From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3012145BDF; Sat, 26 Oct 2024 12:26:19 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0360A40665; Sat, 26 Oct 2024 12:25:59 +0200 (CEST) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 542A840298 for ; Sat, 26 Oct 2024 12:25:48 +0200 (CEST) Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4XbG2h6C17z10NpH; Sat, 26 Oct 2024 18:23:40 +0800 (CST) Received: from kwepemf500004.china.huawei.com (unknown [7.202.181.242]) by mail.maildlp.com (Postfix) with ESMTPS id B14F41800DB; Sat, 26 Oct 2024 18:25:46 +0800 (CST) Received: from localhost.localdomain (10.28.79.22) by kwepemf500004.china.huawei.com (7.202.181.242) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Sat, 26 Oct 2024 18:25:46 +0800 From: Jie Hai To: , , , Akhil Goyal , Anoob Joseph , Gowrishankar Muthukrishnan CC: , , , Subject: [PATCH v4 05/13] security: replace strtok with reentrant version Date: Sat, 26 Oct 2024 18:14:43 +0800 Message-ID: <20241026101451.29135-6-haijie1@huawei.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20241026101451.29135-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20241026101451.29135-1-haijie1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.28.79.22] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemf500004.china.huawei.com (7.202.181.242) X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Multiple threads calling the same function may cause condition race issues, which often leads to abnormal behavior and can cause more serious vulnerabilities such as abnormal termination, denial of service, and compromised data integrity. The strtok() is non-reentrant, it is better to replace it with a reentrant version. Fixes: 259ca6d1617f ("security: add telemetry endpoint for capabilities") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng Acked-by: Morten Brørup --- lib/security/rte_security.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/security/rte_security.c b/lib/security/rte_security.c index e5c862f5f570..c34b09bedd6a 100644 --- a/lib/security/rte_security.c +++ b/lib/security/rte_security.c @@ -497,13 +497,14 @@ security_handle_cryptodev_crypto_caps(const char *cmd __rte_unused, const char * int dev_id, capa_id; int crypto_caps_n; char *end_param; + char *sp = NULL; int rc; if (!params || strlen(params) == 0 || !isdigit(*params)) return -EINVAL; dev_id = strtoul(params, &end_param, 0); - capa_param = strtok(end_param, ","); + capa_param = strtok_r(end_param, ",", &sp); if (!capa_param || strlen(capa_param) == 0 || !isdigit(*capa_param)) return -EINVAL; -- 2.22.0