Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
167	4	heif_init	call site: 00004	list_all_potential_plugins_in_directory
44	204	heif_image_create	call site: 00204	MemoryHandle::alloc
27	309	heif_context_encode_image	call site: 00309	get_encoder_or_skip_test
19	289	heif_context_encode_image	call site: 00289	ImageExtraData::has_nclx_color_profile
14	250	heif_image_create	call site: 00250	Catch::ReporterRegistry::create
8	265	heif_image_add_plane	call site: 00265	Error::error_struct
7	277	heif_image_get_plane	call site: 00277	heif_image_get_plane
6	177	heif_get_encoder_descriptors	call site: 00177	load_plugins_if_not_initialized_yet
4	338	heif_context_encode_image	call site: 00338
4	350	LLVMFuzzerTestOneInput	call site: 00350	Error::error_struct
2	355	heif_context_write	call site: 00355	Catch::JsonUtils::appendCommaNewline
1	2	heif_context_alloc	call site: 00002	heif_init

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           heif_context_alloc

[function] [call site] 00001


             load_plugins_if_not_initialized_yet

[function] [call site] 00002


               heif_init

[function] [call site] 00003


                 ColorConversionPipeline::init_ops

[function] [call site] 00004


                   empty

[function] [call site] 00005


                   emplace_back

[function] [call site] 00006


                   std::make_shared<Op_RGB_to_RGB24_32>

[function] [call site] 00007


                   emplace_back

[function] [call site] 00008


                   std::make_shared<Op_RGB24_32_to_RGB>

[function] [call site] 00009


                   emplace_back

[function] [call site] 00010


                   std::make_shared<Op_YCbCr_to_RGB<uint16_t>>

[function] [call site] 00011


                   emplace_back

[function] [call site] 00012


                   std::make_shared<Op_YCbCr_to_RGB<uint8_t>>

[function] [call site] 00013


                   emplace_back

[function] [call site] 00014


                   std::make_shared<Op_YCbCr420_to_RGB24>

[function] [call site] 00015


                   emplace_back

[function] [call site] 00016


                   std::make_shared<Op_YCbCr420_to_RGB32>

[function] [call site] 00017


                   emplace_back

[function] [call site] 00018


                   std::make_shared<Op_YCbCr420_to_RRGGBBaa>

[function] [call site] 00019


                   emplace_back

[function] [call site] 00020


                   std::make_shared<Op_RGB_HDR_to_RRGGBBaa_BE>

[function] [call site] 00021


                   emplace_back

[function] [call site] 00022


                   std::make_shared<Op_RGB_to_RRGGBBaa_BE>

[function] [call site] 00023


                   emplace_back

[function] [call site] 00024


                   std::make_shared<Op_mono_to_YCbCr420>

[function] [call site] 00025


                   emplace_back

[function] [call site] 00026


                   std::make_shared<Op_mono_to_RGB24_32>

[function] [call site] 00027


                   emplace_back

[function] [call site] 00028


                   std::make_shared<Op_RRGGBBaa_swap_endianness>

[function] [call site] 00029


                   emplace_back

[function] [call site] 00030


                   std::make_shared<Op_RRGGBBaa_BE_to_RGB_HDR>

[function] [call site] 00031


                   emplace_back

[function] [call site] 00032


                   std::make_shared<Op_RGB24_32_to_YCbCr>

[function] [call site] 00033


                   emplace_back

[function] [call site] 00034


                   std::make_shared<Op_RGB_to_YCbCr<uint8_t>>

[function] [call site] 00035


                   emplace_back

[function] [call site] 00036


                   std::make_shared<Op_RGB_to_YCbCr<uint16_t>>

[function] [call site] 00037


                   emplace_back

[function] [call site] 00038


                   std::make_shared<Op_RRGGBBxx_HDR_to_YCbCr420>

[function] [call site] 00039


                   emplace_back

[function] [call site] 00040


                   std::make_shared<Op_RGB24_32_to_YCbCr444_GBR>

[function] [call site] 00041


                   emplace_back

[function] [call site] 00042


                   std::make_shared<Op_drop_alpha_plane>

[function] [call site] 00043


                   emplace_back

[function] [call site] 00044


                   std::make_shared<Op_flatten_alpha_plane<uint8_t>>

[function] [call site] 00045


                   emplace_back

[function] [call site] 00046


                   std::make_shared<Op_flatten_alpha_plane<uint16_t>>

[function] [call site] 00047


                   emplace_back

[function] [call site] 00048


                   std::make_shared<Op_to_hdr_planes>

[function] [call site] 00049


                   emplace_back

[function] [call site] 00050


                   std::make_shared<Op_to_sdr_planes>

[function] [call site] 00051


                   emplace_back

[function] [call site] 00052


                   std::make_shared<Op_YCbCr420_bilinear_to_YCbCr444<uint8_t>>

[function] [call site] 00053


                   emplace_back

[function] [call site] 00054


                   std::make_shared<Op_YCbCr420_bilinear_to_YCbCr444<uint16_t>>

[function] [call site] 00055


                   emplace_back

[function] [call site] 00056


                   std::make_shared<Op_YCbCr422_bilinear_to_YCbCr444<uint8_t>>

[function] [call site] 00057


                   emplace_back

[function] [call site] 00058


                   std::make_shared<Op_YCbCr422_bilinear_to_YCbCr444<uint16_t>>

[function] [call site] 00059


                   emplace_back

[function] [call site] 00060


                   std::make_shared<Op_YCbCr444_to_YCbCr420_average<uint8_t>>

[function] [call site] 00061


                   emplace_back

[function] [call site] 00062


                   std::make_shared<Op_YCbCr444_to_YCbCr420_average<uint16_t>>

[function] [call site] 00063


                   emplace_back

[function] [call site] 00064


                   std::make_shared<Op_YCbCr444_to_YCbCr422_average<uint8_t>>

[function] [call site] 00065


                   emplace_back

[function] [call site] 00066


                   std::make_shared<Op_YCbCr444_to_YCbCr422_average<uint16_t>>

[function] [call site] 00067


                   emplace_back

[function] [call site] 00068


                   std::make_shared<Op_Any_RGB_to_YCbCr_420_Sharp>

[function] [call site] 00069


                 register_default_plugins

[function] [call site] 00070


                   register_decoder

[function] [call site] 00071


                     insert

[function] [call site] 00072


                   get_decoder_plugin_webcodecs

[function] [call site] 00073


                   register_decoder

[function] [call site] 00074


                   get_decoder_plugin_libde265

[function] [call site] 00075


                   register_encoder

[function] [call site] 00076


                     std::unique_ptr<heif_encoder_descriptor>

[function] [call site] 00077


                     heif_encoder_descriptor::heif_encoder_descriptor

[function] [call site] 00078


                     insert

[function] [call site] 00079


                     std::move

[function] [call site] 00080


                   get_encoder_plugin_x265

[function] [call site] 00081


                   register_encoder

[function] [call site] 00082


                   get_encoder_plugin_kvazaar

[function] [call site] 00083


                   register_encoder

[function] [call site] 00084


                   get_encoder_plugin_uvg266

[function] [call site] 00085


                   register_encoder

[function] [call site] 00086


                   get_encoder_plugin_vvenc

[function] [call site] 00087


                   register_decoder

[function] [call site] 00088


                   get_decoder_plugin_vvdec

[function] [call site] 00089


                   register_encoder

[function] [call site] 00090


                   get_encoder_plugin_aom

[function] [call site] 00091


                   register_decoder

[function] [call site] 00092


                   get_decoder_plugin_aom

[function] [call site] 00093


                   register_encoder

[function] [call site] 00094


                   get_encoder_plugin_rav1e

[function] [call site] 00095


                   register_decoder

[function] [call site] 00096


                   get_decoder_plugin_dav1d

[function] [call site] 00097


                   register_encoder

[function] [call site] 00098


                   get_encoder_plugin_svt

[function] [call site] 00099


                   register_decoder

[function] [call site] 00100


                   get_decoder_plugin_ffmpeg

[function] [call site] 00101


                   register_decoder

[function] [call site] 00102


                   get_decoder_plugin_jpeg

[function] [call site] 00103


                   register_encoder

[function] [call site] 00104


                   get_encoder_plugin_jpeg

[function] [call site] 00105


                   register_encoder

[function] [call site] 00106


                   get_encoder_plugin_openjpeg

[function] [call site] 00107


                   register_decoder

[function] [call site] 00108


                   get_decoder_plugin_openjpeg

[function] [call site] 00109


                   register_encoder

[function] [call site] 00110


                   get_encoder_plugin_openjph

[function] [call site] 00111


                   register_decoder

[function] [call site] 00112


                   get_decoder_plugin_openh264

[function] [call site] 00113


                   register_encoder

[function] [call site] 00114


                   get_encoder_plugin_x264

[function] [call site] 00115


                   register_encoder

[function] [call site] 00116


                   get_encoder_plugin_uncompressed

[function] [call site] 00117


                   register_decoder

[function] [call site] 00118


                   get_decoder_plugin_uncompressed

[function] [call site] 00119


                   register_encoder

[function] [call site] 00120


                   get_encoder_plugin_mask

[function] [call site] 00121


                 get_plugin_paths

[function] [call site] 00122


                   get_plugin_directories_from_environment_variable_windows

[function] [call site] 00123


                     getenv

[function] [call site] 00124


                     getline

[function] [call site] 00125


                     std::vector::push_back

[function] [call site] 00126


                   get_plugin_directories_from_environment_variable_unix

[function] [call site] 00127


                     getenv

[function] [call site] 00128


                     getline

[function] [call site] 00129


                     std::vector::push_back

[function] [call site] 00130


                   std::vector::empty

[function] [call site] 00131


                   std::vector::push_back

[function] [call site] 00132


                 heif_load_plugins

[function] [call site] 00133


                   list_all_potential_plugins_in_directory

[function] [call site] 00134


                     list_all_potential_plugins_in_directory_windows

[function] [call site] 00135


                       opendir

[function] [call site] 00136


                       FindFirstFile

[function] [call site] 00137


                       std::string::c_str

[function] [call site] 00138


                       std::vector::push_back

[function] [call site] 00139


                       FindNextFile

[function] [call site] 00140


                       FindClose

[function] [call site] 00141


                     list_all_potential_plugins_in_directory_unix

[function] [call site] 00142


                       opendir

[function] [call site] 00143


                       readdir

[function] [call site] 00144


                       strlen

[function] [call site] 00145


                       strcmp

[function] [call site] 00146


                       strlen

[function] [call site] 00147


                       std::vector::push_back

[function] [call site] 00148


                       closedir

[function] [call site] 00149


                   heif_load_plugin

[function] [call site] 00150


                     PluginLibrary_Unix::load_from_file

[function] [call site] 00151


                       dlopen

[function] [call site] 00152


                       fprintf

[function] [call site] 00153


                       dlerror

[function] [call site] 00154


                       dlsym

[function] [call site] 00155


                       fprintf

[function] [call site] 00156


                       dlerror

[function] [call site] 00157


                     PluginLibrary_Unix::get_plugin_info

[function] [call site] 00158


                     push_back

[function] [call site] 00159


                     static_cast<const

[call site] 00160


                     STRINGIFY

[function] [call site] 00161


                     heif_get_version_number

[function] [call site] 00162


                     heif_register_encoder_plugin

[function] [call site] 00163


                       register_encoder

[function] [call site] 00164


                     static_cast<const

[call site] 00165


                     STRINGIFY

[function] [call site] 00166


                     heif_get_version_number

[function] [call site] 00167


                     heif_register_decoder_plugin

[function] [call site] 00168


                       register_decoder

[function] [call site] 00169


                   c_str

[function] [call site] 00170


                 c_str

[function] [call site] 00171


             heif_context::heif_context

[function] [call site] 00172


             std::make_shared<HeifContext>

[function] [call site] 00173


           heif_context_free

[function] [call site] 00174


           assert

[function] [call site] 00175


           heif_get_encoder_descriptors

[function] [call site] 00176


             get_filtered_encoder_descriptors

[function] [call site] 00177


               load_plugins_if_not_initialized_yet

[function] [call site] 00178


               strcmp

[function] [call site] 00179


               std::vector::push_back

[function] [call site] 00180

get

[function] [call site] 00181


             static_cast<int>

[function] [call site] 00182


             std::vector::size

[function] [call site] 00183


             static_cast<size_t>

[function] [call site] 00184


             std::vector::size

[function] [call site] 00185


           assert

[function] [call site] 00186


           heif_context_get_encoder

[function] [call site] 00187


             heif_encoder::heif_encoder

[function] [call site] 00188


             alloc

[function] [call site] 00189


           std::shared_ptr::get

[function] [call site] 00190


           heif_encoder_set_lossy_quality

[function] [call site] 00191


             uvg266_set_parameter_quality

[function] [call site] 00192


           heif_encoder_set_lossless

[function] [call site] 00193


             uvg266_set_parameter_lossless

[function] [call site] 00194


           create_image

[function] [call site] 00195


             heif_image_create

[function] [call site] 00196


               get_valid_chroma_values_for_colorspace

[function] [call site] 00197


               std::find

[function] [call site] 00198


               Catch::TextFlow::AnsiSkippingString::begin

[function] [call site] 00199


                 const_iterator

[function] [call site] 00200


               Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00201


                 const_iterator

[function] [call site] 00202


               Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00203


               convert_libde265_image_to_heif_image

[function] [call site] 00204


                 de265_get_chroma_format

[function] [call site] 00205


                 heif_image_create

[function] [call site] 00206


                 de265_get_image_width

[function] [call site] 00207


                 de265_get_image_height

[function] [call site] 00208


                 de265_get_chroma_format

[function] [call site] 00209


                 de265_get_bits_per_pixel

[function] [call site] 00210


                 de265_get_bits_per_pixel

[function] [call site] 00211


                 heif_image_release

[function] [call site] 00212


                 de265_get_image_plane

[function] [call site] 00213


                 de265_get_image_width

[function] [call site] 00214


                 de265_get_image_height

[function] [call site] 00215


                 heif_image_release

[function] [call site] 00216


                 heif_image_add_plane_safe

[function] [call site] 00217


                   HeifPixelImage::add_plane

[function] [call site] 00218


                     num_interleaved_components_per_plane

[function] [call site] 00219


                       assert

[function] [call site] 00220


                     MemoryHandle::alloc

[function] [call site] 00221


                       assert

[function] [call site] 00222


                       std::stringstream::str

[function] [call site] 00223


                       find

[function] [call site] 00224

end

[function] [call site] 00225


                       assert

[function] [call site] 00226


                       std::stringstream::str

[function] [call site] 00227


                     push_back

[function] [call site] 00228


                   Error::error_struct

[function] [call site] 00229


                     ErrorBuffer::set_success

[function] [call site] 00230


                     Error::get_error_string

[function] [call site] 00231


                       assert

[function] [call site] 00232


                     Error::get_error_string

[function] [call site] 00233


                     empty

[function] [call site] 00234


                     ErrorBuffer::set_error

[function] [call site] 00235


                       c_str

[function] [call site] 00236


                     std::stringstream::str

[function] [call site] 00237


                     StreamReader::get_error

[function] [call site] 00238


                   Catch::Detail::unique_ptr::get

[function] [call site] 00239


                 libde265_decoder*::error_message::c_str

[function] [call site] 00240


                 heif_image_release

[function] [call site] 00241


                 heif_image_get_plane2

[function] [call site] 00242


                   HeifPixelImage::get_plane

[function] [call site] 00243


                     HeifPixelImage::get_channel

[function] [call site] 00244


                       HeifPixelImage::find_component_for_channel

[function] [call site] 00245


                       static_cast<int>

[function] [call site] 00246


                       static_cast<T*>

[function] [call site] 00247


                 memcpy

[function] [call site] 00248


               std::make_shared<HeifPixelImage>

[function] [call site] 00249


               Catch::ReporterRegistry::create

[function] [call site] 00250


                 Catch::TagAliasRegistry::find

[function] [call site] 00251


                   Catch::TagAliasRegistry::find

[function] [call site] 00252


                     Catch::TagAliasRegistry::find

[function] [call site] 00253

end

[function] [call site] 00254

end

[function] [call site] 00255


                 Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00256


                   const_iterator

[function] [call site] 00257


                 Catch::ReporterRegistry::create

[function] [call site] 00258


                   Catch::TagAliasRegistry::find

[function] [call site] 00259


                   Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00260


                   Catch::ReporterRegistry::create

[function] [call site] 00261


                   CATCH_MOVE

[function] [call site] 00262


                 CATCH_MOVE

[function] [call site] 00263


             heif_image_add_plane

[function] [call site] 00264


               HeifPixelImage::add_plane

[function] [call site] 00265


               Error::error_struct

[function] [call site] 00266


               Catch::Detail::unique_ptr::get

[function] [call site] 00267


             assert

[function] [call site] 00268


             heif_image_add_plane

[function] [call site] 00269


             assert

[function] [call site] 00270


             heif_image_add_plane

[function] [call site] 00271


             assert

[function] [call site] 00272


             heif_image_get_plane

[function] [call site] 00273


               HeifPixelImage::get_plane

[function] [call site] 00274


               static_cast<uint32_t>

[function] [call site] 00275


               std::numeric_limits<int>::max

[function] [call site] 00276


               static_cast<int>

[function] [call site] 00277


             generate_plane

[function] [call site] 00278


               memset

[function] [call site] 00279


               memset

[function] [call site] 00280


             heif_image_get_plane

[function] [call site] 00281


             generate_plane

[function] [call site] 00282


             heif_image_get_plane

[function] [call site] 00283


             generate_plane

[function] [call site] 00284


           assert

[function] [call site] 00285


           heif_image_release

[function] [call site] 00286


           heif_encoder_release

[function] [call site] 00287


           heif_context_encode_image

[function] [call site] 00288


             set_default_encoding_options

[function] [call site] 00289


             heif_encoding_options_copy

[function] [call site] 00290


               std::min

[function] [call site] 00291


             ImageExtraData::has_nclx_color_profile

[function] [call site] 00292


               nclx_default_if_undefined

[function] [call site] 00293


                 Box_mini::get_colour_primaries

[function] [call site] 00294


                 set_colour_primaries

[function] [call site] 00295


                 get_matrix_coefficients

[function] [call site] 00296


                   static_cast<heif_matrix_coefficients>

[function] [call site] 00297


                 set_matrix_coefficients

[function] [call site] 00298


                 get_transfer_characteristics

[function] [call site] 00299


                   static_cast<heif_transfer_characteristics>

[function] [call site] 00300


                 set_transfer_characteristics

[function] [call site] 00301


             ImageExtraData::get_color_profile_nclx

[function] [call site] 00302


             Box_mini::get_colour_primaries

[function] [call site] 00303


             get_transfer_characteristics

[function] [call site] 00304


               static_cast<heif_transfer_characteristics>

[function] [call site] 00305


             get_matrix_coefficients

[function] [call site] 00306


               static_cast<heif_matrix_coefficients>

[function] [call site] 00307


             get_full_range_flag

[function] [call site] 00308


             encode_image

[function] [call site] 00309


               heif_context_alloc

[function] [call site] 00310


               get_encoder_or_skip_test

[function] [call site] 00311


                 heif_context_get_encoder_for_format

[function] [call site] 00312


                   get_filtered_encoder_descriptors

[function] [call site] 00313


                   std::vector::size

[function] [call site] 00314


                   heif_encoder::heif_encoder

[function] [call site] 00315


                   alloc

[function] [call site] 00316


                   Error::error_struct

[function] [call site] 00317


                     ErrorBuffer::set_success

[function] [call site] 00318


                     Error::get_error_string

[function] [call site] 00319


                     Error::get_error_string

[function] [call site] 00320


                     empty

[function] [call site] 00321


                     ErrorBuffer::set_error

[function] [call site] 00322


                     std::stringstream::str

[function] [call site] 00323


                     StreamReader::get_error

[function] [call site] 00324


                   Catch::Detail::unique_ptr::get

[function] [call site] 00325


                 SKIP

[function] [call site] 00326


                 SKIP

[function] [call site] 00327


                 SKIP

[function] [call site] 00328


               heif_context_encode_image

[function] [call site] 00329


               heif_encoder_release

[function] [call site] 00330


               heif_context_free

[function] [call site] 00331


               heif_encoder_release

[function] [call site] 00332


               heif_image_handle_release

[function] [call site] 00333


               heif_context_free

[function] [call site] 00334


             Error::error_struct

[function] [call site] 00335


             Catch::Detail::unique_ptr::get

[function] [call site] 00336


             HeifContext::is_primary_image_set

[function] [call site] 00337


             HeifContext::set_primary_image

[function] [call site] 00338


               set_primary

[function] [call site] 00339


               set_primary

[function] [call site] 00340


               set_primary_item_id

[function] [call site] 00341


               get_id

[function] [call site] 00342


             heif_image_handle::heif_image_handle

[function] [call site] 00343


             std::move

[function] [call site] 00344


           std::shared_ptr::get

[function] [call site] 00345


           heif_image_release

[function] [call site] 00346


           heif_encoder_release

[function] [call site] 00347


           heif_image_handle_release

[function] [call site] 00348


           MemoryWriter::MemoryWriter

[function] [call site] 00349


           heif_context_write

[function] [call site] 00350


             Error

[function] [call site] 00351


             Catch::Detail::unique_ptr::get

[function] [call site] 00352


             Error::error_struct

[function] [call site] 00353


             Catch::Detail::unique_ptr::get

[function] [call site] 00354


             Catch::JsonObjectWriter::write

[function] [call site] 00355


               Catch::JsonUtils::appendCommaNewline

[function] [call site] 00356


                 Catch::JsonUtils::indent

[function] [call site] 00357


             StreamWriter::get_data

[function] [call site] 00358


             Catch::JsonObjectWriter::write

[function] [call site] 00359


               Catch::JsonUtils::appendCommaNewline

[function] [call site] 00360


             data

[function] [call site] 00361


             size

[function] [call site] 00362


           std::shared_ptr::get

[function] [call site] 00363


           assert

[function] [call site] 00364


           MemoryWriter::size

[function] [call site] 00365