A hierarchical RL fuzzer with program- and basic-block agents, a semantic block encoder, and UCB module rewards beats Cascade, DifuzzRTL, and ProcessorFuzz on RISC-V coverage and bugs.
Difuzzrtl: Differential fuzz testing to find cpu bugs,
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HiFuzz: Hierarchical Reinforcement Learning for Semantic-Aware and Adaptive CPU Fuzzing
A hierarchical RL fuzzer with program- and basic-block agents, a semantic block encoder, and UCB module rewards beats Cascade, DifuzzRTL, and ProcessorFuzz on RISC-V coverage and bugs.