From 9eeede2e710f0e5fab0f65e06e8d40a40cdaebcd Mon Sep 17 00:00:00 2001 From: Kevin Lubick Date: Thu, 3 May 2018 16:26:10 -0400 Subject: Add Skottie fuzzer (via json input) Bug: skia: Change-Id: I97543b73755fca73f2ad014113ae8cd2c9227cf3 Reviewed-on: https://skia-review.googlesource.com/125820 Reviewed-by: Florin Malita Commit-Queue: Kevin Lubick --- fuzz/oss_fuzz/FuzzSkottieJSON.cpp | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 fuzz/oss_fuzz/FuzzSkottieJSON.cpp (limited to 'fuzz/oss_fuzz') diff --git a/fuzz/oss_fuzz/FuzzSkottieJSON.cpp b/fuzz/oss_fuzz/FuzzSkottieJSON.cpp new file mode 100644 index 0000000000..e4f19ccad7 --- /dev/null +++ b/fuzz/oss_fuzz/FuzzSkottieJSON.cpp @@ -0,0 +1,35 @@ +/* + * Copyright 2018 Google, LLC + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SkData.h" +#include "Skottie.h" +#include "SkStream.h" + +void FuzzSkottieJSON(sk_sp bytes) { + // Always returns nullptr to any resource + class EmptyResourceProvider final : public skottie::ResourceProvider { + public: + std::unique_ptr openStream(const char resource[]) const override { + return nullptr; + } + }; + SkMemoryStream stream(bytes); + EmptyResourceProvider erp; + auto animation = skottie::Animation::Make(&stream, erp); + if (!animation) { + return; + } + animation->animationTick(1337); // A "nothing up my sleeve" number +} + +#if defined(IS_FUZZING_WITH_LIBFUZZER) +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + auto bytes = SkData::MakeWithoutCopy(data, size); + FuzzSkottieJSON(bytes); + return 0; +} +#endif -- cgit v1.2.3