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{ "id": 2231489, "url": "http://patchwork.ozlabs.org/api/covers/2231489/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/cover/20260430182543.3931718-1-rc@rexion.ai/", "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": "<20260430182543.3931718-1-rc@rexion.ai>", "list_archive_url": null, "date": "2026-04-30T18:25:40", "name": "[net-next,v2,0/3] netfilter: conntrack: add shared port parser and use it in IRC and Amanda helpers", "submitter": { "id": 93293, "url": "http://patchwork.ozlabs.org/api/people/93293/?format=api", "name": "HACKE-RC", "email": "rc@rexion.ai" }, "mbox": "http://patchwork.ozlabs.org/project/netfilter-devel/cover/20260430182543.3931718-1-rc@rexion.ai/mbox/", "series": [ { "id": 502357, "url": "http://patchwork.ozlabs.org/api/series/502357/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=502357", "date": "2026-04-30T18:25:41", "name": "netfilter: conntrack: add shared port parser and use it in IRC and Amanda helpers", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/502357/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2231489/comments/", "headers": { "Return-Path": "\n <netfilter-devel+bounces-12350-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=fail reason=\"key not found in DNS\" header.d=rexion.ai\n header.i=@rexion.ai header.a=rsa-sha256 header.s=spacemail header.b=BH4EeMzB;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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Thu, 30 Apr 2026 18:35:04 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 7FE0247D924;\n\tThu, 30 Apr 2026 18:35:02 +0000 (UTC)", "from out-12.smtp.spacemail.com (out-12.smtp.spacemail.com\n [198.54.127.83])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id D3E7C47CC70;\n\tThu, 30 Apr 2026 18:35:00 +0000 (UTC)", "from Kyren (unknown [49.207.224.37])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby mail.spacemail.com (Postfix) with ESMTPSA id 4g62fl0M0Yz8sd3;\n\tThu, 30 Apr 2026 18:25:50 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1777574102; cv=none;\n b=T8z7XtMRoCrUDX3qzVBBw/p5Qwo1vHdehuZLo/x+R+UEo7qGkYZVcrhZRtCaYU7dwyksYnDVjhqNilBYlKCW8SblcWgp17SWK1OMJXLg51qLlUnMZ73yo2Z86+cLSGqcAsjjeWBrgQGbhxPeH6+X8839fFCZQOnfYquvsGUx0rI=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777574102; c=relaxed/simple;\n\tbh=swLMH6pLURjgirL9xBadXFGC5E5pIa70YvFJGr2fQdE=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version;\n b=fJNr5icc4Hxd/899Zk2yOL9+kdWeLlcKwhKVaIglIZdkmn43ttNgxyogTxJ4E2Ve+df7I95DInrk/jf81zWEBUI5gXLungfc35c0tx8RMg+FwzkDBctN6t9qvGBTk4paKLeRT3zOfWAYkHfwSilMsKnOrEmiaSYuRCYqHi4spQU=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=rexion.ai;\n spf=pass smtp.mailfrom=rexion.ai;\n dkim=fail (0-bit key) header.d=rexion.ai header.i=@rexion.ai\n header.b=BH4EeMzB reason=\"key not found in DNS\";\n arc=none smtp.client-ip=198.54.127.83", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=rexion.ai;\n\ts=spacemail; t=1777573555;\n\tbh=Ug20lDJ3azlJTOlx8qs0QKzdbTa2xWSAosLLSGBJEeE=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=BH4EeMzB/5ZNqzC1qSp7bN29dC9UjlzTzUktuGZ5YX+SPqZb+05KYx7B9+7ZXG8t/\n\t fwIDjrrBr7gbOoK86eQoWMPgulpuTMEWNP5DPtupauGaVspIfZew6GyICcu6GjEZDA\n\t 33PPBQDDf5haylTQ5lufQLraXvIEuY/Z/097LE0qj1dpRyodPNrJWZEuxmKjceLJVB\n\t Y30g3BBoAXGIRVQetzv3KHrIGcN65GfZfPdi8FAft7ecMKsMEu0DRqyaQrOHnGxqGd\n\t M7apYFFxJWS2oNHIGZM9+7TLB12Gw0TEJBhsjUBfxL5IRRktNud4pA+sWEXukeBlH9\n\t o73byxgxaNo7Q==", "From": "HACKE-RC <rc@rexion.ai>", "To": "Pablo Neira Ayuso <pablo@netfilter.org>,\n\tFlorian Westphal <fw@strlen.de>", "Cc": "Phil Sutter <phil@nwl.cc>,\n\t\"David S . Miller\" <davem@davemloft.net>,\n\tEric Dumazet <edumazet@google.com>,\n\tJakub Kicinski <kuba@kernel.org>,\n\tPaolo Abeni <pabeni@redhat.com>,\n\tSimon Horman <horms@kernel.org>,\n\tnetfilter-devel@vger.kernel.org,\n\tcoreteam@netfilter.org,\n\tnetdev@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tHACKE-RC <rc@rexion.ai>", "Subject": "[PATCH net-next v2 0/3] netfilter: conntrack: add shared port parser\n and use it in IRC and Amanda helpers", "Date": "Thu, 30 Apr 2026 23:55:40 +0530", "Message-ID": "<20260430182543.3931718-1-rc@rexion.ai>", "X-Mailer": "git-send-email 2.54.0", "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", "X-Envelope-From": "rc@rexion.ai" }, "content": "Both nf_conntrack_irc and nf_conntrack_amanda parse port numbers\nfrom application-layer protocol data using simple_strtoul(), which\nrelies on nul-terminated strings and returns unsigned long without\nrange checking. Port values above 65535 silently truncate when\nstored in u16.\n\nThis v2 adds a shared nf_ct_helper_parse_port() function to the\nconntrack helper core, modeled after the approach in 8cf6809cddcb\n(\"netfilter: nf_conntrack_sip: don't use simple_strtoul\"), then\nconverts both helpers to use it.\n\nChanges since v1:\n - Added shared nf_ct_helper_parse_port() in the helper core\n instead of open-coding range checks in each helper (Pablo)\n - Parser does not rely on nul-terminated strings\n - Dropped simple_strtoul usage entirely for port parsing\n\nHACKE-RC (3):\n netfilter: conntrack: add shared port parser for helpers\n netfilter: nf_conntrack_irc: use nf_ct_helper_parse_port()\n netfilter: nf_conntrack_amanda: use nf_ct_helper_parse_port()\n\n include/net/netfilter/nf_conntrack_helper.h | 3 +++\n net/netfilter/nf_conntrack_amanda.c | 11 ++++----\n net/netfilter/nf_conntrack_helper.c | 28 +++++++++++++++++++++\n net/netfilter/nf_conntrack_irc.c | 4 ++-\n 4 files changed, 40 insertions(+), 6 deletions(-)" }