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Tue, 25 Feb 2020 02:40:42 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:55636 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j6Upc-0003Xy-Bo for qemu-devel@nongnu.org; Tue, 25 Feb 2020 02:40:40 -0500 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 8A63CF144D291DE3A32A; Tue, 25 Feb 2020 15:40:36 +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; Tue, 25 Feb 2020 15:40:28 +0800 From: Pan Nengyuan To: Subject: [PATCH 1/4] vhost-user-fs: do delete virtio_queues in unrealize Date: Tue, 25 Feb 2020 15:55:51 +0800 Message-ID: <20200225075554.10835-2-pannengyuan@huawei.com> X-Mailer: git-send-email 2.18.2 In-Reply-To: <20200225075554.10835-1-pannengyuan@huawei.com> References: <20200225075554.10835-1-pannengyuan@huawei.com> 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: zhang.zhanghailiang@huawei.com, Pan Nengyuan , qemu-devel@nongnu.org, "Dr. David Alan Gilbert" , Stefan Hajnoczi , euler.robot@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Similar to other virtio device(https://patchwork.kernel.org/patch/11399237/= ), virtio queues forgot to delete in unrealize, and aslo error path in real= ize, this patch fix these memleaks, the leak stack is as follow: Direct leak of 57344 byte(s) in 1 object(s) allocated from: #0 0x7f15784fb970 in __interceptor_calloc (/lib64/libasan.so.5+0xef970) #1 0x7f157790849d in g_malloc0 (/lib64/libglib-2.0.so.0+0x5249d) #2 0x55587a1bf859 in virtio_add_queue /mnt/sdb/qemu-new/qemu_test/qemu/= hw/virtio/virtio.c:2333 #3 0x55587a2071d5 in vuf_device_realize /mnt/sdb/qemu-new/qemu_test/qem= u/hw/virtio/vhost-user-fs.c:212 #4 0x55587a1ae360 in virtio_device_realize /mnt/sdb/qemu-new/qemu_test/= qemu/hw/virtio/virtio.c:3531 #5 0x55587a63fb7b in device_set_realized /mnt/sdb/qemu-new/qemu_test/qe= mu/hw/core/qdev.c:891 #6 0x55587acf03f5 in property_set_bool /mnt/sdb/qemu-new/qemu_test/qemu= /qom/object.c:2238 #7 0x55587acfce0d in object_property_set_qobject /mnt/sdb/qemu-new/qemu= _test/qemu/qom/qom-qobject.c:26 #8 0x55587acf5c8c in object_property_set_bool /mnt/sdb/qemu-new/qemu_te= st/qemu/qom/object.c:1390 #9 0x55587a8e22a2 in pci_qdev_realize /mnt/sdb/qemu-new/qemu_test/qemu/= hw/pci/pci.c:2095 #10 0x55587a63fb7b in device_set_realized /mnt/sdb/qemu-new/qemu_test/q= emu/hw/core/qdev.c:891 #11 0x55587acf03f5 in property_set_bool /mnt/sdb/qemu-new/qemu_test/qem= u/qom/object.c:2238 #12 0x55587acfce0d in object_property_set_qobject /mnt/sdb/qemu-new/qem= u_test/qemu/qom/qom-qobject.c:26 #13 0x55587acf5c8c in object_property_set_bool /mnt/sdb/qemu-new/qemu_t= est/qemu/qom/object.c:1390 #14 0x55587a496d65 in qdev_device_add /mnt/sdb/qemu-new/qemu_test/qemu/= qdev-monitor.c:679 Reported-by: Euler Robot Signed-off-by: Pan Nengyuan Cc: "Dr. David Alan Gilbert" Cc: Stefan Hajnoczi --- hw/virtio/vhost-user-fs.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/virtio/vhost-user-fs.c b/hw/virtio/vhost-user-fs.c index 33b17848c2..4554d123b7 100644 --- a/hw/virtio/vhost-user-fs.c +++ b/hw/virtio/vhost-user-fs.c @@ -230,6 +230,10 @@ static void vuf_device_realize(DeviceState *dev, Error= **errp) =20 err_virtio: vhost_user_cleanup(&fs->vhost_user); + virtio_del_queue(vdev, 0); + for (i =3D 0; i < fs->conf.num_request_queues; i++) { + virtio_del_queue(vdev, i + 1); + } virtio_cleanup(vdev); g_free(fs->vhost_dev.vqs); return; @@ -239,6 +243,7 @@ static void vuf_device_unrealize(DeviceState *dev, Erro= r **errp) { VirtIODevice *vdev =3D VIRTIO_DEVICE(dev); VHostUserFS *fs =3D VHOST_USER_FS(dev); + int i; =20 /* This will stop vhost backend if appropriate. */ vuf_set_status(vdev, 0); @@ -247,6 +252,10 @@ static void vuf_device_unrealize(DeviceState *dev, Err= or **errp) =20 vhost_user_cleanup(&fs->vhost_user); =20 + virtio_del_queue(vdev, 0); + for (i =3D 0; i < fs->conf.num_request_queues; i++) { + virtio_del_queue(vdev, i + 1); + } virtio_cleanup(vdev); g_free(fs->vhost_dev.vqs); fs->vhost_dev.vqs =3D NULL; --=20 2.18.2