c7a03c49fa
Don't really have a good name for this inner TryCatch. Bug: v8:12244 Change-Id: I4c1353bcd98e78e49d0354e285249302a8ee0dd8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3183522 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/main@{#77097}
99 lines
3.6 KiB
C++
99 lines
3.6 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/regexp/regexp.h"
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#include <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "include/v8-context.h"
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#include "include/v8-exception.h"
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#include "include/v8-isolate.h"
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#include "include/v8-local-handle.h"
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#include "src/base/strings.h"
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#include "src/heap/factory.h"
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#include "src/objects/objects-inl.h"
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#include "test/fuzzer/fuzzer-support.h"
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namespace i = v8::internal;
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void Test(v8::Isolate* isolate, i::Handle<i::JSRegExp> regexp,
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i::Handle<i::String> subject,
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i::Handle<i::RegExpMatchInfo> results_array) {
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v8::TryCatch try_catch(isolate);
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i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
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if (i::RegExp::Exec(i_isolate, regexp, subject, 0, results_array).is_null()) {
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i_isolate->OptionalRescheduleException(true);
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}
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get();
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v8::Isolate* isolate = support->GetIsolate();
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v8::Isolate::Scope isolate_scope(isolate);
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v8::HandleScope handle_scope(isolate);
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v8::Context::Scope context_scope(support->GetContext());
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v8::TryCatch try_catch(isolate);
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i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
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i::Factory* factory = i_isolate->factory();
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CHECK(!i_isolate->has_pending_exception());
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if (size > INT_MAX) return 0;
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i::MaybeHandle<i::String> maybe_source = factory->NewStringFromOneByte(
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v8::base::Vector<const uint8_t>(data, static_cast<int>(size)));
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i::Handle<i::String> source;
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if (!maybe_source.ToHandle(&source)) {
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i_isolate->clear_pending_exception();
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return 0;
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}
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static const int kAllFlags = i::JSRegExp::kGlobal | i::JSRegExp::kIgnoreCase |
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i::JSRegExp::kMultiline | i::JSRegExp::kSticky |
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i::JSRegExp::kUnicode | i::JSRegExp::kDotAll;
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const uint8_t one_byte_array[6] = {'f', 'o', 'o', 'b', 'a', 'r'};
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const v8::base::uc16 two_byte_array[6] = {'f', 0xD83D, 0xDCA9,
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'b', 'a', 0x2603};
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CHECK(!i_isolate->has_pending_exception());
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i::Handle<i::RegExpMatchInfo> results_array = factory->NewRegExpMatchInfo();
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i::Handle<i::String> one_byte =
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factory
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->NewStringFromOneByte(
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v8::base::Vector<const uint8_t>(one_byte_array, 6))
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.ToHandleChecked();
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i::Handle<i::String> two_byte =
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factory
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->NewStringFromTwoByte(
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v8::base::Vector<const v8::base::uc16>(two_byte_array, 6))
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.ToHandleChecked();
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i::Handle<i::JSRegExp> regexp;
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{
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CHECK(!i_isolate->has_pending_exception());
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v8::TryCatch try_catch_inner(isolate);
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// Create a string so that we can calculate a hash from the input data.
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std::string str = std::string(reinterpret_cast<const char*>(data), size);
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i::JSRegExp::Flags flag = static_cast<i::JSRegExp::Flags>(
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std::hash<std::string>()(str) % (kAllFlags + 1));
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i::MaybeHandle<i::JSRegExp> maybe_regexp =
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i::JSRegExp::New(i_isolate, source, flag);
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if (!maybe_regexp.ToHandle(®exp)) {
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i_isolate->clear_pending_exception();
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return 0;
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}
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}
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Test(isolate, regexp, one_byte, results_array);
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Test(isolate, regexp, two_byte, results_array);
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Test(isolate, regexp, factory->empty_string(), results_array);
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Test(isolate, regexp, source, results_array);
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isolate->RequestGarbageCollectionForTesting(
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v8::Isolate::kFullGarbageCollection);
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CHECK(!i_isolate->has_pending_exception());
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return 0;
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}
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