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 E7D4945CA6; Fri, 8 Nov 2024 12:15:58 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E4F4F4335C; Fri, 8 Nov 2024 12:15:44 +0100 (CET) Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by mails.dpdk.org (Postfix) with ESMTP id 709E843342 for ; Fri, 8 Nov 2024 12:15:41 +0100 (CET) Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4XlGYM02f0z20sv7; Fri, 8 Nov 2024 19:14:31 +0800 (CST) Received: from kwepemf500004.china.huawei.com (unknown [7.202.181.242]) by mail.maildlp.com (Postfix) with ESMTPS id 212341402CE; Fri, 8 Nov 2024 19:15:40 +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 19:15:39 +0800 From: Jie Hai To: , , , Fiona Trahe , Pablo de Lara , Shally Verma , Tomasz Jozwiak , Lee Daly CC: , , , Subject: [PATCH v5 03/25] app/compress-perf: replace strtok with reentrant version Date: Fri, 8 Nov 2024 19:03:42 +0800 Message-ID: <20241108110404.18317-4-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-Transfer-Encoding: 8bit Content-Type: text/plain 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: e0b6287c035d ("app/compress-perf: add parser") Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- .../comp_perf_options_parse.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/app/test-compress-perf/comp_perf_options_parse.c b/app/test-compress-perf/comp_perf_options_parse.c index 6d8c370fc2ea..6f3f907162e6 100644 --- a/app/test-compress-perf/comp_perf_options_parse.c +++ b/app/test-compress-perf/comp_perf_options_parse.c @@ -12,6 +12,7 @@ #include #include +#include #include "comp_perf_options.h" @@ -177,6 +178,7 @@ parse_range(const char *arg, uint8_t *min, uint8_t *max, uint8_t *inc) { char *token; uint8_t number; + char *sp = NULL; char *copy_arg = strdup(arg); @@ -184,7 +186,7 @@ parse_range(const char *arg, uint8_t *min, uint8_t *max, uint8_t *inc) return -1; errno = 0; - token = strtok(copy_arg, ":"); + token = strtok_r(copy_arg, ":", &sp); /* Parse minimum value */ if (token != NULL) { @@ -197,7 +199,7 @@ parse_range(const char *arg, uint8_t *min, uint8_t *max, uint8_t *inc) } else goto err_range; - token = strtok(NULL, ":"); + token = strtok_r(NULL, ":", &sp); /* Parse increment value */ if (token != NULL) { @@ -211,7 +213,7 @@ parse_range(const char *arg, uint8_t *min, uint8_t *max, uint8_t *inc) } else goto err_range; - token = strtok(NULL, ":"); + token = strtok_r(NULL, ":", &sp); /* Parse maximum value */ if (token != NULL) { @@ -225,7 +227,7 @@ parse_range(const char *arg, uint8_t *min, uint8_t *max, uint8_t *inc) } else goto err_range; - if (strtok(NULL, ":") != NULL) + if (strtok_r(NULL, ":", &sp) != NULL) goto err_range; free(copy_arg); @@ -244,6 +246,7 @@ parse_list(const char *arg, uint8_t *list, uint8_t *min, uint8_t *max) uint8_t count = 0; uint32_t temp_min; uint32_t temp_max; + char *sp = NULL; char *copy_arg = strdup(arg); @@ -251,7 +254,7 @@ parse_list(const char *arg, uint8_t *list, uint8_t *min, uint8_t *max) return -1; errno = 0; - token = strtok(copy_arg, ","); + token = strtok_r(copy_arg, ",", &sp); /* Parse first value */ if (token != NULL) { @@ -266,7 +269,7 @@ parse_list(const char *arg, uint8_t *list, uint8_t *min, uint8_t *max) } else goto err_list; - token = strtok(NULL, ","); + token = strtok_r(NULL, ",", &sp); while (token != NULL) { if (count == MAX_LIST) { @@ -288,7 +291,7 @@ parse_list(const char *arg, uint8_t *list, uint8_t *min, uint8_t *max) if (number > temp_max) temp_max = number; - token = strtok(NULL, ","); + token = strtok_r(NULL, ",", &sp); } if (min) -- 2.22.0