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Concurrent data structures are often tested under stress to detect bugs that can only be exposed by some rare interleavings of instructions. A typical stress test for a concurrent data structure creates a number of threads that repeatedly invoke methods of the target data structure. After a failure is detected by a stress test, developers need to localize the fault causing the failure. However, the...
Android applications can leak user's private information and now a days is a major concern. This paper presents MirrorDroid, a novel dynamic analysis based test framework to detect the leakage of private data by Android applications. Our method modifies the Dalvik Virtual Machine to follow execution of the target application with a parallel (mirror) version, which only differs in the sensitive input...
In server applications, threads are created to handle incoming requests. Since threads consume significant resources including CPU cycles and memory, it is important to control the number of threads that are created. In this paper, we introduce a lightweight, static approach to detecting unbounded thread- instantiation loops that may exist in a server application. The key observation of our approach...
A Java monitor is a Java class that defines one or more synchronized methods. Unlike a regular object, a Java monitor object is intended to be accessed by multiple threads simultaneously. Thus, testing a Java monitor can be significantly different from testing a regular class. In this paper, we propose a state exploration-based approach to testing a Java monitor. A novel aspect of our approach is...
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