Lagom/Fuzzers: Add SQL parser fuzzer

Author: https://github.com/Lubrsi
Commit: https://github.com/SerenityOS/serenity/commit/3bc2527ce77
Pull-request: https://github.com/SerenityOS/serenity/pull/7625

Meta/Lagom/Fuzzers/CMakeLists.txt

@@ -39,6 +39,7 @@ add_simple_fuzzer(FuzzMarkdown)
 add_simple_fuzzer(FuzzRegexECMA262)
 add_simple_fuzzer(FuzzRegexPosixExtended)
 add_simple_fuzzer(FuzzShell)
+add_simple_fuzzer(FuzzSQLParser)
 add_simple_fuzzer(FuzzTTF)
 add_simple_fuzzer(FuzzURL)
 add_simple_fuzzer(FuzzUTF16BEDecoder)

Meta/Lagom/Fuzzers/FuzzSQLParser.cpp

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibSQL/Lexer.h>
+#include <LibSQL/Parser.h>
+#include <stdio.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    auto parser = SQL::Parser(SQL::Lexer({ data, size }));
+    [[maybe_unused]] auto statement = parser.next_statement();
+    return 0;
+}