a53d468747
Thrown exceptions must be handled before another exception is thrown. This fixes all remaining test failures exposed by not clearing pending exceptions in JSEntryStub. BUG=v8:5259 Review-Url: https://codereview.chromium.org/2207923002 Cr-Commit-Position: refs/heads/master@{#38324}
80 lines
2.8 KiB
C++
80 lines
2.8 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 <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "include/v8.h"
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#include "src/factory.h"
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#include "src/objects-inl.h"
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#include "src/objects.h"
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#include "src/regexp/jsregexp.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, i::Handle<i::JSArray> results_array) {
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v8::TryCatch try_catch(isolate);
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USE(i::RegExpImpl::Exec(regexp, subject, 0, results_array));
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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::FLAG_harmony_regexp_lookbehind = true;
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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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if (size > INT_MAX) return 0;
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i::MaybeHandle<i::String> maybe_source = factory->NewStringFromOneByte(
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i::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)) return 0;
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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;
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const uint8_t one_byte_array[6] = {'f', 'o', 'o', 'b', 'a', 'r'};
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const i::uc16 two_byte_array[6] = {'f', 0xD83D, 0xDCA9, 'b', 'a', 0x2603};
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i::Handle<i::JSArray> results_array = factory->NewJSArray(5);
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i::Handle<i::String> one_byte =
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factory->NewStringFromOneByte(i::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->NewStringFromTwoByte(i::Vector<const i::uc16>(two_byte_array, 6))
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.ToHandleChecked();
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for (int flags = 0; flags <= kAllFlags; flags++) {
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i::Handle<i::JSRegExp> regexp;
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{
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v8::TryCatch try_catch(isolate);
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i::MaybeHandle<i::JSRegExp> maybe_regexp =
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i::JSRegExp::New(source, static_cast<i::JSRegExp::Flags>(flags));
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if (!maybe_regexp.ToHandle(®exp)) {
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i_isolate->clear_pending_exception();
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continue;
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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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}
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isolate->RequestGarbageCollectionForTesting(
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v8::Isolate::kFullGarbageCollection);
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return 0;
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}
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