$ ./qemu-img create -f qcow2 overlay \
-b 'json: { "file.driver":"ssh",
"file.host":"localhost",
"file.host_key_check":"no" }'
qemu-img: qobject/qdict.c:193: qdict_get_obj: Assertion `obj != ((void *)0)' failed.
Aborted
A similar crash also happens if the file.host field is omitted.
https://bugzilla.redhat.com/show_bug.cgi?id=1147343
Bug found and reported by Jun Li.
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>