File: Comptroller.sol
927:     function _addMarketInternal(address cToken) internal {
928:         for (uint i = 0; i < allMarkets.length; i ++) { //@audit low: unbounded loop
929:             require(allMarkets[i] != CToken(cToken), "market already added");
930:         }
931:         allMarkets.push(CToken(cToken));
932:     }
