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 7D4FA432F3; Fri, 10 Nov 2023 11:05:00 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BB89B42E3F; Fri, 10 Nov 2023 11:04:14 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id BAE4040268 for ; Fri, 10 Nov 2023 11:04:04 +0100 (CET) Received: from dggpeml100024.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4SRZCj24nxzWhJR; Fri, 10 Nov 2023 18:03:45 +0800 (CST) Received: from localhost.localdomain (10.50.165.33) by dggpeml100024.china.huawei.com (7.185.36.115) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Fri, 10 Nov 2023 18:04:00 +0800 From: Chengwen Feng To: , , Keith Wiles , Ciara Power , Bruce Richardson , Jeff Guo , Jianfeng Tan CC: Subject: [PATCH v2 01/16] eal: verify strdup return value Date: Fri, 10 Nov 2023 10:01:02 +0000 Message-ID: <20231110100117.8350-2-fengchengwen@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231110100117.8350-1-fengchengwen@huawei.com> References: <20231110100117.8350-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.50.165.33] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml100024.china.huawei.com (7.185.36.115) 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 Add verify strdup() return value logic. Fixes: 293c53d8b23c ("eal: add telemetry callbacks") Fixes: 0d0f478d0483 ("eal/linux: add uevent parse and process") Cc: stable@dpdk.org Signed-off-by: Chengwen Feng --- lib/eal/common/eal_common_options.c | 24 ++++++++++++++++++++++-- lib/eal/linux/eal_dev.c | 3 +++ 2 files changed, 25 insertions(+), 2 deletions(-) diff --git a/lib/eal/common/eal_common_options.c b/lib/eal/common/eal_common_options.c index a6d21f1cba..8b5a4632dd 100644 --- a/lib/eal/common/eal_common_options.c +++ b/lib/eal/common/eal_common_options.c @@ -226,6 +226,8 @@ eal_save_args(int argc, char **argv) if (strcmp(argv[i], "--") == 0) break; eal_args[i] = strdup(argv[i]); + if (eal_args[i] == NULL) + goto error; } eal_args[i++] = NULL; /* always finish with NULL */ @@ -235,13 +237,31 @@ eal_save_args(int argc, char **argv) eal_app_args = calloc(argc - i + 1, sizeof(*eal_args)); if (eal_app_args == NULL) - return -1; + goto error; - for (j = 0; i < argc; j++, i++) + for (j = 0; i < argc; j++, i++) { eal_app_args[j] = strdup(argv[i]); + if (eal_app_args[j] == NULL) + goto error; + } eal_app_args[j] = NULL; return 0; + +error: + if (eal_app_args != NULL) { + i = 0; + while (eal_app_args[i] != NULL) + free(eal_app_args[i++]); + free(eal_app_args); + eal_app_args = NULL; + } + i = 0; + while (eal_args[i] != NULL) + free(eal_args[i++]); + free(eal_args); + eal_args = NULL; + return -1; } #endif diff --git a/lib/eal/linux/eal_dev.c b/lib/eal/linux/eal_dev.c index ac76f6174d..df3cd6b39a 100644 --- a/lib/eal/linux/eal_dev.c +++ b/lib/eal/linux/eal_dev.c @@ -181,7 +181,10 @@ dev_uev_parse(const char *buf, struct rte_dev_event *event, int length) buf += 14; i += 14; strlcpy(pci_slot_name, buf, sizeof(subsystem)); + free(event->devname); event->devname = strdup(pci_slot_name); + if (event->devname == NULL) + return -1; } for (; i < length; i++) { if (*buf == '\0') -- 2.17.1