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Miller" Cc: linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, x86@kernel.org, linux-arm-kernel@axis.com, Andrei Botila Subject: [PATCH 18/22] crypto: hisilicon/sec - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:20:06 +0300 Message-Id: <20200807162010.18979-19-andrei.botila@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200807162010.18979-1-andrei.botila@oss.nxp.com> References: <20200807162010.18979-1-andrei.botila@oss.nxp.com> Content-Type: text/plain X-ClientProxiedBy: AM0PR04CA0075.eurprd04.prod.outlook.com (2603:10a6:208:be::16) To VE1PR04MB6608.eurprd04.prod.outlook.com (2603:10a6:803:125::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv15007.swis.ro-buh01.nxp.com (83.217.231.2) by AM0PR04CA0075.eurprd04.prod.outlook.com (2603:10a6:208:be::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3261.15 via Frontend Transport; Fri, 7 Aug 2020 16:22:16 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [83.217.231.2] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: c92cabd4-f26d-4967-8b8b-08d83aee0d63 X-MS-TrafficTypeDiagnostic: VE1PR04MB7359: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: PSGAs9lp7PJCKh3MADvF0nhZkrX38D+yILfGP5XBeuscTYG3PaBVcpc0980En7ypYH+fpq1WqpPz/v2vVucKw7+qg/IKmx30C5MabRc7b8WdmKsqUmwtNl5AsM/MMooUH4LJ3ZSZGpAMU8KC5bmSQcPcSL0VLe4eGvph8GMVqoLhLKO+58ed8XmrlDnnug0ZXa9BT8PxN5OnIy58g0NA40dUXhcXlqMOpsVz20ckbB0APbgjSBePDhx1J3MYh99i13gs1W6ZUX4EA694krVSKdIs40rIp4AMiXkvH2sMtBpwp9JZOzZKBMmS86e9WWs7JPAYjgWhEJP24ZMBlq7WVw== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VE1PR04MB6608.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(39860400002)(366004)(136003)(346002)(396003)(376002)(44832011)(66556008)(66476007)(110136005)(1076003)(6506007)(4326008)(66946007)(83380400001)(8936002)(316002)(26005)(956004)(186003)(16526019)(478600001)(4744005)(86362001)(5660300002)(6666004)(6512007)(2906002)(8676002)(2616005)(52116002)(6486002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 0VeR+p+kLa+tRpi4V32BAc97ii6PbCqu5fEo5kNd1WbA3lFTn/v8+eS8nGeGbVeJEvCepYT5izGxZXNg+OQk23Vl2cL/37YtBILZ0nlPw7KiXG1s/c2i4U8uUaL2GIklGWgCpHkOvGrj7lrlWZDa4ORTNb9L21hd7YvaT836yc6kKgky0EjFTMoqEvEzOdB4HyMjX65Jqly2Ioyy2E/zbCpPxGIjR+KIB7emtQEew7U4T9bMje2POT4mGIxD7SFZkjcSuvnYiOmkpCeF87yJ99VfO4fSp+gKoiIgSYzcQ2DNyXwHe85h8bmeOA8akGgnnNp4EaFZ+sm8tYRzS3yuqnV2nbaSvE3e9B3MPH6mUqzAtOru4H7BRpWlM0/A2YrhSl7c/VzrxM0u+jvAz3YdAq4gOgU8dPD+5oOOPMfDsqqTK950uI3xgI1jBkUZ0mvi1M0H2o4AC5p75W9YDZqsat86xTEDlDfNtbEwesqCBOQmJSDasE024Iboryw3DMXSXTR1qMpdMTjF9GFzYSZNERSlj9ozSOd4u684QitkUkq4GNX9PA3Vtz+LNVsZeJqP7Z7sd8CYQUdm20ptqJbb5iBgsL3ipyugjlFeJjpWOiXgHuwMPmZZBCOI4jcCGrhwDBxyBZjau8lfu5+xCz5EbQ== X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: c92cabd4-f26d-4967-8b8b-08d83aee0d63 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:22:17.6408 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3YcZ2+4mD4xFfVnlxOhMhVLg8PFcTdQe6TALO5lNQbsp8dDJ5LuzQOZbIIo7GeoLIrqHzW2Ty2uF+IvEcy6W6A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Andrei Botila Standardize the way input lengths equal to 0 are handled in all skcipher algorithms. All the algorithms return 0 for input lengths equal to zero. Signed-off-by: Andrei Botila --- drivers/crypto/hisilicon/sec/sec_algs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c index 8ca945ac297e..419ec4f23164 100644 --- a/drivers/crypto/hisilicon/sec/sec_algs.c +++ b/drivers/crypto/hisilicon/sec/sec_algs.c @@ -723,6 +723,10 @@ static int sec_alg_skcipher_crypto(struct skcipher_request *skreq, bool split = skreq->src != skreq->dst; gfp_t gfp = skreq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL : GFP_ATOMIC; + if (!skreq->cryptlen && (ctx->cipher_alg == SEC_C_AES_XTS_128 || + ctx->cipher_alg == SEC_C_AES_XTS_256)) + return 0; + mutex_init(&sec_req->lock); sec_req->req_base = &skreq->base; sec_req->err = 0; -- 2.17.1