From patchwork Sat Dec 26 10:33:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaojinhao X-Patchwork-Id: 11990349 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 28F63C433E9 for ; Sat, 26 Dec 2020 14:08:03 +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 BD76220829 for ; Sat, 26 Dec 2020 14:08:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD76220829 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]:56862 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ktAEj-00034p-Ll for qemu-devel@archiver.kernel.org; Sat, 26 Dec 2020 09:08:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52470) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kt6u1-0002Dj-E7; Sat, 26 Dec 2020 05:34:25 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:3010) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kt6tz-0004nL-9A; Sat, 26 Dec 2020 05:34:25 -0500 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4D30X248TszhyPg; Sat, 26 Dec 2020 18:33:22 +0800 (CST) Received: from DESKTOP-EDHIELA.china.huawei.com (10.174.187.50) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.498.0; Sat, 26 Dec 2020 18:34:00 +0800 From: g00517791 To: , Subject: [PATCH 0/8] Fix memory leak of some device state in migration Date: Sat, 26 Dec 2020 18:33:39 +0800 Message-ID: <20201226103347.868-1-gaojinhao@huawei.com> X-Mailer: git-send-email 2.29.2.windows.2 MIME-Version: 1.0 X-Originating-IP: [10.174.187.50] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.191; envelope-from=gaojinhao@huawei.com; helo=szxga05-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_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sat, 26 Dec 2020 09:05:44 -0500 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: "Michael S . Tsirkin" , Jason Wang , Stefan Berger , Greg Kurz , "Dr . David Alan Gilbert" , Juan Quintela , wanghaibin.wang@huawei.com, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , zhukeqian1@huawei.com, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Jinhao Gao 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 allocation of memory or after load of memory to avoid memory leak. Jinhao Gao (8): vmbus: Fix memory leak of vmstate_gpadl virtio-net: Fix memory leak of vmstate_virtio_net_rss spapr: Fix memory leak of vmstate_spapr_event_entry spapr_pci: Fix memory leak of vmstate_spapr_pci savevm: Fix memory leak of vmstate_configuration vmbus: Fix memory leak of vmstate_vmbus_chan_req tpm_emulator: Fix memory leak of vmstate_tpm_emulator dbus-vmstate: Fix memory leak of dbus_vmstate backends/dbus-vmstate.c | 11 +++++++++++ backends/tpm/tpm_emulator.c | 13 +++++++++++++ hw/hyperv/vmbus.c | 22 ++++++++++++++++++++++ hw/net/virtio-net.c | 11 +++++++++++ hw/ppc/spapr.c | 12 ++++++++++++ hw/ppc/spapr_pci.c | 11 +++++++++++ migration/savevm.c | 31 +++++++++++++++++++++++++++---- 7 files changed, 107 insertions(+), 4 deletions(-) Signed-off-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin