From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from PH8PR06CU001.outbound.protection.outlook.com (mail-westus3azon11012057.outbound.protection.outlook.com [40.107.209.57]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CC94330B3C for ; Tue, 27 Jan 2026 07:43:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.209.57 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769499788; cv=fail; b=lRYprV5idxUNAJc0KFPm0qzvvqvEAIqW9I8lCck0ceG38kQkZ4+9svacfmS6GanKcNnRcbFwfPNBp+5c65Fe7GFMyRnh0/kaOIuDAHGkTl1Nm7QAWvvnR50o+RBmbZ4GCjEwHr2P/ZPNRpDhSzqzQfRVYeoXR/+DgtMQFPpF9gI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769499788; c=relaxed/simple; bh=Lr5OQQvooVDnhLwh6Bg6NNemnS0LMUK9ERAY7SrC2qk=; h=Date:From:To:Cc:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=hkRBP9IyWuc/2zRBopaG/coegPNV2sXwzSsxM1P6p/gEG7lb8zjZBnneBkqjpLMh0/ncX7hZWzBge21aAnG3TpijpRj5XRohKIkOJSYWsTWsCUvjyUYr0IdS0K3uPtEhlWhmay/q3qoQx8Mhj9oLMfeeXAWmyt47sMXXDyfL1cg= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=iV8TnsdK; arc=fail smtp.client-ip=40.107.209.57 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="iV8TnsdK" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=U4gLgkgwC4iaVdDw3Zt1cp/R2457gp0tl77nktzS/1XQ7hwTCywZ3uga9470vrsKN3avV5NstsywfcBYCGmw3c3WmT7TsYePtjGMXv2bNsxF4pPe4rKpWyNM1ZWxV080TKTEeL6sQswpGD68RtOe4wzR8wpn8blZUXaE1cWUZhLRq9wtMXL9dEl+4GlBL0odVKaS4OmMMstVv21s+RjHoPCm1GvLR9ciaEwKMTAl2FrsQLis9hH5Y1ez/3wzgcUlctnrKfQFaJ9NKMus2Hjp43ivl8UeqgOt6/eIENmPadnlcw/Zq+da4svdsHzMrjdVQcFkOUH6BAQILofmgsC0zA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Lr5OQQvooVDnhLwh6Bg6NNemnS0LMUK9ERAY7SrC2qk=; b=TcmgPC2qon5xhlkKUMhRFXikJtnjz9kbYsjKj5k3ZZrMvRrAuaUDxiLYuyXs1jLhZAqvflXkUCyc4XSWbv6QwtKvzp75XNZ66fGA//81pNNLm4I+AySiJzeiz6/nJTUXk/s7KcuOYJzIz4lr9J5l+CAjZkVPJv7qSpjl9uRT8noOQiAQCKfNk1Ot81suS2AS4u0Hi/C2/+tr3m4Pgh5pkk6O4p4++d/WW/hoLRu7v/DFVNkfJKna+e3PFvwxcHPrYdsELzGu86dqpx6xb6fhzgd3EhJ9TSe6Zlmm9DDLRRtfI/Udr8p5qe3GXaW4HqX0f0JmydJ24jj5n6eCvUE6dw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Lr5OQQvooVDnhLwh6Bg6NNemnS0LMUK9ERAY7SrC2qk=; b=iV8TnsdKZs15uq2jTBY61DLdoGitwJbdYYi7mWHUFFgg+Vgoik6jLImbUljpddRB3+Zg+XbdJbc/vgies4OcMfg/cGpaiGaF8oIi54tFfJ+JcPQ/lCNFQgH+ZMPNidCUrEEIOIGZFSMJZaxuaqWoojHN4bM3mEo55uKWN3dDbRuGQtowJYF3Hauf5VOP7in3Tp/g0H0jFQGQOwixCm8PqfHGjJ0gW5XqXquGFGaABTJ8gp5H54Sov3fVo6x3zZqfaBU8l9T2W285xlOMXiTjA7lZaekSfQBCT084aRTdi/1TRoEhqZAcYu3Hwkl5dlEXn5bzm0Sxpf4jv7VnLDBD7g== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from SA3PR12MB7901.namprd12.prod.outlook.com (2603:10b6:806:306::12) by SA3PR12MB9089.namprd12.prod.outlook.com (2603:10b6:806:39f::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9542.15; Tue, 27 Jan 2026 07:43:03 +0000 Received: from SA3PR12MB7901.namprd12.prod.outlook.com ([fe80::6f7f:5844:f0f7:acc2]) by SA3PR12MB7901.namprd12.prod.outlook.com ([fe80::6f7f:5844:f0f7:acc2%2]) with mapi id 15.20.9542.010; Tue, 27 Jan 2026 07:43:03 +0000 Date: Tue, 27 Jan 2026 09:42:53 +0200 From: Ido Schimmel To: Tetsuo Handa Cc: Jiri Pirko , Breno Leitao , "David S. Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Network Development Subject: Re: [PATCH] team: avoid NETDEV_CHANGEMTU event when unregistering slave Message-ID: <20260127074253.GA244149@shredder> References: <7fe2645c-680d-4fbe-981b-67a041f0d9c9@I-love.SAKURA.ne.jp> <20260125085835.GA54633@shredder> <29ffd5ac-07b1-4424-ad3f-8304a28d2946@I-love.SAKURA.ne.jp> <20260125121551.GA83275@shredder> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: TL2P290CA0028.ISRP290.PROD.OUTLOOK.COM (2603:1096:950:3::10) To SA3PR12MB7901.namprd12.prod.outlook.com (2603:10b6:806:306::12) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA3PR12MB7901:EE_|SA3PR12MB9089:EE_ X-MS-Office365-Filtering-Correlation-Id: 59c1d76d-5b8b-498d-0aee-08de5d77b3bc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|366016|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?lSNkD0Cnn0JHQWubZBB575JWjr1KTIoIrck8kskcB5dXfBFaOyJqkKkjUZf6?= =?us-ascii?Q?FcEU3f8LRMABGhS6nkNXY+JcxK1PxUTWe9E3pT/KSumtf7XLIaZ1bn7CJ0zz?= =?us-ascii?Q?txa0PznYq085QRqkCJ5ux/v0NgldtEjO0xkPGS8xIHwmwJnVLJadE0n3jrZ7?= =?us-ascii?Q?Ljs048bKUI9DWct+EZZv9mvYcyOirGt2rkvV2pUzazQu1TVLv0L2yZDVrxrP?= =?us-ascii?Q?IIkIB8v81LFtfzYrhKcVePG9SKVuORhfh/adEfLd2JZAJTkvEu6E02kedR+Z?= =?us-ascii?Q?DGyZ3NHh4bTK8gd2jr5HD+yUMhTf++eMGbbgejD5d947/uzR4D3EHozQ5cWr?= =?us-ascii?Q?9e2IAtxYp8GdIkQmmLAyPeCtIBfdhE290jmSLddgCCpaXhTmxgU9J3Aul08a?= =?us-ascii?Q?x4wXdCtwnSuHqkpLop+15Qv9JklfgBeT9mJqvQwJMWL/ag1z2v+3nj1DuRWu?= =?us-ascii?Q?9PYJee9uLX9wkgVCq73PJIsCAUKr1zBXXHL3Pu8UMoSfXsxRtK87ysID+74e?= =?us-ascii?Q?gI8JHqkkd3MbCBnK5miM+uCA9nbc/lvIRhtVedDR2DO6DghNo5hA7cpS7ghR?= =?us-ascii?Q?Bz3kpjIKGJUbQ+3sFhj7rRnVKHgPCLYJEMtHtfgxfwhf7ImIhQgRlAPgxVgn?= =?us-ascii?Q?EWCqV/z947xJ1u57H9+xuXHZduhcsT9DSegRcAkb9azBKymhkVlL+UGcE4dZ?= =?us-ascii?Q?8acAcDwMluCvxIrjufJ5ezP2QfeTU9GagqAyp2tIb+tNFepSdRJvLFvnrNKB?= =?us-ascii?Q?hjRZTVwdbqYGEBz4Mq+HUP5KKotp+fjo3qJXH2uphw1zaNNJcfY/JA+m+CrV?= =?us-ascii?Q?99kR2TENpS4iDL+IdS6UBhMCnsYj8vmlHjmaH+GNDR/ys4H6axUCA00ctW63?= =?us-ascii?Q?zeqOzuc0YbX6q2lijL+IF7mG2Aqp+S17ryeRPCO9oYq4/4eYyneh9gDgay4x?= =?us-ascii?Q?S1jq8qcuYFliFCNPSDnxCAOpo3S/IUOPdtYQ8IgWxu3dNlEDZ/MVUUi7ShaA?= =?us-ascii?Q?VCmq1iVRnXdwxql0+0SkpWaOkRl+lSaoAlgbHzpOuHvwX/cHlY+RRW+b5n2M?= =?us-ascii?Q?3DcRg10EZorh9G8kLJizz9KjVlV9WVYqKst2cYosUK4TMsmwzR52A79+VFNG?= =?us-ascii?Q?M5vj6pknX/TafvFNFOb6UQFtbY/nLq7U4ppv2vkw2/ccj0w8NAIQr77ur9/E?= =?us-ascii?Q?oaiD8BPQ8zjyGIaKZky+tMUjus25DfWLc+YcZs/ITSP2E2znGVAqQjkL5V+T?= =?us-ascii?Q?mbMTeym5YX1NhX1sDQb04jqeoVJ0x0k5YRCs211++PB/j2vFxjnzhZNVtsnQ?= =?us-ascii?Q?2DkHTpL0TeJr4zrpRRui9VNwOgPBcOVgHLJgtury5/eiRXuOQUwPe7OY2DC4?= =?us-ascii?Q?hdllL3UWgEr/6rT0u3JoVeLU0R7PyYf/Qfr10r980WrS8SVHRgDFhUuIukiu?= =?us-ascii?Q?BS5J8oELLyN1BeIAIZHIpblDuPWwZDZTlRPBxM5+LIROVGbYduROaAc+vJqm?= =?us-ascii?Q?UkCeW3GbJWkiUpfJxdHjZJuAI/msMbaTb5YaV98mpcit9y2oj217typoteJJ?= =?us-ascii?Q?S/ms212WAsqzEAqFri8=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA3PR12MB7901.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(376014)(366016)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?eKogKPhdLnQOCoQRuLH4V5nt44OiV2z4Mt9LItHJTTKgc9ccpqJwAwETUnOy?= =?us-ascii?Q?p57t4qw7yg82qzgkVSQhXbK8FzQZ+XRjYUxrOrjeOMEF4Sc0cJ8Pmoj2ERqO?= =?us-ascii?Q?/utTH0Lz8UrdmaisQKSAn/HpqTLVpbU7nH+lYdb97fAfuEiMgvXbHpWur3C4?= =?us-ascii?Q?pysDaT6oGvrnqkII0ZKZbRJz/BDbKxEdRmep7Cxj+MOaeySuCjyYQ37ZtrET?= =?us-ascii?Q?pVengU3cEbgigEXD38PuRJ48FWMUJ3lFZiiLvPy5eKmGRfTfpLn6MyPXdJ6z?= =?us-ascii?Q?nhY4jSFfZDecAI93I4DS9dnGuDq9XyExlhO969yEzfSfiy2jAybk22PLu/sF?= =?us-ascii?Q?qn9aY7jD0p2dZ9oIkBIn4Bd115dVhxqq8Zex8GW272GZy92w2T6bjxLqDgXJ?= =?us-ascii?Q?+AymDBukcmTNa+0+IWhDep7vTO2P9D6jd0kLRHFIAPMa2wi8HT2apGXkHUcY?= =?us-ascii?Q?fV+IUNofGL9MDaFYdRwbaMT1OISYdkRnPLJCKkNFujQqoi2njqVzRORgMTM4?= =?us-ascii?Q?O+ZxXjstu0ITpAY7V/11C4TrsTW02VWVa9MPbhwaF0R/qSt/5C/munzNXu8m?= =?us-ascii?Q?BMYDhypzF5W9uCa7I+keERiKNXgB27vnjo/E0xuue7Os+Q1i3+/5iiN7/hd8?= =?us-ascii?Q?GDjRRYU+Jpi/krSS1nX0jGUlPmWHHmrYdFZ8m6eYOKmJqecNO/YhxZtpp1GK?= =?us-ascii?Q?kEfjP3+bTyK2ORTbaf1iDKG97Q0P6VdqWm2sWnfwuTEhqyutFBhGgN6QSnCM?= =?us-ascii?Q?1xOhOoR72e7pT2Fu5SEynZDSk8GY4lQy3iE8SHmVDZ7JaZpQY+jb6QoELDx+?= =?us-ascii?Q?lAAoXqjUVwOQZCAIhpSgoaZoFxJP8UqeWY7w1kHmfM/Yd5yBSAcaXpYuBOd8?= =?us-ascii?Q?kKAj2m/VyIkKUkEyITrPGQqYqZRv21SnLH1hwkRQ3fJtir+PTDHNlphHTV+g?= =?us-ascii?Q?L/q1/KqNuTc+wWnLgUa5tBY8ffv1hehof4Lbwivfmz1toSDUjwdT7kDJa2gy?= =?us-ascii?Q?PRkyPcJu4y0Eevg0nLWnWf8g6Jx4uDdiZBj9acHMy9de7k4IO6kxgdNxld4B?= =?us-ascii?Q?Tl2k9SnGcIUdWeCbwNXM7BbmcgegAX74r4NUM7L6arGegOyjqU6UQddi2prx?= =?us-ascii?Q?i0nHUEFdyPzsx026nnk7ieW4I2sm9WfwqIYJRH5QFbkA+5WgQm4EXg2js8/P?= =?us-ascii?Q?XNH06M/FG8lOttunZtuel9qSA2tc9Q+50+VgYAMzyCr3+dCgXT1by7mTepzl?= =?us-ascii?Q?FbdFU8cF30hOzoDhCBbn6oHPhzVBonsHZzqNvRy/D5ivL2tDzILakz+2WTB7?= =?us-ascii?Q?MrPdBqe91nCqezXI2nxoojkWEr6U38h0tsR1eYZv4NTvunAk1xo7WjOE2MIe?= =?us-ascii?Q?eqZ7JZstlBcWRUCloa0E3/YRG5N+N4QXkdYU+jlJO0j1hMXe2JMoZ/1upmPj?= =?us-ascii?Q?TkoqkmhY4cOQwi327hZCkCjsOWsVodSZSj7k+bPIVZQYcIw2xNKijDh3kRzF?= =?us-ascii?Q?ZIunvM/cu87qv6BOWxNli4Ixe2myPpEvFLzWR9Is/ykzMtYuhB7Bh0Kl8mX3?= =?us-ascii?Q?vaNG+PO9GTHIYKA+rlhwyp2tBHNXzAinUzIPziCWIpSVlVZyl85H3Y6blPpe?= =?us-ascii?Q?MS6sDbk+jXhe7yvvWnBGNzIFA9cy1IQ3zVDRI+jyzdEPHE/T7wd+kYAfJxjs?= =?us-ascii?Q?1n1Sh5OObiKtSt4T+8WDPLIbCsk3+6LkfKP26kuJh+CAyjpi?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 59c1d76d-5b8b-498d-0aee-08de5d77b3bc X-MS-Exchange-CrossTenant-AuthSource: SA3PR12MB7901.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2026 07:43:03.2050 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: wARP6li+YQW7dAbuvWPX67HNQfAL3IdBluMdZ8j8R5DYWoRYSwyeuK0DuiTcKW528zeQ45ikcVqDq2s97HE/iw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB9089 Patch prefix should be "[PATCH net]". See: https://docs.kernel.org/process/maintainer-netdev.html On Sun, Jan 25, 2026 at 11:35:28PM +0900, Tetsuo Handa wrote: [...] Needs a Fixes tag. AFAICT, issue was present since the beginning, so: Fixes: 3d249d4ca7d0 ("net: introduce ethernet teaming device") > Reported-by: syzbot+881d65229ca4f9ae8c84@syzkaller.appspotmail.com > Closes: https://syzkaller.appspot.com/bug?extid=881d65229ca4f9ae8c84 > Suggested-by: Ido Schimmel > Signed-off-by: Tetsuo Handa Doesn't build for me with CONFIG_NET_TEAM=m: ERROR: modpost: module team uses symbol __netif_set_mtu from namespace NETDEV_INTERNAL, but does not import it. make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1 make[1]: *** [/images/share/idosch/virtme-build/Makefile:2004: modpost] Error 2 make: *** [Makefile:248: __sub-make] Error 2 Needs: diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c index 0af2e5aa84fb..a0fe998cc055 100644 --- a/drivers/net/team/team_core.c +++ b/drivers/net/team/team_core.c @@ -3014,3 +3014,4 @@ MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Jiri Pirko "); MODULE_DESCRIPTION("Ethernet team device driver"); MODULE_ALIAS_RTNL_LINK(DRV_NAME); +MODULE_IMPORT_NS("NETDEV_INTERNAL");