Discovering Heap Anomalies in the Wild

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Microsoft Research
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Published on ● Video Link: https://www.youtube.com/watch?v=rw_9v3ZbNEM


Duration: 54:32
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Despite the best efforts of programmers, programs still ship with bugs.  Many of these bugs manifest as anomalies the heap.  This talk discusses two low-overhead synergistic techniques for discovering heap anomalies by exploiting the underlying runtime system.  The first, dynamic object sampling, is a technique for selectively tagging objects with characteristics.  Summarization graphs provide a compact representation of collecting heap characteristics.  We show that these techniques can stand alone or work together to provide ways to discover heap-based bugs with low enough overhead to consider using them in production systems.



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microsoft research