Common Failure Sources

• Based on correlation of failures to data values, not traced to causality in code

• Associated with a robustness failure were:

  • 94.0% of invalid file pointers (excluding NULL)
  • 82.5% of NULL file pointers
  • 49.8% of invalid buffer pointers (excluding NULL)
  • 46.0% of NULL buffer pointers
  • 44.3% of MININT integer values
  • 36.3% of MAXINT integer values

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