Abstract
In today’s information society, flash memory has become a virtually indispensable component, particularly for mobile devices. In order for mobile devices to operate successfully, it is essential that flash memory be controlled correctly through file system software. However, as is typical for embedded software, conventional testing methods often fail to detect hidden flaws in the software due to the difficulty of creating effective test cases. As a different approach, model checking techniques guarantee a complete analysis, but only on a limited scale.
In this paper, we describe an empirical study wherein a concolic testing method is applied to the multi-sector read operation for a flash memory. This method combines a symbolic static analysis and a concrete dynamic analysis to automatically generate test cases and perform exhaustive path testing accordingly. In addition, we analyze the advantages and weaknesses of the concolic testing approach on the domain of the flash file system compared to model checking techniques.
This work was supported by the Engineering Research Center of Excellence Program of Korea Ministry of Education, Science and Technology(MEST)/Korea Science and Engineering Foundation(KOSEF) (grant number R11-2008-007-03002-0) and the MKE(Ministry of Knowledge Economy), Korea, under the ITRC(Information Technology Research Center) support program supervised by NIPA(National IT Industry Promotion Agency) (NIPA-2009-(C1090-0902-0032)).
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Kim, M., Kim, Y. (2009). Concolic Testing of the Multi-sector Read Operation for Flash Memory File System. In: Oliveira, M.V.M., Woodcock, J. (eds) Formal Methods: Foundations and Applications. SBMF 2009. Lecture Notes in Computer Science, vol 5902. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10452-7_17
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DOI: https://doi.org/10.1007/978-3-642-10452-7_17
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