From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (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 1B59A1DDDA; Fri, 26 Jan 2024 17:34:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=205.220.165.32 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706290456; cv=fail; b=WusrVwqEoS/2QNQVwzPDtHUm3BOLBPYr/WAA7W4YrjmcsnCTN5JJ/v1oAzeHAt/gWFoGzaBawOVd5kSlTvpBxeDWQN3MLYiCbI2vF1QLiT0RoOrWIc+t6FTpo+/w4sPuVFW4PQ4uvmPw5Gg5tyLrG2LvvfjC9+hBX7HfwpD3znM= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706290456; c=relaxed/simple; bh=7hofzuRhrZgtBbNbKevUGeZLHoDM6ZjpiMd2JV2RrLc=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=CC8ci1JDYllXIKttdCmZ0yNagJ94R1hZyMPJNAr1W7n5S+ShyaOwokdYVbnk9WZb/i3sAkwigdCan9jotb9ZixvUuTpCZfDrssvFyaaloCkgr9jMP7xnWrAqOEoGRjmzIlamMm8+FSGNPZTYUg7isPvqZAABPgpgn4MTQXd3h2Y= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b=ShEHh0fM; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b=ODJ6g016; arc=fail smtp.client-ip=205.220.165.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="ShEHh0fM"; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b="ODJ6g016" Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 40QEiSDH000765; Fri, 26 Jan 2024 17:34:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=corp-2023-11-20; bh=7hofzuRhrZgtBbNbKevUGeZLHoDM6ZjpiMd2JV2RrLc=; b=ShEHh0fMU4yX8rgBRJOtLFLi4vZq26af3Wu+GUr502IHiyZwPoGZqflXcOp+bCdY79h0 zZ7s1amtwuFw0P2gvTZ5SmAx9BBD0SZNmkOTl/6FLMQGQ4+30LTVul7c5QbEPea/UQM5 y/yjXb0C8KVVXlcA/h5Nvo/9b2IMlSoP9AO4tuCj7Ebz1NccBwKrPyosmSg64Fl9EelL mON1Zh1scY+arnSAmww92VnxW0G20Kisoed9U3h1etXLKr6LUXf4Zq/QSA30LRMnIGDv 7/DeR1RZVzHGzJ9m2cckBLC5tQzH8fZVzLC6RM3b7Rplb0LS3mGgFEayuxnTiFJpjx3v Dw== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3vr79ntu61-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 26 Jan 2024 17:34:06 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 40QFxcqp026074; Fri, 26 Jan 2024 17:33:58 GMT Received: from nam12-bn8-obe.outbound.protection.outlook.com (mail-bn8nam12lp2169.outbound.protection.outlook.com [104.47.55.169]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3vs31amejg-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 26 Jan 2024 17:33:58 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=neV0RJTYkpdV+SwTLTb5zwYRHHKlmnTL8DnjeJ+Yuw1J0nrjBdcPxUD5y2/YhgeTRQ+IK+LapuqmBzRKQtH2drDWmWEt5qeVW7G1+/r2pHb/Xrt+g1v4ARTtLT4v92XPXRqAiuq2M/9QnAcXGo3TNMmbdkzBJM2ZJSjVnTnnMrLBAU/2wv7XgZ0L8aHj6EKIC1S3H8ZD10GUvb7boDmYKcW8m9RZxngM5mcX9xccTX0jvtVTyhKcKv/GgUesBUdDr6mcJAqnIj4GQpgYMjTBwHwHyZiRt0J3KvDxoiKyWPpe31bDYSU9yxU0WXEbwBbQRfTabKEMVu3nvfXUMAJAww== 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=7hofzuRhrZgtBbNbKevUGeZLHoDM6ZjpiMd2JV2RrLc=; b=bM9645HTZUaG90jWSvvPdazvweDVD8B/d8yfo+XnkFR+WdFt5QnsSVZyh/W6yhGR+eSBloHfGIgpNGByAhotRg5QlElG9tNHqpD6aIXo752PZCxNc+VOzbIDp5R3QmnjsGwjCnHjPeDPyXwFCqV/oDqXvis3WN2go8v+wFlrHWNCiu3pvWIYgmS1TI+wO29zexD19qElAjR7p6NUwzJMOfObbkO3Wm7OqWycUWlI4UpnL1t/qzyzvqYVH1wkf8wA+gkxFl6QucnLmOzeiXxnwmdA10iWtgyLFYbJSVRU7XHYaQQi1zQxGd/OzHzSEV/6yUkOPCj5tUWn0XkFPZGURA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=7hofzuRhrZgtBbNbKevUGeZLHoDM6ZjpiMd2JV2RrLc=; b=ODJ6g016rg/ZvDJFzCy5igmDFgqszPyp1rLK03+aebiRWPYKK7rasnMJnwHwm8yLwCKUzQ6JaWK5hCU1MiLPj9QlyQgBd1iIyMnaDdqDwGGZ379c9fLmkpMXyW6wcsqqCp5Sl5khmWX+ljz+oVBMvgsk0+++F+3ULXRfyBT25Sw= Received: from BY5PR10MB4306.namprd10.prod.outlook.com (2603:10b6:a03:211::7) by DS7PR10MB5005.namprd10.prod.outlook.com (2603:10b6:5:3ac::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7228.27; Fri, 26 Jan 2024 17:33:55 +0000 Received: from BY5PR10MB4306.namprd10.prod.outlook.com ([fe80::8cde:f1f2:6ec5:fbe4]) by BY5PR10MB4306.namprd10.prod.outlook.com ([fe80::8cde:f1f2:6ec5:fbe4%7]) with mapi id 15.20.7228.027; Fri, 26 Jan 2024 17:33:55 +0000 From: Allison Henderson To: "netdev@vger.kernel.org" CC: "rds-devel@oss.oracle.com" , "edumazet@google.com" , "kuba@kernel.org" , "linux-rdma@vger.kernel.org" , "pabeni@redhat.com" , "davem@davemloft.net" Subject: Re: [rds-devel] [PATCH UPSTREAM 1/1] rds: Fix possible deadlock in rds_message_put Thread-Topic: [rds-devel] [PATCH UPSTREAM 1/1] rds: Fix possible deadlock in rds_message_put Thread-Index: AQHaUHzb3jJU0UeqsUe2ltVgmrhc/LDsWrKA Date: Fri, 26 Jan 2024 17:33:55 +0000 Message-ID: <64e84a6b3f7e2ac49e171a53b674ae97a6b86030.camel@oracle.com> References: <20240126172652.241017-1-allison.henderson@oracle.com> In-Reply-To: <20240126172652.241017-1-allison.henderson@oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.44.4-0ubuntu2 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: BY5PR10MB4306:EE_|DS7PR10MB5005:EE_ x-ms-office365-filtering-correlation-id: 0d5c221e-6fba-442d-bbd3-08dc1e94f8b1 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:BY5PR10MB4306.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(366004)(396003)(376002)(346002)(136003)(39860400002)(230922051799003)(451199024)(1800799012)(186009)(64100799003)(71200400001)(2616005)(6506007)(6512007)(558084003)(86362001)(478600001)(6486002)(6916009)(316002)(4326008)(26005)(8676002)(66476007)(66556008)(8936002)(54906003)(76116006)(66446008)(66946007)(64756008)(38100700002)(36756003)(44832011)(41300700001)(38070700009)(5660300002)(2906002)(122000001);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?Skx3TUxtYlBiL1Awb3R6eXIzNmJCZUVtTmVObzJaZzJXUTZ6dWhscmk2cmN3?= =?utf-8?B?N2RxZlRoSFovdGdlK2xLSkU4dk92ckl4TFVyKyt6Q3pNNCtoT3VXajhoUCtX?= =?utf-8?B?MENsR3U1TEswZ1ZmRTg3R3pTMEphQzBKaEtxbEU0aUJXTVpiMkt0Z2VKTnRi?= =?utf-8?B?djNjSkNGT3l3TW82QVdNUzZZZjZUVVFseTRFUXBDOUVFVUtsb1ROYjc0T21r?= =?utf-8?B?cDNIcURhM1lvbGNPejBsemFFYTJHTmdUblRvR3U2d0hhTHdqVElCM3RDY2Ru?= =?utf-8?B?OG5QeXhyRTM3ancvTkIvRC9lK0I2Sm00WkhmSHAyY2wvOWhqTnovWmRsYU9F?= =?utf-8?B?WkdkdEUvSkd2Qno1VXFqd1dxN09IS0FXSTNxSEQwZ2VTUGlRZHJCNGVvVWF5?= =?utf-8?B?ZEowRDdzSTRrRWJ0ZUhOUmsrNDhkYWJGTTUyZXRjc2xIeDFaNUdlTnZPeEoz?= =?utf-8?B?UC96b2YyNW5MTHV1dSsycWxscnh2SlFhYkpYSExaa0VrbWJURVJyRDF2b1pq?= =?utf-8?B?d0pCUTkrUWQ3MzdCSmpIeWhnbEpRUytDRjhYa0gveWl4b3RvUk9zTGc5N21D?= =?utf-8?B?VXYycjlEak1iQ2kvclpGaFZaSEFmd0JDcENNSzlUSGk3dTlIb1FzYTBpejlO?= =?utf-8?B?SDdqS2phdkl1bU1RQmJqZlBRUlVzOGxTVkVXWjJxaGwzZWpYWlI3V3UwNUg3?= =?utf-8?B?TEdrU2VOV1QvYkVMQ3draGhKWlQ2bjRQWGVsNGNkcWlYMEM1TG1qZXR4YjRH?= =?utf-8?B?ZFZodG85RTFyeS8vVis3U0h5VnhDN2l6bzhjcGlTSHZDZHhvdlhnSHBsVlVX?= =?utf-8?B?RXkxeEJlTmZBYUsvYkU5TE1nQUVNL2Ira0NkcHZBdE1HREtJdVVSK2NkaW1y?= =?utf-8?B?V2V5dFpQY3RkS1pBTU1QMll3NTdFZGY5aFo3NEhJQ3Q5M0NjRFhpelRrWHlH?= =?utf-8?B?YmY4KzBIam9WWG0yaFRnUWpycXBjT0FBTG5GMGhZWVh4K3ZqcUh0QUMvczlC?= =?utf-8?B?RVdNVUNNai80eEVjK3hjbEtMdVpmTjZYdWkrVjl5M1RYV2pUSXhEVUhReDRx?= =?utf-8?B?TXQ1K1RhTE1GbFhPVFNvUDlrZ1Zva2M1VGxoUm9SRloxdVhCTFR6YnpqTnB2?= =?utf-8?B?QXRrUSsyRDRyMXduQmtCVklhTGtQZVhLVzNlYWxZMzRwT1JyeWd0dlAyVUFu?= =?utf-8?B?b3BBTklhT1BWOFVLbC9TcGwxOUxydER4ZFBsY3RMOE5BS2tDWmFMS011dXNI?= =?utf-8?B?MW14TnVxWUVBd0srQ3lWS1NSMzVMOFFIdEFyaUpZaHlkM3grZ1lGWnlJNFFt?= =?utf-8?B?amdwRVkwZ3R6RnhqU3VtU1dSTjFEcDBFTnVhMGM5c0hDWFBQdTJ4YnVwZzJk?= =?utf-8?B?QW8zTmtXWGE4V01vYmZHTUtyYkhBNFV5bVdlbG1vRGRNcHhIQ014WVpPdGF1?= =?utf-8?B?ZVFtZGtDc1FFcmh2TmhKSFJ0bjA0NkZYeGFzMVcrcFZxaFlTZTNBOHdWN0VY?= =?utf-8?B?MHVGaWE0a0taczBMNm03L3JwTGlwYW11U1dxSW8yYmVvSW4wQTFVVjhwZUxa?= =?utf-8?B?MWM2M3hKaUhNazNDRUE4eFo1MktnUE44TWRKZ3c0cC9HUU1PTXhrRExjLzZT?= =?utf-8?B?dkJDanVXZ3J2cUFLUWVIVjJRYTlJRGlnb0ZPYXc1eVVMKzQ5QWMxY0psVHRT?= =?utf-8?B?ZFhQQm95c0RyL3pjMlV0eWJQYjFvYmJjZytFdGdKS0FvUGtYSkkvZXV4blBB?= =?utf-8?B?dy9obVlZMUJLRm5OR3kza24vNzVENllUZXAvNGlxMTR2NFlWTHlEOERCYWsw?= =?utf-8?B?cEsrbThjV3ZlVS9xSU13V09rS0pxNzNDcS9vWGtucTFQUW0wbVN5UGwzWjJp?= =?utf-8?B?VmZFaDhjSGtSSkJCM29jb2gvOU9sN0tCalpmck5wWSt5dDRoTVNHa2JCZjJU?= =?utf-8?B?VjBMaEUvcXlwa05ZQmFBV2RMS2NXcDJMTENwNFk3ZndqeW01TXluUVdSMjBm?= =?utf-8?B?Y00wcTNTdjNLbWF1MCtHQkFPc3NZSS9helFiVDdLQWtmRjZoVXl3TEsyRjFL?= =?utf-8?B?eDA2ODdRMm45aFI3b0QySDF0N0NOc21qK3BHbkxGcWtRZXNCdW93eVNJMmd1?= =?utf-8?B?Z1cwUVRrSk9DUCtIQlBTOTNxSEY4c0hRRU5xeW1RWEdjQXN0VlpGNG91S09Y?= =?utf-8?B?WWc9PQ==?= Content-Type: text/plain; charset="utf-8" Content-ID: <1A763EA94E2203479E9A7B21FF3D284E@namprd10.prod.outlook.com> Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: qQxAfaT4mkK/mleD4U3oYKOiSt/+iEFiqBjhnNEUQDuuR9KNmDuLZXBBrbX+N+449yPkavz64OXcBK69cx62Tkr0rEmGcAIOhgvunASPctPU7OyHhuhVeLDkdIaiodM2IJwtEJJspGixokLy29jORMHr71Bhiu+RKsnEmj9MrcoNvmGjlVJmz+R9iwm6MQ0lEymJTsg0opAMeuQs87u+zTlqEfRhRCnyKIZ171rGGPZBDEnPTL243QZqDa1zqdvH5Sb+XpyL5CUrYZnOIoQmIhqqGXJKRpYA+pwWLe6wHNfzeEmEnXXEd496m9S4RN6Ca5Tzc6mVt7aHLWZIbM1lhkTYRO2qVsRK+mjyAIQfwnxv7mYb4iRhtROev19aYXyziSdMNmQvcuI4m1CMtUy8NpwNhC6ZaQnV+A7k1OPUVfx+upOxxn304++6BJdcDvfeZSSkes8VqzzMWyY/LoftwlYx9aDY2GTGqC+MM3RP5eOFdZHFHUPDKBjc/3RbCxCu7/oIDA4TpB6FJLJdazY0NAz36awWfq3q3xEn+gmCCngBL1p3d1r0ROyElZU8p4qMrV0+TAPQ+zZDqKDM28PVaFlVji2TKVeEbr0AVNbUBB0= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BY5PR10MB4306.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0d5c221e-6fba-442d-bbd3-08dc1e94f8b1 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Jan 2024 17:33:55.5571 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: XZ0QVkApBMJivPqr767kOL5TjK7hdfdyLN6ynkPrQj4CJQeCBjxo+zNAUXM+BnlwVpsUVPgOU3fJXDq8vlp6jCSK7HJKgYtKrQfmDbNS5xI= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR10MB5005 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-25_14,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=820 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 suspectscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401260130 X-Proofpoint-GUID: APoDCFCu_YPRLybPXhhWI2q85rizDFlV X-Proofpoint-ORIG-GUID: APoDCFCu_YPRLybPXhhWI2q85rizDFlV T24gRnJpLCAyMDI0LTAxLTI2IGF0IDEwOjI2IC0wNzAwLCBBbGxpc29uIEhlbmRlcnNvbiB2aWEg cmRzLWRldmVsDQp3cm90ZToNCj4gW3Jkcy1kZXZlbF0gW1BBVENIIFVQU1RSRUFNIA0KT3Bwcywg dGhpcyBzaG91bGQganVzdCBiZSAiW1BBVENIXSBuZXQvcmRzLiIgQXBvbG9naWVzIGZvciBjb25m dXNpb24NCg0KQWxsaXNvbg0K