From nobody Mon Feb 9 14:02:59 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1579676231; cv=none; d=zohomail.com; s=zohoarc; b=Y84voHEy9RvJ0MGjHqaKcwYjeInkQkr3iwG0LHkuDxz6yAODTbr718UzA34ey22KLisnDfioZ2HH+P0ksbVTvNOH8+uYSGv+/Dh4XNEeDnTexQWpznNgnV2hZMOogRIlOpDMid3C74O9bK4mVH5wyt5g0+yNY8Whu0niSG5EzV8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1579676231; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=EE2u/AAZTtiTF3BR1usKNAN0L1IlKKsiavRWKotl39g=; b=V4DXOzsl1u12z/tY6fn6Nlq87kOeL8p8GUkG/JECwrjPnDOecZuuVoq26SXQ0TQBruBXkTTMVOv3880HQ37kABQSL1Bp9br+1PpfsVrlVkqZB2fjJ0HGfvzb4nbVNSb11OZJr3+JFaKMXvgM2ISU7xiv8N7l377oKZslbvNdBr0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 157967623131817.337072088742957; Tue, 21 Jan 2020 22:57:11 -0800 (PST) Received: from localhost ([::1]:37640 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iu9wr-0004md-Ou for importer@patchew.org; Wed, 22 Jan 2020 01:57:09 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:36169) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iu9qQ-0004ho-8y for qemu-devel@nongnu.org; Wed, 22 Jan 2020 01:50:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iu9qP-00085N-1Y for qemu-devel@nongnu.org; Wed, 22 Jan 2020 01:50:30 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:46800 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iu9qO-00084w-UX for qemu-devel@nongnu.org; Wed, 22 Jan 2020 01:50:28 -0500 Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-373-fDr0b_LXPkyTUz9KSph5xQ-1; Wed, 22 Jan 2020 01:50:26 -0500 Received: by mail-wm1-f71.google.com with SMTP id c4so1662786wmb.8 for ; Tue, 21 Jan 2020 22:50:26 -0800 (PST) Received: from redhat.com (bzq-79-176-0-156.red.bezeqint.net. [79.176.0.156]) by smtp.gmail.com with ESMTPSA id s65sm2664747wmf.48.2020.01.21.22.50.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jan 2020 22:50:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579675828; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EE2u/AAZTtiTF3BR1usKNAN0L1IlKKsiavRWKotl39g=; b=a00YQy0sPe87tPByKxbWg6Qz4zUZ3ER7XitwaHt2nkfV9S9oQdBaaTCQD6q7XxMOXC7Rgg 7G69n91wCvcX1PJer7auGcaQlMKsFmEyNfQeOrfGfRUeCYOaipCveevPRpgQPeHydvsao5 OwuSb8MvX5CgeAHi3Eq6sBxtJyzI96k= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=uL+2BTDQ25Kv4JEooHriCyXb60bUBMFr6mqaTgyAVpc=; b=IoeN2pShs3Xc12Kg/zuousVSOdth7javHS1aqxXorslh+SidnJpW2MpUzpTUXJOBQn EqLF7oirCvPl7+R0EVpJZNnx6iCggF+IL3yLZ3V6YzNm/v+wzfDkG9nw/qMZUspA+gKf IfX9hCzjvsXhftp8YIz+MpLYBq1RY1tzr0OVexEAyKs998uRjAGMzB9djzOUgAH9Oo+C rBd7DSoYJmc6Q4plMKFduAxly8WkXZOlHAaPJ0lcAfV7F1sJJKqsbDEBKNxTmgZ9OSdk qO67GL3EnqT0aImiyZcNGjppUuF/mSGxZAn9p8NrCw6gzR0JegE/fuj5jAjmFuvTIj0Z JNfw== X-Gm-Message-State: APjAAAUq48b8Qks9WvU5wPb3tebHTGr66ITkIcb9hSapbzzwiODcd40y xI4uPcqm1ISP7Vnj0hp1wgKgphUOsj72fP+LMgKyn4FnunJ3VwuzUE3pCrgHgwxSfp0XqWzZAjo df5j1KxCHKeQbnEM= X-Received: by 2002:a1c:4907:: with SMTP id w7mr1224388wma.106.1579675825464; Tue, 21 Jan 2020 22:50:25 -0800 (PST) X-Google-Smtp-Source: APXvYqyAaP1PBbLOAwi5mhrMlI7pqx1xUI6cGdHIaBq8j8mNMomrMYaxBKMs4qu8Dd+HEOWOwU7raw== X-Received: by 2002:a1c:4907:: with SMTP id w7mr1224369wma.106.1579675825298; Tue, 21 Jan 2020 22:50:25 -0800 (PST) Date: Wed, 22 Jan 2020 01:50:23 -0500 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL v2 12/17] virtio-scsi: delete vqs in unrealize to avoid memleaks Message-ID: <20200122064907.512501-13-mst@redhat.com> References: <20200122064907.512501-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200122064907.512501-1-mst@redhat.com> X-Mailer: git-send-email 2.24.1.751.gd10ce2899c X-Mutt-Fcc: =sent X-MC-Unique: fDr0b_LXPkyTUz9KSph5xQ-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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: Fam Zheng , Peter Maydell , Pan Nengyuan , Stefan Hajnoczi , Euler Robot , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Pan Nengyuan This patch fix memleaks when attaching/detaching virtio-scsi device, the memory leak stack is as follow: Direct leak of 21504 byte(s) in 3 object(s) allocated from: #0 0x7f491f2f2970 (/lib64/libasan.so.5+0xef970) ??:? #1 0x7f491e94649d (/lib64/libglib-2.0.so.0+0x5249d) ??:? #2 0x564d0f3919fa (./x86_64-softmmu/qemu-system-x86_64+0x2c3e9fa) /mnt/s= db/qemu/hw/virtio/virtio.c:2333 #3 0x564d0f2eca55 (./x86_64-softmmu/qemu-system-x86_64+0x2b99a55) /mnt/s= db/qemu/hw/scsi/virtio-scsi.c:912 #4 0x564d0f2ece7b (./x86_64-softmmu/qemu-system-x86_64+0x2b99e7b) /mnt/s= db/qemu/hw/scsi/virtio-scsi.c:924 #5 0x564d0f39ee47 (./x86_64-softmmu/qemu-system-x86_64+0x2c4be47) /mnt/s= db/qemu/hw/virtio/virtio.c:3531 #6 0x564d0f980224 (./x86_64-softmmu/qemu-system-x86_64+0x322d224) /mnt/s= db/qemu/hw/core/qdev.c:865 Reported-by: Euler Robot Signed-off-by: Pan Nengyuan Message-Id: <20200117075547.60864-2-pannengyuan@huawei.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Stefan Hajnoczi --- hw/scsi/virtio-scsi.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c index 4bc73a370e..858b3aaccb 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -943,7 +943,13 @@ void virtio_scsi_common_unrealize(DeviceState *dev) { VirtIODevice *vdev =3D VIRTIO_DEVICE(dev); VirtIOSCSICommon *vs =3D VIRTIO_SCSI_COMMON(dev); + int i; =20 + virtio_del_queue(vdev, 0); + virtio_del_queue(vdev, 1); + for (i =3D 0; i < vs->conf.num_queues; i++) { + virtio_del_queue(vdev, i + 2); + } g_free(vs->cmd_vqs); virtio_cleanup(vdev); } --=20 MST