From patchwork Tue Nov 14 10:59:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134262 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 71E7243329; Tue, 14 Nov 2023 12:10:28 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0496040698; Tue, 14 Nov 2023 12:10:04 +0100 (CET) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id E0837402E4 for ; Tue, 14 Nov 2023 12:09:56 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.53]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4SV3Ns68jzzMmls; Tue, 14 Nov 2023 19:05:17 +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: , Nicolas Chautru , Maxime Coquelin , Amr Mokhtar CC: , , Subject: [PATCH v3 02/22] app/bbdev: replace strtok with reentrant version Date: Tue, 14 Nov 2023 18:59:46 +0800 Message-ID: <20231114110006.91148-3-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: 0acdb9866756 ("test/bbdev: add FFT operations cases") Fixes: f714a18885a6 ("app/testbbdev: add test application for bbdev") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- app/test-bbdev/test_bbdev_vector.c | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) diff --git a/app/test-bbdev/test_bbdev_vector.c b/app/test-bbdev/test_bbdev_vector.c index c26727cd35c4..5c966e79645e 100644 --- a/app/test-bbdev/test_bbdev_vector.c +++ b/app/test-bbdev/test_bbdev_vector.c @@ -63,8 +63,9 @@ parse_values(char *tokens, uint32_t **data, uint32_t *data_length) uint32_t *values, *values_resized; char *tok, *error = NULL; + char *sp = NULL; - tok = strtok(tokens, VALUE_DELIMITER); + tok = strtok_r(tokens, VALUE_DELIMITER, &sp); if (tok == NULL) return -1; @@ -98,7 +99,7 @@ parse_values(char *tokens, uint32_t **data, uint32_t *data_length) *data_length = *data_length + (strlen(tok) - strlen("0x"))/2; - tok = strtok(NULL, VALUE_DELIMITER); + tok = strtok_r(NULL, VALUE_DELIMITER, &sp); if (tok == NULL) break; @@ -299,8 +300,9 @@ parse_turbo_flags(char *tokens, uint32_t *op_flags, { char *tok = NULL; uint32_t op_flag_value = 0; + char *sp = NULL; - tok = strtok(tokens, VALUE_DELIMITER); + tok = strtok_r(tokens, VALUE_DELIMITER, &sp); if (tok == NULL) return -1; @@ -330,7 +332,7 @@ parse_turbo_flags(char *tokens, uint32_t *op_flags, *op_flags = *op_flags | op_flag_value; - tok = strtok(NULL, VALUE_DELIMITER); + tok = strtok_r(NULL, VALUE_DELIMITER, &sp); if (tok == NULL) break; } @@ -368,9 +370,10 @@ static int parse_expected_status(char *tokens, int *status, enum rte_bbdev_op_type op_type) { char *tok = NULL; + char *sp = NULL; bool status_ok = false; - tok = strtok(tokens, VALUE_DELIMITER); + tok = strtok_r(tokens, VALUE_DELIMITER, &sp); if (tok == NULL) return -1; @@ -401,7 +404,7 @@ parse_expected_status(char *tokens, int *status, enum rte_bbdev_op_type op_type) return -1; } - tok = strtok(NULL, VALUE_DELIMITER); + tok = strtok_r(NULL, VALUE_DELIMITER, &sp); if (tok == NULL) break; } @@ -894,6 +897,7 @@ parse_fft_params(const char *key_token, char *token, int ret = 0, status = 0, i, shift; uint32_t op_flags = 0; char *tok, *err = NULL; + char *sp = NULL; struct rte_bbdev_op_fft *fft = &vector->fft; @@ -922,7 +926,7 @@ parse_fft_params(const char *key_token, char *token, fft->output_leading_depadding = (uint32_t) strtoul(token, &err, 0); ret = ((err == NULL) || (*err != '\0')) ? -1 : 0; } else if (!strcmp(key_token, "window_index")) { - tok = strtok(token, VALUE_DELIMITER); + tok = strtok_r(token, VALUE_DELIMITER, &sp); if (tok == NULL) return -1; for (i = 0; i < FFT_WIN_SIZE; i++) { @@ -930,7 +934,7 @@ parse_fft_params(const char *key_token, char *token, fft->window_index[i / 2] |= (uint32_t) strtoul(tok, &err, 0) << shift; if (i < (FFT_WIN_SIZE - 1)) { - tok = strtok(NULL, VALUE_DELIMITER); + tok = strtok_r(NULL, VALUE_DELIMITER, &sp); if (tok == NULL) return -1; } @@ -995,6 +999,7 @@ static int parse_entry(char *entry, struct test_bbdev_vector *vector) { int ret = 0; + char *sp = NULL; char *token, *key_token; enum rte_bbdev_op_type op_type = RTE_BBDEV_OP_NONE; @@ -1004,10 +1009,10 @@ parse_entry(char *entry, struct test_bbdev_vector *vector) } /* get key */ - token = strtok(entry, ENTRY_DELIMITER); + token = strtok_r(entry, ENTRY_DELIMITER, &sp); key_token = token; /* get values for key */ - token = strtok(NULL, ENTRY_DELIMITER); + token = strtok_r(NULL, ENTRY_DELIMITER, &sp); if (key_token == NULL || token == NULL) { printf("Expected 'key = values' but was '%.40s'..\n", entry);