Reentrancy in Reentrancy.withdrawBalance_fixed_2() (tests/reentrancy.sol#33-40):
	External calls:
	- msg.sender.transfer(userBalance[msg.sender]) (tests/reentrancy.sol#38)
	State variables written after the call(s):
	- Reentrancy.userBalance (tests/reentrancy.sol#4) in userBalance[msg.sender] = 0 (tests/reentrancy.sol#39)
Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#reentrancy-vulnerabilities-3
tests/reentrancy.sol analyzed (1 contracts with 1 detectors), 1 result(s) found