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=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 3DD2DCA9EB6 for ; Wed, 23 Oct 2019 16:21:16 +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 09E7E2084C for ; Wed, 23 Oct 2019 16:21:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="I/Rs50iK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09E7E2084C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41028 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNJNq-0004yp-QK for qemu-devel@archiver.kernel.org; Wed, 23 Oct 2019 12:21:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39736) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNIXF-0005Cz-Fj for qemu-devel@nongnu.org; Wed, 23 Oct 2019 11:26:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iNIXD-0002gl-Dr for qemu-devel@nongnu.org; Wed, 23 Oct 2019 11:26:53 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:38728 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 1iNIXC-0002fo-22 for qemu-devel@nongnu.org; Wed, 23 Oct 2019 11:26:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1571844409; 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; bh=qklT1a54sDhJ5msi3rc+WUt4DkLtK2wOa1/cJBBWDH4=; b=I/Rs50iK6l99VzjP2Czjt2So3rsomNe551A87cCJqQ0cR2cb8As2Csh6yrwMv2pbE3HMd6 2MGP7WVn73BD1x6SKOmNThwsY5oPAhuuURGztWKKvqrEoke+7lkty8yZOUgFkKkIjWrete Z1JAZx5tP3bjFTWq9abtfXwQcV/ugXo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-244-yuoEjBItNs6wpSQogN7eVg-1; Wed, 23 Oct 2019 11:26:45 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 35FFA1005500; Wed, 23 Oct 2019 15:26:44 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-117-192.ams2.redhat.com [10.36.117.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 61AC9608C1; Wed, 23 Oct 2019 15:26:41 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH 0/3] qcow2: Fix image corruption bug in 4.1 Date: Wed, 23 Oct 2019 17:26:17 +0200 Message-Id: <20191023152620.13166-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-MC-Unique: yuoEjBItNs6wpSQogN7eVg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 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: kwolf@redhat.com, psyhomb@gmail.com, michael@weiser.dinsnail.net, vsementsov@virtuozzo.com, den@virtuozzo.com, qemu-devel@nongnu.org, qemu-stable@nongnu.org, dgilbert@redhat.com, mreitz@redhat.com, lersek@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series fixes an image corruption bug that was introduced in commit 69f47505e ('block: avoid recursive block_status call if possible'), first contained in the QEMU 4.1.0 release. This bug was reported by Michael Weiser on Launchpad: https://bugs.launchpad.net/qemu/+bug/1846427 Kevin Wolf (3): coroutine: Add qemu_co_mutex_assert_locked() qcow2: Assert that qcow2_cache_get() callers hold s->lock qcow2: Fix corruption bug in qcow2_detect_metadata_preallocation() include/qemu/coroutine.h | 7 +++++++ block/qcow2-cache.c | 5 +++++ block/qcow2-refcount.c | 2 ++ block/qcow2.c | 3 ++- 4 files changed, 16 insertions(+), 1 deletion(-) --=20 2.20.1