crosvm/fuzz/fuzz_targets/zimage_fuzzer.rs
Dennis Kempin 981f304f84 fuzz: Move fuzzers to standard cargo fuzz location
This simplifies `cargo fuzz` usage. Fuzzers can be built with
`cargo fuzz build` without any other arguments.

BUG=b:279217867
TEST=`cargo fuzz build`

Change-Id: I11b8a8ba4c2b3e2d1a42973699e4d9c3920635b6
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4540001
Commit-Queue: Dennis Kempin <denniskempin@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
2023-05-16 20:43:37 +00:00

30 lines
879 B
Rust

// Copyright 2019 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#![cfg(not(test))]
#![no_main]
use std::fs::File;
use std::io::Write;
use crosvm_fuzz::fuzz_target;
use vm_memory::GuestAddress;
use vm_memory::GuestMemory;
const MEM_SIZE: u64 = 256 * 1024 * 1024;
fn make_elf_bin(elf_bytes: &[u8]) -> File {
let mut elf_bin = tempfile::tempfile().expect("failed to create tempfile");
elf_bin
.write_all(elf_bytes)
.expect("failed to write elf to tempfile");
elf_bin
}
fuzz_target!(|bytes| {
let mut kimage = make_elf_bin(bytes);
let mem = GuestMemory::new(&[(GuestAddress(0), MEM_SIZE)]).unwrap();
let _ = kernel_loader::load_elf32(&mem, GuestAddress(0), &mut kimage, 0);
let _ = kernel_loader::load_elf64(&mem, GuestAddress(0), &mut kimage, 0);
});