TMZ: Kodak Black got busted...and was booked for...drug possession, child neglect and grand theft of a firearm.

According to police docs...officers responded to Kodak's home after someone observed the (Instagram) Live broadcast...of multiple men in a bathroom rolling joints and playing with a handgun...Kodak's kid was brought into the bathroom, and was just inches away from a lit joint and the weapon...Kodak did nothing to get the child away from the danger.

The IG Live broadcast was still rolling when police came into the house.