crosvm/fuzz/fs_server_fuzzer.rs
George Burgess IV 61126c786c fuzz: fix build
A recent API change made `{Reader,Writer}::new` take `GuestMemory` by
value instead of reference. Since `GuestMemory` is just a pair o'
`Arc`s, this appears to be an easy fix.

BUG=chromium:1125394
TEST=`emerge-amd64-generic crosvm` with a `--profile=fuzzer`'ed board

Change-Id: I964f284134241f958456f87912334a387dfcf61e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2394756
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: George Burgess <gbiv@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
Commit-Queue: George Burgess <gbiv@chromium.org>
2020-09-07 13:15:32 +00:00

48 lines
1.4 KiB
Rust

// 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::fs::fuzzing::fuzz_server;
use devices::virtio::{create_descriptor_chain, DescriptorType, Reader, Writer};
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);
});
});