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 31ADA4242A; Fri, 20 Jan 2023 05:42:13 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C568442DB4; Fri, 20 Jan 2023 05:41:56 +0100 (CET) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by mails.dpdk.org (Postfix) with ESMTP id D3BA641101 for ; Fri, 20 Jan 2023 05:41:52 +0100 (CET) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5832B615FE; Fri, 20 Jan 2023 04:41:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6866BC433EF; Fri, 20 Jan 2023 04:41:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1674189711; bh=VjI2Ec8kMto3iRfsRyn5fX9hQQiC6ztV5fVsgiMS9yw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ObaN/NVXe5VKl3HtehwIFBRD/9pI/nRV3Y2me1l/067vmuF3VTJIdRBxrh/4SChPk Uyw343Urd40HgfovU9Hh9KtNSNdcbRBGGsJ7wJjYwhTk5eGb7pINcyvYR+YpR954tC FTtzgBVotKnXcXfPdkG1ra2g+JRsYbSknlglgvk8uE5Xjz8rWOjdx2vkT8YJUJmlOC wI4dKXebPWa73/4sn6gumZPxzWZBBOSojVWKmZOZOvOlGeYmC/YMLPSGcKbAAaImDs 6swbL8juSQ5nYysqCvyoNZPWvDSenzId53O8HHtoN7l9SHVWtCNrTD/TKtZQ5O0x0Q 7F+XyPcnjjvuQ== From: okaya@kernel.org To: Anatoly Burakov Cc: dev@dpdk.org, Sinan Kaya Subject: [PATCH v3 03/10] memzone: check result of malloc_elem_from_data Date: Thu, 19 Jan 2023 23:41:33 -0500 Message-Id: <20230120044140.95975-4-okaya@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230120044140.95975-1-okaya@kernel.org> References: <20230120044140.95975-1-okaya@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 From: Sinan Kaya In memzone_reserve_aligned_thread_unsafe result of call to malloc_elem_from_data is dereferenced here and may be null. Signed-off-by: Sinan Kaya --- lib/eal/common/eal_common_memzone.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/eal/common/eal_common_memzone.c b/lib/eal/common/eal_common_memzone.c index 8d472505eb..930fee5fdc 100644 --- a/lib/eal/common/eal_common_memzone.c +++ b/lib/eal/common/eal_common_memzone.c @@ -169,6 +169,10 @@ memzone_reserve_aligned_thread_unsafe(const char *name, size_t len, } struct malloc_elem *elem = malloc_elem_from_data(mz_addr); + if (elem == NULL) { + rte_errno = ENOSPC; + return NULL; + } /* fill the zone in config */ mz_idx = rte_fbarray_find_next_free(arr, 0); -- 2.25.1