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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 26542CEBF61 for ; Mon, 17 Nov 2025 14:38:58 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id D92DC60DC3; Mon, 17 Nov 2025 14:38:57 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id eAxByTWJPj7c; Mon, 17 Nov 2025 14:38:57 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 0B91360D91 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1763390337; bh=U7dVchozfdbnm1i6CK72CWQ5lu2L9dphtcrjXhpoDO4=; h=Date:To:CC:References:From:In-Reply-To:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=3aEc0CZXNM6Rqiw5IxlVKAcKOdv68IIkBtKkFRkH+xnxLFUgxRXyWiSSN3g0SP+83 Jv3JGQtJd2aXRvr2P7FhnsesgisgfIUNcbm9j3Wwg+dlEZf8GibHPex1iSiPtdSU1z zgVr7csRVjMaeuEjFRzYp/BtVnBFnlV9f0IxG5WQaVJimPjp8DHRDCat3JAPcpRPJv BSeVcLHzXxZpGGBgXworjcx7mi4CLZttAmvHXctZfpGnH84ZSyaHJGcTOEkrmVI0h+ LWF5TudUhhX3WKucg4G8lzAK6hn4k+/YAl+tNDtgADHWtEXC3bu7zEmU0fEUg3QVAA rfrjYg1vDqk4w== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp3.osuosl.org (Postfix) with ESMTP id 0B91360D91; Mon, 17 Nov 2025 14:38:57 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists1.osuosl.org (Postfix) with ESMTP id D5432158 for ; Mon, 17 Nov 2025 14:38:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id BEDB440372 for ; Mon, 17 Nov 2025 14:38:55 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id bz4OjlfOgEGg for ; Mon, 17 Nov 2025 14:38:55 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=192.198.163.10; helo=mgamail.intel.com; envelope-from=aleksander.lobakin@intel.com; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org DE4F34026E DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org DE4F34026E Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by smtp4.osuosl.org (Postfix) with ESMTPS id DE4F34026E for ; Mon, 17 Nov 2025 14:38:54 +0000 (UTC) X-CSE-ConnectionGUID: wzlOiqovSG6hjM48mgu1gA== X-CSE-MsgGUID: 67KJ6G3ZQgC7gwfME0ktog== X-IronPort-AV: E=McAfee;i="6800,10657,11616"; a="76740126" X-IronPort-AV: E=Sophos;i="6.19,312,1754982000"; d="scan'208";a="76740126" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2025 06:37:45 -0800 X-CSE-ConnectionGUID: wuoUdZ+aQMS5tcEidPaXTg== X-CSE-MsgGUID: RvXx8OtBSx6+4GOvyMdYxw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,312,1754982000"; d="scan'208";a="213865468" Received: from fmsmsx902.amr.corp.intel.com ([10.18.126.91]) by fmviesa002.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2025 06:37:44 -0800 Received: from FMSMSX901.amr.corp.intel.com (10.18.126.90) by fmsmsx902.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.27; Mon, 17 Nov 2025 06:37:44 -0800 Received: from fmsedg902.ED.cps.intel.com (10.1.192.144) by FMSMSX901.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.27 via Frontend Transport; Mon, 17 Nov 2025 06:37:44 -0800 Received: from CH4PR04CU002.outbound.protection.outlook.com (40.107.201.5) by edgegateway.intel.com (192.55.55.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.27; Mon, 17 Nov 2025 06:37:43 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=RoQIYD0qN81iGkm+inM5zlV+zwYNQB7nWPnjBzEftF11K/mDAbGAjzeEaFi9tQJeu5R/f3IovItuH7gRrsT0wNFjFiNtlH58ktIko3gnaKlgrtCKuEiV/vdHdbUQ5Hi3wYYohXIHE5E1l3gAvNcvlx7r9ORyh8dZQYSxxQzMAD3iTMRziDU8jUVAqZANLAn7FxKvAxD7bD2JbR6nuDWMkYgMHUdDrI1YV/K63dbvfyU1wrsHCj3ZGBRJQw1UZIHON4f3deIJgdHBc/WFL7l1UuS89Ua5YnwWVfGM9LwkBLx8wssidQz8u4xJR33OuEs/aLJp+NPKdu34m5+vNp5dVw== 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=U7dVchozfdbnm1i6CK72CWQ5lu2L9dphtcrjXhpoDO4=; b=hBLos4DMc5JcAuR6uCPxX2j9fh+T+arvB3cbTDZKBtsXm/E5XNovS1630/L+4LibYzQmAabHYD0ErZvRpArC82QjZK/JdUUtVB+5xXpPgZr5cF39zZm33dYUEk7Zsm8X04Vcp5pqIBzOlskuUWMu4HvLe/+D70GbbPzi1NFvkCfe/w3JsK50eu5pvHXLPjs/3aFVLUUooExkWR1qiHnjacH6E9pYL2bz01/4hK0vMN72YlP77zjXGsl8/yHdK8VpHAYS4lxo+j7xgaqH1UmFuGEOJ8OxcuT91x1hnEKByaPZEKk/qxmhsRs9NYGRCyo/oDY9rMwe1JazG1R/enD+WA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from LV8PR11MB8722.namprd11.prod.outlook.com (2603:10b6:408:207::12) by CO1PR11MB4915.namprd11.prod.outlook.com (2603:10b6:303:93::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.22; Mon, 17 Nov 2025 14:37:39 +0000 Received: from LV8PR11MB8722.namprd11.prod.outlook.com ([fe80::314a:7f31:dfd4:694c]) by LV8PR11MB8722.namprd11.prod.outlook.com ([fe80::314a:7f31:dfd4:694c%2]) with mapi id 15.20.9320.021; Mon, 17 Nov 2025 14:37:39 +0000 Message-ID: Date: Mon, 17 Nov 2025 15:37:30 +0100 User-Agent: Mozilla Thunderbird To: Dan Carpenter CC: Ally Heev , Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , "Eric Dumazet" , Jakub Kicinski , Paolo Abeni , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Aleksandr Loktionov , , , , References: <20251106-aheev-uninitialized-free-attr-net-ethernet-v3-1-ef2220f4f476@gmail.com> <575bfdb1-8fc4-4147-8af7-33c40e619b66@intel.com> From: Alexander Lobakin Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: TL0P290CA0003.ISRP290.PROD.OUTLOOK.COM (2603:1096:950:5::18) To LV8PR11MB8722.namprd11.prod.outlook.com (2603:10b6:408:207::12) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV8PR11MB8722:EE_|CO1PR11MB4915:EE_ X-MS-Office365-Filtering-Correlation-Id: c70591a2-3625-4d66-77ba-08de25e6db79 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|366016|376014|7416014|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?NnBxSG56MlJ0T0I2WXVpTWVtOWwxTzBhbGIwdW9xaUFtQjFPdFY5V3FkVTdE?= =?utf-8?B?Um9uKzVRb013Z3NmaDc5L0FoK0I3ZW9jcEdIa3doc2FQd1EyRmJFdDFnekU1?= =?utf-8?B?WDI4aURvSCtCd3hicHNMMURydHdZcnFNbHBQODFTTmxUelFlRzFhVTRERU1W?= =?utf-8?B?TlNNN2NNZkxkZ1RzbUxFOC9wZzJYOFI1N1ZQdm1Nb0VnUGdIYlBERUdyY3BK?= =?utf-8?B?blY3TVFEbHVSMGZQVUVUVmZjeS9BNmRpYU1yS2ZCQ3NhV3RJaSthaENCTlR1?= =?utf-8?B?dHljaWJ0QXM0V08wejlvNHVpMnBsaTgxY0ZGTUFLR0NKbUZ5dFpHR0dxRUpa?= =?utf-8?B?dHNjTFV0K25MMmZjM2VMY2F5STRPejZleDBwRDdJQUgvbXhLQzJNLzVyUGs0?= =?utf-8?B?TjFtSFRGbnovNEtHQXZoeHIzYlVmNkJha1BBK3dOcXhZSnYxV1dqOGQ3d29a?= =?utf-8?B?TlYvSHNMc0J1OSszYnQwUW1EODBWdnc3akEyZ1I1b3owNGdjQ25lTWNTTkZh?= =?utf-8?B?b0hKRHduOTBVNDZOK2x0UVpEaXR5MWpxV0tIeWRUNHh6T3NLU1orMEorWmk1?= =?utf-8?B?YU5leSs2WnVMeXZGUEd0ZzNTeFlHaGx4NXMyei9CNXcyQU1UelhFSFNkQmhH?= =?utf-8?B?ZlgxTU9XbzdqdjlUK1JLWjVDdXpNUVBJQjhYUHhiS1B3anZGTk9BdGRwV2F5?= =?utf-8?B?MjMyU1lvQm14cGdvTFFKTGJxL0F2Qzd1Z0c5OGNySW9YUWNqOUIrRnZKWXBP?= =?utf-8?B?Y2pKWCtIZHRVeWcrZHB0aFk3TGRzcE9jZThVSDJNT3pha1gyYTM0ZTE3NzJl?= =?utf-8?B?eWRnYnhENy9uL3FDeGdlZFEyQ0tQUERCMzV5OENSMDdpdmM2RmFYR1pSZ2xG?= =?utf-8?B?WmlKRTl0NFJia0xEYUgvUEw2amFVeEh5cDE3RkRKSlRlUkdhUWpOUUZ0NjB3?= =?utf-8?B?NU1qZW45VkNyZDVRYmRWeWpEei9PQTlmQ3VBUUlEeXpPdEVwcytwc0R0b201?= =?utf-8?B?RTNQdlpzOXVMdjFza3BiamJKVXNqNDltRkY5THRMOVY2dTFDaEpUcVJBbkN2?= =?utf-8?B?WjNXV0tSOGF2VVJ6RzNieTZzNnppbUEwY29OU0o2S1JpSGJVaHcwdU4vTjYv?= =?utf-8?B?VmVENXJwVXljVWdTcGNzWkVwdkk5Mmw1SFFmZjQrdS9rbTZSaXU0SlFzQXRP?= =?utf-8?B?ZUtsdWpuNmI2NUdEUFN1a09QS1pGelpQd2lsOUFSOFFvUlkrdGRVT2oyM0lZ?= =?utf-8?B?QkVKbGR5MENBN0pKdzlRZk41bFJrUkZFRzZoSm1qMFZPZnZUcUZHYTh5L3NY?= =?utf-8?B?aWpVRE94Qm4vLytXTHdmWVg1dmowaUJPY2FSWVlMRUkwK1pYTmx1WEg5Ti9P?= =?utf-8?B?ejE4bDNnM1Q1MmVzRXRoQjdCVUcyYnZ3SENkVTlPbFBIL0o3V3ExeFRLQm0z?= =?utf-8?B?Tk5DanNxbjNKUHVGZ1dZckFzclVWNGZFU1RXZ2Mvb2ZNOXJZTkhBMThab2FZ?= =?utf-8?B?Tkp3YTdhTzZLZ2JXd25FSWtzQmdqbzZXR3p5bVlQTDJGbko0WXV3alk0ZnpE?= =?utf-8?B?Q2JLRVVsNTh2ZElGdkt2T3hHbXhXcmloYjB6UVk2MXMrVWtRYTVrVHpJNytC?= =?utf-8?B?SEZJQjh3eWhzRWlEOVlzdjViTkhJcmhqRTlzYlBTSitJVmpTZUN4UTlDQXFR?= =?utf-8?B?MnhWQmNoYXFpWURnaCtDOGR6REp2ajFZa2kyQzRzMEkwVnlWWmUxTExPMkVs?= =?utf-8?B?V09sVjNtN2R5UmVQbmdaZmZ4cVphbjl0UWN6QXBGeDFKN24vRGQxUzVjcWZI?= =?utf-8?B?bXQxKzc2YllOUEtXQnliZkNzK2VTaGRjbHRyRng2VXJ4QlpTSVJEdnNWT1p0?= =?utf-8?B?RVhrYm5XbGk0dmlqQnpKMWw1RkJvZHlNb2pQVUxQTXMwTzJqL3RPYTRqOTkx?= =?utf-8?Q?M+L5Mts4M7Zycu6G0IvXHZ6aK+KnUd1L?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:LV8PR11MB8722.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(1800799024)(366016)(376014)(7416014)(7053199007); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?RnlqaGpLZm96Nm90OGxSVEZlbHdUWEtqMXY2ZmNBNERoeTM3OFRkdmU4dnp0?= =?utf-8?B?Z3l2Z1lOZGZNcU14YkcxaDYvSStkWC9vckNyN08rSWNIWGQ2Q3ZEQ3RXMGdX?= =?utf-8?B?ZElrT0h1L0YzcVFaaGFFeXlDbklSRHRoL2FUK1lDS01BWkx1TUNJbzRqclAz?= =?utf-8?B?OWdUUUE5RzNNdy9qeWtKand4MHdIWWs3UnhDdkpvZGNvaGtUeERoWGxlWmpF?= =?utf-8?B?eFNDZlpXSUhPelp3UkRQRmxDQ2hIZzI4MjdWNWxzZjc0eEJmWG9Eay90eTNT?= =?utf-8?B?Y2ZVcitQQ2UwVm4xNjhQeEF5M1NYZVB3QVMyWnNpUHJmVUpkOWVXU28vZkVW?= =?utf-8?B?NTB5R084bTFIbk9iTFlFNUVEcWNDNTl3b3ZDQ1Y3VE9NaE1XOUVlYk1GejZ4?= =?utf-8?B?czc0cjVpcjZ3TElBMXZGSmFTNkxiRy9RTzMzdlk5OXR1TFdtK2tSdVNOV0F5?= =?utf-8?B?dk9MSTVydGRRdkRNYjlWTXoycGhwV21VcUZ5WlFEekhPZFluRXhQSXFzdGw2?= =?utf-8?B?UDRxSGkrV1JFN05rZk5SOHhIMSt1VFk2Um9zNDd6SFRZVGlXcUpyZkNSM1Ro?= =?utf-8?B?T3NUR0tNeHoydUtKalFNVUdjRlBvaWN4Y2VTNElUdkNFbGZPNitldTFqVFdv?= =?utf-8?B?T0o1WTRJR2JYMWY5KzNET3pqT2k2a0ZMUTlrSTFCcGtmSWNsQldkMm9zTG1z?= =?utf-8?B?SEJCREJOMysyL0hLeG5jU1dFQXhkNUlya284MXJJajEzNWVSa0JqYStSSDdk?= =?utf-8?B?eWwwUCtKWVloOUo4RkdYNldoTGsrS21IckRaT3l1TkFBVGp4cXErcXBiT2c2?= =?utf-8?B?VjNUdzh6VGxIQXpSQU1pS01vaFhKVUlSa2RSV1RZSHVvdWlmZjVnYXYvVTly?= =?utf-8?B?dFNmOEUrZVJJUEREL1ZsYXFzQjN0TERPSkQyL1RCTSs2eVhmenhBUkExZlJV?= =?utf-8?B?ZWtBTnhOZDVTVUl3VUYwbC9wZUR4c3o5aFJDVlRYV2R2WXhhOWs3c2FpeEpB?= =?utf-8?B?ekd5WXhSMk4vRUYxNzlpazFkbXdoZXpNeG9MN1UwbW5xVG5IOER2aUhtNHFl?= =?utf-8?B?MTFJTlJEb0gxS0Z1Z1hUejhNQVp3aHd1dGFQWVFHb3cxak8wbCtmeWJhY05h?= =?utf-8?B?YjRhT2UvQnZoMWFMc0t6QllyZDg1NFZkVXRSc29BVEl6RGorZFg2YmdSNUZP?= =?utf-8?B?K1RScFVhcldTRXo5RlQvOUxwQUtCSVk4bW03VVRLOFdtSm1tMlpHMDMrdGlz?= =?utf-8?B?Mm1qMnJXR3ZRbkNBMjVudmxFVnZUaXE4ZnU0ZGJWMG1LZjQ0SjZWZWtiRmhn?= =?utf-8?B?RUxTdEtQNnNqQzRPNDFaOWFUL0tLSW55dzBKb2RrUWxtT0RocXVaclBkbkJm?= =?utf-8?B?enNRMEV2eXJEYzcyTTdLeHp3K00yNUQyM1VmaFc4ZlRpWVJ6bDYzeTE2T0hO?= =?utf-8?B?aFZ3SUJDK3RqZ1VjeHFHdkxGNUFBcUUyMFZMcjBNWHBXRUhSNXluNC80NGs4?= =?utf-8?B?Z3RUamJQYzdCQ0FYbzJiK0k4dTNCWDRVdUFheUx0cG9XZ1JqZXlxNWJRTExr?= =?utf-8?B?bnB3QVRYbzZlNE1QR2pnU0dZc0hLVXRjK0o4NTZjTExobUJ5QUZvYjFhK0hR?= =?utf-8?B?ZnJmeGhQcVc0UUhITlduUFk0K3BwSGJONmpIV0hXcG5mbGtNUGJiT0pTNG9Z?= =?utf-8?B?VmpqekNuRlpwNlJBZEI5Z0FlejNUQWZ5cXlPZWRJMGdwdDlhd1VtMlRGbHdB?= =?utf-8?B?cVVFbTRIZGJjbGdvdnF1ejg3YzViUzBaRjFMb2Y1b0FiS1VSYUljdWVmL3VX?= =?utf-8?B?RU80MXoyUGU2cEp2a0JscWJzaWhMM0NVckxRS1VTUXhNWEZJaTIrZmMxSEMy?= =?utf-8?B?ZXFySDN0QllHRDhzWmd2TFR6OFQxdmhjSTBpd1ZKSlJQdy9ubk91cTZ5c0ZH?= =?utf-8?B?b1g0bUtOTS9UaU5EUGpwNjFRczcwMkdzeHFiWEc0UjFiU1VYVmtKdWMyY0JB?= =?utf-8?B?WnlVTEJ0bzZ0VWU1RzRPbEoreWdZR213TWJzK0ZKbjRjRkdtcGxnM3YzdENq?= =?utf-8?B?UWFPOFU3NFVubXEwb2lwRkp3ZzA4bzhVTVU2a1lhOFpRSUMzeUpycVpjVWUx?= =?utf-8?B?TUdBcjBWR25sTXA3YUs4SEdmdE8xWWNpRmhZSGtXYlNhZFZyMEF6MFE3dGx0?= =?utf-8?B?MkE9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: c70591a2-3625-4d66-77ba-08de25e6db79 X-MS-Exchange-CrossTenant-AuthSource: LV8PR11MB8722.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Nov 2025 14:37:39.1274 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: vpgHuqXt2aBblRml5aFQx2mVTTUtJZ5ZksKGXBBIFZNnK5JqoKJHxGlZpoZ6e9Y94aw785Or/aDH2fnqcYJJu0uGQZ+uV6DO7uxXCz0crC4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR11MB4915 X-OriginatorOrg: intel.com X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763390335; x=1794926335; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=CKupKswpN3yjctiIhqjAnEuq1/78OwJpI1qiJP11fQM=; b=RG/VkB9KDbdufzLrGJrq9FKGO80UQoF3Yvn3bj4fbzbNq8pvzfwtLHhI 25DTNVoWGO9Xji7I4JGOBTLZpLqahygBANeYhrtsmfgTGaRW/RH9Evevn TQjHKCZYfs4xWzsMrHOVg+bi7NSC8Yn1dIdLaw6FnCytVMRr59Z5iS8nN mJPqimKEi3q+Tbkg0pDVc1u9ZvAszCO+BvEIY8qsISDzHZ1WkQ0+VAdGj LMSKwnluu2lLfBF5+DAs9SN3iVlvUroFpb4gO3oOsECPehPtxX5ESAJUn hZyF7rZVlWjKzckgugYYnXag8VT6VpnsoFSMgJmtLcYDO64Zj4cOy+CdE w==; X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=intel.com X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=RG/VkB9K X-Mailman-Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Subject: Re: [Intel-wired-lan] [PATCH v3] net: ethernet: fix uninitialized pointers with free attribute X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" From: Dan Carpenter Date: Mon, 17 Nov 2025 16:11:32 +0300 > On Thu, Nov 06, 2025 at 03:07:26PM +0100, Alexander Lobakin wrote: >>> diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c >>> index 6d5c939dc8a515c252cd2b77d155b69fa264ee92..3590dacf3ee57879b3809d715e40bb290e40c4aa 100644 >>> --- a/drivers/net/ethernet/intel/ice/ice_flow.c >>> +++ b/drivers/net/ethernet/intel/ice/ice_flow.c >>> @@ -1573,12 +1573,13 @@ ice_flow_set_parser_prof(struct ice_hw *hw, u16 dest_vsi, u16 fdir_vsi, >>> struct ice_parser_profile *prof, enum ice_block blk) >>> { >>> u64 id = find_first_bit(prof->ptypes, ICE_FLOW_PTYPE_MAX); >>> - struct ice_flow_prof_params *params __free(kfree); >>> u8 fv_words = hw->blk[blk].es.fvw; >>> int status; >>> int i, idx; >>> >>> - params = kzalloc(sizeof(*params), GFP_KERNEL); >>> + struct ice_flow_prof_params *params __free(kfree) = >>> + kzalloc(sizeof(*params), GFP_KERNEL); >> >> Please don't do it that way. It's not C++ with RAII and >> declare-where-you-use. >> Just leave the variable declarations where they are, but initialize them >> with `= NULL`. >> >> Variable declarations must be in one block and sorted from the longest >> to the shortest. >> > > These days, with __free the trend is to say yes this is RAII and we > should declare it where you use it. I personally don't have a strong Sorta, but we can't "declare it where you use it" since we don't allow declaration-after-statement in the kernel. > opinion on this either way, but other maintainers do and will NAK the > `= NULL` approach. > > The documentation says you should do it that way and avoid the `= NULL` > as well. The issue is with lock ordering. It's a FILO ordering, so if > we require a specific unlock order then declaring variables at the top > could mess things up. > > The counter argument is that if you declare a variable after a goto > then that's undefined behavior as well. Clang will detect that bug so > it be detected before it hits actual users. > > regards, > dan carpenter Thanks, Olek