Such smoke would normally indicate a problem with the liquids being
dispensed by the carb. Clue: lots of lube.
Depending on which disposable Homelite engine it is, maybe one of the
bolts attaching the "jug" to the crankcase suffered brittle failure.
If no local service available, suggest replace it with something
durable. E.g. Echo, Stihl, anything but cheap s**t. You should have no
problem finding product evaluations, like from Consumer Reports, or