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-rw-r--r--testing/libfuzzer/BUILD.gn14
-rw-r--r--testing/libfuzzer/fuzzers.gyp11
-rw-r--r--testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc37
3 files changed, 62 insertions, 0 deletions
diff --git a/testing/libfuzzer/BUILD.gn b/testing/libfuzzer/BUILD.gn
index 3659c36225..1b7a7fb456 100644
--- a/testing/libfuzzer/BUILD.gn
+++ b/testing/libfuzzer/BUILD.gn
@@ -49,6 +49,20 @@ if (pdf_enable_xfa) {
":libfuzzer_config",
]
}
+ source_set("pdf_cfx_saxreader_fuzzer") {
+ testonly = true
+ sources = [
+ "pdf_cfx_saxreader_fuzzer.cc",
+ ]
+ deps = [
+ "//third_party/pdfium:pdfium",
+ ]
+ configs -= [ "//build/config/compiler:chromium_code" ]
+ configs += [
+ "//build/config/compiler:no_chromium_code",
+ ":libfuzzer_config",
+ ]
+ }
source_set("pdf_codec_png_fuzzer") {
testonly = true
sources = [
diff --git a/testing/libfuzzer/fuzzers.gyp b/testing/libfuzzer/fuzzers.gyp
index 5f2a4d1bd9..30c8430ff9 100644
--- a/testing/libfuzzer/fuzzers.gyp
+++ b/testing/libfuzzer/fuzzers.gyp
@@ -62,6 +62,17 @@
],
},
{
+ 'target_name': 'pdf_cfx_saxreader_fuzzer',
+ 'type': 'executable',
+ 'dependencies': [
+ '../../pdfium.gyp:pdfium',
+ ],
+ 'sources': [
+ 'pdf_cfx_saxreader_fuzzer.cc',
+ 'unittest_main.cc',
+ ],
+ },
+ {
'target_name': 'pdf_codec_png_fuzzer',
'type': 'executable',
'dependencies': [
diff --git a/testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc b/testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc
new file mode 100644
index 0000000000..54cc410a36
--- /dev/null
+++ b/testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc
@@ -0,0 +1,37 @@
+// 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 <memory>
+
+#include "xfa/fde/xml/cfx_saxreader.h"
+#include "xfa/fgas/crt/fgas_stream.h"
+#include "xfa/fxfa/parser/xfa_utils.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ CFX_WideString input = CFX_WideString::FromUTF8(
+ CFX_ByteStringC(data, static_cast<FX_STRSIZE>(size)));
+ std::unique_ptr<IFX_Stream, ReleaseDeleter<IFX_Stream>> stream(
+ XFA_CreateWideTextRead(input));
+ if (!stream)
+ return 0;
+
+ std::unique_ptr<IFX_FileRead, ReleaseDeleter<IFX_FileRead>> fileRead(
+ FX_CreateFileRead(stream.get(), false));
+ if (!fileRead)
+ return 0;
+
+ CFX_SAXReader reader;
+ if (reader.StartParse(fileRead.get(), 0, -1, CFX_SaxParseMode_NotSkipSpace) <
+ 0) {
+ return 0;
+ }
+
+ while (1) {
+ int32_t ret = reader.ContinueParse(nullptr);
+ if (ret < 0 || ret > 99)
+ break;
+ }
+
+ return 0;
+}