Originally Posted by Airhoss

Critical AOA reacts the same whether right side up or inverted. If you exceed it, you stall. So what you said above is correct, plus any other way you could stall upright. It’s the same for inverted flight.

Out of the realm of transport flying here, but your comment of pulling hard enough inverted to stall is 100% correct. I do it all the time when doing snap rolls on an inverted down line or at the top of a loop.
That is a positive snap roll from inverted. You can also push into a negative snap.