63         libfuzzer_sys::fuzz_target!(|data: &[u8]| {
66                 data, $execute, $generate,
70         libfuzzer_sys::fuzz_mutator!(|data: &mut [u8], size: usize, max_size: usize, seed: u32| {
72                 data,
150     data: &mut [u8],  in mutate()
166     if let Ok(input) = extract_fuzz_input(&data[..size]) {  in mutate()
167         let start = input.fuzz_data.as_ptr() as usize - data.as_ptr() as usize;  in mutate()
169         data.copy_within(start..start + input.fuzz_data.len(), 0);  in mutate()
174     let new_size = mutate(data, size, max_size);  in mutate()
185     let mut u = Unstructured::new(&data[..new_size]);  in mutate()
191             let module = encode_module(&module, &data[..new_size]);  in mutate()
198                 data[..module.len()].copy_from_slice(&module);  in mutate()
221         data: Cow::Borrowed(&fuzz_data),  in encode_module()
242 fn extract_fuzz_input(data: &[u8]) -> wasmtime::Result<FuzzInput<'_>> {  in extract_fuzz_input()
245     for section in Parser::new(0).parse_all(data) {  in extract_fuzz_input()
256             if s.name() == SECTION_NAME && s.range().end == data.len() {  in extract_fuzz_input()
258                     module: &data[..prev_end],  in extract_fuzz_input()
259                     fuzz_data: s.data(),  in extract_fuzz_input()
332             data: &[u8],  in changing_configuration_does_not_change_module()
340             Ok((data.to_vec(), known_valid))  in changing_configuration_does_not_change_module()