From patchwork Sat Feb 15 08:32:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pan Nengyuan X-Patchwork-Id: 1238470 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com 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 ozlabs.org (Postfix) with ESMTPS id 48KNQ94TnLz9sNg for ; Sat, 15 Feb 2020 19:17:03 +1100 (AEDT) Received: from localhost ([::1]:49146 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2sdG-0004fV-UB for incoming@patchwork.ozlabs.org; Sat, 15 Feb 2020 03:16:58 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33211) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2scw-0004fG-Gy for qemu-devel@nongnu.org; Sat, 15 Feb 2020 03:16:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j2scv-00067x-Bg for qemu-devel@nongnu.org; Sat, 15 Feb 2020 03:16:38 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:59704 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j2scu-0005oZ-Vp; Sat, 15 Feb 2020 03:16:37 -0500 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id C7D909234CD5B4CCFCA7; Sat, 15 Feb 2020 16:16:22 +0800 (CST) Received: from localhost.localdomain (10.175.104.216) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.439.0; Sat, 15 Feb 2020 16:16:17 +0800 From: To: , , Subject: [PATCH 1/2] s390x: fix memleaks in cpu_finalize Date: Sat, 15 Feb 2020 16:32:03 +0800 Message-ID: <20200215083203.5064-1-pannengyuan@huawei.com> X-Mailer: git-send-email 2.18.2 MIME-Version: 1.0 X-Originating-IP: [10.175.104.216] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 45.249.212.35 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, euler.robot@huawei.com, Pan Nengyuan , qemu-devel@nongnu.org, zhang.zhanghailiang@huawei.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Pan Nengyuan This patch fix memleaks when we call tests/qtest/cpu-plug-test on s390x. The leak stack is as follow: Direct leak of 48 byte(s) in 1 object(s) allocated from: #0 0x7fb43c7cd970 in __interceptor_calloc (/lib64/libasan.so.5+0xef970) #1 0x7fb43be2149d in g_malloc0 (/lib64/libglib-2.0.so.0+0x5249d) #2 0x558ba96da716 in timer_new_full /mnt/sdb/qemu-new/qemu/include/qemu/timer.h:530 #3 0x558ba96da716 in timer_new /mnt/sdb/qemu-new/qemu/include/qemu/timer.h:551 #4 0x558ba96da716 in timer_new_ns /mnt/sdb/qemu-new/qemu/include/qemu/timer.h:569 #5 0x558ba96da716 in s390_cpu_initfn /mnt/sdb/qemu-new/qemu/target/s390x/cpu.c:285 #6 0x558ba9c969ab in object_init_with_type /mnt/sdb/qemu-new/qemu/qom/object.c:372 #7 0x558ba9c9eb5f in object_initialize_with_type /mnt/sdb/qemu-new/qemu/qom/object.c:516 #8 0x558ba9c9f053 in object_new_with_type /mnt/sdb/qemu-new/qemu/qom/object.c:684 #9 0x558ba967ede6 in s390x_new_cpu /mnt/sdb/qemu-new/qemu/hw/s390x/s390-virtio-ccw.c:64 #10 0x558ba99764b3 in hmp_cpu_add /mnt/sdb/qemu-new/qemu/hw/core/machine-hmp-cmds.c:57 #11 0x558ba9b1c27f in handle_hmp_command /mnt/sdb/qemu-new/qemu/monitor/hmp.c:1082 #12 0x558ba96c1b02 in qmp_human_monitor_command /mnt/sdb/qemu-new/qemu/monitor/misc.c:142 Reported-by: Euler Robot Signed-off-by: Pan Nengyuan Reviewed-by: David Hildenbrand --- target/s390x/cpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c index cf84d307c6..fff793a4eb 100644 --- a/target/s390x/cpu.c +++ b/target/s390x/cpu.c @@ -294,6 +294,10 @@ static void s390_cpu_finalize(Object *obj) qemu_unregister_reset(s390_cpu_machine_reset_cb, cpu); g_free(cpu->irqstate); + timer_del(cpu->env.tod_timer); + timer_del(cpu->env.cpu_timer); + timer_free(cpu->env.tod_timer); + timer_free(cpu->env.cpu_timer); #endif }