From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E42C0C11D00 for ; Fri, 21 Feb 2020 02:55:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B07C9206EF for ; Fri, 21 Feb 2020 02:55:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RkxzzLDr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729547AbgBUCzF (ORCPT ); Thu, 20 Feb 2020 21:55:05 -0500 Received: from mail-qk1-f193.google.com ([209.85.222.193]:34651 "EHLO mail-qk1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729371AbgBUCzE (ORCPT ); Thu, 20 Feb 2020 21:55:04 -0500 Received: by mail-qk1-f193.google.com with SMTP id c20so613500qkm.1 for ; Thu, 20 Feb 2020 18:55:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Hm5cZO5A5LlROhOZwVO/vlhdLha4EGFV0wsm23YI7GQ=; b=RkxzzLDrXtF7VIw+Kh+xc+oL8D5OYxDdIyj3dV2ncoMh9HzbuZtNrHNXUxxkWctyE+ xdrOEnNGNkJ1PmMwzRqTgWa5+t2YENsSa1iOuQCe4eEzmrpjcUnywB+VX7eSzrZ9H4mT 14rTLUBYVkVwiTm6G8SG8Qut0HnuDTNjRKUxiKoBvqMJ1puq7QhXsh9W+uthyhdylCBX eRX2aevxoy+nkXFfBuLIJUnvRpOjaob7WaCPCVNWFA1cUGz8IUxBxGMplkqFGMT6ognA 4ZF4UC8v6EE3keunxNhldKR9BZNP23bBc7ioJQCYZuhaFg6KAT0PEa49RnPregJ4Hb5N gk5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Hm5cZO5A5LlROhOZwVO/vlhdLha4EGFV0wsm23YI7GQ=; b=Hq6oI/VQ03Q5kR7q4/bBjl0r6ufvvK4TVaqjAhK7IniwSVboCi0qo93LTeNIlPb8GT qwLF6/yccAhFG3iZheDrDvJZZqk1oboI8R6H2Wv+23xHMFxoBNzfuLnNOx+EyrZL1Un6 RAMwwVE9gPD39ShEycEp1tziohNSJ33AKkqg5OHC71xy0C6dFufNVrg9V0bC/8sKrIKL CyRDcrGUcz256mIdAz2zccfdqTpFKE1GfyEKig9B/3PGHBxMYzQtzx64oQKMynmsqSLC tS7IGUSl2/OfJu6Ap/mBCXmx8rgI6+1hVPr22H+c61hbC69GzKQKzdYzBM5/2zo10j0a xGlA== X-Gm-Message-State: APjAAAUvpxjgFsl1L9krBjBTDmAHS5bG7rIk5piDaiuUID/3Sw5y48hX GzYh2d/xhBl+dgM3XjDw1Yw= X-Google-Smtp-Source: APXvYqx1l8NaWy8nFJ11DsH0LzR3da8GtaReymp0wnxk07PwQWBIqSEdEsgWQOYP3w3iGXfTKTzBEg== X-Received: by 2002:a05:620a:cec:: with SMTP id c12mr30610213qkj.151.1582253703836; Thu, 20 Feb 2020 18:55:03 -0800 (PST) Received: from ?IPv6:2601:282:803:7700:5475:f560:8951:8d4f? ([2601:282:803:7700:5475:f560:8951:8d4f]) by smtp.googlemail.com with ESMTPSA id m17sm791093qki.128.2020.02.20.18.55.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Feb 2020 18:55:03 -0800 (PST) Subject: Re: [PATCH net] net: netlink: cap max groups which will be considered in netlink_bind() To: David Miller , nikolay@cumulusnetworks.com Cc: netdev@vger.kernel.org, christophe.leroy@c-s.fr, rgb@redhat.com, erhard_f@mailbox.org References: <20200220144213.860206-1-nikolay@cumulusnetworks.com> <20200220.160255.1955114765293599857.davem@davemloft.net> From: David Ahern Message-ID: <30fda8d9-0020-0fa7-d00d-42acdf44f245@gmail.com> Date: Thu, 20 Feb 2020 19:55:01 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <20200220.160255.1955114765293599857.davem@davemloft.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 2/20/20 5:02 PM, David Miller wrote: > >> Dave it is not necessary to queue this fix for stable releases since >> NETLINK_ROUTE is the first to reach more groups after I added the vlan >> notification changes and I don't think we'll ever backport new groups. :) >> Up to you of course. RTNLGRP_NEXTHOP was the first to overflow; RTNLGRP_NEXTHOP = 32. Apparently my comment about overflowing the groups was only in the iproute2 commit (e7cd93e7afe1a0407ccb94b9124bbd56b87b8660)