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 EFD5345BDF; Sat, 26 Oct 2024 12:26:40 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 51A7E4068E; Sat, 26 Oct 2024 12:26:03 +0200 (CEST) Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by mails.dpdk.org (Postfix) with ESMTP id 5B0E24042C for ; Sat, 26 Oct 2024 12:25:52 +0200 (CEST) Received: from mail.maildlp.com (unknown [172.19.88.234]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4XbG472FlYz20qqS; Sat, 26 Oct 2024 18:24:55 +0800 (CST) Received: from kwepemf500004.china.huawei.com (unknown [7.202.181.242]) by mail.maildlp.com (Postfix) with ESMTPS id 4C1B814010D; Sat, 26 Oct 2024 18:25:50 +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 18:25:49 +0800 From: Jie Hai To: , , , Jakub Palider , Tomasz Duszynski , Jerin Jacob CC: , , , Subject: [PATCH v4 11/13] raw/cnxk_gpio: replace strtok with reentrant version Date: Sat, 26 Oct 2024 18:14:49 +0800 Message-ID: <20241026101451.29135-12-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: ecc0dd455e9a ("raw/cnxk_gpio: add option to select subset of GPIOs") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng Acked-by: Morten Brørup --- drivers/raw/cnxk_gpio/cnxk_gpio.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/raw/cnxk_gpio/cnxk_gpio.c b/drivers/raw/cnxk_gpio/cnxk_gpio.c index 329ac28a2736..bad70ecb1985 100644 --- a/drivers/raw/cnxk_gpio/cnxk_gpio.c +++ b/drivers/raw/cnxk_gpio/cnxk_gpio.c @@ -192,7 +192,7 @@ static int cnxk_gpio_parse_allowlist(struct cnxk_gpiochip *gpiochip, char *allowlist) { int i, ret, val, queue = 0; - char *token; + char *token, *sp = NULL; int *list; list = rte_calloc(NULL, gpiochip->num_gpios, sizeof(*list), 0); @@ -210,7 +210,7 @@ cnxk_gpio_parse_allowlist(struct cnxk_gpiochip *gpiochip, char *allowlist) allowlist[strlen(allowlist) - 1] = ' '; /* quiesce -Wcast-qual */ - token = strtok((char *)(uintptr_t)allowlist, ","); + token = strtok_r((char *)(uintptr_t)allowlist, ",", &sp); do { errno = 0; val = strtol(token, NULL, 10); @@ -236,7 +236,7 @@ cnxk_gpio_parse_allowlist(struct cnxk_gpiochip *gpiochip, char *allowlist) } if (i == queue) list[queue++] = val; - } while ((token = strtok(NULL, ","))); + } while ((token = strtok_r(NULL, ",", &sp))); free(allowlist); gpiochip->allowlist = list; -- 2.22.0