From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from DM5PR21CU001.outbound.protection.outlook.com (mail-centralusazon11011021.outbound.protection.outlook.com [52.101.62.21]) (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 D280C2DF153 for ; Tue, 10 Feb 2026 14:48:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.62.21 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770734916; cv=fail; b=EsTzx/PMNJD+kTZNYoYf8amNW6B9CQL7L6yn6OAxlrlPNSDXyURkrGjS4FarkLmctbqcMpvDmNEupF4fddoISDuekzMH+0c4eO/0F/semtGxCuOItdgR1WbY3Lv5ZiVq59G3IBjNTFl6ztJnm3URu0pHcqhFGV/i4+4JZiBRtVk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770734916; c=relaxed/simple; bh=AWcTiI3UvJGZeK9Nge/0mCiIW0NQYNGcgrfd1TuZQ3A=; h=From:To:Cc:Subject:Date:Message-ID:Content-Type:MIME-Version; b=ExZozDFRgcA4OWrXHN7B6ASklXg6VooI7txplg1ep8bIL7ie3nW+gDRd2wvc83LyN93UdhG92W3n9vAt542CnPhCn7GkIaQTadA6PNozBfm+8lQAVt2Q2e2pZsh7OhB1FVClozkhrjB5AhQzvp0vzG0J9ZrJ8Qy892AVIHd431Y= 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=s/T/PedZ; arc=fail smtp.client-ip=52.101.62.21 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="s/T/PedZ" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=QNVf91WliPCPGQcqkU4+Q6d+5ALHLIMdAIpVH1nl8HhGMjhz1IEohkLGiUsYElaiL/OwHEfZWZ9xMw0WLJ0lSN1X+zwp3I8tKeQXV4xAfszmdunfIkbijNIHhlh1aYX09YsvFYhvCFb5fsXvumGVgZ3W+fuQMHNiOwre6xU5D2na2ExdotFejLeylzwH0qnXaA8r++NRzTXiEs1Y4B3J0KqUDfxbd/hXeB7CZ8JWU5wET3BatN+A40RGNRMl32jC8xY2TP5bSRrjvJLTePAIsp37Ni3Wc+5yse9fCjnuuJ/U7LLgRNuczyHe/iQ4CPeUnx90NZiIf3pEGMfgAFjohg== 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=jpmoWDvqd7YJP6GJbf8ZQLpXkmFHrfHcdz1L7K6W4kM=; b=hFj2jbv2GcTTEWUCg/oonEDH5UNPnjpErjhxemHu3ahI/22g3Nz82VLC//kMxUeRxO0CnVZ/+kmdSSMcucWZjve3rW65nj/KywIQgG/l4eJgNXdfHffZ/tQ4piDwPJCS1Fmgrvd6f7ro5KHcNgLqlRRkV0+JJ+xhheXMv0/ONjf7GYuTbFWo0cJDk3ryxfZFL9w2j7ALSdiQrLMzS/owCfyJhTTGPDk3aJJSBLnDjm8e+SCJ02JsxgVytW/LJ4KK3sJcDkBzxdLZchDBvuE+Gs94e0Ow/nOCK5OrCl3wex8iVCjKe3X+d5UIwFCEDGdv+i46siQ3oqFKDyhsEdRdng== 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=jpmoWDvqd7YJP6GJbf8ZQLpXkmFHrfHcdz1L7K6W4kM=; b=s/T/PedZg6q1APYO0Y2saMnMiExAm5r4LyQbj9rlAjXHJuC1e46uJYsRpiLMRqoVGoktoAR1yNawaOm+n9wJM57s6GkHyNi9I5FKmZq8jtpIhtRUkZH16BKePGlxx+yTpFGUiNA3FVftw1MOEl+cu0ZyLf9pPT+pT+x0ZQsNhLoatnJVOnYA3CuxUBUsmjpE6Bl/fmf5bW3sB1UPW4FJ88Km9Gh+wt6XCnDEQ09goh0F4/dge8C0epFms11QLCdKSM0GzbmE4GHiMerYYJlaOREJcSaRlfHPFzL7NNcvv5a7m5Uzpq59KTN9H5S2S5cf9TaUFUc2ABQLG5jaaV9rfQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from DS0PR12MB7928.namprd12.prod.outlook.com (2603:10b6:8:14c::13) by CYXPR12MB9339.namprd12.prod.outlook.com (2603:10b6:930:d5::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.19; Tue, 10 Feb 2026 14:48:29 +0000 Received: from DS0PR12MB7928.namprd12.prod.outlook.com ([fe80::5420:4724:4733:9abd]) by DS0PR12MB7928.namprd12.prod.outlook.com ([fe80::5420:4724:4733:9abd%4]) with mapi id 15.20.9587.013; Tue, 10 Feb 2026 14:48:29 +0000 From: Nikolay Aleksandrov To: netdev@vger.kernel.org Cc: idosch@nvidia.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, petrm@nvidia.com, bridge@lists.linux.dev, Nikolay Aleksandrov Subject: [PATCH net 0/2] net: bridge: mcast: fix mdb_n_entries counting warning Date: Tue, 10 Feb 2026 16:48:10 +0200 Message-ID: <20260210144812.1056554-1-nikolay@nvidia.com> X-Mailer: git-send-email 2.47.3 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SJ0PR03CA0204.namprd03.prod.outlook.com (2603:10b6:a03:2ef::29) To DS0PR12MB7928.namprd12.prod.outlook.com (2603:10b6:8:14c::13) 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: DS0PR12MB7928:EE_|CYXPR12MB9339:EE_ X-MS-Office365-Filtering-Correlation-Id: 5f16d53e-808c-44a8-5427-08de68b37421 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?7bYA4xlYhOClcz9Nxspkpjq5C2AaXYWdRkVHFu9x1jN+80Eq3eSRNia6oW24?= =?us-ascii?Q?z8mFUvJWFKhAKORuiExpKACpWAEDc6UGDlGSlbaIexaGYcoyjFLqBBHcupxn?= =?us-ascii?Q?xcYwOiXjlEoqmYRwm7lEtDl8hD67XGHW4X2PbrAtphbKWjyWIonSFK32Pf8B?= =?us-ascii?Q?Iw/TBU/XC5unKMTUCuPdfAFs9WTDy8d21l1z15GhmPxGRlXwJBTFLAzCnGoq?= =?us-ascii?Q?URNo1hJM8YyWL/2VQKgVITj1YiIWxtn4+s/CXLkogd9QIy0JpBdm9EAUVZhe?= =?us-ascii?Q?Im05z5Aq2KP89Nrxc4hG3ONc3j97WJJFk7psFjQbOSDGZlJ+JZGsfiI4Pm8f?= =?us-ascii?Q?3AFTF91FRYA5NOGvxuRM3u8btkb8VtRDxK/FKCEow0O0dayv3pS7dB3Ya+m5?= =?us-ascii?Q?oUYUJiTiKmjW+tswT2TO5jzVBTkk1s6kkJtzqFTD8WB34VaGQPdt/Yo91nYn?= =?us-ascii?Q?Ch5gcp4OiEmhRInNBYp6FlxPOEtgWCvK+FK4EKwgvaBcuOwkSZvPp86DKRyv?= =?us-ascii?Q?UlckcPbekx9Fp79UFyLd5K6QxgPuems1M+rG+IOTPkgESJBETmjMUzYH/iWi?= =?us-ascii?Q?D1O5z2nR7SWairTyb4ZcvasbVG93ZQkJQl6u5AUBR+Hf1kYZUOIoDiFf86G9?= =?us-ascii?Q?BNMQ9UlsyLidT+I33OxjQUpimhrnFDpxZVKMWBlDDyygxFG7Elejkz6V8E8z?= =?us-ascii?Q?wWMnHXTs9bBaUr6bY6vTzKuvZoAoCSSzFXtMmPAVx0rXdjUd060jpMRZEExQ?= =?us-ascii?Q?sHpgvY5LSYiuW6/j1e/IWQF7HmO1Mwim7KvPMoU3JCFgzinKk2CBFAX0+n5l?= =?us-ascii?Q?xLixUSKTk6RM36q8FhqPgIJ1rEUnV//PiPW8snbzzqu+nm28E7bJraTUhAym?= =?us-ascii?Q?NZBS3qOTSxbA1awtuSeQHjyE6wU0IKgJgiz/05B88mYYG6GNVptWk0Le16sc?= =?us-ascii?Q?r0XGEgHtW8guQ5mvGDAt+V6fpGJpSLH6K3eEGebRQ1g4uuASpx71qimlPmYR?= =?us-ascii?Q?uqlSTmFmLwkzRgszN4aWulrXm1wd2YIusiGerGRT+RTwlv6JVMxSbAQ0Uv/l?= =?us-ascii?Q?3VI/iZqgMkxug+WQEXKOo+ReCEuNjts2NqJyb/MB3QFb2Tvs4FGJXTyuyd4z?= =?us-ascii?Q?HzsCoVfk24tYSjZiZ4IpceaJbrpauaCVXBE5KLTJPsWx3M6Qat0pOmE2waVW?= =?us-ascii?Q?S83lFd4oB831cO2YK4tELwTz70i1GmLI3XaYQmF7b3bCJONh5DB5XpivaHTH?= =?us-ascii?Q?p3lzbiflaKu39ljKC5rmfamBeYTJOL3fhqvi5Z7yCpyHy5ZF5aYmU+EadaVq?= =?us-ascii?Q?rRGO1wawbsWkelX34fjeOEbZm4hRxomsa6ZtazEHStkrUebqm0a7yUTJRcEE?= =?us-ascii?Q?G9a8P8bO8bKBX0knKH6zghF+DhsTnqaFP3WQi411vw9Ta6dDVbizJUM0/5U0?= =?us-ascii?Q?zDYV/RBvANrusUmyUVSs113EmHNE8W5TM6d+ax99o5uUaZANdWiSJsBIAia+?= =?us-ascii?Q?agvq69NmC3id1DUh8EvOxDkqvPsDl1PFl2NzbF3DnGP8DpJf0MDn/jLKx8Jv?= =?us-ascii?Q?PPVypiyPUGSDKzyijZI=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DS0PR12MB7928.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?fPEIweUOEpaBoQeNRE2cg4ltbAok92DZ8U/q5nOU9ZjLwvLtrJeAzng6pUaq?= =?us-ascii?Q?2OIORjPZhlgjXWcW5EilO91Egq8xyt+4IcUSdNypOYOMW32tAgo5BUELCD9x?= =?us-ascii?Q?Y25i+qzCvJF+Npr2J7zwYr09cLI2cxA14VCAt/htT1nWLwRpJXJxKpyNik0V?= =?us-ascii?Q?ybgaGdShOGrop1rBd8OWL8vGZP3X7S2wVCZoCaRYP7bZa6VOAt6EBi9EHj/w?= =?us-ascii?Q?VDF8LIwxTs5UEmjlskpef4Bp41TovjykNSoaB2ETmAMdnB+KDYI4QzZNgA6G?= =?us-ascii?Q?OqYlMJtg1cbFNUJkM+IG5qxMrdA7cbFPvoyt26TTzcLfLxTV+JAjjfFFOx8M?= =?us-ascii?Q?3gEPEZR+vbVaVOaITGz425vxNYFrUgOz3QP6EEso6h5PbvP4eXYPWu7geaIM?= =?us-ascii?Q?vHYhkGIMuELT2ytVbfTSRwIHN+zZ6vcKGpABmrahTINnoCG9CXVcqteBAGaO?= =?us-ascii?Q?oaevfF9XekwJkr4lExMWTwBiF8bmOcmsgpkWaUC56PFQ98JtrKK0Hsg4hw01?= =?us-ascii?Q?AdYH5lThcVnUAmp2IHVubtMxasnRzMlBlAzu42ZWilVNwygVbGLUphP7g78+?= =?us-ascii?Q?IZlwwXj6dqdJTcV0w0eOEWWdcKl6bdRtSmcgm+yKz8Htz6YrOLZApuOOyvWt?= =?us-ascii?Q?3+8mnhR00vb3UF38ZQCLHHKnRFOQv3S8WNEzoDbBfWXwStMm1NeAwHE1tET9?= =?us-ascii?Q?iohdQPI3rWsYD62VLzCqKfO1+m9VuywdXuNIibqUNeb1Of/vhOCdGakyuS/B?= =?us-ascii?Q?EkgGM6a5spQIHhALoZZK3SqTc+nFkKNM9Dsi95d4kX7eqWORkK+eJ/OUX7K2?= =?us-ascii?Q?vWVLgbfPHjDtPYKena3Xx1czHIa8pof6zGT9chjIwHuIpK1eG/W2oV0yL4sk?= =?us-ascii?Q?ZVdiFPO3pRxlvP8GYbNcnuvXo51leybymq4n11IdJHTBMgA6/4xFkVT1wfc+?= =?us-ascii?Q?cT4a8yoSjPQYJ55hnrPOzStbuu/mQuQDcEONi5jxf4TdWZRgYycIw7XBpkP+?= =?us-ascii?Q?LNGzAHPY4TCuJhY8rwpm5SLeTAqKwq4kZeiZf6v54Gvz8Nbg8vn/f+Z0m69m?= =?us-ascii?Q?gFHOMV3iVNGiDEz0w+D1sOykvxfCV84uJbpCfsCLHV07/dg9U4dZ5C7luB/n?= =?us-ascii?Q?iIKIacXogXfdbRU/9gWondpOlV+2+BtAeGf72UUD9Dfc6DiGkGKwtmZCiVDM?= =?us-ascii?Q?SecU/EVc6Uu6O4/rFVoGqKeZ06hsmAn0Lww75fJwj5Kozakd30kfm207yr9U?= =?us-ascii?Q?YW4NbnhI2htw4iCLsMa5Qw0glpT4HA1vTWl4n17Oe20l4WGHlIi7OAMkgKRu?= =?us-ascii?Q?03RwSpWbOKswbkDTR9tvQ4vlzlm+BIBH3C2Xiygt/cEG91tq6hmKSDhjE8vD?= =?us-ascii?Q?kPh40NDXvRdcc9CTXBhd3tHx8ikUy+SVjy3Di8ng1ib2MjdgvLCH0hpli5kZ?= =?us-ascii?Q?Vj5MhZu8s9CqacFytS0RnNmuyJtF75awhxQtN1pZH8DhVVJSmF1q7HLNu1W2?= =?us-ascii?Q?rdnCfZcpmdbnYJTr8j8czW7AFGV9q/XcVN1Gv6/VpUhSLRnUTiqY2NzVzi8W?= =?us-ascii?Q?VDnMiJX9eEHjhQ7y+GkIO9ferXwqo6bt5QOflu2i9P1JRwb0NlbPWVu4RBV1?= =?us-ascii?Q?eJ8/JBcVji5tFH4GBlalCzQ303t5U/qNxzmmbZtJLI0J/PN4EE1Ce8hizSdw?= =?us-ascii?Q?WgLYlrSP+3OsqYgsm42xV+UoMYnGXA4klnh7Pj3PuLTHo25y0YJbZ+LzA/T9?= =?us-ascii?Q?W9JiGIXwfg=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5f16d53e-808c-44a8-5427-08de68b37421 X-MS-Exchange-CrossTenant-AuthSource: DS0PR12MB7928.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Feb 2026 14:48:29.2798 (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: OsvipeJTHGI4OcAPkiZXC4jqdP+G/E8q6hWLASWH94/qDcX2Sidu0U4zy36WReqrOcRDYzQGjbfVD6yvEmTpVQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYXPR12MB9339 Hi, The first patch fixes a warning in the mdb_n_entries code which was reported by syzbot, the second patch adds tests for different ways which used to trigger said warning. For more information please check the individual commit messages. Cheers, Nik Nikolay Aleksandrov (2): net: bridge: mcast: always update mdb_n_entries for vlan contexts selftests: forwarding: bridge_mdb_max: add tests for mdb_n_entries warning net/bridge/br_multicast.c | 45 ++++------ .../net/forwarding/bridge_mdb_max.sh | 90 ++++++++++++++++++- 2 files changed, 106 insertions(+), 29 deletions(-) -- 2.47.3