Test case 85305

Description

CWE: 191 Integer Underflow
BadSource: connect_socket Read data using a connect socket (client side)
GoodSource: Set data to a small, non-zero number (negative two)
Sinks: multiply
GoodSink: Ensure there will not be an underflow before multiplying data by 2
BadSink : If data is negative, multiply by 2, which can cause an underflow
Flow Variant: 44 Data/control flow: data passed as an argument from one function to a function in the same source file called via a function pointer