[libusb] Initial Integration (#3773)

* add libusb files

* add fuzzer

* add fuzzer and modify build

* modified the fuzzer for initial integration

* modified project.yaml file

* modified the build and fuzzer files
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Google AutoFuzz Team 2020-05-07 23:57:43 +02:00 committed by GitHub
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# Copyright 2020 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
FROM gcr.io/oss-fuzz-base/base-builder
MAINTAINER christopher.a.dickens@gmail.com
RUN apt-get update && apt-get install -y make autoconf automake libtool libudev-dev
RUN git clone --depth 1 https://github.com/libusb/libusb libusb
WORKDIR libusb
COPY build.sh *.cc $SRC/

30
projects/libusb/build.sh Executable file
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#!/bin/bash -eu
# Copyright 2020 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
# build project
./autogen.sh
./configure
make -j$(nproc) all
# build fuzzer
for fuzzer in $(find $SRC -name '*_fuzzer.cc'); do
fuzzer_basename=$(basename -s .cc $fuzzer)
$CXX $CXXFLAGS -std=c++11 -I. \
$fuzzer $LIB_FUZZING_ENGINE ./libusb/.libs/libusb-1.0.a \
-lpthread -ludev \
-o $OUT/$fuzzer_basename
done

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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <fuzzer/FuzzedDataProvider.h>
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include "libusb/libusb.h"
#include "libusb/libusbi.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
struct libusb_transfer *transfer;
FuzzedDataProvider stream(data, size);
uint8_t bmRequestType = stream.ConsumeIntegral<uint8_t>();
uint8_t bRequest = stream.ConsumeIntegral<uint8_t>();
uint16_t wValue = stream.ConsumeIntegral<uint16_t>();
uint16_t wIndex = stream.ConsumeIntegral<uint16_t>();
uint16_t wLength = stream.ConsumeIntegral<uint16_t>();
std::vector<char> data_ = stream.ConsumeRemainingBytes<char>();
unsigned char* buffer = reinterpret_cast<unsigned char*>(data_.data());
transfer = libusb_alloc_transfer(0);
if (!transfer) {
return LIBUSB_ERROR_NO_MEM;
}
if (!buffer) {
libusb_free_transfer(transfer);
return LIBUSB_ERROR_NO_MEM;
}
libusb_fill_control_setup(
buffer, bmRequestType, bRequest, wValue, wIndex, wLength);
libusb_free_transfer(transfer);
return 0;
}

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homepage: "http://libusb.info/"
language: c++
primary_contact: "christopher.a.dickens@gmail.com"
auto_ccs:
- "hjelmn@gmail.com"
sanitizers:
- address
- memory
- undefined
architectures:
- x86_64