Heap-based bug identification using anomaly detection
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United States of America Patent
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Aug 3, 2010
Grant Date -
Nov 23, 2006
app pub date -
May 20, 2005
filing date -
May 20, 2005
priority date (Note) -
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Abstract
A dynamic analysis tool uses anomaly detection to find heap-based bugs. In spite of the evolving nature of the heap, programs generally exhibit several of properties of their heap usage that remain stable. Periodically, during the execution of the program, the analysis tool computes a suite of metrics which are sensitive to the state of the heap. These metrics track heap behavior, and the stability of the heap reflects quantitatively in the values of these metrics. The ranges of stable metrics, obtained by running a program on a multiple input training set, are then treated as indicators of correct behavior, and are used in conjunction with an anomaly detector to find heap-based bugs.
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