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 ECD4F45CA6; Fri, 8 Nov 2024 12:17:25 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id AC03743397; Fri, 8 Nov 2024 12:16:01 +0100 (CET) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) by mails.dpdk.org (Postfix) with ESMTP id 12FE743379 for ; Fri, 8 Nov 2024 12:15:50 +0100 (CET) Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4XlGTV5H4Bz1JCMl; Fri, 8 Nov 2024 19:11:10 +0800 (CST) Received: from kwepemf500004.china.huawei.com (unknown [7.202.181.242]) by mail.maildlp.com (Postfix) with ESMTPS id 0E5891402CE; 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: , , , Shepard Siegel , Ed Czeck , John Miller CC: , , , Subject: [PATCH v5 18/25] net/ark: replace strtok with reentrant version Date: Fri, 8 Nov 2024 19:03:57 +0800 Message-ID: <20241108110404.18317-19-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: 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); } } -- 2.22.0