CAROL: Context-Aware Online Learning for Fuzzer Scheduling
Read the original on arXiv Machine Learning →The Flow has not summarised this story yet — read it at arXiv Machine Learning.
The Flow has not summarised this story yet — read it at arXiv Machine Learning.
FuzzingBrain‑Bench V1 is a new benchmark that tests large language models (LLMs) on their ability to discover software bugs in open‑source projects. Unlike prior benchmarks that focus on a single target vulnerability, this benchmark gives models a Docker‑based harness and asks them to generate inputs that trigger as many distinct crashes as possible. The first version contains 77 challenges from 43 projects (36 C, 32 C++, 9 Java/JVM) and evaluates Claude Haiku 4.5, Claude Sonnet 4.6, and Claude Opus 4.8, with Claude Opus 4.8 achieving the highest score by triggering crashes in 60 of 77 challenges.
FaultLens is a method for creating compact behavioral test suites for generated operational programs, balancing thoroughness with cost. It executes a rich probe domain once, stores fault‑probe kill relations, and learns probe orderings from earlier program generations using a fault‑driven greedy component and a mutation‑independent diversity component. In evaluations across multiple environments and program generations, a 32‑probe hybrid suite achieved 99.0% coverage of dynamically killable faults while using only 1.2‑2.0% of the exhaustive domain, and improved macro coverage when a fault family was withheld from training.
FaultLens is a technique for generating compact behavioral test suites for programs produced by automated generators. It learns probe orderings from earlier program generations, combining a fault‑driven greedy component with a mutation‑independent diversity component to cover a wide range of probe families, cases, templates, and temporal bins. In experiments on twenty generated operational policies across four environments, a 32‑probe hybrid suite learned from early generations covered 99.0% of dynamically killable faults in later generations while using only 1.2–2.0% of the exhaustive test domain.
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