ladybird/Meta/Lagom/Fuzzers/FuzzJs.cpp
2023-08-08 13:07:13 +02:00

30 lines
953 B
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringView.h>
#include <LibJS/Bytecode/Interpreter.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Script.h>
#include <stddef.h>
#include <stdint.h>
extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
{
auto js = StringView(static_cast<unsigned char const*>(data), size);
// FIXME: https://github.com/SerenityOS/serenity/issues/17899
if (!Utf8View(js).validate())
return 0;
auto vm = MUST(JS::VM::create());
auto root_execution_context = JS::create_simple_execution_context<JS::GlobalObject>(*vm);
auto& realm = *root_execution_context->realm;
auto parse_result = JS::Script::parse(js, realm);
if (!parse_result.is_error())
(void)vm->bytecode_interpreter().run(parse_result.value());
return 0;
}