Function wasm_mutate

pub fn wasm_mutate(
    data: &mut [u8],
    size: usize,
    max_size: usize,
    seed: u32,
    libfuzzer_mutate: fn(data: &mut [u8], size: usize, max_size: usize) -> usize,
) -> usize

Use wasm-mutate to mutate a fuzz input.