Merge "ultrahdr: Add fuzz application for decode api" into udc-dev am: 05ff67be11 am: 9191380a84 (5b54e980) · Commits · e / os / platform_frameworks_native

libs/ultrahdr/fuzzer/Android.bp

+20 −16

Original line number	Diff line number	Diff line
		@@ -24,7 +24,17 @@ package {
		cc_defaults {
		name: "ultrahdr_fuzzer_defaults",
		host_supported: true,
		static_libs: ["liblog"],
		shared_libs: [
		"libimage_io",
		"libjpeg",
		],
		static_libs: [
		"libjpegdecoder",
		"libjpegencoder",
		"libultrahdr",
		"libutils",
		"liblog",
		],
		target: {
		darwin: {
		enabled: false,
		@@ -37,6 +47,8 @@ cc_defaults {
		description: "The fuzzers target the APIs of jpeg hdr",
		service_privilege: "constrained",
		users: "multi_user",
		fuzzed_code_usage: "future_version",
		vector: "local_no_privileges_required",
		},
		}

		@@ -46,20 +58,12 @@ cc_fuzz {
		srcs: [
		"ultrahdr_enc_fuzzer.cpp",
		],
		shared_libs: [
		"libimage_io",
		"libjpeg",
		"liblog",
		],
		static_libs: [
		"libjpegdecoder",
		"libjpegencoder",
		"libultrahdr",
		"libutils",
		],
		fuzz_config: {
		fuzzed_code_usage: "future_version",
		vector: "local_no_privileges_required",
		},
		}

		cc_fuzz {
		name: "ultrahdr_dec_fuzzer",
		defaults: ["ultrahdr_fuzzer_defaults"],
		srcs: [
		"ultrahdr_dec_fuzzer.cpp",
		],
		}

libs/ultrahdr/fuzzer/ultrahdr_dec_fuzzer.cpp

0 → 100644

+73 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2023 The Android Open Source Project
		*
		* 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.
		*/

		// System include files
		#include <fuzzer/FuzzedDataProvider.h>
		#include <iostream>
		#include <vector>

		// User include files
		#include "ultrahdr/jpegr.h"

		using namespace android::ultrahdr;

		// Transfer functions for image data, sync with ultrahdr.h
		const int kOfMin = ULTRAHDR_OUTPUT_UNSPECIFIED + 1;
		const int kOfMax = ULTRAHDR_OUTPUT_MAX;

		class UltraHdrDecFuzzer {
		public:
		UltraHdrDecFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
		void process();

		private:
		FuzzedDataProvider mFdp;
		};

		void UltraHdrDecFuzzer::process() {
		// hdr_of
		auto of = static_cast<ultrahdr_output_format>(mFdp.ConsumeIntegralInRange<int>(kOfMin, kOfMax));
		auto buffer = mFdp.ConsumeRemainingBytes<uint8_t>();
		jpegr_compressed_struct jpegImgR{buffer.data(), (int)buffer.size(), (int)buffer.size(),
		ULTRAHDR_COLORGAMUT_UNSPECIFIED};

		std::vector<uint8_t> iccData(0);
		std::vector<uint8_t> exifData(0);
		jpegr_info_struct info{0, 0, &iccData, &exifData};
		JpegR jpegHdr;
		(void)jpegHdr.getJPEGRInfo(&jpegImgR, &info);
		//#define DUMP_PARAM
		#ifdef DUMP_PARAM
		std::cout << "input buffer size " << jpegImgR.length << std::endl;
		std::cout << "image dimensions " << info.width << " x " << info.width << std::endl;
		#endif
		size_t outSize = info.width * info.height * ((of == ULTRAHDR_OUTPUT_SDR) ? 4 : 8);
		jpegr_uncompressed_struct decodedJpegR;
		auto decodedRaw = std::make_unique<uint8_t[]>(outSize);
		decodedJpegR.data = decodedRaw.get();
		ultrahdr_metadata_struct metadata;
		jpegr_uncompressed_struct decodedGainMap{};
		(void)jpegHdr.decodeJPEGR(&jpegImgR, &decodedJpegR,
		mFdp.ConsumeFloatingPointInRange<float>(1.0, FLT_MAX), nullptr, of,
		&decodedGainMap, &metadata);
		if (decodedGainMap.data) free(decodedGainMap.data);
		}

		extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
		UltraHdrDecFuzzer fuzzHandle(data, size);
		fuzzHandle.process();
		return 0;
		}

libs/ultrahdr/fuzzer/ultrahdr_enc_fuzzer.cpp

+10 −11

Original line number	Diff line number	Diff line
		@@ -55,12 +55,9 @@ const int kOfMax = ULTRAHDR_OUTPUT_MAX;
		const int kQfMin = 0;
		const int kQfMax = 100;

		// seed
		const unsigned kSeed = 0x7ab7;

		class JpegHDRFuzzer {
		class UltraHdrEncFuzzer {
		public:
		JpegHDRFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
		UltraHdrEncFuzzer(const uint8_t* data, size_t size) : mFdp(data, size){};
		void process();
		void fillP010Buffer(uint16_t* data, int width, int height, int stride);
		void fill420Buffer(uint8_t* data, int size);
		@@ -69,7 +66,7 @@ private:
		FuzzedDataProvider mFdp;
		};

		void JpegHDRFuzzer::fillP010Buffer(uint16_t* data, int width, int height, int stride) {
		void UltraHdrEncFuzzer::fillP010Buffer(uint16_t* data, int width, int height, int stride) {
		uint16_t* tmp = data;
		std::vector<uint16_t> buffer(16);
		for (int i = 0; i < buffer.size(); i++) {
		@@ -78,22 +75,24 @@ void JpegHDRFuzzer::fillP010Buffer(uint16_t* data, int width, int height, int st
		for (int j = 0; j < height; j++) {
		for (int i = 0; i < width; i += buffer.size()) {
		memcpy(data + i, buffer.data(), std::min((int)buffer.size(), (width - i)));
		std::shuffle(buffer.begin(), buffer.end(), std::default_random_engine(kSeed));
		std::shuffle(buffer.begin(), buffer.end(),
		std::default_random_engine(std::random_device{}()));
		}
		tmp += stride;
		}
		}

		void JpegHDRFuzzer::fill420Buffer(uint8_t* data, int size) {
		void UltraHdrEncFuzzer::fill420Buffer(uint8_t* data, int size) {
		std::vector<uint8_t> buffer(16);
		mFdp.ConsumeData(buffer.data(), buffer.size());
		for (int i = 0; i < size; i += buffer.size()) {
		memcpy(data + i, buffer.data(), std::min((int)buffer.size(), (size - i)));
		std::shuffle(buffer.begin(), buffer.end(), std::default_random_engine(kSeed));
		std::shuffle(buffer.begin(), buffer.end(),
		std::default_random_engine(std::random_device{}()));
		}
		}

		void JpegHDRFuzzer::process() {
		void UltraHdrEncFuzzer::process() {
		while (mFdp.remaining_bytes()) {
		struct jpegr_uncompressed_struct p010Img {};
		struct jpegr_uncompressed_struct yuv420Img {};
		@@ -293,7 +292,7 @@ void JpegHDRFuzzer::process() {
		}

		extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
		JpegHDRFuzzer fuzzHandle(data, size);
		UltraHdrEncFuzzer fuzzHandle(data, size);
		fuzzHandle.process();
		return 0;
		}

libs/ultrahdr/include/ultrahdr/jpegdecoderhelper.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,10 @@ extern "C" {
		}
		#include <utils/Errors.h>
		#include <vector>

		static const int kMaxWidth = 8192;
		static const int kMaxHeight = 8192;

		namespace android::ultrahdr {
		/*
		* Encapsulates a converter from JPEG to raw image (YUV420planer or grey-scale) format.

libs/ultrahdr/jpegdecoderhelper.cpp

+6 −0

Original line number	Diff line number	Diff line
		@@ -213,6 +213,12 @@ bool JpegDecoderHelper::decode(const void* image, int length, bool decodeToRGBA)
		}
		}

		if (cinfo.image_width > kMaxWidth \|\| cinfo.image_height > kMaxHeight) {
		// constraint on max width and max height is only due to alloc constraints
		// tune these values basing on the target device
		return false;
		}

		mWidth = cinfo.image_width;
		mHeight = cinfo.image_height;