skia2/fuzz/oss_fuzz/FuzzSkDescriptorDeserialize.cpp
Zepeng Hu f1eb43e880 replace max_len with if statements
Change-Id: I60d60e9b9ea0b7b6544a36bef7f4e263bb9de532
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/296416
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Zepeng Hu <zepenghu@google.com>
2020-06-16 17:26:30 +00:00

40 lines
890 B
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 "src/core/SkDescriptor.h"
#include "src/core/SkRemoteGlyphCache.h"
void FuzzSkDescriptorDeserialize(sk_sp<SkData> bytes) {
SkAutoDescriptor aDesc;
bool ok = SkFuzzDeserializeSkDescriptor(bytes, &aDesc);
if (!ok) {
return;
}
auto desc = aDesc.getDesc();
desc->computeChecksum();
desc->isValid();
// An arbitrary number
uint32_t tagToFind = 117;
uint32_t ignore;
desc->findEntry(tagToFind, &ignore);
}
#if defined(IS_FUZZING_WITH_LIBFUZZER)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (size > 1024) {
return 0;
}
auto bytes = SkData::MakeWithoutCopy(data, size);
FuzzSkDescriptorDeserialize(bytes);
return 0;
}
#endif