diff options
Diffstat (limited to 'testing/fuzzers/pdf_xml_fuzzer.cc')
-rw-r--r-- | testing/fuzzers/pdf_xml_fuzzer.cc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/testing/fuzzers/pdf_xml_fuzzer.cc b/testing/fuzzers/pdf_xml_fuzzer.cc new file mode 100644 index 0000000000..a3c399f78d --- /dev/null +++ b/testing/fuzzers/pdf_xml_fuzzer.cc @@ -0,0 +1,36 @@ +// Copyright 2016 The PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include <cstddef> +#include <cstdint> +#include <memory> + +#include "core/fxcrt/cfx_memorystream.h" +#include "core/fxcrt/fx_safe_types.h" +#include "core/fxcrt/fx_system.h" +#include "core/fxcrt/xml/cfx_xmldocument.h" +#include "core/fxcrt/xml/cfx_xmlelement.h" +#include "core/fxcrt/xml/cfx_xmlparser.h" +#include "third_party/base/ptr_util.h" + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { + FX_SAFE_SIZE_T safe_size = size; + if (!safe_size.IsValid()) + return 0; + + auto stream = pdfium::MakeRetain<CFX_MemoryStream>(const_cast<uint8_t*>(data), + size, false); + + CFX_XMLParser parser(stream); + std::unique_ptr<CFX_XMLDocument> doc = parser.Parse(); + if (!doc || !doc->GetRoot()) + return 0; + + for (CFX_XMLNode* pXMLNode = doc->GetRoot()->GetFirstChild(); pXMLNode; + pXMLNode = pXMLNode->GetNextSibling()) { + if (pXMLNode->GetType() == FX_XMLNODE_Element) + break; + } + return 0; +} |