Re: [PATCH v3 1/8] qemu-img: rebase: stop when reaching EOF of old backing file

[Michael Tokarev]

19.09.2023 19:57, Andrey Drobyshev via wrote:
> In case when we're rebasing within one backing chain, and when target image
> is larger than old backing file, bdrv_is_allocated_above() ends up setting
> *pnum = 0.  As a result, target offset isn't getting incremented, and we
> get stuck in an infinite for loop.  Let's detect this case and proceed
> further down the loop body, as the offsets beyond the old backing size need
> to be explicitly zeroed.
>
> Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
> Reviewed-by: Denis V. Lunev <den@openvz.org>
> Reviewed-by: Hanna Czenczek <hreitz@redhat.com>

Is this change not for -stable anymore?  First version of this patch has been
Cc'd to stable, this one is not.

Thanks,

/mjt