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 5E51045D7C; Fri, 22 Nov 2024 12:13:26 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 26B41433DD; Fri, 22 Nov 2024 12:11:59 +0100 (CET) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id 958A9433B2 for ; Fri, 22 Nov 2024 12:11:46 +0100 (CET) Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Xvsp44qp0zQv1V; Fri, 22 Nov 2024 19:10:20 +0800 (CST) Received: from kwepemf500004.china.huawei.com (unknown [7.202.181.242]) by mail.maildlp.com (Postfix) with ESMTPS id 3772D180214; Fri, 22 Nov 2024 19:11:45 +0800 (CST) Received: from localhost.localdomain (10.90.30.45) 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, 22 Nov 2024 19:11:44 +0800 From: Jie Hai To: , , , Shepard Siegel , Ed Czeck , John Miller CC: , , , Subject: [PATCH v6 17/25] net/ark: replace strtok with reentrant version Date: Fri, 22 Nov 2024 19:04:49 +0800 Message-ID: <20241122110458.2156907-18-haijie1@huawei.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20241122110458.2156907-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20241122110458.2156907-1-haijie1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.90.30.45] 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: 9c7188a68d7b ("net/ark: provide API for hardware modules pktchkr and pktgen") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng Acked-by: Morten Brørup --- drivers/net/ark/ark_pktchkr.c | 11 ++++++----- drivers/net/ark/ark_pktgen.c | 11 ++++++----- 2 files changed, 12 insertions(+), 10 deletions(-) diff --git a/drivers/net/ark/ark_pktchkr.c b/drivers/net/ark/ark_pktchkr.c index e1f336c73c2a..2bb3dd7b5f36 100644 --- a/drivers/net/ark/ark_pktchkr.c +++ b/drivers/net/ark/ark_pktchkr.c @@ -7,6 +7,7 @@ #include #include +#include #include "ark_pktchkr.h" #include "ark_logs.h" @@ -359,14 +360,14 @@ set_arg(char *arg, char *val) void ark_pktchkr_parse(char *args) { - char *argv, *v; + char *argv, *v, *sp = NULL; const char toks[] = "=\n\t\v\f \r"; - argv = strtok(args, toks); - v = strtok(NULL, toks); + argv = strtok_r(args, toks, &sp); + v = strtok_r(NULL, toks, &sp); while (argv && v) { set_arg(argv, v); - argv = strtok(NULL, toks); - v = strtok(NULL, toks); + argv = strtok_r(NULL, toks, &sp); + v = strtok_r(NULL, toks, &sp); } } diff --git a/drivers/net/ark/ark_pktgen.c b/drivers/net/ark/ark_pktgen.c index 69ff7072b2ab..4765b8f0992a 100644 --- a/drivers/net/ark/ark_pktgen.c +++ b/drivers/net/ark/ark_pktgen.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "ark_pktgen.h" #include "ark_logs.h" @@ -340,14 +341,14 @@ pmd_set_arg(char *arg, char *val) void ark_pktgen_parse(char *args) { - char *argv, *v; + char *argv, *v, *sp = NULL; const char toks[] = " =\n\t\v\f \r"; - argv = strtok(args, toks); - v = strtok(NULL, toks); + argv = strtok_r(args, toks, &sp); + v = strtok_r(NULL, toks, &sp); while (argv && v) { pmd_set_arg(argv, v); - argv = strtok(NULL, toks); - v = strtok(NULL, toks); + argv = strtok_r(NULL, toks, &sp); + v = strtok_r(NULL, toks, &sp); } } -- 2.33.0