From patchwork Tue Nov 14 10:59:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134264 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 ABBD943329; Tue, 14 Nov 2023 12:10:40 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6427140A67; Tue, 14 Nov 2023 12:10:06 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 2B789402E6 for ; Tue, 14 Nov 2023 12:09:57 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SV3Tw3Z17zvQF5; Tue, 14 Nov 2023 19:09:40 +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 19:09:55 +0800 From: Jie Hai To: , Srikanth Yalavarthi CC: , , Subject: [PATCH v3 08/22] app/test-mldev: replace strtok with reentrant version Date: Tue, 14 Nov 2023 18:59:52 +0800 Message-ID: <20231114110006.91148-9-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. Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- app/test-mldev/ml_options.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/app/test-mldev/ml_options.c b/app/test-mldev/ml_options.c index 72357c1c393d..3f3dc8f69890 100644 --- a/app/test-mldev/ml_options.c +++ b/app/test-mldev/ml_options.c @@ -75,12 +75,12 @@ ml_parse_models(struct ml_options *opt, const char *arg) { const char *delim = ","; char models[PATH_MAX]; - char *token; + char *token, *sp = NULL; int ret = 0; strlcpy(models, arg, PATH_MAX); - token = strtok(models, delim); + token = strtok_r(models, delim, &sp); while (token != NULL) { strlcpy(opt->filelist[opt->nb_filelist].model, token, PATH_MAX); opt->nb_filelist++; @@ -90,7 +90,7 @@ ml_parse_models(struct ml_options *opt, const char *arg) ret = -EINVAL; break; } - token = strtok(NULL, delim); + token = strtok_r(NULL, delim, &sp); } if (opt->nb_filelist == 0) { @@ -106,7 +106,7 @@ ml_parse_filelist(struct ml_options *opt, const char *arg) { const char *delim = ","; char filelist[PATH_MAX]; - char *token; + char *token, *sp = NULL; if (opt->nb_filelist >= ML_TEST_MAX_MODELS) { ml_err("Exceeded filelist count, max = %d\n", ML_TEST_MAX_MODELS); @@ -116,7 +116,7 @@ ml_parse_filelist(struct ml_options *opt, const char *arg) strlcpy(filelist, arg, PATH_MAX); /* model */ - token = strtok(filelist, delim); + token = strtok_r(filelist, delim, &sp); if (token == NULL) { ml_err("Invalid filelist, model not specified = %s\n", arg); return -EINVAL; @@ -124,7 +124,7 @@ ml_parse_filelist(struct ml_options *opt, const char *arg) strlcpy(opt->filelist[opt->nb_filelist].model, token, PATH_MAX); /* input */ - token = strtok(NULL, delim); + token = strtok_r(NULL, delim, &sp); if (token == NULL) { ml_err("Invalid filelist, input not specified = %s\n", arg); return -EINVAL; @@ -132,7 +132,7 @@ ml_parse_filelist(struct ml_options *opt, const char *arg) strlcpy(opt->filelist[opt->nb_filelist].input, token, PATH_MAX); /* output */ - token = strtok(NULL, delim); + token = strtok_r(NULL, delim, &sp); if (token == NULL) { ml_err("Invalid filelist, output not specified = %s\n", arg); return -EINVAL; @@ -140,14 +140,14 @@ ml_parse_filelist(struct ml_options *opt, const char *arg) strlcpy(opt->filelist[opt->nb_filelist].output, token, PATH_MAX); /* reference - optional */ - token = strtok(NULL, delim); + token = strtok_r(NULL, delim, &sp); if (token != NULL) strlcpy(opt->filelist[opt->nb_filelist].reference, token, PATH_MAX); else memset(opt->filelist[opt->nb_filelist].reference, 0, PATH_MAX); /* check for extra tokens */ - token = strtok(NULL, delim); + token = strtok_r(NULL, delim, &sp); if (token != NULL) { ml_err("Invalid filelist. Entries > 4\n."); return -EINVAL;