Function save_the_incident

src/program/libfuzzer.rs:532–561

save the fuzzer and triger input that enables to reproduce this incident

(
    fuzzer_dir: &Path,
    incident_dir: &Path,
    artifact: &[u8],
    err_msg: Option<String>,
)

// save the fuzzer and triger input that enables to reproduce this incident
fn save_the_incident(
    fuzzer_dir: &Path,
    incident_dir: &Path,
    artifact: &[u8],
    err_msg: Option<String>,
) -> Result<()> {
    if incident_dir.exists() {
        return Ok(());
    }
    log::info!("The incident is saved in {incident_dir:?}");
    crate::deopt::utils::create_dir_if_nonexist(incident_dir)?;

    let fuzz_binary = get_fuzzer_path(fuzzer_dir);
    let save_binary = get_fuzzer_path(incident_dir);
    std::fs::copy(fuzz_binary, save_binary)?;

    let save_log = get_fuzzer_log(incident_dir);
    if let Some(err_msg) = err_msg {
        std::fs::write(save_log, err_msg)?;
    } else {
        let fuzz_log = get_fuzzer_log(fuzzer_dir);
        std::fs::copy(fuzz_log, save_log)?;
    }

    let trigger_input: PathBuf = [incident_dir.to_path_buf(), "triger_input".into()]
        .iter()
        .collect();
    std::fs::write(trigger_input, artifact)?;
    Ok(())
}

pub fn is_incident_reproducible(incident_dir: &Path, deopt: &Deopt) -> Result<bool> {
    let fuzzer_binary = get_fuzzer_path(incident_dir);