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 <kw...@redhat.com> > Message-Id: <20200507145228.323412-3-kw...@redhat.com> > Reviewed-by: Eric Blake <ebl...@redhat.com> > Signed-off-by: Kevin Wolf <kw...@redhat.com> > --- > block/mirror.c | 21 ++++++++++++--------- > 1 file changed, 12 insertions(+), 9 deletions(-)
Reviewed-by: Max Reitz <mre...@redhat.com>
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