2416f968a6
This also adds in a few small guards to prevent libfuzzer from frequently running out of memory when an image claims to have billions of pixels. Bug: skia: Change-Id: I47a9daac832c4d85a42000698482b61721c38880 Reviewed-on: https://skia-review.googlesource.com/106264 Commit-Queue: Kevin Lubick <kjlubick@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com>
38 lines
836 B
C++
38 lines
836 B
C++
/*
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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 "SkImage.h"
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#include "SkPaint.h"
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkSurface.h"
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void FuzzImage(sk_sp<SkData> bytes) {
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auto img = SkImage::MakeFromEncoded(bytes);
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if (nullptr == img.get()) {
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return;
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}
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auto s = SkSurface::MakeRasterN32Premul(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;
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}
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SkPaint p;
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s->getCanvas()->drawImage(img, 0, 0, &p);
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}
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#if defined(IS_FUZZING_WITH_LIBFUZZER)
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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auto bytes = SkData::MakeWithoutCopy(data, size);
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FuzzImage(bytes);
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return 0;
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}
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#endif
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