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 35B9C45CA6; Fri, 8 Nov 2024 12:18:05 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 374F8433C4; Fri, 8 Nov 2024 12:16:10 +0100 (CET) Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by mails.dpdk.org (Postfix) with ESMTP id E725C43371 for ; Fri, 8 Nov 2024 12:15:50 +0100 (CET) Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4XlGX675Xpz1T9wQ; Fri, 8 Nov 2024 19:13:26 +0800 (CST) Received: from kwepemf500004.china.huawei.com (unknown [7.202.181.242]) by mail.maildlp.com (Postfix) with ESMTPS id 95E3B180AEA; Fri, 8 Nov 2024 19:15:49 +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; Fri, 8 Nov 2024 19:15:48 +0800 From: Jie Hai To: , , , Jakub Palider , Tomasz Duszynski , Jerin Jacob CC: , , , Subject: [PATCH v5 19/25] raw/cnxk_gpio: replace strtok with reentrant version Date: Fri, 8 Nov 2024 19:03:58 +0800 Message-ID: <20241108110404.18317-20-haijie1@huawei.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20241108110404.18317-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20241108110404.18317-1-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: dggems703-chm.china.huawei.com (10.3.19.180) 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 | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/raw/cnxk_gpio/cnxk_gpio.c b/drivers/raw/cnxk_gpio/cnxk_gpio.c index 329ac28a2736..e6408db824de 100644 --- a/drivers/raw/cnxk_gpio/cnxk_gpio.c +++ b/drivers/raw/cnxk_gpio/cnxk_gpio.c @@ -11,6 +11,7 @@ #include #include #include +#include #include @@ -192,7 +193,7 @@ 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 +211,7 @@ 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 +237,7 @@ 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