{"id":2215846,"url":"http://patchwork.ozlabs.org/api/patches/2215846/?format=json","web_url":"http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260325131108.23045-7-fw@strlen.de/","project":{"id":26,"url":"http://patchwork.ozlabs.org/api/projects/26/?format=json","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":"<20260325131108.23045-7-fw@strlen.de>","list_archive_url":null,"date":"2026-03-25T13:11:00","name":"[net,06/14] netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check()","commit_ref":null,"pull_url":null,"state":"handled-elsewhere","archived":true,"hash":"916548856f9ac05ec6cc6d5aa38fda01bec88b80","submitter":{"id":1025,"url":"http://patchwork.ozlabs.org/api/people/1025/?format=json","name":"Florian Westphal","email":"fw@strlen.de"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260325131108.23045-7-fw@strlen.de/mbox/","series":[{"id":497441,"url":"http://patchwork.ozlabs.org/api/series/497441/?format=json","web_url":"http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=497441","date":"2026-03-25T13:10:55","name":"[net,01/14] netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry","version":1,"mbox":"http://patchwork.ozlabs.org/series/497441/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215846/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215846/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","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=2600:3c09:e001:a7::12fc:5321; helo=sto.lore.kernel.org;\n envelope-from=netfilter-devel+bounces-11400-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 sto.lore.kernel.org (sto.lore.kernel.org\n [IPv6:2600:3c09:e001:a7::12fc:5321])\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 4fgnfF4LBDz1xy1\n\tfor ; Thu, 26 Mar 2026 00:23:17 +1100 (AEDT)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sto.lore.kernel.org (Postfix) with ESMTP id B05483113B91\n\tfor ; Wed, 25 Mar 2026 13:13:11 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id E0E833DBD4D;\n\tWed, 25 Mar 2026 13:12:04 +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 579AE3DBD51;\n\tWed, 25 Mar 2026 13:12:01 +0000 (UTC)","by Chamillionaire.breakpoint.cc (Postfix, from userid 1003)\n\tid 800666080C; Wed, 25 Mar 2026 14:11:59 +0100 (CET)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774444324; cv=none;\n b=gU0qbj4KB9TFWrZnA8ew6e3Mjubq2fTLapHOjDbxpu7c5TsCwiDZBMqwHQVlWH8qAkrMuKB+v2DkFsUPj2HiOs8JfKmx1IHbx0PuUgBtqqG1xWwQDWfcHLO67NLj29Dx4BS0XzGcbM5CWz8ylfhiBnEswF7Tln49MnXeTg4/u1o=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774444324; c=relaxed/simple;\n\tbh=Cr48LxgtW+Jy6o7jzYK8pm5a8v9hPC+GlXf++h1C9RA=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=Wjf9n+shnDjqHAnvDnCcBbRNta3ENqr61FfpeEhLojjkK4NZfZLOiufvfWrp0ytWfejVKXsYszHqXn9MAsGQ7tmxo7qbwEbPZm2fnkFCv6VRVAmdQrFfxfYeLQGMjdA5XDG9nN6aN1JjtYp5/OlBDZS72/BzRV2L6Y4OAbB4skE=","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 ","To":"","Cc":"Paolo Abeni ,\n\t\"David S. Miller\" ,\n\tEric Dumazet ,\n\tJakub Kicinski ,\n\t,\n\tpablo@netfilter.org","Subject":"[PATCH net 06/14] netfilter: ip6t_rt: reject oversized addrnr in\n rt_mt6_check()","Date":"Wed, 25 Mar 2026 14:11:00 +0100","Message-ID":"<20260325131108.23045-7-fw@strlen.de>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260325131108.23045-1-fw@strlen.de>","References":"<20260325131108.23045-1-fw@strlen.de>","Precedence":"bulk","X-Mailing-List":"netfilter-devel@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"From: Ren Wei \n\nReject rt match rules whose addrnr exceeds IP6T_RT_HOPS.\n\nrt_mt6() expects addrnr to stay within the bounds of rtinfo->addrs[].\nValidate addrnr during rule installation so malformed rules are rejected\nbefore the match logic can use an out-of-range value.\n\nFixes: 1da177e4c3f4 (\"Linux-2.6.12-rc2\")\nReported-by: Yifan Wu \nReported-by: Juefei Pu \nCo-developed-by: Yuan Tan \nSigned-off-by: Yuan Tan \nSuggested-by: Xin Liu \nTested-by: Yuhang Zheng \nSigned-off-by: Ren Wei \nSigned-off-by: Florian Westphal \n---\n net/ipv6/netfilter/ip6t_rt.c | 4 ++++\n 1 file changed, 4 insertions(+)","diff":"diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c\nindex 4ad8b2032f1f..5561bd9cea81 100644\n--- a/net/ipv6/netfilter/ip6t_rt.c\n+++ b/net/ipv6/netfilter/ip6t_rt.c\n@@ -157,6 +157,10 @@ static int rt_mt6_check(const struct xt_mtchk_param *par)\n \t\tpr_debug(\"unknown flags %X\\n\", rtinfo->invflags);\n \t\treturn -EINVAL;\n \t}\n+\tif (rtinfo->addrnr > IP6T_RT_HOPS) {\n+\t\tpr_debug(\"too many addresses specified\\n\");\n+\t\treturn -EINVAL;\n+\t}\n \tif ((rtinfo->flags & (IP6T_RT_RES | IP6T_RT_FST_MASK)) &&\n \t (!(rtinfo->flags & IP6T_RT_TYP) ||\n \t (rtinfo->rt_type != 0) ||\n","prefixes":["net","06/14"]}