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https://chromium.googlesource.com/crosvm/crosvm
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a6e7d6f139
Adds a fall-back to cros_fuzz when compiled without fuzzing enabled that will just produce a main fn entrypoint with the fuzzing code. This allows the fuzzing code to be compiled, but won't produce functional fuzzing binaries. BUG=b:265829867 FIXES=b:244631591 TEST=crosvm CQ cargo +nightly fuzz run --fuzz-dir crosvm-fuzz --features upstream-fuzz crosvm_block_fuzzer Change-Id: Ib2602aab5c5373cb2a71dca0d8419640a00c6725 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4167143 Commit-Queue: Dennis Kempin <denniskempin@google.com> Reviewed-by: Zihan Chen <zihanchen@google.com>
30 lines
877 B
Rust
30 lines
877 B
Rust
// Copyright 2019 The ChromiumOS Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#![cfg(not(test))]
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#![no_main]
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use std::fs::File;
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use std::io::Write;
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use cros_fuzz::fuzz_target;
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use vm_memory::GuestAddress;
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use vm_memory::GuestMemory;
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const MEM_SIZE: u64 = 256 * 1024 * 1024;
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fn make_elf_bin(elf_bytes: &[u8]) -> File {
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let mut elf_bin = tempfile::tempfile().expect("failed to create tempfile");
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elf_bin
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.write_all(elf_bytes)
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.expect("failed to write elf to tempfile");
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elf_bin
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}
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fuzz_target!(|bytes| {
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let mut kimage = make_elf_bin(bytes);
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let mem = GuestMemory::new(&[(GuestAddress(0), MEM_SIZE)]).unwrap();
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let _ = kernel_loader::load_elf32(&mem, GuestAddress(0), &mut kimage, 0);
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let _ = kernel_loader::load_elf64(&mem, GuestAddress(0), &mut kimage, 0);
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});
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