* Copyright (c) 2023 Huawei Device Co., Ltd.
* 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 "layer_fuzzer.h"
#include <cstddef>
#include <cstdint>
#include <securec.h>
#include "display_common_fuzzer.h"
namespace OHOS {
using namespace OHOS::HDI::Display::Buffer::V1_0;
using namespace OHOS::HDI::Display::Composer::V1_1;
static sptr<Composer::V1_5::IDisplayComposerInterface> g_composerInterface = nullptr;
static std::shared_ptr<IDisplayBuffer> g_bufferInterface = nullptr;
static bool g_isInit = false;
static const uint8_t* g_data = nullptr;
static size_t g_dataSize = 0;
static size_t g_pos;
* describe: get data from outside untrusted data(g_data) which size is according to sizeof(T)
* tips: only support basic type
*/
template<class T>
T GetData()
{
T object {};
size_t objectSize = sizeof(object);
if (g_data == nullptr || objectSize > g_dataSize - g_pos) {
return object;
}
errno_t ret = memcpy_s(&object, objectSize, g_data + g_pos, objectSize);
if (ret != EOK) {
return {};
}
g_pos += objectSize;
return object;
}
static int32_t GetLayerInfo(LayerInfo& layerInfo)
{
uint32_t lenLayerType = GetArrLength(CONVERT_TABLE_LAYER_TYPE);
if (lenLayerType == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_LAYER_TYPE length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
uint32_t lenFormat = GetArrLength(CONVERT_TABLE_FORMAT);
if (lenFormat == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_FORMAT length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
layerInfo.width = GetData<uint32_t>() % WIDTH;
layerInfo.height = GetData<uint32_t>() % HEIGHT;
layerInfo.type = CONVERT_TABLE_LAYER_TYPE[GetData<uint32_t>() % lenLayerType];
layerInfo.bpp = GetData<uint32_t>();
layerInfo.pixFormat = CONVERT_TABLE_FORMAT[GetData<uint32_t>() % lenFormat];
return DISPLAY_SUCCESS;
}
static int32_t GetLayerAlpha(LayerAlpha& alpha)
{
alpha.enGlobalAlpha = GetRandBoolValue(GetData<uint32_t>());
alpha.enPixelAlpha = GetRandBoolValue(GetData<uint32_t>());
alpha.alpha0 = GetData<uint32_t>() % ALPHA_VALUE_RANGE;
alpha.alpha1 = GetData<uint32_t>() % ALPHA_VALUE_RANGE;
alpha.gAlpha = GetData<uint32_t>() % ALPHA_VALUE_RANGE;
return DISPLAY_SUCCESS;
}
static int32_t GetAllocInfo(AllocInfo& info)
{
uint32_t lenUsage = GetArrLength(CONVERT_TABLE_USAGE);
if (lenUsage == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_USAGE length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
uint32_t lenFormat = GetArrLength(CONVERT_TABLE_FORMAT);
if (lenFormat == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_FORMAT length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
info.width = GetData<uint32_t>() % WIDTH;
info.height = GetData<uint32_t>() % HEIGHT;
info.usage = CONVERT_TABLE_USAGE[GetData<uint32_t>() % lenUsage];
info.format = CONVERT_TABLE_FORMAT[GetData<uint32_t>() % lenFormat];
info.expectedSize = info.width * info.height;
return DISPLAY_SUCCESS;
}
static int32_t GetIRect(IRect& rect)
{
rect.x = GetData<int32_t>();
rect.y = GetData<int32_t>();
rect.w = GetData<int32_t>();
rect.h = GetData<int32_t>();
return DISPLAY_SUCCESS;
}
BufferHandle* UsingAllocmem()
{
AllocInfo info = { 0 };
int32_t ret = GetAllocInfo(info);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function GetAllocInfo failed", __func__);
return nullptr;
}
BufferHandle* handle = nullptr;
ret = g_bufferInterface->AllocMem(info, handle);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function AllocMem failed", __func__);
return nullptr;
}
return handle;
}
int32_t UsingCreateLayer(uint32_t devId, uint32_t& layerId)
{
LayerInfo layerInfo;
int32_t ret = GetLayerInfo(layerInfo);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function GetLayerInfo failed", __func__);
return DISPLAY_FAILURE;
}
uint32_t bufferCount = 3;
ret = g_composerInterface->CreateLayer(devId, layerInfo, bufferCount, layerId);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function CreateLayer failed", __func__);
}
return ret;
}
int32_t UsingCloseLayer(uint32_t devId, uint32_t layerId)
{
int32_t ret = g_composerInterface->DestroyLayer(devId, layerId);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function CloseLayer failed", __func__);
return DISPLAY_FAILURE;
}
return ret;
}
int32_t TestSetLayerAlpha(uint32_t devId, uint32_t layerId)
{
LayerAlpha alpha = {0};
int32_t ret = GetLayerAlpha(alpha);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function GetLayerAlpha failed", __func__);
return DISPLAY_FAILURE;
}
ret = g_composerInterface->SetLayerAlpha(0, 0, alpha);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLyerAlpha failed", __func__);
return DISPLAY_FAILURE;
}
return ret;
}
int32_t TestSetLayerRegion(uint32_t devId, uint32_t layerId)
{
IRect rect;
int32_t ret = GetIRect(rect);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function GetIRect failed", __func__);
return DISPLAY_FAILURE;
}
ret = g_composerInterface->SetLayerRegion(devId, layerId, rect);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerRegion failed", __func__);
}
return ret;
}
int32_t TestSetLayerCrop(uint32_t devId, uint32_t layerId)
{
IRect rect;
int32_t ret = GetIRect(rect);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function GetIRect failed", __func__);
return DISPLAY_FAILURE;
}
ret = g_composerInterface->SetLayerCrop(devId, layerId, rect);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerCrop failed", __func__);
}
return ret;
}
int32_t TestSetLayerZorder(uint32_t devId, uint32_t layerId)
{
uint32_t zorder = GetData<uint32_t>();
int32_t ret = g_composerInterface->SetLayerZorder(devId, layerId, zorder);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerZorder failed", __func__);
}
return ret;
}
int32_t TestSetLayerPreMulti(uint32_t devId, uint32_t layerId)
{
bool preMul = GetRandBoolValue(GetData<uint32_t>());
int32_t ret = g_composerInterface->SetLayerPreMulti(devId, layerId, preMul);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerPreMulti failed", __func__);
}
return ret;
}
int32_t TestSetLayerTransformMode(uint32_t devId, uint32_t layerId)
{
uint32_t len = GetArrLength(CONVERT_TABLE_ROTATE);
if (len == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_ROTATE length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
TransformType type = CONVERT_TABLE_ROTATE[GetData<uint32_t>() % len];
int32_t ret = g_composerInterface->SetLayerTransformMode(devId, layerId, type);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerTransformMode failed", __func__);
}
return ret;
}
int32_t TestSetLayerDirtyRegion(uint32_t devId, uint32_t layerId)
{
IRect region;
int32_t ret = GetIRect(region);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function GetIRect failed", __func__);
return DISPLAY_FAILURE;
}
std::vector<IRect> vRects;
vRects.push_back(region);
ret = g_composerInterface->SetLayerDirtyRegion(devId, layerId, vRects);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerDirtyRegion failed", __func__);
}
return ret;
}
int32_t TestSetLayerVisibleRegion(uint32_t devId, uint32_t layerId)
{
IRect rect;
int32_t ret = GetIRect(rect);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function GetIRect failed", __func__);
return DISPLAY_FAILURE;
}
std::vector<IRect> vRects;
vRects.push_back(rect);
ret = g_composerInterface->SetLayerVisibleRegion(devId, layerId, vRects);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerVisibleRegion failed", __func__);
}
return ret;
}
int32_t TestSetLayerBuffer(uint32_t devId, uint32_t layerId)
{
int32_t fence = GetData<int32_t>();
BufferHandle* buffer = UsingAllocmem();
if (buffer == nullptr) {
HDF_LOGE("%{public}s: Failed to UsingAllocmem", __func__);
return DISPLAY_FAILURE;
}
uint32_t seqNo = GetData<uint32_t>();
std::vector<uint32_t> deletingList;
int32_t ret = g_composerInterface->SetLayerBuffer(devId, layerId, buffer, seqNo, fence, deletingList);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerBuffer failed", __func__);
}
g_bufferInterface->FreeMem(*buffer);
return ret;
}
int32_t TestSetLayerCompositionType(uint32_t devId, uint32_t layerId)
{
uint32_t len = GetArrLength(CONVERT_TABLE_COMPOSITION);
if (len == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_COMPOSITION length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
Composer::V1_0::CompositionType type = CONVERT_TABLE_COMPOSITION[GetData<uint32_t>() % len];
int32_t ret = g_composerInterface->SetLayerCompositionType(devId, layerId, type);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerCompositionType failed", __func__);
}
return ret;
}
int32_t TestSetLayerBlendType(uint32_t devId, uint32_t layerId)
{
uint32_t len = GetArrLength(CONVERT_TABLE_BLEND);
if (len == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_BLEND length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
BlendType type = CONVERT_TABLE_BLEND[GetData<uint32_t>() % len];
int32_t ret = g_composerInterface->SetLayerBlendType(devId, layerId, type);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerBlendType failed", __func__);
}
return ret;
}
int32_t TestSetLayerMaskInfo(uint32_t devId, uint32_t layerId)
{
uint32_t len = GetArrLength(CONVERT_TABLE_MASK);
if (len == 0) {
HDF_LOGE("%{public}s: CONVERT_TABLE_MASK length is equal to 0", __func__);
return DISPLAY_FAILURE;
}
MaskInfo maskInfo = CONVERT_TABLE_MASK[GetData<uint32_t>() % len];
int32_t ret = g_composerInterface->SetLayerMaskInfo(devId, layerId, maskInfo);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerMaskInfo failed", __func__);
}
return ret;
}
int32_t TestSetLayerColor(uint32_t devId, uint32_t layerId)
{
LayerColor layerColor = {
.r = GetData<uint32_t>() % ALPHA_VALUE_RANGE,
.g = GetData<uint32_t>() % ALPHA_VALUE_RANGE,
.b = GetData<uint32_t>() % ALPHA_VALUE_RANGE,
.a = GetData<uint32_t>() % ALPHA_VALUE_RANGE
};
int32_t ret = g_composerInterface->SetLayerColor(devId, layerId, layerColor);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function SetLayerColor failed", __func__);
}
return ret;
}
int32_t TestSetLayerPerFrameParameter(uint32_t devId, uint32_t layerId)
{
std::vector<std::string> ValidKeys = { "FilmFilter", "ArsrDoEnhance", "SDRBrightnessRatio", "BrightnessNit",
"ViewGroupHasValidAlpha", "SourceCropTuning" };
std::string key = ValidKeys[0];
std::vector<int8_t> value;
value.push_back(GetData<int8_t>());
int32_t ret = g_composerInterface->SetLayerPerFrameParameter(devId, layerId, key, value);
if ((ret != DISPLAY_SUCCESS) && (ret != DISPLAY_NOT_SUPPORT)) {
HDF_LOGE("%{public}s: failed with ret=%{public}d", __func__, ret);
}
return ret;
}
typedef int32_t (*TestFuncs[])(uint32_t, uint32_t);
TestFuncs g_testFuncs = {
TestSetLayerAlpha,
TestSetLayerRegion,
TestSetLayerCrop,
TestSetLayerZorder,
TestSetLayerPreMulti,
TestSetLayerTransformMode,
TestSetLayerDirtyRegion,
TestSetLayerVisibleRegion,
TestSetLayerBuffer,
TestSetLayerCompositionType,
TestSetLayerBlendType,
TestSetLayerColor,
TestSetLayerPerFrameParameter,
TestSetLayerMaskInfo
};
bool FuzzTest(const uint8_t* rawData, size_t size)
{
if (rawData == nullptr) {
return false;
}
if (!g_isInit) {
g_isInit = true;
g_composerInterface = Composer::V1_5::IDisplayComposerInterface::Get();
if (g_composerInterface == nullptr) {
HDF_LOGE("%{public}s: get IDisplayComposerInterface failed", __func__);
return false;
}
g_bufferInterface.reset(IDisplayBuffer::Get());
if (g_bufferInterface == nullptr) {
HDF_LOGE("%{public}s: get IDisplayBuffer failed", __func__);
return false;
}
}
g_data = rawData;
g_dataSize = size;
g_pos = 0;
uint32_t code = GetData<uint32_t>();
uint32_t devId = GetData<uint32_t>();
uint32_t layerId = GetData<uint32_t>();
int32_t ret = UsingCreateLayer(devId, layerId);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function UsingCreateLayer failed", __func__);
return false;
}
uint32_t len = GetArrLength(g_testFuncs);
if (len == 0) {
HDF_LOGE("%{public}s: g_testFuncs length is equal to 0", __func__);
return false;
}
ret = g_testFuncs[code % len](devId, layerId);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("function %{public}u failed", code % len);
return false;
}
ret = UsingCloseLayer(devId, layerId);
if (ret != DISPLAY_SUCCESS) {
HDF_LOGE("%{public}s: function UsingCloseLayer failed", __func__);
return false;
}
return true;
}
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
if (size < OHOS::THRESHOLD) {
return 0;
}
OHOS::FuzzTest(data, size);
return 0;
}