From patchwork Tue Nov 14 10:59:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134265 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 A11C343329; Tue, 14 Nov 2023 12:10:47 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8F1A840A70; Tue, 14 Nov 2023 12:10:07 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 11FDF402E5 for ; Tue, 14 Nov 2023 12:09:57 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4SV3Tp00QKzWhMg; Tue, 14 Nov 2023 19:09:33 +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: , Wisam Jaddo , Alexander Kozyrev , Rongwei Liu , Jiawei Wang , Haifei Luo , Sean Zhang CC: , , Subject: [PATCH v3 07/22] app/flow-perf: replace strtok with reentrant version Date: Tue, 14 Nov 2023 18:59:51 +0800 Message-ID: <20231114110006.91148-8-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: 0c8f1f4ab90e ("app/flow-perf: support raw encap/decap actions") Fixes: 7f37f0936a19 ("app/flow-perf: support meter policy API") Fixes: 80a323319745 ("app/flow-perf: add destination ports parameter") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- app/test-flow-perf/main.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/app/test-flow-perf/main.c b/app/test-flow-perf/main.c index e224ef67983d..36e7c1d72019 100644 --- a/app/test-flow-perf/main.c +++ b/app/test-flow-perf/main.c @@ -602,6 +602,7 @@ read_meter_policy(char *prog, char *arg) { char *token; size_t i, j, k; + char *sp = NULL; j = 0; k = 0; @@ -612,9 +613,9 @@ read_meter_policy(char *prog, char *arg) token = strsep(&arg, ":\0"); } j = 0; - token = strtok(actions_str[0], ",\0"); + token = strtok_r(actions_str[0], ",\0", &sp); while (token == NULL && j < RTE_COLORS - 1) - token = strtok(actions_str[++j], ",\0"); + token = strtok_r(actions_str[++j], ",\0", &sp); while (j < RTE_COLORS && token != NULL) { for (i = 0; i < RTE_DIM(flow_options); i++) { if (!strcmp(token, flow_options[i].str)) { @@ -628,9 +629,9 @@ read_meter_policy(char *prog, char *arg) usage(prog); rte_exit(EXIT_SUCCESS, "Invalid colored actions\n"); } - token = strtok(NULL, ",\0"); + token = strtok_r(NULL, ",\0", &sp); while (!token && j < RTE_COLORS - 1) { - token = strtok(actions_str[++j], ",\0"); + token = strtok_r(actions_str[++j], ",\0", &sp); k = 0; } } @@ -641,6 +642,7 @@ args_parse(int argc, char **argv) { uint64_t pm, seed; uint64_t hp_conf; + char *sp = NULL; char **argvopt; uint32_t prio; char *token; @@ -804,7 +806,7 @@ args_parse(int argc, char **argv) RTE_FLOW_ACTION_TYPE_RAW_ENCAP ); - token = strtok(optarg, ","); + token = strtok_r(optarg, ",", &sp); while (token != NULL) { for (i = 0; i < RTE_DIM(flow_options); i++) { if (strcmp(flow_options[i].str, token) == 0) { @@ -817,7 +819,7 @@ args_parse(int argc, char **argv) rte_exit(EXIT_FAILURE, "Invalid encap item: %s\n", token); } - token = strtok(NULL, ","); + token = strtok_r(NULL, ",", &sp); } printf(" / "); } @@ -828,7 +830,7 @@ args_parse(int argc, char **argv) RTE_FLOW_ACTION_TYPE_RAW_DECAP ); - token = strtok(optarg, ","); + token = strtok_r(optarg, ",", &sp); while (token != NULL) { for (i = 0; i < RTE_DIM(flow_options); i++) { if (strcmp(flow_options[i].str, token) == 0) { @@ -841,7 +843,7 @@ args_parse(int argc, char **argv) rte_exit(EXIT_FAILURE, "Invalid decap item %s\n", token); } - token = strtok(NULL, ","); + token = strtok_r(NULL, ",", &sp); } printf(" / "); } @@ -910,10 +912,10 @@ args_parse(int argc, char **argv) uint16_t port_idx = 0; char *token; - token = strtok(optarg, ","); + token = strtok_r(optarg, ",", &sp); while (token != NULL) { dst_ports[port_idx++] = atoi(token); - token = strtok(NULL, ","); + token = strtok_r(NULL, ",", &sp); } } if (strcmp(lgopts[opt_idx].name, "rxq") == 0) {