From 03fbd6c0c8e2451630b535c7e7152213c09cb7ed Mon Sep 17 00:00:00 2001
From: Tim Ledbetter <timledbetter@gmail.com>
Date: Sun, 22 Oct 2023 16:03:52 +0100
Subject: [PATCH] Fuzzers: Add a fuzzer for JsonParser

---
 Meta/Lagom/Fuzzers/FuzzJsonParser.cpp | 14 ++++++++++++++
 Meta/Lagom/Fuzzers/fuzzers.cmake      |  1 +
 Userland/Utilities/test-fuzz.cpp      |  1 +
 3 files changed, 16 insertions(+)
 create mode 100644 Meta/Lagom/Fuzzers/FuzzJsonParser.cpp

diff --git a/Meta/Lagom/Fuzzers/FuzzJsonParser.cpp b/Meta/Lagom/Fuzzers/FuzzJsonParser.cpp
new file mode 100644
index 0000000000..d85225549b
--- /dev/null
+++ b/Meta/Lagom/Fuzzers/FuzzJsonParser.cpp
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2023, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/JsonParser.h>
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
+{
+    JsonParser parser({ data, size });
+    (void)parser.parse();
+    return 0;
+}
diff --git a/Meta/Lagom/Fuzzers/fuzzers.cmake b/Meta/Lagom/Fuzzers/fuzzers.cmake
index c2aaaf9161..93b3d4002d 100644
--- a/Meta/Lagom/Fuzzers/fuzzers.cmake
+++ b/Meta/Lagom/Fuzzers/fuzzers.cmake
@@ -21,6 +21,7 @@ set(FUZZER_TARGETS
     IMAPParser
     JPEGLoader
     Js
+    JsonParser
     Latin1Decoder
     Latin2Decoder
     LzmaDecompression
diff --git a/Userland/Utilities/test-fuzz.cpp b/Userland/Utilities/test-fuzz.cpp
index da39231db4..cc6f59eeda 100644
--- a/Userland/Utilities/test-fuzz.cpp
+++ b/Userland/Utilities/test-fuzz.cpp
@@ -35,6 +35,7 @@
     T(IMAPParser)            \
     T(JPEGLoader)            \
     T(Js)                    \
+    T(JsonParser)            \
     T(Latin1Decoder)         \
     T(Latin2Decoder)         \
     T(LzmaDecompression)     \