RusyFuzz: Unhandled Exception Guided Fuzzing for Rust OS Kernel

Rust’s strong type system and ownership model eliminate many traditional memory safety issues in OS kernels. However, logic errors—such as unchecked indexing and failed unwrap operations—can still cause panic!s that crash the entire system. Existing kernel fuzzers, designed primarily for C-based kernels and reliant on KCOV, treat all crashes uniformly and fail to account for Rust-specific failure modes.