Lagom/Fuzzers: Add fuzzer for ICCProfile

Author: https://github.com/nico
Commit: https://github.com/SerenityOS/serenity/commit/cbb6f8de65
Pull-request: https://github.com/SerenityOS/serenity/pull/17072

Meta/Lagom/Fuzzers/CMakeLists.txt

@@ -30,6 +30,7 @@ add_simple_fuzzer(FuzzGemini LibGemini)
 add_simple_fuzzer(FuzzGIFLoader LibGfx)
 add_simple_fuzzer(FuzzGzipCompression LibCompress)
 add_simple_fuzzer(FuzzGzipDecompression LibCompress)
+add_simple_fuzzer(FuzzICCProfile LibGfx)
 add_simple_fuzzer(FuzzICOLoader LibGfx)
 add_simple_fuzzer(FuzzJPGLoader LibGfx)
 add_simple_fuzzer(FuzzMatroskaReader LibVideo)

Meta/Lagom/Fuzzers/FuzzICCProfile.cpp

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2023, Nico Weber <thakis@chromium.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibGfx/ICCProfile.h>
+#include <stddef.h>
+#include <stdint.h>
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
+{
+    (void)Gfx::ICC::Profile::try_load_from_externally_owned_memory({ data, size });
+    return 0;
+}