{"id":2231489,"url":"http://patchwork.ozlabs.org/api/covers/2231489/?format=json","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=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":"<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=json","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=json","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 ","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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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 ","To":"Pablo Neira Ayuso ,\n\tFlorian Westphal ","Cc":"Phil Sutter ,\n\t\"David S . Miller\" ,\n\tEric Dumazet ,\n\tJakub Kicinski ,\n\tPaolo Abeni ,\n\tSimon Horman ,\n\tnetfilter-devel@vger.kernel.org,\n\tcoreteam@netfilter.org,\n\tnetdev@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tHACKE-RC ","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":"","List-Subscribe":"","List-Unsubscribe":"","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(-)"}