From patchwork Fri Oct 14 10:03:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "yekai (A)" X-Patchwork-Id: 13006888 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68B8EC433FE for ; Fri, 14 Oct 2022 10:09:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229518AbiJNKJa (ORCPT ); Fri, 14 Oct 2022 06:09:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230162AbiJNKJM (ORCPT ); Fri, 14 Oct 2022 06:09:12 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D70695A2DC; Fri, 14 Oct 2022 03:09:03 -0700 (PDT) Received: from dggpeml500023.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MphnN3xDPzmVPw; Fri, 14 Oct 2022 18:04:24 +0800 (CST) Received: from dggpeml100012.china.huawei.com (7.185.36.121) by dggpeml500023.china.huawei.com (7.185.36.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 14 Oct 2022 18:09:01 +0800 Received: from huawei.com (10.67.165.24) by dggpeml100012.china.huawei.com (7.185.36.121) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 14 Oct 2022 18:09:01 +0800 From: Kai Ye To: CC: , , , Subject: [PATCH v2 1/3] crypto: hisilicon/qm - increase the memory of local variables Date: Fri, 14 Oct 2022 10:03:17 +0000 Message-ID: <20221014100319.5259-2-yekai13@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221014100319.5259-1-yekai13@huawei.com> References: <20221014100319.5259-1-yekai13@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml100012.china.huawei.com (7.185.36.121) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Increase the buffer to prevent stack overflow by fuzz test. Signed-off-by: Kai Ye --- drivers/crypto/hisilicon/qm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index e3edb176d976..5d79e9f0e7e1 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -250,7 +250,6 @@ #define QM_QOS_MIN_CIR_B 100 #define QM_QOS_MAX_CIR_U 6 #define QM_QOS_MAX_CIR_S 11 -#define QM_QOS_VAL_MAX_LEN 32 #define QM_DFX_BASE 0x0100000 #define QM_DFX_STATE1 0x0104000 #define QM_DFX_STATE2 0x01040C8 @@ -4612,7 +4611,7 @@ static ssize_t qm_get_qos_value(struct hisi_qm *qm, const char *buf, unsigned int *fun_index) { char tbuf_bdf[QM_DBG_READ_LEN] = {0}; - char val_buf[QM_QOS_VAL_MAX_LEN] = {0}; + char val_buf[QM_DBG_READ_LEN] = {0}; u32 tmp1, device, function; int ret, bus;