parity-wasm/fuzz/fuzz_targets/fuzz_decode.rs
2017-09-07 12:41:46 -07:00

38 lines
917 B
Rust

#![no_main]
#[macro_use]
extern crate libfuzzer_sys;
extern crate parity_wasm;
extern crate mktemp;
use std::fs::File;
use std::io::Write;
use std::process::Command;
fuzz_target!(|data: &[u8]| {
let seed = mktemp::Temp::new_file().unwrap();
let mut seedfile = File::create(seed.as_ref()).unwrap();
seedfile.write_all(data).unwrap();
seedfile.flush().unwrap();
let wasm = mktemp::Temp::new_file().unwrap();
let opt_fuzz = Command::new("wasm-opt")
.arg("--translate-to-fuzz")
.arg(seed.as_ref())
.arg("-o")
.arg(wasm.as_ref())
.output()
.unwrap();
assert!(
opt_fuzz.status.success(),
format!(
"wasm-opt failed with: {}",
String::from_utf8_lossy(&opt_fuzz.stderr)
)
);
let _module: parity_wasm::elements::Module = parity_wasm::deserialize_file(wasm.as_ref())
.unwrap();
});