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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32058C4332F for ; Tue, 29 Nov 2022 08:51:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231356AbiK2Iv0 (ORCPT ); Tue, 29 Nov 2022 03:51:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231494AbiK2IvE (ORCPT ); Tue, 29 Nov 2022 03:51:04 -0500 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [80.237.130.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 815944199C for ; Tue, 29 Nov 2022 00:50:51 -0800 (PST) Received: from [2a02:8108:963f:de38:eca4:7d19:f9a2:22c5]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1ozwKH-00050O-DE; Tue, 29 Nov 2022 09:50:49 +0100 Message-ID: <2ccf11e9-6cd9-a5d7-7c97-eab6fee9e1ef@leemhuis.info> Date: Tue, 29 Nov 2022 09:50:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.1 Subject: Re: RTM_DELROUTE not sent anymore when deleting (last) nexthop of routes in 6.1 #forregzbot Content-Language: en-US, de-DE From: Thorsten Leemhuis To: Network Development Cc: "regressions@lists.linux.dev" References: <7206722a-f97e-5222-bea6-e327b22e4b5b@leemhuis.info> <06fcec0d-c8aa-d181-441b-695afe6a4e18@leemhuis.info> In-Reply-To: <06fcec0d-c8aa-d181-441b-695afe6a4e18@leemhuis.info> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1669711851;8694b218; X-HE-SMSGID: 1ozwKH-00050O-DE Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 27.11.22 13:08, Thorsten Leemhuis wrote: > On 25.11.22 09:36, Thorsten Leemhuis wrote: >> On 24.11.22 10:20, Jonas Gorski wrote: >>> when an IPv4 route gets removed because its nexthop was deleted, the >>> kernel does not send a RTM_DELROUTE netlink notifications anymore in >>> 6.1. A bisect lead me to 61b91eb33a69 ("ipv4: Handle attempt to delete >>> multipath route when fib_info contains an nh reference"), and >>> reverting it makes it work again. >> >> Thanks for the report. To be sure below issue doesn't fall through the >> cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression >> tracking bot: >> >> #regzbot ^introduced 61b91eb33a69 >> #regzbot title net: RTM_DELROUTE not sent anymore when deleting (last) >> nexthop of routes >> #regzbot ignore-activity > > #regzbot monitor: > https://lore.kernel.org/all/20221124210932.2470010-1-idosch@nvidia.com/ #regzbot fixed-by: d5082d386eee