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Buffer overflow is one of the most common types of software vulnerabilities. Various static analysis and dynamic testing techniques have been proposed to detect buffer overflow vulnerabilities. With automatic tool support, static buffer overflow detection technique has been widely used in academia and industry. However, it tends to report too many false positives fundamentally due to the lack of software...
Symbolic execution is a widely-used program analysis technique. It collects and solves path conditions to guide the program traversing. However, due to the limitation of the current constraint solvers, it is difficult to apply symbolic execution on programs with complex path conditions, like nonlinear constraints and function calls. In this paper, we propose a new symbolic execution tool MLB to handle...
Program understanding plays an important role in the maintenance and reuse of open source code. Rapid evolving and bad documentation makes the understanding and reusing difficult. Design patterns are widely employed in the open source code. In this paper, we propose a design pattern directed clustering approach to help understand the structure of open source code. According to the approach, we have...
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