From patchwork Tue Nov 14 11:00:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134275 X-Patchwork-Delegate: david.marchand@redhat.com 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 9D0EC43329; Tue, 14 Nov 2023 12:11:51 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C121840EDC; Tue, 14 Nov 2023 12:10:19 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 8F0764068A for ; Tue, 14 Nov 2023 12:10:02 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SV3V156z6zvQF5; Tue, 14 Nov 2023 19:09:45 +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 19:10:00 +0800 From: Jie Hai To: , Shepard Siegel , Ed Czeck , John Miller CC: , , Subject: [PATCH v3 18/22] net/ark: replace strtok with reentrant version Date: Tue, 14 Nov 2023 19:00:02 +0800 Message-ID: <20231114110006.91148-19-haijie1@huawei.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20231114110006.91148-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20231114110006.91148-1-haijie1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.2] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) 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..6e8e5339607b 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_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..d611406a1b46 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_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); } }