Coverage Report

Created: 2024-09-14 07:19

/src/skia/fuzz/oss_fuzz/FuzzRegionDeserialize.cpp
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/*
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 * Copyright 2018 Google Inc.
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 *
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 * Use of this source code is governed by a BSD-style license that can be
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 * found in the LICENSE file.
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 */
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkSurface.h"
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#include "src/core/SkRegionPriv.h"
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bool FuzzRegionDeserialize(const uint8_t *data, size_t size) {
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    SkRegion region;
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    if (!region.readFromMemory(data, size)) {
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        return false;
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    }
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    region.computeRegionComplexity();
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    region.isComplex();
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    SkRegion r2;
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    if (region == r2) {
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        region.contains(0,0);
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    } else {
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        region.contains(1,1);
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    }
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    auto s = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(128, 128));
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    if (!s) {
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        // May return nullptr in memory-constrained fuzzing environments
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        return false;
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    }
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    s->getCanvas()->drawRegion(region, SkPaint());
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    SkDEBUGCODE(SkRegionPriv::Validate(region));
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    return true;
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}
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#if defined(SK_BUILD_FOR_LIBFUZZER)
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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    if (size > 512) {
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        return 0;
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    }
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    FuzzRegionDeserialize(data, size);
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    return 0;
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}
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#endif