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- /*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "fuzz/Fuzz.h"
- #include "include/codec/SkCodec.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkData.h"
- #include "include/core/SkImage.h"
- #include "include/core/SkImageEncoder.h"
- #include "include/core/SkMallocPixelRef.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkPath.h"
- #include "include/core/SkStream.h"
- #include "include/core/SkSurface.h"
- #include "include/core/SkTextBlob.h"
- #include "src/core/SkFontMgrPriv.h"
- #include "src/core/SkOSFile.h"
- #include "src/core/SkPicturePriv.h"
- #include "src/core/SkReadBuffer.h"
- #include "src/utils/SkOSPath.h"
- #include "tools/ToolUtils.h"
- #include "tools/flags/CommandLineFlags.h"
- #include "tools/fonts/TestFontMgr.h"
- #include <iostream>
- #include <map>
- #include <regex>
- #include <signal.h>
- static DEFINE_string2(bytes, b, "", "A path to a file or a directory. If a file, the "
- "contents will be used as the fuzz bytes. If a directory, all files "
- "in the directory will be used as fuzz bytes for the fuzzer, one at a "
- "time.");
- static DEFINE_string2(name, n, "", "If --type is 'api', fuzz the API with this name.");
- static DEFINE_string2(dump, d, "", "If not empty, dump 'image*' or 'skp' types as a "
- "PNG with this name.");
- DEFINE_bool2(verbose, v, false, "Print more information while fuzzing.");
- // This cannot be inlined in DEFINE_string2 due to interleaved ifdefs
- static constexpr char g_type_message[] = "How to interpret --bytes, one of:\n"
- "android_codec\n"
- "animated_image_decode\n"
- "api\n"
- "color_deserialize\n"
- "filter_fuzz (equivalent to Chrome's filter_fuzz_stub)\n"
- "image_decode\n"
- "image_decode_incremental\n"
- "image_mode\n"
- "image_scale\n"
- "json\n"
- "path_deserialize\n"
- "region_deserialize\n"
- "region_set_path\n"
- "skp\n"
- "sksl2glsl\n"
- "sksl2metal\n"
- "sksl2pipeline\n"
- "sksl2spirv\n"
- #if defined(SK_ENABLE_SKOTTIE)
- "skottie_json\n"
- #endif
- "textblob";
- static DEFINE_string2(type, t, "", g_type_message);
- static int fuzz_file(SkString path, SkString type);
- static uint8_t calculate_option(SkData*);
- static SkString try_auto_detect(SkString path, SkString* name);
- static void fuzz_android_codec(sk_sp<SkData>);
- static void fuzz_animated_img(sk_sp<SkData>);
- static void fuzz_api(sk_sp<SkData> bytes, SkString name);
- static void fuzz_color_deserialize(sk_sp<SkData>);
- static void fuzz_filter_fuzz(sk_sp<SkData>);
- static void fuzz_image_decode(sk_sp<SkData>);
- static void fuzz_image_decode_incremental(sk_sp<SkData>);
- static void fuzz_img(sk_sp<SkData>, uint8_t, uint8_t);
- static void fuzz_json(sk_sp<SkData>);
- static void fuzz_path_deserialize(sk_sp<SkData>);
- static void fuzz_region_deserialize(sk_sp<SkData>);
- static void fuzz_region_set_path(sk_sp<SkData>);
- static void fuzz_skp(sk_sp<SkData>);
- static void fuzz_sksl2glsl(sk_sp<SkData>);
- static void fuzz_sksl2metal(sk_sp<SkData>);
- static void fuzz_sksl2spirv(sk_sp<SkData>);
- static void fuzz_sksl2pipeline(sk_sp<SkData>);
- static void fuzz_textblob_deserialize(sk_sp<SkData>);
- static void print_api_names();
- #if defined(SK_ENABLE_SKOTTIE)
- static void fuzz_skottie_json(sk_sp<SkData>);
- #endif
- int main(int argc, char** argv) {
- CommandLineFlags::SetUsage(
- "Usage: fuzz -t <type> -b <path/to/file> [-n api-to-fuzz]\n"
- " fuzz -b <path/to/file>\n"
- "--help lists the valid types. If type is not specified,\n"
- "fuzz will make a guess based on the name of the file.\n");
- CommandLineFlags::Parse(argc, argv);
- gSkFontMgr_DefaultFactory = &ToolUtils::MakePortableFontMgr;
- SkString path = SkString(FLAGS_bytes.isEmpty() ? argv[0] : FLAGS_bytes[0]);
- SkString type = SkString(FLAGS_type.isEmpty() ? "" : FLAGS_type[0]);
- if (!sk_isdir(path.c_str())) {
- return fuzz_file(path, type);
- }
- SkOSFile::Iter it(path.c_str());
- for (SkString file; it.next(&file); ) {
- SkString p = SkOSPath::Join(path.c_str(), file.c_str());
- SkDebugf("Fuzzing %s\n", p.c_str());
- int rv = fuzz_file(p, type);
- if (rv != 0) {
- return rv;
- }
- }
- return 0;
- }
- static int fuzz_file(SkString path, SkString type) {
- sk_sp<SkData> bytes(SkData::MakeFromFileName(path.c_str()));
- if (!bytes) {
- SkDebugf("Could not read %s\n", path.c_str());
- return 1;
- }
- SkString name = SkString(FLAGS_name.isEmpty() ? "" : FLAGS_name[0]);
- if (type.isEmpty()) {
- type = try_auto_detect(path, &name);
- }
- if (type.isEmpty()) {
- SkDebugf("Could not autodetect type of %s\n", path.c_str());
- return 1;
- }
- if (type.equals("android_codec")) {
- fuzz_android_codec(bytes);
- return 0;
- }
- if (type.equals("animated_image_decode")) {
- fuzz_animated_img(bytes);
- return 0;
- }
- if (type.equals("api")) {
- fuzz_api(bytes, name);
- return 0;
- }
- if (type.equals("color_deserialize")) {
- fuzz_color_deserialize(bytes);
- return 0;
- }
- if (type.equals("filter_fuzz")) {
- fuzz_filter_fuzz(bytes);
- return 0;
- }
- if (type.equals("image_decode")) {
- fuzz_image_decode(bytes);
- return 0;
- }
- if (type.equals("image_decode_incremental")) {
- fuzz_image_decode_incremental(bytes);
- return 0;
- }
- if (type.equals("image_scale")) {
- uint8_t option = calculate_option(bytes.get());
- fuzz_img(bytes, option, 0);
- return 0;
- }
- if (type.equals("image_mode")) {
- uint8_t option = calculate_option(bytes.get());
- fuzz_img(bytes, 0, option);
- return 0;
- }
- if (type.equals("json")) {
- fuzz_json(bytes);
- return 0;
- }
- if (type.equals("path_deserialize")) {
- fuzz_path_deserialize(bytes);
- return 0;
- }
- if (type.equals("region_deserialize")) {
- fuzz_region_deserialize(bytes);
- return 0;
- }
- if (type.equals("region_set_path")) {
- fuzz_region_set_path(bytes);
- return 0;
- }
- if (type.equals("pipe")) {
- SkDebugf("I would prefer not to.\n");
- return 0;
- }
- #if defined(SK_ENABLE_SKOTTIE)
- if (type.equals("skottie_json")) {
- fuzz_skottie_json(bytes);
- return 0;
- }
- #endif
- if (type.equals("skp")) {
- fuzz_skp(bytes);
- return 0;
- }
- if (type.equals("sksl2glsl")) {
- fuzz_sksl2glsl(bytes);
- return 0;
- }
- if (type.equals("sksl2metal")) {
- fuzz_sksl2metal(bytes);
- return 0;
- }
- if (type.equals("sksl2spirv")) {
- fuzz_sksl2spirv(bytes);
- return 0;
- }
- if (type.equals("sksl2pipeline")) {
- fuzz_sksl2pipeline(bytes);
- return 0;
- }
- if (type.equals("textblob")) {
- fuzz_textblob_deserialize(bytes);
- return 0;
- }
- SkDebugf("Unknown type %s\n", type.c_str());
- CommandLineFlags::PrintUsage();
- return 1;
- }
- static std::map<std::string, std::string> cf_api_map = {
- {"api_draw_functions", "DrawFunctions"},
- {"api_gradients", "Gradients"},
- {"api_image_filter", "ImageFilter"},
- {"api_mock_gpu_canvas", "MockGPUCanvas"},
- {"api_null_canvas", "NullCanvas"},
- {"api_path_measure", "PathMeasure"},
- {"api_pathop", "Pathop"},
- {"api_polyutils", "PolyUtils"},
- {"api_raster_n32_canvas", "RasterN32Canvas"},
- {"jpeg_encoder", "JPEGEncoder"},
- {"png_encoder", "PNGEncoder"},
- {"skia_pathop_fuzzer", "LegacyChromiumPathop"},
- {"webp_encoder", "WEBPEncoder"}
- };
- // maps clusterfuzz/oss-fuzz -> Skia's name
- static std::map<std::string, std::string> cf_map = {
- {"android_codec", "android_codec"},
- {"animated_image_decode", "animated_image_decode"},
- {"image_decode", "image_decode"},
- {"image_decode_incremental", "image_decode_incremental"},
- {"image_filter_deserialize", "filter_fuzz"},
- {"image_filter_deserialize_width", "filter_fuzz"},
- {"path_deserialize", "path_deserialize"},
- {"region_deserialize", "region_deserialize"},
- {"region_set_path", "region_set_path"},
- {"skjson", "json"},
- {"sksl2glsl", "sksl2glsl"},
- {"sksl2metal", "sksl2metal"},
- {"sksl2spirv", "sksl2spirv"},
- {"sksl2pipeline", "sksl2pipeline"},
- #if defined(SK_ENABLE_SKOTTIE)
- {"skottie_json", "skottie_json"},
- #endif
- {"textblob_deserialize", "textblob"}
- };
- static SkString try_auto_detect(SkString path, SkString* name) {
- std::cmatch m;
- std::regex clusterfuzz("clusterfuzz-testcase(-minimized)?-([a-z0-9_]+)-[\\d]+");
- std::regex skiafuzzer("(api-)?(\\w+)-[a-f0-9]+");
- if (std::regex_search(path.c_str(), m, clusterfuzz)) {
- std::string type = m.str(2);
- if (cf_api_map.find(type) != cf_api_map.end()) {
- *name = SkString(cf_api_map[type].c_str());
- return SkString("api");
- } else {
- if (cf_map.find(type) != cf_map.end()) {
- return SkString(cf_map[type].c_str());
- }
- }
- } else if (std::regex_search(path.c_str(), m, skiafuzzer)) {
- std::string a1 = m.str(1);
- std::string typeOrName = m.str(2);
- if (a1.length() > 0) {
- // it's an api fuzzer
- *name = SkString(typeOrName.c_str());
- return SkString("api");
- } else {
- return SkString(typeOrName.c_str());
- }
- }
- return SkString("");
- }
- void FuzzJSON(sk_sp<SkData> bytes);
- static void fuzz_json(sk_sp<SkData> bytes){
- FuzzJSON(bytes);
- SkDebugf("[terminated] Done parsing!\n");
- }
- #if defined(SK_ENABLE_SKOTTIE)
- void FuzzSkottieJSON(sk_sp<SkData> bytes);
- static void fuzz_skottie_json(sk_sp<SkData> bytes){
- FuzzSkottieJSON(bytes);
- SkDebugf("[terminated] Done animating!\n");
- }
- #endif
- // This adds up the first 1024 bytes and returns it as an 8 bit integer. This allows afl-fuzz to
- // deterministically excercise different paths, or *options* (such as different scaling sizes or
- // different image modes) without needing to introduce a parameter. This way we don't need a
- // image_scale1, image_scale2, image_scale4, etc fuzzer, we can just have a image_scale fuzzer.
- // Clients are expected to transform this number into a different range, e.g. with modulo (%).
- static uint8_t calculate_option(SkData* bytes) {
- uint8_t total = 0;
- const uint8_t* data = bytes->bytes();
- for (size_t i = 0; i < 1024 && i < bytes->size(); i++) {
- total += data[i];
- }
- return total;
- }
- static void print_api_names(){
- SkDebugf("When using --type api, please choose an API to fuzz with --name/-n:\n");
- for (const Fuzzable& fuzzable : sk_tools::Registry<Fuzzable>::Range()) {
- SkDebugf("\t%s\n", fuzzable.name);
- }
- }
- static void fuzz_api(sk_sp<SkData> bytes, SkString name) {
- for (const Fuzzable& fuzzable : sk_tools::Registry<Fuzzable>::Range()) {
- if (name.equals(fuzzable.name)) {
- SkDebugf("Fuzzing %s...\n", fuzzable.name);
- Fuzz fuzz(std::move(bytes));
- fuzzable.fn(&fuzz);
- SkDebugf("[terminated] Success!\n");
- return;
- }
- }
- print_api_names();
- }
- static void dump_png(SkBitmap bitmap) {
- if (!FLAGS_dump.isEmpty()) {
- ToolUtils::EncodeImageToFile(FLAGS_dump[0], bitmap, SkEncodedImageFormat::kPNG, 100);
- SkDebugf("Dumped to %s\n", FLAGS_dump[0]);
- }
- }
- bool FuzzAnimatedImage(sk_sp<SkData> bytes);
- static void fuzz_animated_img(sk_sp<SkData> bytes) {
- if (FuzzAnimatedImage(bytes)) {
- SkDebugf("[terminated] Success from decoding/drawing animated image!\n");
- return;
- }
- SkDebugf("[terminated] Could not decode or draw animated image.\n");
- }
- bool FuzzImageDecode(sk_sp<SkData> bytes);
- static void fuzz_image_decode(sk_sp<SkData> bytes) {
- if (FuzzImageDecode(bytes)) {
- SkDebugf("[terminated] Success from decoding/drawing image!\n");
- return;
- }
- SkDebugf("[terminated] Could not decode or draw image.\n");
- }
- bool FuzzIncrementalImageDecode(sk_sp<SkData> bytes);
- static void fuzz_image_decode_incremental(sk_sp<SkData> bytes) {
- if (FuzzIncrementalImageDecode(bytes)) {
- SkDebugf("[terminated] Success using incremental decode!\n");
- return;
- }
- SkDebugf("[terminated] Could not incrementally decode and image.\n");
- }
- bool FuzzAndroidCodec(sk_sp<SkData> bytes, uint8_t sampleSize);
- static void fuzz_android_codec(sk_sp<SkData> bytes) {
- Fuzz fuzz(bytes);
- uint8_t sampleSize;
- fuzz.nextRange(&sampleSize, 1, 64);
- bytes = SkData::MakeSubset(bytes.get(), 1, bytes->size() - 1);
- if (FuzzAndroidCodec(bytes, sampleSize)) {
- SkDebugf("[terminated] Success on Android Codec sampleSize=%u!\n", sampleSize);
- return;
- }
- SkDebugf("[terminated] Could not use Android Codec sampleSize=%u!\n", sampleSize);
- }
- // This is a "legacy" fuzzer that likely does too much. It was based off of how
- // DM reads in images. image_decode, image_decode_incremental and android_codec
- // are more targeted fuzzers that do a subset of what this one does.
- static void fuzz_img(sk_sp<SkData> bytes, uint8_t scale, uint8_t mode) {
- // We can scale 1x, 2x, 4x, 8x, 16x
- scale = scale % 5;
- float fscale = (float)pow(2.0f, scale);
- SkDebugf("Scaling factor: %f\n", fscale);
- // We have 5 different modes of decoding.
- mode = mode % 5;
- SkDebugf("Mode: %d\n", mode);
- // This is mostly copied from DMSrcSink's CodecSrc::draw method.
- SkDebugf("Decoding\n");
- std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(bytes));
- if (nullptr == codec.get()) {
- SkDebugf("[terminated] Couldn't create codec.\n");
- return;
- }
- SkImageInfo decodeInfo = codec->getInfo();
- SkISize size = codec->getScaledDimensions(fscale);
- decodeInfo = decodeInfo.makeWH(size.width(), size.height());
- SkBitmap bitmap;
- SkCodec::Options options;
- options.fZeroInitialized = SkCodec::kYes_ZeroInitialized;
- if (!bitmap.tryAllocPixelsFlags(decodeInfo, SkBitmap::kZeroPixels_AllocFlag)) {
- SkDebugf("[terminated] Could not allocate memory. Image might be too large (%d x %d)",
- decodeInfo.width(), decodeInfo.height());
- return;
- }
- switch (mode) {
- case 0: {//kCodecZeroInit_Mode, kCodec_Mode
- switch (codec->getPixels(decodeInfo, bitmap.getPixels(), bitmap.rowBytes(), &options)) {
- case SkCodec::kSuccess:
- SkDebugf("[terminated] Success!\n");
- break;
- case SkCodec::kIncompleteInput:
- SkDebugf("[terminated] Partial Success\n");
- break;
- case SkCodec::kErrorInInput:
- SkDebugf("[terminated] Partial Success with error\n");
- break;
- case SkCodec::kInvalidConversion:
- SkDebugf("Incompatible colortype conversion\n");
- // Crash to allow afl-fuzz to know this was a bug.
- raise(SIGSEGV);
- default:
- SkDebugf("[terminated] Couldn't getPixels.\n");
- return;
- }
- break;
- }
- case 1: {//kScanline_Mode
- if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo)) {
- SkDebugf("[terminated] Could not start scanline decoder\n");
- return;
- }
- void* dst = bitmap.getAddr(0, 0);
- size_t rowBytes = bitmap.rowBytes();
- uint32_t height = decodeInfo.height();
- // We do not need to check the return value. On an incomplete
- // image, memory will be filled with a default value.
- codec->getScanlines(dst, height, rowBytes);
- SkDebugf("[terminated] Success!\n");
- break;
- }
- case 2: { //kStripe_Mode
- const int height = decodeInfo.height();
- // This value is chosen arbitrarily. We exercise more cases by choosing a value that
- // does not align with image blocks.
- const int stripeHeight = 37;
- const int numStripes = (height + stripeHeight - 1) / stripeHeight;
- // Decode odd stripes
- if (SkCodec::kSuccess != codec->startScanlineDecode(decodeInfo)
- || SkCodec::kTopDown_SkScanlineOrder != codec->getScanlineOrder()) {
- // This mode was designed to test the new skip scanlines API in libjpeg-turbo.
- // Jpegs have kTopDown_SkScanlineOrder, and at this time, it is not interesting
- // to run this test for image types that do not have this scanline ordering.
- SkDebugf("[terminated] Could not start top-down scanline decoder\n");
- return;
- }
- for (int i = 0; i < numStripes; i += 2) {
- // Skip a stripe
- const int linesToSkip = SkTMin(stripeHeight, height - i * stripeHeight);
- codec->skipScanlines(linesToSkip);
- // Read a stripe
- const int startY = (i + 1) * stripeHeight;
- const int linesToRead = SkTMin(stripeHeight, height - startY);
- if (linesToRead > 0) {
- codec->getScanlines(bitmap.getAddr(0, startY), linesToRead, bitmap.rowBytes());
- }
- }
- // Decode even stripes
- const SkCodec::Result startResult = codec->startScanlineDecode(decodeInfo);
- if (SkCodec::kSuccess != startResult) {
- SkDebugf("[terminated] Failed to restart scanline decoder with same parameters.\n");
- return;
- }
- for (int i = 0; i < numStripes; i += 2) {
- // Read a stripe
- const int startY = i * stripeHeight;
- const int linesToRead = SkTMin(stripeHeight, height - startY);
- codec->getScanlines(bitmap.getAddr(0, startY), linesToRead, bitmap.rowBytes());
- // Skip a stripe
- const int linesToSkip = SkTMin(stripeHeight, height - (i + 1) * stripeHeight);
- if (linesToSkip > 0) {
- codec->skipScanlines(linesToSkip);
- }
- }
- SkDebugf("[terminated] Success!\n");
- break;
- }
- case 3: { //kSubset_Mode
- // Arbitrarily choose a divisor.
- int divisor = 2;
- // Total width/height of the image.
- const int W = codec->getInfo().width();
- const int H = codec->getInfo().height();
- if (divisor > W || divisor > H) {
- SkDebugf("[terminated] Cannot codec subset: divisor %d is too big "
- "with dimensions (%d x %d)\n", divisor, W, H);
- return;
- }
- // subset dimensions
- // SkWebpCodec, the only one that supports subsets, requires even top/left boundaries.
- const int w = SkAlign2(W / divisor);
- const int h = SkAlign2(H / divisor);
- SkIRect subset;
- SkCodec::Options opts;
- opts.fSubset = ⊂
- SkBitmap subsetBm;
- // We will reuse pixel memory from bitmap.
- void* pixels = bitmap.getPixels();
- // Keep track of left and top (for drawing subsetBm into canvas). We could use
- // fscale * x and fscale * y, but we want integers such that the next subset will start
- // where the last one ended. So we'll add decodeInfo.width() and height().
- int left = 0;
- for (int x = 0; x < W; x += w) {
- int top = 0;
- for (int y = 0; y < H; y+= h) {
- // Do not make the subset go off the edge of the image.
- const int preScaleW = SkTMin(w, W - x);
- const int preScaleH = SkTMin(h, H - y);
- subset.setXYWH(x, y, preScaleW, preScaleH);
- // And fscale
- // FIXME: Should we have a version of getScaledDimensions that takes a subset
- // into account?
- decodeInfo = decodeInfo.makeWH(
- SkTMax(1, SkScalarRoundToInt(preScaleW * fscale)),
- SkTMax(1, SkScalarRoundToInt(preScaleH * fscale)));
- size_t rowBytes = decodeInfo.minRowBytes();
- if (!subsetBm.installPixels(decodeInfo, pixels, rowBytes)) {
- SkDebugf("[terminated] Could not install pixels.\n");
- return;
- }
- const SkCodec::Result result = codec->getPixels(decodeInfo, pixels, rowBytes,
- &opts);
- switch (result) {
- case SkCodec::kSuccess:
- case SkCodec::kIncompleteInput:
- case SkCodec::kErrorInInput:
- SkDebugf("okay\n");
- break;
- case SkCodec::kInvalidConversion:
- if (0 == (x|y)) {
- // First subset is okay to return unimplemented.
- SkDebugf("[terminated] Incompatible colortype conversion\n");
- return;
- }
- // If the first subset succeeded, a later one should not fail.
- // fall through to failure
- case SkCodec::kUnimplemented:
- if (0 == (x|y)) {
- // First subset is okay to return unimplemented.
- SkDebugf("[terminated] subset codec not supported\n");
- return;
- }
- // If the first subset succeeded, why would a later one fail?
- // fall through to failure
- default:
- SkDebugf("[terminated] subset codec failed to decode (%d, %d, %d, %d) "
- "with dimensions (%d x %d)\t error %d\n",
- x, y, decodeInfo.width(), decodeInfo.height(),
- W, H, result);
- return;
- }
- // translate by the scaled height.
- top += decodeInfo.height();
- }
- // translate by the scaled width.
- left += decodeInfo.width();
- }
- SkDebugf("[terminated] Success!\n");
- break;
- }
- case 4: { //kAnimated_Mode
- std::vector<SkCodec::FrameInfo> frameInfos = codec->getFrameInfo();
- if (frameInfos.size() == 0) {
- SkDebugf("[terminated] Not an animated image\n");
- break;
- }
- for (size_t i = 0; i < frameInfos.size(); i++) {
- options.fFrameIndex = i;
- auto result = codec->startIncrementalDecode(decodeInfo, bitmap.getPixels(),
- bitmap.rowBytes(), &options);
- if (SkCodec::kSuccess != result) {
- SkDebugf("[terminated] failed to start incremental decode "
- "in frame %d with error %d\n", i, result);
- return;
- }
- result = codec->incrementalDecode();
- if (result == SkCodec::kIncompleteInput || result == SkCodec::kErrorInInput) {
- SkDebugf("okay\n");
- // Frames beyond this one will not decode.
- break;
- }
- if (result == SkCodec::kSuccess) {
- SkDebugf("okay - decoded frame %d\n", i);
- } else {
- SkDebugf("[terminated] incremental decode failed with "
- "error %d\n", result);
- return;
- }
- }
- SkDebugf("[terminated] Success!\n");
- break;
- }
- default:
- SkDebugf("[terminated] Mode not implemented yet\n");
- }
- dump_png(bitmap);
- }
- static void fuzz_skp(sk_sp<SkData> bytes) {
- SkReadBuffer buf(bytes->data(), bytes->size());
- SkDebugf("Decoding\n");
- sk_sp<SkPicture> pic(SkPicturePriv::MakeFromBuffer(buf));
- if (!pic) {
- SkDebugf("[terminated] Couldn't decode as a picture.\n");
- return;
- }
- SkDebugf("Rendering\n");
- SkBitmap bitmap;
- if (!FLAGS_dump.isEmpty()) {
- SkIRect size = pic->cullRect().roundOut();
- bitmap.allocN32Pixels(size.width(), size.height());
- }
- SkCanvas canvas(bitmap);
- canvas.drawPicture(pic);
- SkDebugf("[terminated] Success! Decoded and rendered an SkPicture!\n");
- dump_png(bitmap);
- }
- static void fuzz_color_deserialize(sk_sp<SkData> bytes) {
- sk_sp<SkColorSpace> space(SkColorSpace::Deserialize(bytes->data(), bytes->size()));
- if (!space) {
- SkDebugf("[terminated] Couldn't deserialize Colorspace.\n");
- return;
- }
- SkDebugf("[terminated] Success! deserialized Colorspace.\n");
- }
- void FuzzPathDeserialize(SkReadBuffer& buf);
- static void fuzz_path_deserialize(sk_sp<SkData> bytes) {
- SkReadBuffer buf(bytes->data(), bytes->size());
- FuzzPathDeserialize(buf);
- SkDebugf("[terminated] path_deserialize didn't crash!\n");
- }
- bool FuzzRegionDeserialize(sk_sp<SkData> bytes);
- static void fuzz_region_deserialize(sk_sp<SkData> bytes) {
- if (!FuzzRegionDeserialize(bytes)) {
- SkDebugf("[terminated] Couldn't initialize SkRegion.\n");
- return;
- }
- SkDebugf("[terminated] Success! Initialized SkRegion.\n");
- }
- void FuzzTextBlobDeserialize(SkReadBuffer& buf);
- static void fuzz_textblob_deserialize(sk_sp<SkData> bytes) {
- SkReadBuffer buf(bytes->data(), bytes->size());
- FuzzTextBlobDeserialize(buf);
- SkDebugf("[terminated] textblob didn't crash!\n");
- }
- void FuzzRegionSetPath(Fuzz* fuzz);
- static void fuzz_region_set_path(sk_sp<SkData> bytes) {
- Fuzz fuzz(bytes);
- FuzzRegionSetPath(&fuzz);
- SkDebugf("[terminated] region_set_path didn't crash!\n");
- }
- void FuzzImageFilterDeserialize(sk_sp<SkData> bytes);
- static void fuzz_filter_fuzz(sk_sp<SkData> bytes) {
- FuzzImageFilterDeserialize(bytes);
- SkDebugf("[terminated] filter_fuzz didn't crash!\n");
- }
- bool FuzzSKSL2GLSL(sk_sp<SkData> bytes);
- static void fuzz_sksl2glsl(sk_sp<SkData> bytes) {
- if (FuzzSKSL2GLSL(bytes)) {
- SkDebugf("[terminated] Success! Compiled input to GLSL.\n");
- } else {
- SkDebugf("[terminated] Could not compile input to GLSL.\n");
- }
- }
- bool FuzzSKSL2SPIRV(sk_sp<SkData> bytes);
- static void fuzz_sksl2spirv(sk_sp<SkData> bytes) {
- if (FuzzSKSL2SPIRV(bytes)) {
- SkDebugf("[terminated] Success! Compiled input to SPIRV.\n");
- } else {
- SkDebugf("[terminated] Could not compile input to SPIRV.\n");
- }
- }
- bool FuzzSKSL2Metal(sk_sp<SkData> bytes);
- static void fuzz_sksl2metal(sk_sp<SkData> bytes) {
- if (FuzzSKSL2Metal(bytes)) {
- SkDebugf("[terminated] Success! Compiled input to Metal.\n");
- } else {
- SkDebugf("[terminated] Could not compile input to Metal.\n");
- }
- }
- bool FuzzSKSL2Pipeline(sk_sp<SkData> bytes);
- static void fuzz_sksl2pipeline(sk_sp<SkData> bytes) {
- if (FuzzSKSL2Pipeline(bytes)) {
- SkDebugf("[terminated] Success! Compiled input to pipeline stage.\n");
- } else {
- SkDebugf("[terminated] Could not compile input to pipeline stage.\n");
- }
- }
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