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Miller" Subject: [PATCH 06/22] crypto: s390/aes - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:19:54 +0300 Message-Id: <20200807162010.18979-7-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> 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 16:21:49 +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: cfe6a72a-e408-4c51-8bc5-08d83aedfd80 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:4941; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: g/PCkoMd0af76YS7jWZejJkp33gEgXWqNkYIQWVO8VUQxzq+1fXEC6OB6jt9YTvowgHnv7fGTvKAr6gSbBexQfYcm6P5e3NUQhWzVUBccJ583WJo1Rr2vjJxfLj7uZLrfh9+PipT67fkWRTGkRr1Hc9K9Cg90epzfoJKEmol34FqbEd0GNoe6XyHFU9f5BIsvv3zeW59aAOSd5Wm7aHY/rfoL9A5ZrjLN/+cf2Fd1UZTSvOX1iMCgOBHvz6V8uCYZDxH4BDyFydOLE+RnVbjlKIR19+yMEpwAYvi0EwlhmXQREwBxwsqp0v70y0uTlHrgWmxDjtNBKdIGcESI8WOkA== 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)(7416002)(54906003)(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: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: cfe6a72a-e408-4c51-8bc5-08d83aedfd80 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:21:51.0014 (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: CBmdYFxa54fj5jfShT5KzqId889iqWDSIlEUKYwxlF/yRX60pXnFSKaheR1hxY6XwbCmSGxDGAnkAaBgGIaU7g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200807_122158_319607_54EC03E3 X-CRM114-Status: GOOD ( 11.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, Andrei Botila , Vasily Gorbik , x86@kernel.org, Heiko Carstens , linux-kernel@vger.kernel.org, linux-arm-kernel@axis.com, Christian Borntraeger , linux-crypto@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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. Cc: Heiko Carstens Cc: Vasily Gorbik Cc: Christian Borntraeger Signed-off-by: Andrei Botila --- arch/s390/crypto/aes_s390.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 73044634d342..bc8855f4b7d1 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -437,6 +437,9 @@ static int xts_aes_crypt(struct skcipher_request *req, unsigned long modifier) u8 init[16]; } xts_param; + if (!req->cryptlen) + return 0; + if (req->cryptlen < AES_BLOCK_SIZE) return -EINVAL; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel