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 566A3A0582; Tue, 22 Nov 2022 16:31:31 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CCEA442D90; Tue, 22 Nov 2022 16:31:03 +0100 (CET) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by mails.dpdk.org (Postfix) with ESMTP id 49DDB42D78 for ; Tue, 22 Nov 2022 16:31:00 +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 ams.source.kernel.org (Postfix) with ESMTPS id E5AF2B81BE8 for ; Tue, 22 Nov 2022 15:30:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF1F2C433D6; Tue, 22 Nov 2022 15:30:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669131058; bh=VjI2Ec8kMto3iRfsRyn5fX9hQQiC6ztV5fVsgiMS9yw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W7gs4Uhdu+OZHVElJzk1E7gEU4NpYC9MCu9/nDXCD9/TtOnWPoZEHJBrIwdBAm3H7 GeQgO98VUjTAtdmwa8DvLhUrbwJKNmEGtY8PBITaNMHnWYz7anR+0iplwFOkWixweD IRJmDNoi5kQDbVTkpNASRNAVa6t6Jq/qNlnKC8WPfhaO6SRcEYaEplPPyhIJPQr7Do SlEV4t0yDBbPfbPd501zYx8mpQmWD5OXO17prB0mfKiN9/jd0xYpnBcyRZHIeUSETq B7/O6FMBNOcheNa36WL26rdFtFRX+RScoepfC4FKq9SonIl4Uvs5/QrteH5xUZ99zR U4sFbgrkdAWbw== From: okaya@kernel.org To: dev@dpdk.org Cc: Sinan Kaya Subject: [PATCH RESEND v2 04/11] memzone: check result of malloc_elem_from_data Date: Tue, 22 Nov 2022 10:30:46 -0500 Message-Id: <20221122153053.1172434-5-okaya@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221122153053.1172434-1-okaya@kernel.org> References: <20221122153053.1172434-1-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