You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.4 KiB
49 lines
1.4 KiB
4 months ago
|
// 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 std::convert::TryInto;
|
||
|
|
|
||
|
|
use cros_fuzz::fuzz_target;
|
||
|
|
use devices::virtio::{create_descriptor_chain, DescriptorType, Reader, Writer};
|
||
|
|
use fuse::fuzzing::fuzz_server;
|
||
|
|
use vm_memory::{GuestAddress, GuestMemory};
|
||
|
|
|
||
|
|
const MEM_SIZE: u64 = 256 * 1024 * 1024;
|
||
|
|
const BUFFER_ADDR: GuestAddress = GuestAddress(0x100);
|
||
|
|
|
||
|
|
thread_local! {
|
||
|
|
static GUEST_MEM: GuestMemory = GuestMemory::new(&[(GuestAddress(0), MEM_SIZE)]).unwrap();
|
||
|
|
}
|
||
|
|
|
||
|
|
fuzz_target!(|data| {
|
||
|
|
use DescriptorType::*;
|
||
|
|
|
||
|
|
GUEST_MEM.with(|mem| {
|
||
|
|
mem.write_all_at_addr(data, BUFFER_ADDR).unwrap();
|
||
|
|
|
||
|
|
let chain = create_descriptor_chain(
|
||
|
|
mem,
|
||
|
|
GuestAddress(0),
|
||
|
|
BUFFER_ADDR,
|
||
|
|
vec![
|
||
|
|
(Readable, data.len().try_into().unwrap()),
|
||
|
|
(
|
||
|
|
Writable,
|
||
|
|
(MEM_SIZE as u32)
|
||
|
|
.saturating_sub(data.len().try_into().unwrap())
|
||
|
|
.saturating_sub(0x100),
|
||
|
|
),
|
||
|
|
],
|
||
|
|
0,
|
||
|
|
)
|
||
|
|
.unwrap();
|
||
|
|
|
||
|
|
let r = Reader::new(mem.clone(), chain.clone()).unwrap();
|
||
|
|
let w = Writer::new(mem.clone(), chain).unwrap();
|
||
|
|
fuzz_server(r, w);
|
||
|
|
});
|
||
|
|
});
|