cloud-hypervisor/fuzz/fuzz_targets/linux_loader_cmdline.rs
Songqian Li 33c15ca273 vmm: remove pub use vm_config in config
This patch removes pub import vm_config in config.rs to eliminate
the ambiguity of vm_comfig reference.

Signed-off-by: Songqian Li <sionli@tencent.com>
2024-09-30 08:18:02 +00:00

38 lines
1.2 KiB
Rust

// Copyright 2018 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.
//
// Copyright © 2022 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
#![no_main]
use libfuzzer_sys::fuzz_target;
use vm_memory::bitmap::AtomicBitmap;
use vm_memory::GuestAddress;
type GuestMemoryMmap = vm_memory::GuestMemoryMmap<AtomicBitmap>;
const MEM_SIZE: usize = 256 * 1024 * 1024;
// From 'arch::x86_64::layout::CMDLINE_START'
const CMDLINE_START: GuestAddress = GuestAddress(0x20000);
fuzz_target!(|bytes| {
let payload_config = vmm::vm_config::PayloadConfig {
firmware: None,
kernel: None,
cmdline: Some(String::from_utf8_lossy(&bytes).to_string()),
initramfs: None,
#[cfg(feature = "igvm")]
igvm: None,
};
let kernel_cmdline = match vmm::vm::Vm::generate_cmdline(&payload_config) {
Ok(cmdline) => cmdline,
_ => return,
};
let guest_memory = GuestMemoryMmap::from_ranges(&[(GuestAddress(0), MEM_SIZE)]).unwrap();
linux_loader::loader::load_cmdline(&guest_memory, CMDLINE_START, &kernel_cmdline).ok();
});