1# Fuzzing in Cloud Hypervisor 2 3Cloud Hypervisor uses [cargo-fuzz](https://github.com/rust-fuzz/cargo-fuzz) for fuzzing individual components. 4 5The fuzzers are are in the `fuzz/fuzz_targets` directory 6 7## Preparation 8 9Switch to nightly: 10 11```` 12rustup override set nightly 13```` 14 15Install `cargo fuzz`: 16 17``` 18cargo install cargo-fuzz 19``` 20 21## Running the fuzzers 22 23e.g. To run the `block` fuzzer using all available CPUs: 24 25``` 26cargo fuzz run block -j `nproc` 27``` 28 29## Adding a new fuzzer 30 31``` 32cargo fuzz add <new_fuzzer> 33``` 34 35Inspiration for fuzzers can be found in [crosvm](https://chromium.googlesource.com/chromiumos/platform/crosvm/+/refs/heads/master/fuzz/) 36