National Institute of Standards and Technology
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Test case 85430

Description

CWE: 191 Integer Underflow
BadSource: fgets Read data from the console using fgets()
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: 09 Control flow: if(GLOBAL_CONST_TRUE) and if(GLOBAL_CONST_FALSE)

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