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GET /api/1.0/patches/2219707/?format=api
{ "id": 2219707, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2219707/?format=api", "project": { "id": 26, "url": "http://patchwork.ozlabs.org/api/1.0/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": "<20260403205907.92749-1-marino.dzalto@gmail.com>", "date": "2026-04-03T20:59:07", "name": "[v3] netfilter: xt_HL: add pr_fmt and checkentry validation", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f511badbc6be818d393b0d7070acbf29fb2acb5a", "submitter": { "id": 93048, "url": "http://patchwork.ozlabs.org/api/1.0/people/93048/?format=api", "name": "Marino Dzalto", "email": "marino.dzalto@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260403205907.92749-1-marino.dzalto@gmail.com/mbox/", "series": [ { "id": 498679, "url": "http://patchwork.ozlabs.org/api/1.0/series/498679/?format=api", "date": "2026-04-03T20:59:07", "name": "[v3] netfilter: xt_HL: add pr_fmt and checkentry validation", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/498679/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219707/checks/", "tags": {}, "headers": { "Return-Path": "\n <netfilter-devel+bounces-11621-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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=dBE4CG55;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.105.105.114; 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Move mode\n validation to checkentry functions instead of match function,\n also as suggested by Florian Westphal.\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": [ "v3" ] }