Re: [PATCH v2 3/4] mirror: Make sure that source and target size match

[Max Reitz]

On 11.05.20 15:58, Kevin Wolf wrote:
> If the target is shorter than the source, mirror would copy data until
> it reaches the end of the target and then fail with an I/O error when
> trying to write past the end.
> 
> If the target is longer than the source, the mirror job would complete
> successfully, but the target wouldn't actually be an accurate copy of
> the source image (it would contain some additional garbage at the end).
> 
> Fix this by checking that both images have the same size when the job
> starts.
> 
> Signed-off-by: Kevin Wolf <address@hidden>
> Message-Id: <address@hidden>
> Reviewed-by: Eric Blake <address@hidden>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block/mirror.c | 21 ++++++++++++---------
>  1 file changed, 12 insertions(+), 9 deletions(-)

Reviewed-by: Max Reitz <address@hidden>

signature.asc
Description: OpenPGP digital signature