From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52AEAC433E0 for ; Thu, 31 Dec 2020 06:14:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DADF922227 for ; Thu, 31 Dec 2020 06:14:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DADF922227 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59210 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kurEH-0006qV-Vx for qemu-devel@archiver.kernel.org; Thu, 31 Dec 2020 01:14:34 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33984) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kurB3-0003Wo-13; Thu, 31 Dec 2020 01:11:13 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2837) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kurAr-0005cX-6T; Thu, 31 Dec 2020 01:11:12 -0500 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4D5yRX6fqWzkycD; Thu, 31 Dec 2020 14:09:44 +0800 (CST) Received: from DESKTOP-EDHIELA.china.huawei.com (10.174.187.50) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.498.0; Thu, 31 Dec 2020 14:10:39 +0800 From: Jinhao Gao To: , Subject: [PATCH v3 0/3] Fix memory leak of some device state in migration Date: Thu, 31 Dec 2020 14:10:17 +0800 Message-ID: <20201231061020.828-1-gaojinhao@huawei.com> X-Mailer: git-send-email 2.29.2.windows.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.174.187.50] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=gaojinhao@huawei.com; helo=szxga04-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Stefan Berger , Jason Wang , "Michael S . Tsirkin" , Greg Kurz , "Dr . David Alan Gilbert" , Juan Quintela , wanghaibin.wang@huawei.com, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , zhukeqian1@huawei.com, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" For some device state having some fields of VMS_ALLOC flag, they don't free memory allocated for the fields in vmstate_save_state and vmstate_load_state. We add funcs or sentences of free memory before and after VM saves or loads device state to avoid memory leak. v2 - Drop patch1-3,6-8 of v1 - Address Michael's comment (free memory before load vmsd centrally) - Add David's Acked-by and Michael's Signed-off-by v3 - Add Euler's Reported-by and Michael's Reviewed-by Jinhao Gao (3): spapr_pci: Fix memory leak of vmstate_spapr_pci savevm: Fix memory leak of vmstate_configuration vmstate: Fix memory leak in vmstate_handle_alloc() hw/ppc/spapr_pci.c | 11 +++++++++++ migration/savevm.c | 31 +++++++++++++++++++++++++++---- migration/vmstate.c | 1 + 3 files changed, 39 insertions(+), 4 deletions(-) -- 2.23.0