Fuzzers: Add JPEG2000 fuzzer

Meta/Lagom/Fuzzers/FuzzJPEG2000Loader.cpp

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2024, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibGfx/ImageFormats/JPEG2000Loader.h>
+#include <stddef.h>
+#include <stdint.h>
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
+{
+    AK::set_debug_enabled(false);
+    auto decoder_or_error = Gfx::JPEG2000ImageDecoderPlugin::create({ data, size });
+    if (decoder_or_error.is_error())
+        return 0;
+    auto decoder = decoder_or_error.release_value();
+    (void)decoder->frame(0);
+    return 0;
+}

Meta/Lagom/Fuzzers/fuzzers.cmake

@@ -20,6 +20,7 @@ set(FUZZER_TARGETS
     ILBMLoader
     IMAPParser
     JBIG2Loader
+    JPEG2000Loader
     JPEGLoader
     Js
     JsonParser
@@ -94,6 +95,7 @@ set(FUZZER_DEPENDENCIES_ICOLoader LibGfx)
 set(FUZZER_DEPENDENCIES_ILBMLoader LibGfx)
 set(FUZZER_DEPENDENCIES_IMAPParser LibIMAP)
 set(FUZZER_DEPENDENCIES_JBIG2Loader LibGfx)
+set(FUZZER_DEPENDENCIES_JPEG2000Loader LibGfx)
 set(FUZZER_DEPENDENCIES_JPEGLoader LibGfx)
 set(FUZZER_DEPENDENCIES_Js LibJS)
 set(FUZZER_DEPENDENCIES_LzmaDecompression LibArchive LibCompress)

Userland/Utilities/test-fuzz.cpp

@@ -34,6 +34,7 @@
     T(ILBMLoader)            \
     T(IMAPParser)            \
     T(JBIG2Loader)           \
+    T(JPEG2000Loader)        \
     T(JPEGLoader)            \
     T(Js)                    \
     T(JsonParser)            \