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Fuzzers: Skip trying to parse invalid UTF-8 in LibJS Fuzzers

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Invalid UTF-8 crashes JS::Script::Parse.
This commit is contained in:
Andrew Kaster
2023-03-17 12:59:56 -06:00
committed by Andreas Kling
parent f7d2392b6c
commit cabc99e953
2 changed files with 12 additions and 5 deletions
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3
Meta/Lagom/Fuzzers/FuzzJs.cpp
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@@ -15,6 +15,9 @@
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 interpreter = JS::Interpreter::create<JS::GlobalObject>(*vm);
auto parse_result = JS::Script::parse(js, interpreter->realm());