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 7494243325; Tue, 14 Nov 2023 09:48:16 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5F01440DDB; Tue, 14 Nov 2023 09:47:27 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 2456F402F2 for ; Tue, 14 Nov 2023 09:47:17 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SV0Fn09chzrV4m; Tue, 14 Nov 2023 16:43:57 +0800 (CST) Received: from localhost.localdomain (10.67.165.2) by kwepemd100004.china.huawei.com (7.221.188.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1258.23; Tue, 14 Nov 2023 16:47:15 +0800 From: Jie Hai To: , Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko CC: , , Subject: [PATCH v2 11/22] ethdev: replace strtok with reentrant version Date: Tue, 14 Nov 2023 16:41:22 +0800 Message-ID: <20231114084133.3573959-12-haijie1@huawei.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20231114084133.3573959-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20231114084133.3573959-1-haijie1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.67.165.2] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemd100004.china.huawei.com (7.221.188.31) X-CFilter-Loop: Reflected 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: f38f62650f7b ("ethdev: add Rx queue telemetry query") Fixes: 9e7533aeb80a ("ethdev: add telemetry command for TM level capabilities") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- lib/ethdev/rte_ethdev_telemetry.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/ethdev/rte_ethdev_telemetry.c b/lib/ethdev/rte_ethdev_telemetry.c index b01028ce9b60..658f7e54de03 100644 --- a/lib/ethdev/rte_ethdev_telemetry.c +++ b/lib/ethdev/rte_ethdev_telemetry.c @@ -477,6 +477,7 @@ ethdev_parse_queue_params(const char *params, bool is_rx, const char *qid_param; uint16_t nb_queues; char *end_param; + char *sp = NULL; uint64_t qid; int ret; @@ -489,7 +490,7 @@ ethdev_parse_queue_params(const char *params, bool is_rx, if (nb_queues == 1 && *end_param == '\0') qid = 0; else { - qid_param = strtok(end_param, ","); + qid_param = strtok_s(end_param, ",", &sp); if (!qid_param || strlen(qid_param) == 0 || !isdigit(*qid_param)) return -EINVAL; @@ -1221,9 +1222,10 @@ static int eth_dev_parse_tm_params(char *params, uint32_t *result) { const char *splited_param; + char *sp = NULL; uint64_t ret; - splited_param = strtok(params, ","); + splited_param = strtok_s(params, ",", &sp); if (!splited_param || strlen(splited_param) == 0 || !isdigit(*splited_param)) return -EINVAL; -- 2.30.0