Message ID | SG2PR01MB21691166E8B05DC64F8C0277ADBC0@SG2PR01MB2169.apcprd01.prod.exchangelabs.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <dri-devel-bounces@lists.freedesktop.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B84A014E5 for <patchwork-dri-devel@patchwork.kernel.org>; Tue, 18 Dec 2018 08:12:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A85B32A550 for <patchwork-dri-devel@patchwork.kernel.org>; Tue, 18 Dec 2018 08:12:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9B6D52A561; Tue, 18 Dec 2018 08:12:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.3 required=2.0 tests=BAYES_00,FORGED_HOTMAIL_RCVD2, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A8F0B2A550 for <patchwork-dri-devel@patchwork.kernel.org>; Tue, 18 Dec 2018 08:12:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 62FD46E8BA; Tue, 18 Dec 2018 08:11:59 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from APC01-PU1-obe.outbound.protection.outlook.com (mail-oln040092254021.outbound.protection.outlook.com [40.92.254.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id 842836E412; Mon, 17 Dec 2018 11:52:52 +0000 (UTC) Received: from SG2APC01FT026.eop-APC01.prod.protection.outlook.com (10.152.250.58) by SG2APC01HT160.eop-APC01.prod.protection.outlook.com (10.152.251.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.1446.11; Mon, 17 Dec 2018 11:52:49 +0000 Received: from SG2PR01MB2169.apcprd01.prod.exchangelabs.com (10.152.250.59) by SG2APC01FT026.mail.protection.outlook.com (10.152.250.190) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.1446.11 via Frontend Transport; Mon, 17 Dec 2018 11:52:49 +0000 Received: from SG2PR01MB2169.apcprd01.prod.exchangelabs.com ([fe80::d0ff:3cb2:797:ea71]) by SG2PR01MB2169.apcprd01.prod.exchangelabs.com ([fe80::d0ff:3cb2:797:ea71%4]) with mapi id 15.20.1425.021; Mon, 17 Dec 2018 11:52:49 +0000 From: Yang Xiao <YangX92@hotmail.com> To: "alexander.deucher@amd.com" <alexander.deucher@amd.com>, "christian.koenig@amd.com" <christian.koenig@amd.com>, "David1.Zhou@amd.com" <David1.Zhou@amd.com>, "airlied@linux.ie" <airlied@linux.ie> Subject: [PATCH] drm/radeon: avoid a possible array overflow Thread-Topic: [PATCH] drm/radeon: avoid a possible array overflow Thread-Index: AQHUlf8IwR2HgS9qmUykasuruNg0LQ== Date: Mon, 17 Dec 2018 11:52:49 +0000 Message-ID: <SG2PR01MB21691166E8B05DC64F8C0277ADBC0@SG2PR01MB2169.apcprd01.prod.exchangelabs.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK0PR01CA0059.apcprd01.prod.exchangelabs.com (2603:1096:203:a6::23) To SG2PR01MB2169.apcprd01.prod.exchangelabs.com (2603:1096:4:43::9) x-incomingtopheadermarker: OriginalChecksum:47BD14F14A5C9305CE44E82E4338227D65939CBC6D34FEB36FC4282AB7908116; UpperCasedChecksum:BF6272DD0EB7F2EAC32F272D344B68E94C81EEE8D19B235CB96D138F94AB8C76; SizeAsReceived:7660; Count:48 x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [JE/cAVEfvXyr6woVgixnY5e8rR0A6gawAUlQrRSF72k=] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; SG2APC01HT160; 6:STLPToK41vWHmY0NR6CELIoIyT8Qr5eUqu7SsoLlgp4aoV41RNnpgC1CbW7RVy8bl/LxZNxI38V8BQ6D1RvR+gBiFcoJ+doM807U6E2NPXj7QoyVcKRutZqzOmc789rCgz+Q+WSjI3/JaufrRr4GnNxSk0e9tecsVMvCHiioOu98SFgUNmF+BNa42NIPiGO4AJpIea8bc9LZhERVJ9L5XI7EB8a7iDJYfAVJG0ewE5QbZ6ZE3YY+3g1oyPDc+yDnYrlb/NUelNiNjv9AT5UBnQcKiaAVhqoRR/NJABouHnNV30VgIGCq8a/4LWcRIwTpvLPQW5NMcn+MCqC/bal6Rj0OLvTPcbXlXnk97EL9eLM+zN/pXGD8hFECd5VrF22o2FvNP9w5j9OVV68UMe45Ed4Pk0s1F1ttxUk9x+PKdRsLudPZ2IobH8OlSIxr5hXN03TueIfzeL4WlgvIhb5Mvg==; 5:dofKti6LUASbPzgXH9zSIpAESEMMvI+q5ak9P4dbKvc9Ov4+KtLj/P5NGgbPBt3o12mN7oaaMeKw4gyBQ5t5nB/l2pbMX7VjztwW9VmX80sWrw+ITNzUgzsaqYnZMYvUasbiX6V3ZCWKOkl07E6E++XhouhhY3CxtA/SwEibAP0=; 7:Iogt0aIVCP8Ik4Xls7rioEzEpEHpQ/7MjH7rhlwK4yb45aFJI6krXE6UDerUF67JFpBry73hh74h9FO69ahyBHX83dtEBsUrNBbMu3hvbIfyKBMGAQXWy/aEMqKtLfGmQ7uViVdE5z8/dW7IG+mPdA== x-incomingheadercount: 48 x-eopattributedmessage: 0 x-ms-exchange-slblob-mailprops: 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 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(201702061078)(5061506573)(5061507331)(1603103135)(2017031320274)(201702181274)(2017031323274)(2017031324274)(2017031322404)(1601125500)(1603101475)(1701031045); SRVR:SG2APC01HT160; x-ms-traffictypediagnostic: SG2APC01HT160: x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(4566010)(82015058); SRVR:SG2APC01HT160; BCL:0; PCL:0; RULEID:; SRVR:SG2APC01HT160; x-microsoft-antispam-message-info: HqnkC1TakZwIdB5gs9kHzdamx6TDFL/RPTAGfQYBRU+mbGWAFMVFRtheYrCwTrno MIME-Version: 1.0 X-OriginatorOrg: hotmail.com X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: c001924d-3e68-4f40-89c2-901a49278da7 X-MS-Exchange-CrossTenant-Network-Message-Id: 16054d3c-5ce8-44f3-35ca-08d664162ab1 X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: c001924d-3e68-4f40-89c2-901a49278da7 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Dec 2018 11:52:49.0730 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: SG2APC01HT160 X-Mailman-Approved-At: Tue, 18 Dec 2018 08:11:56 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Cc: Yang Xiao <YangX92@hotmail.com>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, "amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
drm/radeon: avoid a possible array overflow
|
expand
|
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index f422a8d..9121961 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -583,6 +583,12 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) ATOM_DEVICE_CV_SUPPORT) continue; + if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) { + DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n", + con_obj_id, le16_to_cpu(path->usDeviceTag)); + continue; + } + /* IGP chips */ if ((rdev->flags & RADEON_IS_IGP) && (con_obj_id ==