From patchwork Wed Sep 21 14:45:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhipeng Lu X-Patchwork-Id: 12983811 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6AEE7C6FA82 for ; Wed, 21 Sep 2022 14:57:20 +0000 (UTC) Received: from localhost ([::1]:41438 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ob1A7-0002yy-9q for qemu-devel@archiver.kernel.org; Wed, 21 Sep 2022 10:57:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57574) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ob0yn-00014a-OU for qemu-devel@nongnu.org; Wed, 21 Sep 2022 10:45:38 -0400 Received: from [106.39.185.57] (port=45880 helo=smtp.cecloud.com) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ob0yk-0003bj-Eh for qemu-devel@nongnu.org; Wed, 21 Sep 2022 10:45:37 -0400 Received: from localhost (localhost [127.0.0.1]) by smtp.cecloud.com (Postfix) with ESMTP id 8FE08FC0203; Wed, 21 Sep 2022 22:45:27 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (1.39.88.218.broad.cd.sc.dynamic.163data.com.cn [218.88.39.1]) by smtp.cecloud.com (postfix) whith ESMTP id P51403T281470991921520S1663771526472673_; Wed, 21 Sep 2022 22:45:27 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: luzhipeng@cestc.cn X-SENDER: luzhipeng@cestc.cn X-LOGIN-NAME: luzhipeng@cestc.cn X-FST-TO: qemu-devel@nongnu.org X-RCPT-COUNT: 4 X-SENDER-IP: 218.88.39.1 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: luzhipeng To: qemu-devel Cc: Kevin Wolf , Hanna Reitz , lu zhipeng Subject: [PATCH] qcow2: fix memory leak in qcow2_read_extensions Date: Wed, 21 Sep 2022 22:45:15 +0800 Message-Id: <20220921144515.1166-1-luzhipeng@cestc.cn> X-Mailer: git-send-email 2.34.0.windows.1 MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 106.39.185.57 (failed) Received-SPF: pass client-ip=106.39.185.57; envelope-from=luzhipeng@cestc.cn; helo=smtp.cecloud.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: lu zhipeng Free feature_table if it is failed in bdrv_pread. Signed-off-by: lu zhipeng --- block/qcow2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/qcow2.c b/block/qcow2.c index c6c6692fb7..c8fc3a6160 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -275,6 +275,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset, if (ret < 0) { error_setg_errno(errp, -ret, "ERROR: ext_feature_table: " "Could not read table"); + g_free(feature_table); return ret; }