Re: [PATCH 0/2] Remove deprecated qemu-img backing file without format

[Connor Kuehl]

On 5/3/21 2:35 PM, Eric Blake wrote:
> We've gone enough release cycles without noticeable pushback on our
> intentions, so time to make it harder to create images that can form a
> security hole due to a need for format probing rather than an explicit
> format.
> 
> Eric Blake (2):
>   qcow2: Prohibit backing file changes in 'qemu-img amend'
>   qemu-img: Require -F with -b backing image
> 
>  docs/system/deprecated.rst       | 32 ---------------------------
>  docs/system/removed-features.rst | 31 ++++++++++++++++++++++++++
>  block.c                          | 37 ++++++++++----------------------
>  block/qcow2.c                    | 13 ++++-------
>  qemu-img.c                       |  6 ++++--
>  tests/qemu-iotests/061           |  3 +++
>  tests/qemu-iotests/061.out       |  3 ++-
>  tests/qemu-iotests/082.out       |  6 ++++--
>  tests/qemu-iotests/114           | 18 ++++++++--------
>  tests/qemu-iotests/114.out       | 11 ++++------
>  tests/qemu-iotests/301           |  4 +---
>  tests/qemu-iotests/301.out       | 16 ++------------
>  12 files changed, 75 insertions(+), 105 deletions(-)
> 

For the series + the squash attached to patch 2:

Reviewed-by: Connor Kuehl <ckuehl@redhat.com>