Seongmin Lee

Extrapolating Coverage Rate in Greybox Fuzzing

2024

A fuzzer can literally run forever. However, as more resources are spent, the coverage rate continuously drops, and the utility of the fuzzer declines. To tackle this coverage-resource tradeoff, we could introduce a policy to …

Effective Guidance for Model Attention with Simple Yes-no Annotations

2024

Modern deep learning models often make predictions by focusing on irrelevant areas, leading to biased performance and limited generalization. Existing methods aimed at rectifying model attention require explicit labels for irrelevant areas or complex pixel-wise …