National Institute of Standards and Technology
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Test case 86184

Description

CWE: 191 Integer Underflow
BadSource: fscanf Read data from the console using fscanf()
GoodSource: Set data to a small, non-zero number (negative two)
Sinks: sub
GoodSink: Ensure there will not be an underflow before subtracting 1 from data
BadSink : Subtract 1 from data, which can cause an Underflow
Flow Variant: 73 Data flow: data passed in a list from one function to another in different source files

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