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 F0F4043329; Tue, 14 Nov 2023 12:10:21 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C211D40693; Tue, 14 Nov 2023 12:10:02 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id A5AE44027D for ; Tue, 14 Nov 2023 12:09:56 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SV3Ts5m7JzvQWY; Tue, 14 Nov 2023 19:09:37 +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 19:09:52 +0800 From: Jie Hai To: , Pablo de Lara , Shally Verma , Lee Daly , Tomasz Jozwiak , Fiona Trahe CC: , , Subject: [PATCH v3 03/22] app/compress-perf: replace strtok with reentrant version Date: Tue, 14 Nov 2023 18:59:47 +0800 Message-ID: <20231114110006.91148-4-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 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: e0b6287c035d ("app/compress-perf: add parser") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- app/test-compress-perf/comp_perf_options_parse.c | 16 +++++++++------- 1 file changed, 9 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..d997fa667a94 100644 --- a/app/test-compress-perf/comp_perf_options_parse.c +++ b/app/test-compress-perf/comp_perf_options_parse.c @@ -177,6 +177,7 @@ 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 +185,7 @@ 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 +198,7 @@ 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 +212,7 @@ 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 +226,7 @@ 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 +245,7 @@ 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 +253,7 @@ 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 +268,7 @@ 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 +290,7 @@ 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) -- 2.30.0