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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 2F744C28CC5 for ; Thu, 6 Jun 2019 01:41:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E2A5F2070B for ; Thu, 6 Jun 2019 01:41:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726608AbfFFBlT (ORCPT ); Wed, 5 Jun 2019 21:41:19 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:44018 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726573AbfFFBlS (ORCPT ); Wed, 5 Jun 2019 21:41:18 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id D1BEC144CBBF1; Wed, 5 Jun 2019 18:41:17 -0700 (PDT) Date: Wed, 05 Jun 2019 18:41:12 -0700 (PDT) Message-Id: <20190605.184112.199298828409456934.davem@davemloft.net> To: natechancellor@gmail.com Cc: liuhangbin@gmail.com, netdev@vger.kernel.org, gregkh@linuxfoundation.org, zenczykowski@gmail.com, lorenzo@google.com, dsa@cumulusnetworks.com, thaller@redhat.com, yaro330@gmail.com Subject: Re: [PATCH net] Revert "fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied" From: David Miller In-Reply-To: <20190606012351.GA29571@archlinux-epyc> References: <20190605042714.28532-1-liuhangbin@gmail.com> <20190605.175526.1448552541340120763.davem@davemloft.net> <20190606012351.GA29571@archlinux-epyc> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 05 Jun 2019 18:41:18 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Nathan Chancellor Date: Wed, 5 Jun 2019 18:23:51 -0700 > On Wed, Jun 05, 2019 at 05:55:26PM -0700, David Miller wrote: >> From: Hangbin Liu >> Date: Wed, 5 Jun 2019 12:27:14 +0800 >> >> > This reverts commit e9919a24d3022f72bcadc407e73a6ef17093a849. >> > >> > Nathan reported the new behaviour breaks Android, as Android just add >> > new rules and delete old ones. >> > >> > If we return 0 without adding dup rules, Android will remove the new >> > added rules and causing system to soft-reboot. >> > >> > Reported-by: Nathan Chancellor >> > Fixes: e9919a24d302 ("fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied") >> > Signed-off-by: Hangbin Liu >> >> Applied. > > Please ensure this gets queued up for stable, as that is where I noticed > the issue. It is queued up, thanks for asking. I'll try to get this propagated as soon as possible. Thanks again.