Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
169	4	heif_init	call site: 00004	list_all_potential_plugins_in_directory
49	206	heif_image_create	call site: 00206	MemoryHandle::alloc
27	316	heif_context_encode_image	call site: 00316	get_encoder_or_skip_test
19	296	heif_context_encode_image	call site: 00296	ImageExtraData::has_nclx_color_profile
14	257	heif_image_create	call site: 00257	Catch::ReporterRegistry::create
8	272	heif_image_add_plane	call site: 00272	Error::error_struct
7	284	heif_image_get_plane	call site: 00284	heif_image_get_plane
6	179	heif_get_encoder_descriptors	call site: 00179	load_plugins_if_not_initialized_yet
4	345	heif_context_encode_image	call site: 00345
4	357	LLVMFuzzerTestOneInput	call site: 00357	Error::error_struct
2	362	heif_context_write	call site: 00362	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_bayer_bilinear_to_RGB24_32>

[function] [call site] 00029


                   emplace_back

[function] [call site] 00030


                   std::make_shared<Op_RRGGBBaa_swap_endianness>

[function] [call site] 00031


                   emplace_back

[function] [call site] 00032


                   std::make_shared<Op_RRGGBBaa_BE_to_RGB_HDR>

[function] [call site] 00033


                   emplace_back

[function] [call site] 00034


                   std::make_shared<Op_RGB24_32_to_YCbCr>

[function] [call site] 00035


                   emplace_back

[function] [call site] 00036


                   std::make_shared<Op_RGB_to_YCbCr<uint8_t>>

[function] [call site] 00037


                   emplace_back

[function] [call site] 00038


                   std::make_shared<Op_RGB_to_YCbCr<uint16_t>>

[function] [call site] 00039


                   emplace_back

[function] [call site] 00040


                   std::make_shared<Op_RRGGBBxx_HDR_to_YCbCr420>

[function] [call site] 00041


                   emplace_back

[function] [call site] 00042


                   std::make_shared<Op_RGB24_32_to_YCbCr444_GBR>

[function] [call site] 00043


                   emplace_back

[function] [call site] 00044


                   std::make_shared<Op_drop_alpha_plane>

[function] [call site] 00045


                   emplace_back

[function] [call site] 00046


                   std::make_shared<Op_flatten_alpha_plane<uint8_t>>

[function] [call site] 00047


                   emplace_back

[function] [call site] 00048


                   std::make_shared<Op_flatten_alpha_plane<uint16_t>>

[function] [call site] 00049


                   emplace_back

[function] [call site] 00050


                   std::make_shared<Op_to_hdr_planes>

[function] [call site] 00051


                   emplace_back

[function] [call site] 00052


                   std::make_shared<Op_to_sdr_planes>

[function] [call site] 00053


                   emplace_back

[function] [call site] 00054


                   std::make_shared<Op_YCbCr420_bilinear_to_YCbCr444<uint8_t>>

[function] [call site] 00055


                   emplace_back

[function] [call site] 00056


                   std::make_shared<Op_YCbCr420_bilinear_to_YCbCr444<uint16_t>>

[function] [call site] 00057


                   emplace_back

[function] [call site] 00058


                   std::make_shared<Op_YCbCr422_bilinear_to_YCbCr444<uint8_t>>

[function] [call site] 00059


                   emplace_back

[function] [call site] 00060


                   std::make_shared<Op_YCbCr422_bilinear_to_YCbCr444<uint16_t>>

[function] [call site] 00061


                   emplace_back

[function] [call site] 00062


                   std::make_shared<Op_YCbCr444_to_YCbCr420_average<uint8_t>>

[function] [call site] 00063


                   emplace_back

[function] [call site] 00064


                   std::make_shared<Op_YCbCr444_to_YCbCr420_average<uint16_t>>

[function] [call site] 00065


                   emplace_back

[function] [call site] 00066


                   std::make_shared<Op_YCbCr444_to_YCbCr422_average<uint8_t>>

[function] [call site] 00067


                   emplace_back

[function] [call site] 00068


                   std::make_shared<Op_YCbCr444_to_YCbCr422_average<uint16_t>>

[function] [call site] 00069


                   emplace_back

[function] [call site] 00070


                   std::make_shared<Op_Any_RGB_to_YCbCr_420_Sharp>

[function] [call site] 00071


                 register_default_plugins

[function] [call site] 00072


                   register_decoder

[function] [call site] 00073


                     insert

[function] [call site] 00074


                   get_decoder_plugin_webcodecs

[function] [call site] 00075


                   register_decoder

[function] [call site] 00076


                   get_decoder_plugin_libde265

[function] [call site] 00077


                   register_encoder

[function] [call site] 00078


                     std::unique_ptr<heif_encoder_descriptor>

[function] [call site] 00079


                     heif_encoder_descriptor::heif_encoder_descriptor

[function] [call site] 00080


                     insert

[function] [call site] 00081


                     std::move

[function] [call site] 00082


                   get_encoder_plugin_x265

[function] [call site] 00083


                   register_encoder

[function] [call site] 00084


                   get_encoder_plugin_kvazaar

[function] [call site] 00085


                   register_encoder

[function] [call site] 00086


                   get_encoder_plugin_uvg266

[function] [call site] 00087


                   register_encoder

[function] [call site] 00088


                   get_encoder_plugin_vvenc

[function] [call site] 00089


                   register_decoder

[function] [call site] 00090


                   get_decoder_plugin_vvdec

[function] [call site] 00091


                   register_encoder

[function] [call site] 00092


                   get_encoder_plugin_aom

[function] [call site] 00093


                   register_decoder

[function] [call site] 00094


                   get_decoder_plugin_aom

[function] [call site] 00095


                   register_encoder

[function] [call site] 00096


                   get_encoder_plugin_rav1e

[function] [call site] 00097


                   register_decoder

[function] [call site] 00098


                   get_decoder_plugin_dav1d

[function] [call site] 00099


                   register_encoder

[function] [call site] 00100


                   get_encoder_plugin_svt

[function] [call site] 00101


                   register_decoder

[function] [call site] 00102


                   get_decoder_plugin_ffmpeg

[function] [call site] 00103


                   register_decoder

[function] [call site] 00104


                   get_decoder_plugin_jpeg

[function] [call site] 00105


                   register_encoder

[function] [call site] 00106


                   get_encoder_plugin_jpeg

[function] [call site] 00107


                   register_encoder

[function] [call site] 00108


                   get_encoder_plugin_openjpeg

[function] [call site] 00109


                   register_decoder

[function] [call site] 00110


                   get_decoder_plugin_openjpeg

[function] [call site] 00111


                   register_encoder

[function] [call site] 00112


                   get_encoder_plugin_openjph

[function] [call site] 00113


                   register_decoder

[function] [call site] 00114


                   get_decoder_plugin_openh264

[function] [call site] 00115


                   register_encoder

[function] [call site] 00116


                   get_encoder_plugin_x264

[function] [call site] 00117


                   register_encoder

[function] [call site] 00118


                   get_encoder_plugin_uncompressed

[function] [call site] 00119


                   register_decoder

[function] [call site] 00120


                   get_decoder_plugin_uncompressed

[function] [call site] 00121


                   register_encoder

[function] [call site] 00122


                   get_encoder_plugin_mask

[function] [call site] 00123


                 get_plugin_paths

[function] [call site] 00124


                   get_plugin_directories_from_environment_variable_windows

[function] [call site] 00125


                     getenv

[function] [call site] 00126


                     getline

[function] [call site] 00127


                     std::vector::push_back

[function] [call site] 00128


                   get_plugin_directories_from_environment_variable_unix

[function] [call site] 00129


                     getenv

[function] [call site] 00130


                     getline

[function] [call site] 00131


                     std::vector::push_back

[function] [call site] 00132


                   std::vector::empty

[function] [call site] 00133


                   std::vector::push_back

[function] [call site] 00134


                 heif_load_plugins

[function] [call site] 00135


                   list_all_potential_plugins_in_directory

[function] [call site] 00136


                     list_all_potential_plugins_in_directory_windows

[function] [call site] 00137


                       opendir

[function] [call site] 00138


                       FindFirstFile

[function] [call site] 00139


                       std::string::c_str

[function] [call site] 00140


                       std::vector::push_back

[function] [call site] 00141


                       FindNextFile

[function] [call site] 00142


                       FindClose

[function] [call site] 00143


                     list_all_potential_plugins_in_directory_unix

[function] [call site] 00144


                       opendir

[function] [call site] 00145


                       readdir

[function] [call site] 00146


                       strlen

[function] [call site] 00147


                       strcmp

[function] [call site] 00148


                       strlen

[function] [call site] 00149


                       std::vector::push_back

[function] [call site] 00150


                       closedir

[function] [call site] 00151


                   heif_load_plugin

[function] [call site] 00152


                     PluginLibrary_Unix::load_from_file

[function] [call site] 00153


                       dlopen

[function] [call site] 00154


                       fprintf

[function] [call site] 00155


                       dlerror

[function] [call site] 00156


                       dlsym

[function] [call site] 00157


                       fprintf

[function] [call site] 00158


                       dlerror

[function] [call site] 00159


                     PluginLibrary_Unix::get_plugin_info

[function] [call site] 00160


                     push_back

[function] [call site] 00161


                     static_cast<const

[call site] 00162


                     STRINGIFY

[function] [call site] 00163


                     heif_get_version_number

[function] [call site] 00164


                     heif_register_encoder_plugin

[function] [call site] 00165


                       register_encoder

[function] [call site] 00166


                     static_cast<const

[call site] 00167


                     STRINGIFY

[function] [call site] 00168


                     heif_get_version_number

[function] [call site] 00169


                     heif_register_decoder_plugin

[function] [call site] 00170


                       register_decoder

[function] [call site] 00171


                   c_str

[function] [call site] 00172


                 c_str

[function] [call site] 00173


             heif_context::heif_context

[function] [call site] 00174


             std::make_shared<HeifContext>

[function] [call site] 00175


           heif_context_free

[function] [call site] 00176


           assert

[function] [call site] 00177


           heif_get_encoder_descriptors

[function] [call site] 00178


             get_filtered_encoder_descriptors

[function] [call site] 00179


               load_plugins_if_not_initialized_yet

[function] [call site] 00180


               strcmp

[function] [call site] 00181


               std::vector::push_back

[function] [call site] 00182

get

[function] [call site] 00183


             static_cast<int>

[function] [call site] 00184


             std::vector::size

[function] [call site] 00185


             static_cast<size_t>

[function] [call site] 00186


             std::vector::size

[function] [call site] 00187


           assert

[function] [call site] 00188


           heif_context_get_encoder

[function] [call site] 00189


             heif_encoder::heif_encoder

[function] [call site] 00190


             alloc

[function] [call site] 00191


           std::shared_ptr::get

[function] [call site] 00192


           heif_encoder_set_lossy_quality

[function] [call site] 00193


             uvg266_set_parameter_quality

[function] [call site] 00194


           heif_encoder_set_lossless

[function] [call site] 00195


             uvg266_set_parameter_lossless

[function] [call site] 00196


           create_image

[function] [call site] 00197


             heif_image_create

[function] [call site] 00198


               get_valid_chroma_values_for_colorspace

[function] [call site] 00199


               std::find

[function] [call site] 00200


               Catch::TextFlow::AnsiSkippingString::begin

[function] [call site] 00201


                 const_iterator

[function] [call site] 00202


               Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00203


                 const_iterator

[function] [call site] 00204


               Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00205


               convert_libde265_image_to_heif_image

[function] [call site] 00206


                 de265_get_chroma_format

[function] [call site] 00207


                 heif_image_create

[function] [call site] 00208


                 de265_get_image_width

[function] [call site] 00209


                 de265_get_image_height

[function] [call site] 00210


                 de265_get_chroma_format

[function] [call site] 00211


                 de265_get_bits_per_pixel

[function] [call site] 00212


                 de265_get_bits_per_pixel

[function] [call site] 00213


                 heif_image_release

[function] [call site] 00214


                 de265_get_image_plane

[function] [call site] 00215


                 de265_get_image_width

[function] [call site] 00216


                 de265_get_image_height

[function] [call site] 00217


                 heif_image_release

[function] [call site] 00218


                 heif_image_add_plane_safe

[function] [call site] 00219


                   HeifPixelImage::add_plane

[function] [call site] 00220


                     push_back

[function] [call site] 00221


                     map_channel_to_component_type

[function] [call site] 00222


                       static_cast<uint16_t>

[function] [call site] 00223


                     static_cast<uint32_t>

[function] [call site] 00224


                     size

[function] [call site] 00225


                     num_interleaved_components_per_plane

[function] [call site] 00226


                       assert

[function] [call site] 00227


                     MemoryHandle::alloc

[function] [call site] 00228


                       assert

[function] [call site] 00229


                       std::stringstream::str

[function] [call site] 00230


                       find

[function] [call site] 00231

end

[function] [call site] 00232


                       assert

[function] [call site] 00233


                       std::stringstream::str

[function] [call site] 00234


                     push_back

[function] [call site] 00235


                   Error::error_struct

[function] [call site] 00236


                     ErrorBuffer::set_success

[function] [call site] 00237


                     Error::get_error_string

[function] [call site] 00238


                       assert

[function] [call site] 00239


                     Error::get_error_string

[function] [call site] 00240


                     empty

[function] [call site] 00241


                     ErrorBuffer::set_error

[function] [call site] 00242


                       c_str

[function] [call site] 00243


                     std::stringstream::str

[function] [call site] 00244


                     StreamReader::get_error

[function] [call site] 00245


                   Catch::Detail::unique_ptr::get

[function] [call site] 00246


                 libde265_decoder*::error_message::c_str

[function] [call site] 00247


                 heif_image_release

[function] [call site] 00248


                 heif_image_get_plane2

[function] [call site] 00249


                   HeifPixelImage::get_plane

[function] [call site] 00250


                     HeifPixelImage::get_channel

[function] [call site] 00251


                       HeifPixelImage::find_component_for_channel

[function] [call site] 00252


                       static_cast<int>

[function] [call site] 00253


                       static_cast<T*>

[function] [call site] 00254


                 memcpy

[function] [call site] 00255


               std::make_shared<HeifPixelImage>

[function] [call site] 00256


               Catch::ReporterRegistry::create

[function] [call site] 00257


                 Catch::TagAliasRegistry::find

[function] [call site] 00258


                   Catch::TagAliasRegistry::find

[function] [call site] 00259


                     Catch::TagAliasRegistry::find

[function] [call site] 00260

end

[function] [call site] 00261

end

[function] [call site] 00262


                 Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00263


                   const_iterator

[function] [call site] 00264


                 Catch::ReporterRegistry::create

[function] [call site] 00265


                   Catch::TagAliasRegistry::find

[function] [call site] 00266


                   Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00267


                   Catch::ReporterRegistry::create

[function] [call site] 00268


                   CATCH_MOVE

[function] [call site] 00269


                 CATCH_MOVE

[function] [call site] 00270


             heif_image_add_plane

[function] [call site] 00271


               HeifPixelImage::add_plane

[function] [call site] 00272


               Error::error_struct

[function] [call site] 00273


               Catch::Detail::unique_ptr::get

[function] [call site] 00274


             assert

[function] [call site] 00275


             heif_image_add_plane

[function] [call site] 00276


             assert

[function] [call site] 00277


             heif_image_add_plane

[function] [call site] 00278


             assert

[function] [call site] 00279


             heif_image_get_plane

[function] [call site] 00280


               HeifPixelImage::get_plane

[function] [call site] 00281


               static_cast<uint32_t>

[function] [call site] 00282


               std::numeric_limits<int>::max

[function] [call site] 00283


               static_cast<int>

[function] [call site] 00284


             generate_plane

[function] [call site] 00285


               memset

[function] [call site] 00286


               memset

[function] [call site] 00287


             heif_image_get_plane

[function] [call site] 00288


             generate_plane

[function] [call site] 00289


             heif_image_get_plane

[function] [call site] 00290


             generate_plane

[function] [call site] 00291


           assert

[function] [call site] 00292


           heif_image_release

[function] [call site] 00293


           heif_encoder_release

[function] [call site] 00294


           heif_context_encode_image

[function] [call site] 00295


             set_default_encoding_options

[function] [call site] 00296


             heif_encoding_options_copy

[function] [call site] 00297


               std::min

[function] [call site] 00298


             ImageExtraData::has_nclx_color_profile

[function] [call site] 00299


               nclx_default_if_undefined

[function] [call site] 00300


                 Box_mini::get_colour_primaries

[function] [call site] 00301


                 set_colour_primaries

[function] [call site] 00302


                 get_matrix_coefficients

[function] [call site] 00303


                   static_cast<heif_matrix_coefficients>

[function] [call site] 00304


                 set_matrix_coefficients

[function] [call site] 00305


                 get_transfer_characteristics

[function] [call site] 00306


                   static_cast<heif_transfer_characteristics>

[function] [call site] 00307


                 set_transfer_characteristics

[function] [call site] 00308


             ImageExtraData::get_color_profile_nclx

[function] [call site] 00309


             Box_mini::get_colour_primaries

[function] [call site] 00310


             get_transfer_characteristics

[function] [call site] 00311


               static_cast<heif_transfer_characteristics>

[function] [call site] 00312


             get_matrix_coefficients

[function] [call site] 00313


               static_cast<heif_matrix_coefficients>

[function] [call site] 00314


             get_full_range_flag

[function] [call site] 00315


             encode_image

[function] [call site] 00316


               heif_context_alloc

[function] [call site] 00317


               get_encoder_or_skip_test

[function] [call site] 00318


                 heif_context_get_encoder_for_format

[function] [call site] 00319


                   get_filtered_encoder_descriptors

[function] [call site] 00320


                   std::vector::size

[function] [call site] 00321


                   heif_encoder::heif_encoder

[function] [call site] 00322


                   alloc

[function] [call site] 00323


                   Error::error_struct

[function] [call site] 00324


                     ErrorBuffer::set_success

[function] [call site] 00325


                     Error::get_error_string

[function] [call site] 00326


                     Error::get_error_string

[function] [call site] 00327


                     empty

[function] [call site] 00328


                     ErrorBuffer::set_error

[function] [call site] 00329


                     std::stringstream::str

[function] [call site] 00330


                     StreamReader::get_error

[function] [call site] 00331


                   Catch::Detail::unique_ptr::get

[function] [call site] 00332


                 SKIP

[function] [call site] 00333


                 SKIP

[function] [call site] 00334


                 SKIP

[function] [call site] 00335


               heif_context_encode_image

[function] [call site] 00336


               heif_encoder_release

[function] [call site] 00337


               heif_context_free

[function] [call site] 00338


               heif_encoder_release

[function] [call site] 00339


               heif_image_handle_release

[function] [call site] 00340


               heif_context_free

[function] [call site] 00341


             Error::error_struct

[function] [call site] 00342


             Catch::Detail::unique_ptr::get

[function] [call site] 00343


             HeifContext::is_primary_image_set

[function] [call site] 00344


             HeifContext::set_primary_image

[function] [call site] 00345


               set_primary

[function] [call site] 00346


               set_primary

[function] [call site] 00347


               set_primary_item_id

[function] [call site] 00348


               get_id

[function] [call site] 00349


             heif_image_handle::heif_image_handle

[function] [call site] 00350


             std::move

[function] [call site] 00351


           std::shared_ptr::get

[function] [call site] 00352


           heif_image_release

[function] [call site] 00353


           heif_encoder_release

[function] [call site] 00354


           heif_image_handle_release

[function] [call site] 00355


           MemoryWriter::MemoryWriter

[function] [call site] 00356


           heif_context_write

[function] [call site] 00357


             Error

[function] [call site] 00358


             Catch::Detail::unique_ptr::get

[function] [call site] 00359


             Error::error_struct

[function] [call site] 00360


             Catch::Detail::unique_ptr::get

[function] [call site] 00361


             Catch::JsonObjectWriter::write

[function] [call site] 00362


               Catch::JsonUtils::appendCommaNewline

[function] [call site] 00363


                 Catch::JsonUtils::indent

[function] [call site] 00364


             StreamWriter::get_data

[function] [call site] 00365


             Catch::JsonObjectWriter::write

[function] [call site] 00366


               Catch::JsonUtils::appendCommaNewline

[function] [call site] 00367


             data

[function] [call site] 00368


             size

[function] [call site] 00369


           std::shared_ptr::get

[function] [call site] 00370


           assert

[function] [call site] 00371


           MemoryWriter::size

[function] [call site] 00372