#![no_main] #[macro_use] extern crate libfuzzer_sys; extern crate yaxpeax_x86; extern crate yaxpeax_arch; use std::fmt::Write; fuzz_target!(|data: &[u8]| { let x86_64_decoder = yaxpeax_x86::long_mode::InstDecoder::default(); let x86_32_decoder = yaxpeax_x86::protected_mode::InstDecoder::default(); let x86_16_decoder = yaxpeax_x86::real_mode::InstDecoder::default(); if let Ok(inst) = x86_64_decoder.decode_slice(data) { use yaxpeax_x86::long_mode::DisplayStyle; let mut s = String::new(); write!(s, "{}", inst.display_with(DisplayStyle::Intel)).expect("can write"); // MAX_INSTRUCTION_LEN is not a public crate item yet... assert!(s.len() < 512); s.clear(); write!(s, "{}", inst.display_with(DisplayStyle::C)).expect("can write"); // MAX_INSTRUCTION_LEN is not a public crate item yet... assert!(s.len() < 512); }; if let Ok(inst) = x86_32_decoder.decode_slice(data) { use yaxpeax_x86::protected_mode::DisplayStyle; let mut s = String::new(); write!(s, "{}", inst.display_with(DisplayStyle::Intel)).expect("can write"); // MAX_INSTRUCTION_LEN is not a public crate item yet... assert!(s.len() < 512); s.clear(); write!(s, "{}", inst.display_with(DisplayStyle::C)).expect("can write"); // MAX_INSTRUCTION_LEN is not a public crate item yet... assert!(s.len() < 512); }; if let Ok(inst) = x86_16_decoder.decode_slice(data) { use yaxpeax_x86::real_mode::DisplayStyle; let mut s = String::new(); write!(s, "{}", inst.display_with(DisplayStyle::Intel)).expect("can write"); // MAX_INSTRUCTION_LEN is not a public crate item yet... assert!(s.len() < 512); s.clear(); write!(s, "{}", inst.display_with(DisplayStyle::C)).expect("can write"); // MAX_INSTRUCTION_LEN is not a public crate item yet... assert!(s.len() < 512); }; });