#![no_main] use libfuzzer_sys::fuzz_target; use std::collections::HashMap; fuzz_target!(|data: &[u8]| { if data.is_empty() { return; } if let Ok(s) = std::str::from_utf8(data) { // Fuzz URL query string parsing let _: HashMap = serde_urlencoded::from_str(s).unwrap_or_default(); // Fuzz full URL parsing with query parameters if s.len() > 4 && s.contains('=') { let url = format!("http://localhost:8080/test?{}", s); let _: Result = url.parse(); } } });