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GET /api/1.2/patches/2221782/?format=api
{ "id": 2221782, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2221782/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260410112352.23599-7-fw@strlen.de/", "project": { "id": 26, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260410112352.23599-7-fw@strlen.de>", "list_archive_url": null, "date": "2026-04-10T11:23:47", "name": "[net-next,06/11] netfilter: xt_HL: add pr_fmt and checkentry validation", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": true, "hash": "f511badbc6be818d393b0d7070acbf29fb2acb5a", "submitter": { "id": 1025, "url": "http://patchwork.ozlabs.org/api/1.2/people/1025/?format=api", "name": "Florian Westphal", "email": "fw@strlen.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260410112352.23599-7-fw@strlen.de/mbox/", "series": [ { "id": 499444, "url": "http://patchwork.ozlabs.org/api/1.2/series/499444/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=499444", "date": "2026-04-10T11:23:46", "name": "[net-next,01/11] ipvs: show the current conn_tab size to users", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499444/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221782/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221782/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <netfilter-devel+bounces-11802-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 spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=netfilter-devel+bounces-11802-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=91.216.245.30", "smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=strlen.de", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=Chamillionaire.breakpoint.cc" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fsZQc58K0z1yGS\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 10 Apr 2026 21:32:08 +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 4E3233093D95\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 10 Apr 2026 11:24:27 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 88C2F39E17A;\n\tFri, 10 Apr 2026 11:24:25 +0000 (UTC)", "from Chamillionaire.breakpoint.cc (Chamillionaire.breakpoint.cc\n [91.216.245.30])\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 209881448E0;\n\tFri, 10 Apr 2026 11:24:24 +0000 (UTC)", "by Chamillionaire.breakpoint.cc (Postfix, from userid 1003)\n\tid 412D560490; Fri, 10 Apr 2026 13:24:22 +0200 (CEST)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775820265; cv=none;\n b=J53HuGp+r4JUHvnNg5yAduwZsdbGSR0/ugvf96hxKYlDp/C8vcvviLsvyyjxIyz2sydhyD6d5RD3Kc76theTp/nYCrl5CIGijcjdfgR8XtMhirZ5Cc6A2PyVUPC1sKn3JLYH0aD+l8Vd976gA8pmBJ3cGsLI5Fti6YUjIb7njTU=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775820265; c=relaxed/simple;\n\tbh=TBTiNZweeWkez7cak9BlklkN+msCb9QglyhD54CmUCM=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=Eu1JtRi5GKjHSWXGRXz6Nm83mQy+E75FXrAwes9pFC5xP17/VswUlskmrY2/DRuFcUGuOAt4Jv+sFjXR/eZZT7ZP0jx4nqkXiE1W2c7gBmC3Ae/IRKg478oW8Oo8Rl2I0Y4r7lYYYIvJUWYjLL7B+udYbSneglsJOSALvG+vaO4=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=strlen.de;\n spf=pass smtp.mailfrom=Chamillionaire.breakpoint.cc;\n arc=none smtp.client-ip=91.216.245.30", "From": "Florian Westphal <fw@strlen.de>", "To": "<netdev@vger.kernel.org>", "Cc": "Paolo Abeni <pabeni@redhat.com>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\tEric Dumazet <edumazet@google.com>,\n\tJakub Kicinski <kuba@kernel.org>,\n\t<netfilter-devel@vger.kernel.org>,\n\tpablo@netfilter.org", "Subject": "[PATCH net-next 06/11] netfilter: xt_HL: add pr_fmt and checkentry\n validation", "Date": "Fri, 10 Apr 2026 13:23:47 +0200", "Message-ID": "<20260410112352.23599-7-fw@strlen.de>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260410112352.23599-1-fw@strlen.de>", "References": "<20260410112352.23599-1-fw@strlen.de>", "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": "From: Marino Dzalto <marino.dzalto@gmail.com>\n\nAdd pr_fmt to prefix log messages with the module name for\neasier debugging in dmesg.\n\nAdd checkentry functions for IPv4 (ttl_mt_check) and IPv6\n(hl_mt6_check) to validate the match mode at rule registration\ntime, rejecting invalid modes with -EINVAL.\n\nThe evaluation function returns false in case the mode is\nunknown, so this is a cleanup, not a bug fix.\n\nSigned-off-by: Marino Dzalto <marino.dzalto@gmail.com>\nSigned-off-by: Florian Westphal <fw@strlen.de>\n---\n net/netfilter/xt_hl.c | 27 +++++++++++++++++++++++++++\n 1 file changed, 27 insertions(+)", "diff": "diff --git a/net/netfilter/xt_hl.c b/net/netfilter/xt_hl.c\nindex c1a70f8f0441..4a12a757ecbf 100644\n--- a/net/netfilter/xt_hl.c\n+++ b/net/netfilter/xt_hl.c\n@@ -6,6 +6,7 @@\n * Hop Limit matching module\n * (C) 2001-2002 Maciej Soltysiak <solt@dns.toxicfilms.tv>\n */\n+#define pr_fmt(fmt) KBUILD_MODNAME \": \" fmt\n \n #include <linux/ip.h>\n #include <linux/ipv6.h>\n@@ -22,6 +23,18 @@ MODULE_LICENSE(\"GPL\");\n MODULE_ALIAS(\"ipt_ttl\");\n MODULE_ALIAS(\"ip6t_hl\");\n \n+static int ttl_mt_check(const struct xt_mtchk_param *par)\n+{\n+\tconst struct ipt_ttl_info *info = par->matchinfo;\n+\n+\tif (info->mode > IPT_TTL_GT) {\n+\t\tpr_err(\"Unknown TTL match mode: %d\\n\", info->mode);\n+\t\treturn -EINVAL;\n+\t}\n+\n+\treturn 0;\n+}\n+\n static bool ttl_mt(const struct sk_buff *skb, struct xt_action_param *par)\n {\n \tconst struct ipt_ttl_info *info = par->matchinfo;\n@@ -41,6 +54,18 @@ static bool ttl_mt(const struct sk_buff *skb, struct xt_action_param *par)\n \treturn false;\n }\n \n+static int hl_mt6_check(const struct xt_mtchk_param *par)\n+{\n+\tconst struct ip6t_hl_info *info = par->matchinfo;\n+\n+\tif (info->mode > IP6T_HL_GT) {\n+\t\tpr_err(\"Unknown Hop Limit match mode: %d\\n\", info->mode);\n+\t\treturn -EINVAL;\n+\t}\n+\n+\treturn 0;\n+}\n+\n static bool hl_mt6(const struct sk_buff *skb, struct xt_action_param *par)\n {\n \tconst struct ip6t_hl_info *info = par->matchinfo;\n@@ -65,6 +90,7 @@ static struct xt_match hl_mt_reg[] __read_mostly = {\n \t\t.name = \"ttl\",\n \t\t.revision = 0,\n \t\t.family = NFPROTO_IPV4,\n+\t\t.checkentry = ttl_mt_check,\n \t\t.match = ttl_mt,\n \t\t.matchsize = sizeof(struct ipt_ttl_info),\n \t\t.me = THIS_MODULE,\n@@ -73,6 +99,7 @@ static struct xt_match hl_mt_reg[] __read_mostly = {\n \t\t.name = \"hl\",\n \t\t.revision = 0,\n \t\t.family = NFPROTO_IPV6,\n+\t\t.checkentry = hl_mt6_check,\n \t\t.match = hl_mt6,\n \t\t.matchsize = sizeof(struct ip6t_hl_info),\n \t\t.me = THIS_MODULE,\n", "prefixes": [ "net-next", "06/11" ] }