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Parallel programs face a new security problem -- concurrency vulnerability, which is caused by a special thread scheduling instead of inputs. In this paper, we propose to automatically fix concurrency vulnerabilities by reducing thread scheduling space. Our method is based on two observations. First, most concurrency vulnerabilities are caused by atomicity violation errors. Second, reducing thread...
Saliency detection is an important step in image processing on computer, which has been widely used in network graphics, fingerprint recognition and other fields. The method of saliency detection based on structural similarity theory uses the structural similarity to abstract high-level human visual system, measuring the saliency of images through a new Center-Surround operator. It overcomes the mosaic...
NoSQL database is deemed as an ideal substitution for the traditional SQL database in such scenarios as bigdata mining, business intelligence, SNS etc., which are characterized by large scale data processing and heavy concurrency workload. However, existing NoSQL databases handle key-value CRUD requests locally in a sequential way which may underutilize the multi-core computing resources on the underlying...
Dynamic test generation approach is becoming increasingly popular to find security vulnerabilities in software. More and more research institutes and organizations use this approach to find security vulnerabilities in binary code. However, the existing binary level dynamic test generation approaches and tools are not retargetable, and can only find vulnerabilities in binaries for a specific ISA. This...
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