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Author

Sheng-Han Zheng

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Open access Oct 2026

NCFuzz: Configuration-Guided Network Service Fuzzing

This work tackles the problem of finding bugs under non-default configurations, termed ConfBug, by designing a new fuzzer called NCFuzz, which achieves higher coverage than baseline fuzzers and uses configuration knowledge and the relationships between configurations and network messages to guide the fuzzer toward new...

Xue-Song Bai, Heng-Kai Ye, Sheng-Han Zheng et al. · 0 citations
#artificial intelligence Preprint Sep 2026

BenchShield: Formal Model-Backed Instrumentation for Reward Integrity in LLM-Agent Evaluation Infrastructure

BenchShield is presented, a model-backed instrumentation layer for reward integrity in LLM-agent evaluation that grounds detection in a finite lifecycle model of an evaluation's reward-relevant events and achieves 96% accuracy in detecting reward hacking from infrastructure-side evidence.

Sheng-Han Zheng, Zong-Lin Di, Yimin Liu et al. · 0 citations

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