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Fuzzing is a critical technique in software testing, aiming to uncover vulnerabilities by generating diverse inputs and observing program behaviors. During fuzzing, the seed corpus expands as new inputs that cover previously unseen edges in the program’s execution path are added. However, over time, many seeds in the corpus become redundant, as they can be effectively replaced by better-performing seeds. Retaining these outdated seeds slows the fuzzing process, as computational resources are still spent on them. To address this issue, we propose and implement a dynamic corpus minimization strategy, where the fuzzer periodically prunes the corpus to remove seeds that are unlikely to contribute to further code coverage. By focusing on a refined set of high-value seeds, our approach accelerates fuzzing and improves code coverage. We performed our experimental evaluation during the SBFT’25 Fuzzing Competition.

Tue 29 Apr

Displayed time zone: Eastern Time (US & Canada) change

16:00 - 17:30
Tool Competitions 2 and Award CeremonySBFT at 104
Chair(s): Addison Crump CISPA Helmholtz Center for Information Security, Matteo Biagiola Università della Svizzera italiana, Alessio Gambi Austrian Institute of Technology (AIT), Vincenzo Riccio University of Udine
16:00
15m
Paper
SBFT Tool Competition 2025 - Java Test Case Generation Track
SBFT
Fitsum Kifetew Fondazione Bruno Kessler, Yun Lin Shanghai Jiao Tong University, Davide Prandi Fondazione Bruno Kessler
16:15
15m
Paper
EvoFuzz at the SBFT 2025 Java Tool Competition
SBFT
Seokhyeon Moon , Jinwoo Choi Technology Research, Samsung SDS, Seoul, Republic of Korea, Yoon-Chan Jhi Technology Research, Samsung SDS, Seoul, South Korea
16:30
15m
Paper
SBFT Tool Competition 2025 - Fuzzing Track
SBFT
Addison Crump CISPA Helmholtz Center for Information Security, Matteo Leonelli CISPA Helmholtz Center for Information Security, Sahil Sihag CISPA Helmholtz Center for Information Security
16:45
15m
Paper
KRAKEN-FUZZ: Minimizing Corpus During Fuzzing
SBFT
Jikai Wang Huazhong University of Science and Technology, Yuekang Li UNSW, Kailong Wang Huazhong University of Science and Technology
17:00
15m
Paper
HFuzz: Havoc Mode Guided Fuzzing
SBFT
Yuchong Xie Hong Kong University of Science and Technology, Dongdong She HKUST (The Hong Kong University of Science and Technology)
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