The Never-Ending Fuzzing Time Nightmare

Jazzer ‎is‏ ‎a ‎coverage-guided, ‎in-process ‎fuzzer ‎for‏ ‎the ‎JVM‏ ‎platform‏ ‎developed ‎by ‎Code‏ ‎Intelligence. ‎It‏ ‎is ‎based ‎on ‎libFuzzer‏ ‎and‏ ‎brings ‎many‏ ‎of ‎its‏ ‎instrumentation-powered ‎mutation ‎features ‎to ‎the‏ ‎JVM.

Key‏ ‎Features

📌Coverage-Guided ‎Fuzzing: Uses‏ ‎instrumentation-powered ‎mutation‏ ‎features ‎to ‎guide ‎fuzzing.

📌In-Process ‎Fuzzing:‏ ‎Runs‏ ‎within‏ ‎the ‎JVM‏ ‎process, ‎reducing‏ ‎overhead.

📌Platform ‎Support: Supports‏ ‎Linux‏ ‎x86_64, ‎macOS‏ ‎12+ ‎x86_64 ‎& ‎arm64, ‎and‏ ‎Windows ‎x86_64.

📌Autofuzz‏ ‎Mode: Automatically‏ ‎generates ‎arguments ‎to‏ ‎a ‎given‏ ‎Java ‎function ‎and ‎reports‏ ‎unexpected‏ ‎exceptions ‎and‏ ‎detected ‎security‏ ‎issues.