Received: by 2002:a05:6500:1b45:b0:1f5:f2ab:c469 with SMTP id cz5csp1040270lqb; Wed, 17 Apr 2024 20:19:02 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCUqBQGbad2UW7ur+Rqsu2sk9VwTgefD0RFshOkuqFLQfcc7OVkBZJoV68sQvavsUNYaPV2aLyUD7VaBpq+8ZbQRIvq9qvdP1JXz0MZ6UA== X-Google-Smtp-Source: AGHT+IEvcqOEC1HWa3RTYTI3BuIUD4tDJ/BnEQtpDnzrqy0fbYJNkrRDWFjJgDIM8hoXPyhyiT1J X-Received: by 2002:a05:622a:164e:b0:434:fd7d:6dc7 with SMTP id y14-20020a05622a164e00b00434fd7d6dc7mr1546297qtj.50.1713410342495; Wed, 17 Apr 2024 20:19:02 -0700 (PDT) Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id p16-20020a05622a049000b004370a9dba80si605833qtx.140.2024.04.17.20.19.02 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Apr 2024 20:19:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-149467-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b="LWR6Bfz/"; arc=fail (signature failed); spf=pass (google.com: domain of linux-kernel+bounces-149467-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-149467-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 2EFA91C2118C for ; Thu, 18 Apr 2024 03:19:02 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D48F450A7E; Thu, 18 Apr 2024 03:18:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="LWR6Bfz/" Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 4D1FE1EB46; Thu, 18 Apr 2024 03:18:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=192.198.163.17 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713410332; cv=fail; b=iWy1E68LiNPn/PBalddPbDdIBHaCFNelTNPWNKMM3BLfY98Mky9Bi9tYPQgu9xtSGCSiVoYYQRPGQoNdY+M98mbt162/xZKiKCvlYYoAcpZ8SNoF6LIobDyTys8l+AwOq17nsh2HDcG7xzbW2Kq5Phc7fK9UVUqjfvPrhmvrK4I= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713410332; c=relaxed/simple; bh=0b3qDY01n6djr0T2tgkSzS79l16uRhXB0uehEfOez44=; h=Message-ID:Date:Subject:To:CC:References:From:In-Reply-To: Content-Type:MIME-Version; b=R4teMa/lvGgOqUeL0sr6YKEXp7lifLhcE26VMQ7k490MSBWlelBfD7bmh/QuAspKoc0qZFlWaAqNL5Wyp82PXXFrRLbgKwLkKpvN1bXn8wu49sb0o1tir/OnbFvJsp21hvhdYPiWhSDJSRP3cCzQ2g6B+cCPp7RpFpdL2kNp0zI= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=LWR6Bfz/; arc=fail smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713410331; x=1744946331; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=0b3qDY01n6djr0T2tgkSzS79l16uRhXB0uehEfOez44=; b=LWR6Bfz/bH00Y2DUeSMGkOFlfTOQhxmFr6iZ3VsMb/GdujEdcmxex4W7 qj+jS9m6b/vfJ2L04HNhHt+/LgO/hZxBSZwr2ldPFIquN2DNxLX+aKYqb edgmyQW1azAAfbeCkQLyTlYm1js51Zh4Ed4GpTFIL8++CpNeln67SoRrn xK+SpzSF0B/0hg6YD1+H4UCeo4Xchah/o9Vvnww3oposiID3oNhKJz86H i/JlKqj3+NYv9JUE170Ox2BVhAT8Fwjz3TyZC77zkvgSg9YHhbbbzoBWs 8OlAcG8zFDRW/XChl/LtANu4I8xZHngItqkmu+N9YtQR6WcSwoYSqC52O w==; X-CSE-ConnectionGUID: YoZOT/o7TC2UkwggCNKfjg== X-CSE-MsgGUID: hSE0XrM4StKNrHxC7VbzcQ== X-IronPort-AV: E=McAfee;i="6600,9927,11047"; a="8797883" X-IronPort-AV: E=Sophos;i="6.07,210,1708416000"; d="scan'208";a="8797883" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2024 20:18:50 -0700 X-CSE-ConnectionGUID: HjroCpaCQPOrvP1yQ0A7tw== X-CSE-MsgGUID: jgXrCGCURS+1YyAi9xmEzg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,210,1708416000"; d="scan'208";a="27465428" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by fmviesa004.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 17 Apr 2024 20:18:50 -0700 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 17 Apr 2024 20:18:49 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 17 Apr 2024 20:17:48 -0700 Received: from ORSEDG602.ED.cps.intel.com (10.7.248.7) by orsmsx610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend Transport; Wed, 17 Apr 2024 20:17:48 -0700 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.168) by edgegateway.intel.com (134.134.137.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Wed, 17 Apr 2024 20:17:47 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HwD2uQjk8Slsu6sYCrzeWi4zI/XNs/BlFvLP6vvccmYQcLqVIyUCtESY4RIc4nHoRZKQyfv2XwN/7VWLq+aqY5kR75Dg/VYL9kQRIQtuSRD3TDdj2N1TEOKd1s75zFCEiCvS+89YtErjvNd451yE17fhBru3q+76VFa9Ao7VSEMIGa02EdbzlOO6iap/vFgLtYcRnIhYysn5CuQoVR61tS9w1fqu9cLnMUkT+0EStUHfPRSn4fbuRq2P5iARmHqLzzMPvNynTGoMr4/OyKZLZh5G62lduL3+iXxhzGq/2wiPP7nKvsUQJAjaND/5gc79QhY1dUp+utLatce7824fVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=o4vG5hIJDAm4LaERd0FKhMI1S7EzeTLcm9LTfq4Z9Xw=; b=kObeeviKuB262BtKkhzZWppkDlIKF+2f8PNXl0Ov5Ke4IoZK/czhfzb1NBPWm4mJkMmTQDsjIzXXxamnKaC3JVO3QR4roJl6pqbVg80OAT5QitsCsAa+IcReYnJXqHd27A2qAJ1gb5a1bmYzdcvmOZmslglut9PksUS2HWMdwFhp1VzF6sz+G+0r60kR+27gSs/LFxG4vtOBxNyUX0ZWon3A2tcFkhESmA2C8rL0ZKkl3ODKrPzmK/Gya6d3444b6RxQOOC9rRJ9ssPGVcnAcNIC6+8kOO7NxpCk4xufYG5OtVd7XTsJiVP494ZVdyPRa3CQ1bbuopCNUeZ6i+Mi9Q== 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 Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) by CH0PR11MB5300.namprd11.prod.outlook.com (2603:10b6:610:bf::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7472.26; Thu, 18 Apr 2024 03:17:45 +0000 Received: from SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::d610:9c43:6085:9e68]) by SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::d610:9c43:6085:9e68%7]) with mapi id 15.20.7452.049; Thu, 18 Apr 2024 03:17:45 +0000 Message-ID: Date: Wed, 17 Apr 2024 20:17:43 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] vfio/pci: fix potential memory leak in vfio_intx_enable() To: Ye Bin , , , , , CC: References: <20240415015029.3699844-1-yebin10@huawei.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: <20240415015029.3699844-1-yebin10@huawei.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SJ0PR03CA0097.namprd03.prod.outlook.com (2603:10b6:a03:333::12) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|CH0PR11MB5300:EE_ X-MS-Office365-Filtering-Correlation-Id: db2ab49f-3521-4192-395d-08dc5f561e1b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ2PR11MB7573.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(376005)(366007)(1800799015);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?bWRCZW8rMDM2U2FVQXVSdjlUTmtSM0pVYkRMaVRWZnZ0U1BHVDlxVjhHdmo2?= =?utf-8?B?UG9lYTBNWEFkVnpkUFlwa0JqR1lvQUtXSXRmSVE5OElkejlWU0RyZ2tySDRq?= =?utf-8?B?TDFSdHd6Y1pNOGZmZnlDQlY4MjZzdmdkNmpLbmF6ellKRFZtdlozNk4rMEdZ?= =?utf-8?B?cUMwOTJndElhVXBCc2paYnIxMnh0MFFKVWxIZmE2RWhpNW5hd2JYZDRIeko3?= =?utf-8?B?bElDUVFxZEtzcUNkZWQvVmc3V1BxVytBSmtOaU14eDF2S2p2dnlxRmRoZ294?= =?utf-8?B?UzQzbFRKNXZYWFVkbzU1aU9SOXoxS3lGR3M4ZmRvemh1RDNnRk4reFFhNzVT?= =?utf-8?B?N1piUTdFYzZiNU9XakRvaGdiY1NWT2YwUjNtcFVrUWJmQXNNRWdGdmpnaWF4?= =?utf-8?B?QlB3OGhBQTRaOXp6bTZHOWVoUHNIZm5rU2d3TXBNV1l6YXhSTnc2M3IwYngw?= =?utf-8?B?UWp6QTluWWNXYXYrQm56VmFJbWoxN1hRU1NKeVBYd2tnUUUxYnRGMXdhZ1M1?= =?utf-8?B?Wi9zc0JySm9MNktMdDZycEhmN0ZsbXUwYlF0TUVxWE1BVlJGNXN0VzBmN1du?= =?utf-8?B?cXZMVmFnTFVnSk5lZG9DVUhUaDMvdWRoRGdQMWFUd05YTVF0dVJVSDVNNnVX?= =?utf-8?B?YThFRW40eDMvZi8rejNkczZ6UEpESTI1VENDTDR4T0p5alJ2RHVzanNQUlRU?= =?utf-8?B?ZFpVK3VmVUZpUk1KdXc2Y0ZpNlFSaTZUaVJDSzRkaHZzL3FyYml5ODVwbFN5?= =?utf-8?B?WjlOc1J4MHhXY1Jtdk9ZcVFlZDdMdUVhQmZMQ05iQlMyUDNWaTF4Y3Vkbm9i?= =?utf-8?B?NlFwTlhPNG4xRnVHUUlkSVpXL3RsSStsUVc2dUhWcEljeHlmVE5tQ0luZy9B?= =?utf-8?B?K1VGaXMrbnI3SDQyVDMxS2hCODNBanMzM1FCTUk5a1N0N3J3amxGL2NORktm?= =?utf-8?B?Qkd4TnhJTTZ2QUx6eEorUWJ1bzk4UGpCMUNIcUU0clpyVjlOdGdHRXRqUHJL?= =?utf-8?B?ai81QUw2YlJjUzgyQjVsUUVCbzRTTDJhQndxS2ovamlxZ29rc0I3UEgzaFlp?= =?utf-8?B?Qk13L005L29qVzFYMUlxOE15RnZzQkNBcjRZd2ZybWZ5TGl5T3BLZUtVaXZw?= =?utf-8?B?cU9qQzRXVFdTTmpFRk9TOWhzaGYwQkx1TjlTZVExUW1kcFovb1R4M2cvNlE4?= =?utf-8?B?c05HdjVGSVByeEk4Vk9UMys1dGZ2QzhhdktqZ0RyR3I0SmRTTkkxRUMwN2tl?= =?utf-8?B?VkNYYzFzTjF5dXhFaDFmVTJnNTdhR0hoUTgyVkVJWm5sZDFBQ1FtUjgvbGxK?= =?utf-8?B?MHVjVDhYQ1kvcWVrdm9IMmUrdjdpUTJ5THlFSzROS1N1TjNmYkVlcFNqRjVY?= =?utf-8?B?WFJ0MFRtVDdkMG1MM0JObHdVWG5MTlk2OGg0TFRBek9LcU94VWFzRFFpcmZL?= =?utf-8?B?ekExVU1ndklTRndsWnNvSXJYNWh3cDFVSFJmZktuOHQvZ2w5ckw2eUZHUmsw?= =?utf-8?B?bTByMHZVM25kTjA2OFJnMWtISkxvVzJWUDF4MGRxNkJ0ekNqcGM2WkxyVkxJ?= =?utf-8?B?azlUbXIvalZ0Y1NuUDlvYWppbEZyczhxc09IVVQvd1ZpSVhhcWpuV3E4WFhy?= =?utf-8?B?L2NvMWJzMTBlZy9UZ29YYUhoeG1PQjdncjArVWZ6eW11VTRaQUowRnpJUGFB?= =?utf-8?B?Mk1NY0EySE1XSXY5Y3ZIbEhBaEtpcnNWaC80eDFjY3NrQzZaOXpDdy9DN1hn?= =?utf-8?B?cndNRkJ2aXhUVm5zdHloYm5pMHE0WmdFSlZmaE56Rkg0VWlEcG03NStGdzYr?= =?utf-8?B?TFcwSEhyaDA1Z0tjRHU5YVhoV0hSd2I5ZGhvNVl6KzdiN0ZFOHk2SUdrZkJZ?= =?utf-8?B?d2l6OUIwK2Z6NFRVS09rellQNklibGxQdWhBMVdSeVM1bnpWM3RuOHdzTkVj?= =?utf-8?B?NVRjOTcwVFRJYjBYQVQ3YlliN1daeWxqa3FRdkNSTnlaZk1zamNDbkxjL0Y2?= =?utf-8?B?L3NmY3IyQWU1emVRWmlEMkVzK1I2bFFHdXk2a0tWU2dCT1JSZTkyK1dOT1VZ?= =?utf-8?B?MndrZnBVb0t2R0V1QmxDKzNsNkhDWW91c2tBcWgwMWJCcTRaOXphL00xTXRs?= =?utf-8?B?N01UV1k4RmJWMnhhMEFJcU9RU2pNSEw2eWlpMWViNDBZOWI3QnFsbDFJZk82?= =?utf-8?B?MFE9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: db2ab49f-3521-4192-395d-08dc5f561e1b X-MS-Exchange-CrossTenant-AuthSource: SJ2PR11MB7573.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2024 03:17:45.7881 (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: EhrEt7uhMv+kZNRNB3/t3bZnkP19bzq6E9FFr9M3ssFShz38K9wKcR7Dygb1yswjatJstviAB0wMYWnyWA2iXoZne1dVuvAUFKcdmmFBAt0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR11MB5300 X-OriginatorOrg: intel.com On 4/14/2024 6:50 PM, Ye Bin wrote: > If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak. > > Fixes: 18c198c96a81 ("vfio/pci: Create persistent INTx handler") > Signed-off-by: Ye Bin > --- Thank you for catching this. Acked-by: Reinette Chatre Reinette