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Torque3D/Engine/lib/flac/oss-fuzz/reencoder.cc
marauder2k7 a745fc3757 Initial commit 
added libraries:
opus
flac
libsndfile

updated:
libvorbis
libogg
openal

- Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
2024-03-21 17:33:47 +00:00

305 lines
12 KiB
C++
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/* Copyright 2019 Guido Vranken
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <cstddef>
#include <cstdint>
#include <limits>
#include <fuzzing/datasource/datasource.hpp>
#include <fuzzing/memory.hpp>
#include "FLAC++/encoder.h"
#include "FLAC++/decoder.h"
#include "FLAC++/metadata.h"
#include "common.h"
#define MAX_NUM_METADATA_BLOCKS 2048
namespace FLAC {
namespace Encoder {
class FuzzerStream : public Stream {
private:
// fuzzing::datasource::Datasource& ds;
public:
FuzzerStream(fuzzing::datasource::Datasource&) :
Stream() { }
::FLAC__StreamEncoderWriteStatus write_callback(const FLAC__byte buffer[], size_t bytes, uint32_t /* samples */, uint32_t /* current_frame */) override {
fuzzing::memory::memory_test(buffer, bytes);
return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
}
};
}
namespace Decoder {
class FuzzerDecoder : public Stream {
private:
fuzzing::datasource::Datasource& ds;
FLAC::Encoder::FuzzerStream& encoder;
public:
FuzzerDecoder(fuzzing::datasource::Datasource& dsrc, FLAC::Encoder::FuzzerStream& encoder_arg) :
Stream(), ds(dsrc), encoder(encoder_arg) { }
::FLAC__StreamMetadata * metadata_blocks[MAX_NUM_METADATA_BLOCKS] = {0};
int num_metadata_blocks = 0;
void metadata_callback(const ::FLAC__StreamMetadata *metadata) override {
if(num_metadata_blocks < MAX_NUM_METADATA_BLOCKS)
if((metadata_blocks[num_metadata_blocks] = FLAC__metadata_object_clone(metadata)) != NULL)
num_metadata_blocks++;
}
::FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes) override {
try {
const size_t maxCopySize = *bytes;
if ( maxCopySize > 0 ) {
/* memset just to test if this overwrites anything, and triggers ASAN */
memset(buffer, 0, maxCopySize);
}
const auto data = ds.GetData(0);
const auto dataSize = data.size();
const auto copySize = std::min(maxCopySize, dataSize);
if ( copySize > 0 ) {
memcpy(buffer, data.data(), copySize);
}
*bytes = copySize;
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
} catch ( ... ) {
return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
}
}
::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) override {
{
fuzzing::memory::memory_test(&(frame->header), sizeof(frame->header));
fuzzing::memory::memory_test(&(frame->footer), sizeof(frame->footer));
}
{
const auto numChannels = get_channels();
const size_t bytesPerChannel = frame->header.blocksize * sizeof(FLAC__int32);
for (size_t i = 0; i < numChannels; i++) {
fuzzing::memory::memory_test(buffer[i], bytesPerChannel);
}
}
/* Data is checked, now pass it towards encoder */
if(encoder.get_state() == FLAC__STREAM_ENCODER_OK) {
if(encoder.get_channels() != get_channels())
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
if(encoder.get_bits_per_sample() != get_bits_per_sample())
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
encoder.process(buffer, frame->header.blocksize);
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
else
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
void error_callback(::FLAC__StreamDecoderErrorStatus status) override {
fuzzing::memory::memory_test(status);
}
};
}
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
fuzzing::datasource::Datasource ds(data, size);
FLAC::Encoder::FuzzerStream encoder(ds);
FLAC::Decoder::FuzzerDecoder decoder(ds, encoder);
try {
const int channels = ds.Get<uint8_t>();
const int bps = ds.Get<uint8_t>();
encoder.set_channels(channels);
encoder.set_bits_per_sample(bps);
{
const bool res = encoder.set_streamable_subset(ds.Get<bool>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_ogg_serial_number(ds.Get<long>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_verify(ds.Get<bool>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_compression_level(ds.Get<uint8_t>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_do_mid_side_stereo(ds.Get<bool>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_loose_mid_side_stereo(ds.Get<bool>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_max_lpc_order(ds.Get<uint8_t>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_qlp_coeff_precision(ds.Get<uint32_t>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_do_escape_coding(ds.Get<bool>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_min_residual_partition_order(ds.Get<uint32_t>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_max_residual_partition_order(ds.Get<uint32_t>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_total_samples_estimate(ds.Get<uint64_t>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_blocksize(ds.Get<uint16_t>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_limit_min_bitrate(ds.Get<bool>());
fuzzing::memory::memory_test(res);
}
{
const bool res = encoder.set_sample_rate(ds.Get<uint32_t>());
fuzzing::memory::memory_test(res);
}
decoder.set_metadata_respond_all();
{
::FLAC__StreamDecoderInitStatus ret;
if ( ds.Get<bool>() ) {
ret = decoder.init();
} else {
ret = decoder.init_ogg();
}
if ( ret != FLAC__STREAM_DECODER_INIT_STATUS_OK ) {
goto end;
}
decoder.process_until_end_of_metadata();
if(decoder.num_metadata_blocks > 0)
encoder.set_metadata(decoder.metadata_blocks, decoder.num_metadata_blocks);
}
{
::FLAC__StreamEncoderInitStatus ret;
if ( ds.Get<bool>() ) {
ret = encoder.init();
} else {
ret = encoder.init_ogg();
}
if ( ret != FLAC__STREAM_ENCODER_INIT_STATUS_OK ) {
goto end;
}
}
/* These sets must fail, because encoder is already initialized */
{
bool res = false;
res = res || encoder.set_streamable_subset(true);
res = res || encoder.set_ogg_serial_number(0);
res = res || encoder.set_verify(true);
res = res || encoder.set_compression_level(0);
res = res || encoder.set_do_exhaustive_model_search(true);
res = res || encoder.set_do_mid_side_stereo(true);
res = res || encoder.set_loose_mid_side_stereo(true);
res = res || encoder.set_apodization("test");
res = res || encoder.set_max_lpc_order(0);
res = res || encoder.set_qlp_coeff_precision(0);
res = res || encoder.set_do_qlp_coeff_prec_search(true);
res = res || encoder.set_do_escape_coding(true);
res = res || encoder.set_min_residual_partition_order(0);
res = res || encoder.set_max_residual_partition_order(0);
res = res || encoder.set_rice_parameter_search_dist(0);
res = res || encoder.set_total_samples_estimate(0);
res = res || encoder.set_channels(channels);
res = res || encoder.set_bits_per_sample(16);
res = res || encoder.set_limit_min_bitrate(true);
res = res || encoder.set_blocksize(3021);
res = res || encoder.set_sample_rate(44100);
fuzzing::memory::memory_test(res);
if(res)
abort();
}
{
/* XORing values as otherwise compiler will optimize, apparently */
bool res = false;
res = res != encoder.get_streamable_subset();
res = res != encoder.get_verify();
res = res != encoder.get_do_exhaustive_model_search();
res = res != encoder.get_do_mid_side_stereo();
res = res != encoder.get_loose_mid_side_stereo();
res = res != encoder.get_max_lpc_order();
res = res != encoder.get_qlp_coeff_precision();
res = res != encoder.get_do_qlp_coeff_prec_search();
res = res != encoder.get_do_escape_coding();
res = res != encoder.get_min_residual_partition_order();
res = res != encoder.get_max_residual_partition_order();
res = res != encoder.get_rice_parameter_search_dist();
res = res != encoder.get_total_samples_estimate();
res = res != encoder.get_channels();
res = res != encoder.get_bits_per_sample();
res = res != encoder.get_limit_min_bitrate();
res = res != encoder.get_blocksize();
res = res != encoder.get_sample_rate();
fuzzing::memory::memory_test(res);
}
decoder.process_until_end_of_stream();
} catch ( ... ) { }
end:
{
const bool res = encoder.finish();
fuzzing::memory::memory_test(res);
}
{
const bool res = decoder.finish();
fuzzing::memory::memory_test(res);
}
for(int i = 0; i < decoder.num_metadata_blocks; i++)
FLAC__metadata_object_delete(decoder.metadata_blocks[i]);
return 0;
}
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