Fuzzers: Add HID Report Descriptor fuzzer

Meta/Lagom/Fuzzers/FuzzHIDReportDescriptor.cpp

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025, Sönke Holz <[email protected]>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibHID/ReportDescriptorParser.h>
+
+extern "C" int LLVMFuzzerTestOneInput(u8 const* data, size_t size)
+{
+    AK::set_debug_enabled(false);
+    HID::ReportDescriptorParser parser { { data, size } };
+    (void)parser.parse();
+    return 0;
+}

Meta/Lagom/Fuzzers/fuzzers.cmake

@@ -14,6 +14,7 @@ set(FUZZER_TARGETS
     GIFLoader
     GzipDecompression
     GzipRoundtrip
+    HIDReportDescriptor
     HttpRequest
     ICCProfile
     ICOLoader
@@ -89,6 +90,7 @@ set(FUZZER_DEPENDENCIES_Gemini LibGemini)
 set(FUZZER_DEPENDENCIES_GIFLoader LibGfx)
 set(FUZZER_DEPENDENCIES_GzipDecompression LibCompress)
 set(FUZZER_DEPENDENCIES_GzipRoundtrip LibCompress)
+set(FUZZER_DEPENDENCIES_HIDReportDescriptor LibHID)
 set(FUZZER_DEPENDENCIES_HttpRequest LibHTTP)
 set(FUZZER_DEPENDENCIES_ICCProfile LibGfx)
 set(FUZZER_DEPENDENCIES_ICOLoader LibGfx)

Userland/Utilities/test-fuzz.cpp

@@ -28,6 +28,7 @@
     T(GIFLoader)             \
     T(GzipDecompression)     \
     T(GzipRoundtrip)         \
+    T(HIDReportDescriptor)   \
     T(HttpRequest)           \
     T(ICCProfile)            \
     T(ICOLoader)             \