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https://github.com/cloud-hypervisor/cloud-hypervisor.git
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35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
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// Copyright 2018 The Chromium OS Authors. All rights reserved.
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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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//
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// Copyright © 2022 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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use vm_memory::{bitmap::AtomicBitmap, GuestAddress};
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type GuestMemoryMmap = vm_memory::GuestMemoryMmap<AtomicBitmap>;
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const MEM_SIZE: usize = 256 * 1024 * 1024;
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// From 'arch::x86_64::layout::CMDLINE_START'
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const CMDLINE_START: GuestAddress = GuestAddress(0x20000);
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fuzz_target!(|bytes| {
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let payload_config = vmm::config::PayloadConfig {
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firmware: None,
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kernel: None,
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cmdline: Some(String::from_utf8_lossy(&bytes).to_string()),
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initramfs: None,
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};
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let kernel_cmdline = match vmm::vm::Vm::generate_cmdline(&payload_config) {
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Ok(cmdline) => cmdline,
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_ => return,
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};
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let guest_memory = GuestMemoryMmap::from_ranges(&[(GuestAddress(0), MEM_SIZE)]).unwrap();
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linux_loader::loader::load_cmdline(&guest_memory, CMDLINE_START, &kernel_cmdline).ok();
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});
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