This crash happens to me atleast once every hour while playing minecraft. This crash happens while playing singleplayer and also in online multiplayer.

Everything is all good on my end (Updated java, tried reinstalling minecraft, newest OS update, etc.)

Computer specs:
Macbook Pro
Processor 2.66 GHz Intel Core i7
Memory 8 GB 1067 MHz DDR3
Graphics NVIDIA GeForce GT 330M 512 MB

OS X 10.8.4

Development Console:

Client> Invalid memory access of location 0x0 rip=0x10e33c1f7
Game ended with bad state (exit code 139)
Ignoring visibility rule and showing launcher due to a game crash