On 19.09.18 16:47, Alberto Garcia wrote:
> If qemu_opts_absorb_qdict() fails and we carry on and call
> update_flags_from_options() then that can result on a failed
> assertion:
> 
>    $ qemu-io -c 'reopen -o read-only=foo' hd.qcow2
>    block.c:1101: update_flags_from_options: Assertion `qemu_opt_find(opts, 
> BDRV_OPT_CACHE_DIRECT)' failed.
>    Aborted
> 
> This only happens in bdrv_reopen_queue_child(). Although this function
> doesn't return errors, we can simply keep the wrong options in the
> reopen queue and later bdrv_reopen_prepare() will fail.
> 
> Signed-off-by: Alberto Garcia <be...@igalia.com>
> ---
>  block.c                    | 11 +++++++++--
>  tests/qemu-iotests/133     |  6 ++++++
>  tests/qemu-iotests/133.out |  4 ++++
>  3 files changed, 19 insertions(+), 2 deletions(-)

Reviewed-by: Max Reitz <mre...@redhat.com>

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