crosvm/fuzz/zimage_fuzzer.rs

29 lines
890 B
Rust
Raw Normal View History

// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#![no_main]
use cros_fuzz::fuzz_target;
use sys_util::{GuestAddress, GuestMemory, SharedMemory};
use std::fs::File;
use std::io::Write;
const MEM_SIZE: u64 = 256 * 1024 * 1024;
fn make_elf_bin(elf_bytes: &[u8]) -> File {
let mut shm = SharedMemory::anon().expect("failed to create shared memory");
shm.set_size(elf_bytes.len() as u64)
.expect("failed to set shared memory size");
shm.write_all(elf_bytes)
.expect("failed to write elf to shared memoy");
shm.into()
}
fuzz_target!(|bytes| {
let mut kimage = make_elf_bin(bytes);
let mem = GuestMemory::new(&[(GuestAddress(0), MEM_SIZE)]).unwrap();
let _ = kernel_loader::load_kernel(&mem, GuestAddress(0), &mut kimage);
});