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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. We developed IOC, a dynamic checking toolfor Integer overflows, and used it to conduct the first detailedempirical study of the prevalence and patterns of occurrenceof Integer overflows in C and C++ code.

for integer overflows, and used it to conduct the first detailed ... and there are code idioms that deliberately use it. On the other hand, C and C++ have ... Although it is commonly known that C and C++ programs contain numerical errors and also benign, deliberate use

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