Re: [PATCH for-5.1] qcow2: Don't open images with a backing file and the data-file-raw bit

[Eric Blake]

On 4/15/20 2:02 PM, Alberto Garcia wrote:
> Although we cannot create these images with qemu-img it is still
> possible to do it using an external tool. QEMU should refuse to open
> them until the data-file-raw bit is cleared with 'qemu-img check'.
>
> Signed-off-by: Alberto Garcia <address@hidden>
> ---
>   block/qcow2.c              | 39 ++++++++++++++++++++++++++++++++++++++
>   tests/qemu-iotests/244     | 13 +++++++++++++
>   tests/qemu-iotests/244.out | 14 ++++++++++++++
>   3 files changed, 66 insertions(+)

Reviewed-by: Eric Blake <address@hidden>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org