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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 , Russell King Subject: [PATCH 02/22] crypto: arm/aes-neonbs - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:19:50 +0300 Message-Id: <20200807162010.18979-3-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 16:21:40 +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: 5dd710cf-d7d7-4c85-3de8-08d83aedf820 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: LthyH42flG5qJ2te0vBSvbqOdj5vv1e0aYWom89W4VYfNdlYnqoZmxiiXlyYn+OB4qTaabN7KFnWYMCNl2I6Q4rcCrzrNJ2wV00r+KrO5HYYh9jsX3PG2w+9R7BXG7mfxlnirwC/EDBX9B9zS4a2EWoQbpYpdc1aRJFZP2zmZDGYXBiM77ZjBSN0SohIy3cmHH9R5r5TcaI3NX0iJhjH3v9e/fC9nuK1Aw6ZDyFoUasosWp46+xFWkJQGkw3KIitFGykfh//4B8S+qSfVeltR39x+buEXT6QDfv3fGt11ve++bTHcjrcubXzRePt0BC7H+gOUwQz3kXmJzOQHbwmVg== 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: 5dd710cf-d7d7-4c85-3de8-08d83aedf820 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:21:41.9466 (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: 2SCpwSsM6gFv54KWxIaAPht6fKO3rygBtSxt2oX8N+H/N3w1QfiLpq+KX91aRX4r+gmXi0iVerTNb804t+lOcA== 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. Cc: Russell King Signed-off-by: Andrei Botila --- arch/arm/crypto/aes-neonbs-glue.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/crypto/aes-neonbs-glue.c b/arch/arm/crypto/aes-neonbs-glue.c index e6fd32919c81..98ca6e6cca90 100644 --- a/arch/arm/crypto/aes-neonbs-glue.c +++ b/arch/arm/crypto/aes-neonbs-glue.c @@ -339,6 +339,9 @@ static int __xts_crypt(struct skcipher_request *req, bool encrypt, struct skcipher_walk walk; int err; + if (!req->cryptlen) + return 0; + if (req->cryptlen < AES_BLOCK_SIZE) return -EINVAL; -- 2.17.1