Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp1004464imm; Sun, 2 Sep 2018 06:35:21 -0700 (PDT) X-Google-Smtp-Source: ANB0VdbZYMhJtStVbaWQMD9ODRHCExrxEHVXET4NTDZUQJjCwzcIGAz18OG2ZliY9/ftxmPzVGMo X-Received: by 2002:a17:902:7287:: with SMTP id d7-v6mr24331740pll.54.1535895321013; Sun, 02 Sep 2018 06:35:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1535895320; cv=none; d=google.com; s=arc-20160816; b=r6wyA4BjUbSw9k5sspghudAxAX5Qq8HbuskVJpknYw7NI3h8iguxEsg7M+IW+0P8ng ThBUYWjEKR0zhi2pWhvhjyA0F4qvkWFUEHec8XJ0phghxeZ7vBSsisf4joSeMLTZJa77 sB7cPYwcq5aOMTgrqOGj2PiP8O51jzNgfiIo5PR4a6PHdOEzolmcL+EkONqxBRgBDsdx 2UMZceifCjjpJQtL5y9TBx5oG+r7pPjHiq8I4zN7NheiFc6Rwi4Vlfdu7R34yWgoUWC1 mNS2oKVoYR6bH8H8O+0VsIcjiwbx6CPSHzclkMy/3Ic4xkY3q0guhJ0JbD2ZqFXvjoj0 btBw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :spamdiagnosticmetadata:spamdiagnosticoutput:content-language :accept-language:in-reply-to:references:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature :arc-authentication-results; bh=wphOC7OYj7eEYUFMTbV6oGDyKHNrEMlZaOwHpiBsdlE=; b=FmcOhbEBBuGqTCchXe/I56A7+gf6ZtCe7z3lpO9UFja4wU08xc8gGVxLMl4TF2HKyt GTuRMdmNkXeOtVdWzD/YRMTPhvcgQIacrkZdk2Q9qFuADWe4KKeoEVRXXI9g7qk0L4KG +gETbyVHBfA2+WpEwclFZpk32wMTuyhMNAtMQXUtg6lzY8hw53eBfJxbVk8TTdFogmVT dkCXumVzyeq6OT8lVcN+i81SLixsNyBUJA3oHE+ILDDNLBMskgLLlDgpzMy4rR+S7lZZ ZRL/hBYmyto9PQpvCOw07unjYRqWgX/PgYRB2X9qOJuX52xZNXFDAhe1FqYGc95Jskf7 CQkA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@microsoft.com header.s=selector1 header.b=nhu6yizZ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=microsoft.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x19-v6si13846304pgf.477.2018.09.02.06.35.05; Sun, 02 Sep 2018 06:35:20 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@microsoft.com header.s=selector1 header.b=nhu6yizZ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728223AbeIBRUm (ORCPT + 99 others); Sun, 2 Sep 2018 13:20:42 -0400 Received: from mail-eopbgr680109.outbound.protection.outlook.com ([40.107.68.109]:62112 "EHLO NAM04-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728001AbeIBRUl (ORCPT ); Sun, 2 Sep 2018 13:20:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wphOC7OYj7eEYUFMTbV6oGDyKHNrEMlZaOwHpiBsdlE=; b=nhu6yizZzURvwLj7N9THwk+nKzep0GMBXg0/37CFw8vZHiurvcKSGcq2CusjX3xSrZLwRKXS09hYFLNyL4V/nqVYBDL6N1Arvbc/C8rw4QXylKvzRzGgEyOq9bPASHtl2eTX09+w0R+4GfZBg8nyQD07yqiPpkTmzWyTYeP3RYs= Received: from CY4PR21MB0776.namprd21.prod.outlook.com (10.173.192.22) by CY4PR21MB0741.namprd21.prod.outlook.com (10.173.189.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1122.2; Sun, 2 Sep 2018 13:04:54 +0000 Received: from CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::7c3a:eea8:1391:1611]) by CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::7c3a:eea8:1391:1611%7]) with mapi id 15.20.1143.000; Sun, 2 Sep 2018 13:04:54 +0000 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Anton Vasilyev , Mark Brown , Sasha Levin Subject: [PATCH AUTOSEL 4.18 075/131] regulator: tps65217: Fix NULL pointer dereference on probe Thread-Topic: [PATCH AUTOSEL 4.18 075/131] regulator: tps65217: Fix NULL pointer dereference on probe Thread-Index: AQHUQr2Bs+3VPWSqD0i75bJgHkdq3g== Date: Sun, 2 Sep 2018 13:04:39 +0000 Message-ID: <20180902064601.183036-75-alexander.levin@microsoft.com> References: <20180902064601.183036-1-alexander.levin@microsoft.com> In-Reply-To: <20180902064601.183036-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;CY4PR21MB0741;6:A/qBqaEjrn++H1qHspYqxGy7qKv1rAB9U2rsCMzUZDjWgWwgKubyucSk6yxqtUg1cKpYZq677O0y1gP/5eLfuPgNwp+ZCmtMtdHD6TyxAIm26J2cVW4qAcUMtzfL3n3kPfrDBamxT8Na38mf9GFJVFY+ja8whpx5BVVjfDtd/GMNxtHBAsXP1OnXL9mVedFIjEHk4mzzkEkKDZGgzy0QpT6trzYGUc3tPCyFnl0PTJnT9OfNJyjgxC7g+bro5bsnKE1kGE6kCaHRizY3Zg3Wf6eiAY3AIhtLmho2qjyJj7ZwHMqD5YfgEa+XJHVrC1ldLwTFCVZBzwrKMMubgQXg1u7Lq5S6uBDmK34VnPvFWOQgeKV6PWAwkpyVgsQF8wVgEHleqFdlP6FHcrcNffoCsm+6qza+xlgX8vmWC+h8IOupfZ7XQ8SR+wtUC14YlljJ3K/OKwuP3/Kfwx5iiX3gJw==;5:Jvfr6O9cBYsz72O/9RaAcIGtclVWSi5S1moPG+Hcn7ioomKGyJGfNy85HtDSnxPbor59bA1dGofvu8kJVk05iqDta/5LHMArQXgxYxBud4q1dnO7OsIWcSanf74ivJa0ZNeLeyoK0ZEwgI6utAw50ohke5iaVHgTgm2y57K0CGU=;7:wU/zdWDJhb96Br6OFRXBJ2dDhSwf25hUTSrBrL2lDTjTaKMmZvMiXclcHtPUHWX10aKncMN5Hf2GDCRfnoajOjBSpfuzu7Uhq5TdpY7Qsl+pRBJj3YUjc/Zgt3ttZkQ/8n5yaYk0CxpDddGbB/bTMBOaGiaNLT+GxpDdVji3HpDIaIP1Ex0lfs66yVAd+3NvE+/lg1ky9OsU/uFlAo6fhgfnmOSdcdKlwK3DlahqM1Ri2wVYuQcoMtCHPacE2G8A x-ms-office365-filtering-correlation-id: 3dae98fe-083b-4436-f936-08d610d4ad59 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(4534165)(4627221)(201703031133081)(201702281549075)(5600074)(711020)(4618075)(2017052603328)(7193020);SRVR:CY4PR21MB0741; x-ms-traffictypediagnostic: CY4PR21MB0741: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(10201501046)(3231340)(944501410)(52105095)(2018427008)(3002001)(6055026)(149027)(150027)(6041310)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123562045)(20161123558120)(20161123564045)(20161123560045)(201708071742011)(7699049)(76991033);SRVR:CY4PR21MB0741;BCL:0;PCL:0;RULEID:;SRVR:CY4PR21MB0741; x-forefront-prvs: 078310077C x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(366004)(39860400002)(136003)(346002)(396003)(376002)(199004)(189003)(97736004)(2906002)(186003)(26005)(256004)(4477795004)(14444005)(102836004)(11346002)(25786009)(476003)(486006)(2616005)(446003)(305945005)(66066001)(5250100002)(2501003)(7736002)(6506007)(8676002)(68736007)(76176011)(6666003)(99286004)(6486002)(105586002)(81156014)(81166006)(53936002)(5660300001)(22452003)(478600001)(6436002)(86362001)(14454004)(54906003)(36756003)(106356001)(110136005)(6512007)(4326008)(107886003)(217873002)(3846002)(2900100001)(316002)(8936002)(1076002)(10090500001)(6116002)(72206003)(86612001)(10290500003);DIR:OUT;SFP:1102;SCL:1;SRVR:CY4PR21MB0741;H:CY4PR21MB0776.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: 1CnyxEtXqvzSbFjYZCVIwqqfOGq6c03kauZ1DrIfTeA07zORQDxOsgIKOdAvIFDKzP4a08wVbk+ZdiAHzeO2dOa7ubkN7NiEQscqkhJeMVvuvlWuaDEf6s04NQCV+Gq1v1slqqOzNd+Shur/idlTbEdhS5Bp7GeU360eq2W3t4T4a8G1D4Oh0nmhXX2I9DCnxbrDJqF0p24PBoQ77PUqQEmCIlzVpXLyzSrn3e8q42Mo84+F23TQSlWf+neI2KT6iITz08DupF/H71k75ZTknDg9lpKZ7C3v3JaukUL0c+YB+w+Yj4m69mhPKAYK9YUhfS1XNX/tqyprXnPOu9yrNP55jBiSgUW6IVN1ONXCt5w= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3dae98fe-083b-4436-f936-08d610d4ad59 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Sep 2018 13:04:39.3372 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0741 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Anton Vasilyev [ Upstream commit 4f919ca2bf6da826ba1a4316e1b8e9c94e5dbeb2 ] There is no check that tps->strobes is allocated successfully in tps65217_regulator_probe(). The patch adds corresponding check. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/regulator/tps65217-regulator.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps= 65217-regulator.c index fc12badf3805..d84fab616abf 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -232,6 +232,8 @@ static int tps65217_regulator_probe(struct platform_dev= ice *pdev) tps->strobes =3D devm_kcalloc(&pdev->dev, TPS65217_NUM_REGULATOR, sizeof(u8), GFP_KERNEL); + if (!tps->strobes) + return -ENOMEM; =20 platform_set_drvdata(pdev, tps); =20 --=20 2.17.1