I have overloaded guns to see what happens.
38 specials have more safety factory than most guns.
1) But when they blow up, they send pieces of the cylinder to the right and/or left. The top strap breaks half the time.
I have never been hurt in splitting at least (3) 38 special cylinders, as I stand behind the revolver, but I have put holes in the walls I was standing next to with the flying cylinder pieces. Some will blow up this side of sticky cases and some will not. If they did it was always in excess of max published 357 mag loads.
2) They can shoot rotationally loose. To quote Dfariswheel that knows more than me:
evolvers that lock with some designed in looseness are the S&W, Ruger, Dan Wesson, Taurus, and the later Colt's like the Mark III, Mark V, King Cobra, and Anaconda.
The only modern DA revolvers that lock tightly with the trigger held back are the original Colt action gun like the Python, Diamondback, Detective Special, original Trooper, etc.
I would add, Rugers are loose from the factory, Smiths take some shooting to get loose.
Those revolvers with some looseness can get a lot more with just a little wimpy shooting or it might take super hot loads or may not shoot any looser. It is an unpredictable hazard. The worst design: I have a minty 1901 Colt New Navy Commercial 41 Colt that is still rotationally tight. It would not stay tight if I ever fired it, even with wimpy loads. By 1901 Colt had the good lock up system in the New Service, New Police, Army special, etc, and never should have kept making that wimpy New Navy Commercial.