National Institute of Standards and Technology
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Test case 237804

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: decrement
GoodSink: Ensure there will not be an underflow before decrementing data
BadSink : Decrement data, which can cause an Underflow
Flow Variant: 02 Control flow: if(1) and if(0)

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