Submitted by 0x52, also found by GimelSec
GolomTrader.sol#L312-L317
Order unable to be cancelled by cancelOrder.
cancelOrder will overflow in the line shown above if o.tokenAmt is type(uint256).max causing the transaction to always revert for that order.
I dont see any reason why 1 should be added to o.tokenAmt, change to:
0xsaruman (Golom) acknowledged, but disagreed with severity
