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Miller" Subject: [PATCH 04/22] crypto: arm64/aes-neonbs - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:19:52 +0300 Message-Id: <20200807162010.18979-5-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 16:21:45 +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: fa1fcf7b-bd37-486d-5677-08d83aedfac5 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:5516; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: qnOkP+mtiuyFK3Ar4lYwASTBLMs5VIovTWz+3PriHcxpSmWHnYmjkw6CneDNFX2qWuUM/6CTVFpATtxHVfF7vHIeVzB0jaEx+IXGQY+k0W/eYmOP2o9I1wuunV5Onl2LBA7krqsAMTondwJUeR6QC6e1ddZ1O4Xz3oaBGsy0lib/htjI99Lp2tgoetGWPgjJPxYd5n3bBdwRlX3bsLSYk36PDwXfBsKul9vj0ii8liJtz8Hg+oBPVJDj0PBv5IQQ7kNbPp/kMaO9tvJZBNiTL0aRQaG43y9WkhLoc/DWSiWqDwC/tSaN6IUZt7FpuQYzu7ilZGji3sJa6CsqGg+HLA== 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: fa1fcf7b-bd37-486d-5677-08d83aedfac5 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:21:46.3750 (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: gpyozUUlEUH2XUmrXhZJcC0qK7Z1gwrmvrsVWyovdENAx2OKCZ5pBgP68zjcWYf5grSidsL4U0XW+8o6Dm0tkg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 X-Mailman-Approved-At: Sat, 08 Aug 2020 10:06:29 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, Andrei Botila , Will Deacon , Catalin Marinas , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@axis.com, linux-crypto@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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: Catalin Marinas Cc: Will Deacon Signed-off-by: Andrei Botila --- arch/arm64/crypto/aes-neonbs-glue.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/crypto/aes-neonbs-glue.c b/arch/arm64/crypto/aes-neonbs-glue.c index fb507d569922..197bf24e7dae 100644 --- a/arch/arm64/crypto/aes-neonbs-glue.c +++ b/arch/arm64/crypto/aes-neonbs-glue.c @@ -330,6 +330,9 @@ static int __xts_crypt(struct skcipher_request *req, bool encrypt, int first = 1; u8 *out, *in; + if (!req->cryptlen) + return 0; + if (req->cryptlen < AES_BLOCK_SIZE) return -EINVAL;