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GET /api/patches/2224984/?format=api
{ "id": 2224984, "url": "http://patchwork.ozlabs.org/api/patches/2224984/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260420061924.69302-3-pablo@netfilter.org/", "project": { "id": 26, "url": "http://patchwork.ozlabs.org/api/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, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260420061924.69302-3-pablo@netfilter.org>", "list_archive_url": null, "date": "2026-04-20T06:19:23", "name": "[nf,v7,3/4] 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/people/1315/?format=api", "name": "Pablo Neira Ayuso", "email": "pablo@netfilter.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260420061924.69302-3-pablo@netfilter.org/mbox/", "series": [ { "id": 500557, "url": "http://patchwork.ozlabs.org/api/series/500557/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=500557", "date": "2026-04-20T06:19:23", "name": "[nf,v7,1/4] netfilter: nf_tables: use list_del_rcu for netlink hooks", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/500557/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224984/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224984/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <netfilter-devel+bounces-12035-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=p+LKtXLl;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=netfilter-devel+bounces-12035-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=\"p+LKtXLl\"", "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 tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::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 4fzb1g6nYyz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 20 Apr 2026 16:19:51 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id F08D13015A5C\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 20 Apr 2026 06:19:37 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id DEA63382372;\n\tMon, 20 Apr 2026 06:19:35 +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 E40A52C027A\n\tfor <netfilter-devel@vger.kernel.org>; Mon, 20 Apr 2026 06:19:33 +0000 (UTC)", "from localhost.localdomain (mail-agni [217.70.190.124])\n\tby mail.netfilter.org (Postfix) with ESMTPSA id 1E767602B2\n\tfor <netfilter-devel@vger.kernel.org>; Mon, 20 Apr 2026 08:19:32 +0200 (CEST)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776665975; cv=none;\n b=Nh5NLRQPavNsX8FyV+YOhKIGmuy6Hc7CoeqHXff6tsHnT3g1CqNtzxTfTZawIDcAeuPEinVs4pelOX7ENulrUs9M0JgcDfPbF8CeI7NcARMdoZZQRbL6lXPenyCydtQUmS9I/vCWdySpSjC9VdiSlKwmgsV+32YplGxtuLCsDho=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776665975; c=relaxed/simple;\n\tbh=/ISfDvQ6Ziwxxnw2RwrHn4iWRttkkq+owJBmFm8DZAw=;\n\th=From:To:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=cmIhWzLna6K9P+/BC6B3TKNUHTY4SPp+llkTEgNVtyINFf2PGwDXbXz6H80p9Y+9A0QfTM21nHqwV8iNoflmqboaxBLlsQTITqSmg9fu0P83geneoAXUapvcXp0ifyP5Z4dfjFnZEca+fL8HJaiU120az3s95LkZ4UrP/6NULVg=", "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=p+LKtXLl; 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=1776665972;\n\tbh=aJXCJapzwqFT+lx7dDN5kZ7VyZWMoGu7cjrH+fjFC18=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=p+LKtXLlg9rm+V6sQwEQfYHyV5Ff1cRPXxMsfyG2E2gXFcFVmGumcXgOURY36RyjY\n\t m4s93SCnsjYjzJHeXuFEg5HFLIw0SdBSR/iF2wT50qDTRf6eD6ZNWnexz5dgC80a2g\n\t HA8dc01bBBpieY3Hg4YzC4i1QunmW6j+aFZkPCBxcIYJVTtywKm2XolIQQcO38Fsop\n\t X5x7PbcpvEDloAx8rzqVozcj4XD+WzI2hkqptxIecrg9EJXnWhEY1QJGelkiYWrTw2\n\t W7Q+rJ6Ke34ZL74ZtPmUj0f2M4nydo+ih4nB2346FmmJaBaiakQAdPvlp4cIpUUVoT\n\t LszOQJWG6sZPg==", "From": "Pablo Neira Ayuso <pablo@netfilter.org>", "To": "netfilter-devel@vger.kernel.org", "Subject": "[PATCH nf,v7 3/4] netfilter: nf_tables: join hook list via\n splice_list_rcu() in commit phase", "Date": "Mon, 20 Apr 2026 08:19:23 +0200", "Message-ID": "<20260420061924.69302-3-pablo@netfilter.org>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260420061924.69302-1-pablo@netfilter.org>", "References": "<20260420061924.69302-1-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---\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 07e151245765..ae10116af923 100644\n--- a/net/netfilter/nf_tables_api.c\n+++ b/net/netfilter/nf_tables_api.c\n@@ -10838,8 +10838,8 @@ 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@@ -10968,8 +10968,8 @@ 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", "v7", "3/4" ] }