skia2/fuzz/oss_fuzz/FuzzSKSL2Metal.cpp
Kevin Lubick 39cbe46df6 Add input length check when fuzzing
Otherwise, the string constructor can walk off the end
looking for a null terminator that never arrives.

Fix some logging copypasta

Bug: skia:
Change-Id: I0cb1b0b75673f64a5ac647307dbc04253f707686
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/199937
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
2019-03-11 20:08:07 +00:00

37 lines
1.1 KiB
C++

/*
* Copyright 2019 Google, LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrShaderCaps.h"
#include "SkSLCompiler.h"
#include "../Fuzz.h"
bool FuzzSKSL2Metal(sk_sp<SkData> bytes) {
SkSL::Compiler compiler;
SkSL::String output;
SkSL::Program::Settings settings;
sk_sp<GrShaderCaps> caps = SkSL::ShaderCapsFactory::Default();
settings.fCaps = caps.get();
std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
SkSL::Program::kFragment_Kind,
SkSL::String((const char*) bytes->data(),
bytes->size()),
settings);
if (!program || !compiler.toMetal(*program, &output)) {
return false;
}
return true;
}
#if defined(IS_FUZZING_WITH_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzSKSL2Metal(bytes);
return 0;
}
#endif