subject": "[PATCH nf,v3 2/3] netfilter: nf_tables: join hook list via\n splice_list_rcu() in commit phase", "Date": "Thu, 16 Apr 2026 00:33:08 +0200", "Message-ID": "<20260415223309.95527-2-pablo@netfilter.org>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260415223309.95527-1-pablo@netfilter.org>", "References": "<20260415223309.95527-1-pablo@netfilter.org>", "Precedence": "bulk", "X-Mailing-List": "netfilter-devel@vger.kernel.org", "List-Id": "<netfilter-devel.vger.kernel.org>", "List-Subscribe": "<mailto:netfilter-devel+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:netfilter-devel+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit" }, "content": "Publish new hooks in the list into the basechain/flowtable using\nsplice_list_rcu() to ensure netlink dump list traversal via rcu is safe\nwhile concurrent ruleset update is going on.\n\nFixes: 78d9f48f7f44 (\"netfilter: nf_tables: add devices to existing flowtable\")\nFixes: b9703ed44ffb (\"netfilter: nf_tables: support for adding new devices to an existing netdev chain\")\nSigned-off-by: Pablo Neira Ayuso <pablo@netfilter.org>\n---\nv3: no changes\n\n net/netfilter/nf_tables_api.c | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)", "diff": "diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c\nindex 090d4d688a33..8c0706d6d887 100644\n--- a/net/netfilter/nf_tables_api.c\n+++ b/net/netfilter/nf_tables_api.c\n@@ -10904,8 +10904,8 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)\n \t\t\t\tnft_chain_commit_update(nft_trans_container_chain(trans));\n \t\t\t\tnf_tables_chain_notify(&ctx, NFT_MSG_NEWCHAIN,\n \t\t\t\t\t\t &nft_trans_chain_hooks(trans));\n-\t\t\t\tlist_splice(&nft_trans_chain_hooks(trans),\n-\t\t\t\t\t &nft_trans_basechain(trans)->hook_list);\n+\t\t\t\tlist_splice_rcu(&nft_trans_chain_hooks(trans),\n+\t\t\t\t\t\t&nft_trans_basechain(trans)->hook_list);\n \t\t\t\t/* trans destroyed after rcu grace period */\n \t\t\t} else {\n \t\t\t\tnft_chain_commit_drop_policy(nft_trans_container_chain(trans));\n@@ -11034,8 +11034,8 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)\n \t\t\t\t\t\t\t nft_trans_flowtable(trans),\n \t\t\t\t\t\t\t &nft_trans_flowtable_hooks(trans),\n \t\t\t\t\t\t\t NFT_MSG_NEWFLOWTABLE);\n-\t\t\t\tlist_splice(&nft_trans_flowtable_hooks(trans),\n-\t\t\t\t\t &nft_trans_flowtable(trans)->hook_list);\n+\t\t\t\tlist_splice_rcu(&nft_trans_flowtable_hooks(trans),\n+\t\t\t\t\t\t&nft_trans_flowtable(trans)->hook_list);\n \t\t\t} else {\n \t\t\t\tnft_clear(net, nft_trans_flowtable(trans));\n \t\t\t\tnf_tables_flowtable_notify(&ctx,\n", "prefixes": [ "nf", "v3", "2/3" ] }