From patchwork Tue Nov 14 08:41:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134249 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2CA7C43325; Tue, 14 Nov 2023 09:48:54 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4041040EDC; Tue, 14 Nov 2023 09:47:35 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 5CC9340A6B for ; Tue, 14 Nov 2023 09:47:21 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SV0Fs1YlmzrVDn; Tue, 14 Nov 2023 16:44:01 +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 16:47:19 +0800 From: Jie Hai To: , Shepard Siegel , Ed Czeck , John Miller CC: , , Subject: [PATCH v2 18/22] net/ark: replace strtok with reentrant version Date: Tue, 14 Nov 2023 16:41:29 +0800 Message-ID: <20231114084133.3573959-19-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 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: 9c7188a68d7b ("net/ark: provide API for hardware modules pktchkr and pktgen") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- drivers/net/ark/ark_pktchkr.c | 10 +++++----- drivers/net/ark/ark_pktgen.c | 10 +++++----- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/net/ark/ark_pktchkr.c b/drivers/net/ark/ark_pktchkr.c index e1f336c73c2a..c1c1033eb75e 100644 --- a/drivers/net/ark/ark_pktchkr.c +++ b/drivers/net/ark/ark_pktchkr.c @@ -359,14 +359,14 @@ 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_s(args, toks, &sp); + v = strtok_s(NULL, toks, &sp); while (argv && v) { set_arg(argv, v); - argv = strtok(NULL, toks); - v = strtok(NULL, toks); + argv = strtok_s(NULL, toks, &sp); + v = strtok_s(NULL, toks, &sp); } } diff --git a/drivers/net/ark/ark_pktgen.c b/drivers/net/ark/ark_pktgen.c index 69ff7072b2ab..4b564099d2d6 100644 --- a/drivers/net/ark/ark_pktgen.c +++ b/drivers/net/ark/ark_pktgen.c @@ -340,14 +340,14 @@ 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_s(args, toks, &sp); + v = strtok_s(NULL, toks, &sp); while (argv && v) { pmd_set_arg(argv, v); - argv = strtok(NULL, toks); - v = strtok(NULL, toks); + argv = strtok_s(NULL, toks, &sp); + v = strtok_s(NULL, toks, &sp); } }