Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <limits.h> |
| 6 | #include <stddef.h> |
| 7 | #include <stdint.h> |
| 8 | |
| 9 | #include "include/v8.h" |
| 10 | #include "src/factory.h" |
| 11 | #include "src/objects-inl.h" |
| 12 | #include "src/objects.h" |
| 13 | #include "src/regexp/jsregexp.h" |
| 14 | #include "test/fuzzer/fuzzer-support.h" |
| 15 | |
| 16 | namespace i = v8::internal; |
| 17 | |
| 18 | void Test(v8::Isolate* isolate, i::Handle<i::JSRegExp> regexp, |
| 19 | i::Handle<i::String> subject, i::Handle<i::JSArray> results_array) { |
| 20 | v8::TryCatch try_catch(isolate); |
| 21 | USE(i::RegExpImpl::Exec(regexp, subject, 0, results_array)); |
| 22 | } |
| 23 | |
| 24 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| 25 | v8_fuzzer::FuzzerSupport* support = v8_fuzzer::FuzzerSupport::Get(); |
| 26 | v8::Isolate* isolate = support->GetIsolate(); |
| 27 | |
| 28 | v8::Isolate::Scope isolate_scope(isolate); |
| 29 | v8::HandleScope handle_scope(isolate); |
| 30 | v8::Context::Scope context_scope(support->GetContext()); |
| 31 | v8::TryCatch try_catch(isolate); |
| 32 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 33 | i::FLAG_harmony_regexp_lookbehind = true; |
| 34 | |
| 35 | i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| 36 | i::Factory* factory = i_isolate->factory(); |
| 37 | |
| 38 | if (size > INT_MAX) return 0; |
| 39 | i::MaybeHandle<i::String> maybe_source = factory->NewStringFromOneByte( |
| 40 | i::Vector<const uint8_t>(data, static_cast<int>(size))); |
| 41 | i::Handle<i::String> source; |
| 42 | if (!maybe_source.ToHandle(&source)) return 0; |
| 43 | |
| 44 | static const int kAllFlags = i::JSRegExp::kGlobal | i::JSRegExp::kIgnoreCase | |
| 45 | i::JSRegExp::kMultiline | i::JSRegExp::kSticky | |
| 46 | i::JSRegExp::kUnicode; |
| 47 | |
| 48 | const uint8_t one_byte_array[6] = {'f', 'o', 'o', 'b', 'a', 'r'}; |
| 49 | const i::uc16 two_byte_array[6] = {'f', 0xD83D, 0xDCA9, 'b', 'a', 0x2603}; |
| 50 | |
| 51 | i::Handle<i::JSArray> results_array = factory->NewJSArray(5); |
| 52 | i::Handle<i::String> one_byte = |
| 53 | factory->NewStringFromOneByte(i::Vector<const uint8_t>(one_byte_array, 6)) |
| 54 | .ToHandleChecked(); |
| 55 | i::Handle<i::String> two_byte = |
| 56 | factory->NewStringFromTwoByte(i::Vector<const i::uc16>(two_byte_array, 6)) |
| 57 | .ToHandleChecked(); |
| 58 | |
| 59 | for (int flags = 0; flags <= kAllFlags; flags++) { |
| 60 | i::Handle<i::JSRegExp> regexp; |
| 61 | { |
| 62 | v8::TryCatch try_catch(isolate); |
| 63 | i::MaybeHandle<i::JSRegExp> maybe_regexp = |
| 64 | i::JSRegExp::New(source, static_cast<i::JSRegExp::Flags>(flags)); |
| 65 | if (!maybe_regexp.ToHandle(®exp)) continue; |
| 66 | } |
| 67 | Test(isolate, regexp, one_byte, results_array); |
| 68 | Test(isolate, regexp, two_byte, results_array); |
| 69 | Test(isolate, regexp, factory->empty_string(), results_array); |
| 70 | Test(isolate, regexp, source, results_array); |
| 71 | } |
| 72 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 73 | isolate->RequestGarbageCollectionForTesting( |
| 74 | v8::Isolate::kFullGarbageCollection); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 75 | return 0; |
| 76 | } |