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Understanding Integer Overflow in C/C++

Appeared inProceedings of the 34th International Conference on Software Engineering (ICSE), Zurich, Switzerland, June Integer Overflow in C/C++ Will Dietz, Peng Li, John Regehr, and Vikram Adve Department of Computer ScienceUniversity of Illinois at School of ComputingUniversity of Integer overflow bugs in C and C++ programsare difficult to track down and may lead to fatal errors orexploitable vulnerabilities. Although a number of tools forfinding these bugs exist, the situation is complicated becausenot all overflows are bugs. Better tools need to be constructed but a thorough Understanding of the issues behind these errorsdoes not yet exist.

for integer overflows, and used it to conduct the first detailed empirical study of the prevalence and patterns of occurrence of integer overflows in C and C++ code. Our results show that intentional uses of wraparound behaviors are more common than is widely believed; for example, there are over 200

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