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Chengnian Sun

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Boosting Program Reduction with the Missing Piece of Syntax-Guided TransformationsOOPSLA 20252025-10-16
Introduces Structure Form Conversion as a new syntax-guided transformation and implements three methods including Smaller Structure Replacement and Structure…
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Pushing the Limit of 1-Minimality of Language-Agnostic Program ReductionOOPSLA 20232023-10-23
Vulcan is a language-agnostic postprocessor built on Perses that repeatedly applies three auxiliary reducers—identifier replacement, subtree replacement guided…
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Building Dynamic System Call Sandbox with Partial Order AnalysisOOPSLA 20232023-10-23
Builds a runtime system-call sandbox called DBox that instruments program binaries to gradually disable system calls at identified reduction points using…
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RIFF: Reduced Instruction Footprint for Coverage-Guided FuzzingUSENIX ATC '212021-07-14
RIFF reduces fuzzing overhead by moving runtime computations to instrumentation-time and by turning per-block coverage writes into single-instruction…
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