Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
171	4	heif_init	call site: 00004	list_all_potential_plugins_in_directory
35	208	heif_image_create	call site: 00208	heif_image_create
25	304	heif_context_encode_image	call site: 00304	get_encoder_or_skip_test
19	284	heif_context_encode_image	call site: 00284	ImageDescription::has_nclx_color_profile
14	245	heif_image_create	call site: 00245	Catch::ReporterRegistry::create
8	260	heif_image_add_plane	call site: 00260	Error::error_struct
7	272	heif_image_get_plane	call site: 00272	heif_image_get_plane
6	181	heif_get_encoder_descriptors	call site: 00181	load_plugins_if_not_initialized_yet
4	333	heif_context_encode_image	call site: 00333
4	345	LLVMFuzzerTestOneInput	call site: 00345	Error::error_struct
4	350	heif_context_write	call site: 00350	Error::error_struct
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_adjust_alpha_bit_depth>

[function] [call site] 00051


                   emplace_back

[function] [call site] 00052


                   std::make_shared<Op_to_hdr_planes>

[function] [call site] 00053


                   emplace_back

[function] [call site] 00054


                   std::make_shared<Op_to_sdr_planes>

[function] [call site] 00055


                   emplace_back

[function] [call site] 00056


                   std::make_shared<Op_YCbCr420_bilinear_to_YCbCr444<uint8_t>>

[function] [call site] 00057


                   emplace_back

[function] [call site] 00058


                   std::make_shared<Op_YCbCr420_bilinear_to_YCbCr444<uint16_t>>

[function] [call site] 00059


                   emplace_back

[function] [call site] 00060


                   std::make_shared<Op_YCbCr422_bilinear_to_YCbCr444<uint8_t>>

[function] [call site] 00061


                   emplace_back

[function] [call site] 00062


                   std::make_shared<Op_YCbCr422_bilinear_to_YCbCr444<uint16_t>>

[function] [call site] 00063


                   emplace_back

[function] [call site] 00064


                   std::make_shared<Op_YCbCr444_to_YCbCr420_average<uint8_t>>

[function] [call site] 00065


                   emplace_back

[function] [call site] 00066


                   std::make_shared<Op_YCbCr444_to_YCbCr420_average<uint16_t>>

[function] [call site] 00067


                   emplace_back

[function] [call site] 00068


                   std::make_shared<Op_YCbCr444_to_YCbCr422_average<uint8_t>>

[function] [call site] 00069


                   emplace_back

[function] [call site] 00070


                   std::make_shared<Op_YCbCr444_to_YCbCr422_average<uint16_t>>

[function] [call site] 00071


                   emplace_back

[function] [call site] 00072


                   std::make_shared<Op_Any_RGB_to_YCbCr_420_Sharp>

[function] [call site] 00073


                 register_default_plugins

[function] [call site] 00074


                   register_decoder

[function] [call site] 00075


                     insert

[function] [call site] 00076


                   get_decoder_plugin_webcodecs

[function] [call site] 00077


                   register_decoder

[function] [call site] 00078


                   get_decoder_plugin_libde265

[function] [call site] 00079


                   register_encoder

[function] [call site] 00080


                     std::unique_ptr<heif_encoder_descriptor>

[function] [call site] 00081


                     heif_encoder_descriptor::heif_encoder_descriptor

[function] [call site] 00082


                     insert

[function] [call site] 00083


                     std::move

[function] [call site] 00084


                   get_encoder_plugin_x265

[function] [call site] 00085


                   register_encoder

[function] [call site] 00086


                   get_encoder_plugin_kvazaar

[function] [call site] 00087


                   register_encoder

[function] [call site] 00088


                   get_encoder_plugin_uvg266

[function] [call site] 00089


                   register_encoder

[function] [call site] 00090


                   get_encoder_plugin_vvenc

[function] [call site] 00091


                   register_decoder

[function] [call site] 00092


                   get_decoder_plugin_vvdec

[function] [call site] 00093


                   register_encoder

[function] [call site] 00094


                   get_encoder_plugin_aom

[function] [call site] 00095


                   register_decoder

[function] [call site] 00096


                   get_decoder_plugin_aom

[function] [call site] 00097


                   register_encoder

[function] [call site] 00098


                   get_encoder_plugin_rav1e

[function] [call site] 00099


                   register_decoder

[function] [call site] 00100


                   get_decoder_plugin_dav1d

[function] [call site] 00101


                   register_encoder

[function] [call site] 00102


                   get_encoder_plugin_svt

[function] [call site] 00103


                   register_decoder

[function] [call site] 00104


                   get_decoder_plugin_ffmpeg

[function] [call site] 00105


                   register_decoder

[function] [call site] 00106


                   get_decoder_plugin_jpeg

[function] [call site] 00107


                   register_encoder

[function] [call site] 00108


                   get_encoder_plugin_jpeg

[function] [call site] 00109


                   register_encoder

[function] [call site] 00110


                   get_encoder_plugin_openjpeg

[function] [call site] 00111


                   register_decoder

[function] [call site] 00112


                   get_decoder_plugin_openjpeg

[function] [call site] 00113


                   register_encoder

[function] [call site] 00114


                   get_encoder_plugin_openjph

[function] [call site] 00115


                   register_decoder

[function] [call site] 00116


                   get_decoder_plugin_openh264

[function] [call site] 00117


                   register_encoder

[function] [call site] 00118


                   get_encoder_plugin_x264

[function] [call site] 00119


                   register_encoder

[function] [call site] 00120


                   get_encoder_plugin_uncompressed

[function] [call site] 00121


                   register_decoder

[function] [call site] 00122


                   get_decoder_plugin_uncompressed

[function] [call site] 00123


                   register_encoder

[function] [call site] 00124


                   get_encoder_plugin_mask

[function] [call site] 00125


                 get_plugin_paths

[function] [call site] 00126


                   get_plugin_directories_from_environment_variable_windows

[function] [call site] 00127


                     getenv

[function] [call site] 00128


                     getline

[function] [call site] 00129


                     std::vector::push_back

[function] [call site] 00130


                   get_plugin_directories_from_environment_variable_unix

[function] [call site] 00131


                     getenv

[function] [call site] 00132


                     getline

[function] [call site] 00133


                     std::vector::push_back

[function] [call site] 00134


                   std::vector::empty

[function] [call site] 00135


                   std::vector::push_back

[function] [call site] 00136


                 heif_load_plugins

[function] [call site] 00137


                   list_all_potential_plugins_in_directory

[function] [call site] 00138


                     list_all_potential_plugins_in_directory_windows

[function] [call site] 00139


                       opendir

[function] [call site] 00140


                       FindFirstFile

[function] [call site] 00141


                       std::string::c_str

[function] [call site] 00142


                       std::vector::push_back

[function] [call site] 00143


                       FindNextFile

[function] [call site] 00144


                       FindClose

[function] [call site] 00145


                     list_all_potential_plugins_in_directory_unix

[function] [call site] 00146


                       opendir

[function] [call site] 00147


                       readdir

[function] [call site] 00148


                       strlen

[function] [call site] 00149


                       strcmp

[function] [call site] 00150


                       strlen

[function] [call site] 00151


                       std::vector::push_back

[function] [call site] 00152


                       closedir

[function] [call site] 00153


                   heif_load_plugin

[function] [call site] 00154


                     PluginLibrary_Unix::load_from_file

[function] [call site] 00155


                       dlopen

[function] [call site] 00156


                       fprintf

[function] [call site] 00157


                       dlerror

[function] [call site] 00158


                       dlsym

[function] [call site] 00159


                       fprintf

[function] [call site] 00160


                       dlerror

[function] [call site] 00161


                     PluginLibrary_Unix::get_plugin_info

[function] [call site] 00162


                     push_back

[function] [call site] 00163


                     static_cast<const

[call site] 00164


                     STRINGIFY

[function] [call site] 00165


                     heif_get_version_number

[function] [call site] 00166


                     heif_register_encoder_plugin

[function] [call site] 00167


                       register_encoder

[function] [call site] 00168


                     static_cast<const

[call site] 00169


                     STRINGIFY

[function] [call site] 00170


                     heif_get_version_number

[function] [call site] 00171


                     heif_register_decoder_plugin

[function] [call site] 00172


                       register_decoder

[function] [call site] 00173


                   c_str

[function] [call site] 00174


                 c_str

[function] [call site] 00175


             heif_context::heif_context

[function] [call site] 00176


             std::make_shared<HeifContext>

[function] [call site] 00177


           heif_context_free

[function] [call site] 00178


           assert

[function] [call site] 00179


           heif_get_encoder_descriptors

[function] [call site] 00180


             get_filtered_encoder_descriptors

[function] [call site] 00181


               load_plugins_if_not_initialized_yet

[function] [call site] 00182


               strcmp

[function] [call site] 00183


               std::vector::push_back

[function] [call site] 00184

get

[function] [call site] 00185


             static_cast<int>

[function] [call site] 00186


             std::vector::size

[function] [call site] 00187


             static_cast<size_t>

[function] [call site] 00188


             std::vector::size

[function] [call site] 00189


           assert

[function] [call site] 00190


           heif_context_get_encoder

[function] [call site] 00191


             heif_encoder::heif_encoder

[function] [call site] 00192


             alloc

[function] [call site] 00193


           std::shared_ptr::get

[function] [call site] 00194


           heif_encoder_set_lossy_quality

[function] [call site] 00195


             uvg266_set_parameter_quality

[function] [call site] 00196


           heif_encoder_set_lossless

[function] [call site] 00197


             uvg266_set_parameter_lossless

[function] [call site] 00198


           create_image

[function] [call site] 00199


             heif_image_create

[function] [call site] 00200


               get_valid_chroma_values_for_colorspace

[function] [call site] 00201


               std::find

[function] [call site] 00202


               Catch::TextFlow::AnsiSkippingString::begin

[function] [call site] 00203


                 const_iterator

[function] [call site] 00204


               Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00205


                 const_iterator

[function] [call site] 00206


               Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00207


               convert_libde265_image_to_heif_image

[function] [call site] 00208


                 de265_get_chroma_format

[function] [call site] 00209


                 heif_image_create

[function] [call site] 00210


                 de265_get_image_width

[function] [call site] 00211


                 de265_get_image_height

[function] [call site] 00212


                 de265_get_chroma_format

[function] [call site] 00213


                 de265_get_bits_per_pixel

[function] [call site] 00214


                 de265_get_bits_per_pixel

[function] [call site] 00215


                 heif_image_release

[function] [call site] 00216


                 de265_get_image_plane

[function] [call site] 00217


                 de265_get_image_width

[function] [call site] 00218


                 de265_get_image_height

[function] [call site] 00219


                 heif_image_release

[function] [call site] 00220


                 heif_image_add_plane_safe

[function] [call site] 00221


                   Box_cdef::add_channel

[function] [call site] 00222


                     push_back

[function] [call site] 00223


                   Error::error_struct

[function] [call site] 00224


                     ErrorBuffer::set_success

[function] [call site] 00225


                     Error::get_error_string

[function] [call site] 00226


                       assert

[function] [call site] 00227


                     Error::get_error_string

[function] [call site] 00228


                     empty

[function] [call site] 00229


                     ErrorBuffer::set_error

[function] [call site] 00230


                       c_str

[function] [call site] 00231


                     std::stringstream::str

[function] [call site] 00232


                     StreamReader::get_error

[function] [call site] 00233


                   Catch::Detail::unique_ptr::get

[function] [call site] 00234


                 libde265_decoder*::error_message::c_str

[function] [call site] 00235


                 heif_image_release

[function] [call site] 00236


                 heif_image_get_plane2

[function] [call site] 00237


                   HeifPixelImage::get_channel_memory

[function] [call site] 00238


                     HeifPixelImage::get_channel_memory

[function] [call site] 00239


                       HeifPixelImage::get_channel_memory

[function] [call site] 00240


                 memcpy

[function] [call site] 00241


                 static_cast<size_t>

[function] [call site] 00242


                 static_cast<size_t>

[function] [call site] 00243


               std::make_shared<HeifPixelImage>

[function] [call site] 00244


               Catch::ReporterRegistry::create

[function] [call site] 00245


                 Catch::TagAliasRegistry::find

[function] [call site] 00246


                   Catch::TagAliasRegistry::find

[function] [call site] 00247


                     Catch::TagAliasRegistry::find

[function] [call site] 00248

end

[function] [call site] 00249

end

[function] [call site] 00250


                 Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00251


                   const_iterator

[function] [call site] 00252


                 Catch::ReporterRegistry::create

[function] [call site] 00253


                   Catch::TagAliasRegistry::find

[function] [call site] 00254


                   Catch::TextFlow::AnsiSkippingString::end

[function] [call site] 00255


                   Catch::ReporterRegistry::create

[function] [call site] 00256


                   CATCH_MOVE

[function] [call site] 00257


                 CATCH_MOVE

[function] [call site] 00258


             heif_image_add_plane

[function] [call site] 00259


               Box_cdef::add_channel

[function] [call site] 00260


               Error::error_struct

[function] [call site] 00261


               Catch::Detail::unique_ptr::get

[function] [call site] 00262


             assert

[function] [call site] 00263


             heif_image_add_plane

[function] [call site] 00264


             assert

[function] [call site] 00265


             heif_image_add_plane

[function] [call site] 00266


             assert

[function] [call site] 00267


             heif_image_get_plane

[function] [call site] 00268


               HeifPixelImage::get_channel_memory

[function] [call site] 00269


               static_cast<uint32_t>

[function] [call site] 00270


               std::numeric_limits<int>::max

[function] [call site] 00271


               static_cast<int>

[function] [call site] 00272


             generate_plane

[function] [call site] 00273


               memset

[function] [call site] 00274


               memset

[function] [call site] 00275


             heif_image_get_plane

[function] [call site] 00276


             generate_plane

[function] [call site] 00277


             heif_image_get_plane

[function] [call site] 00278


             generate_plane

[function] [call site] 00279


           assert

[function] [call site] 00280


           heif_image_release

[function] [call site] 00281


           heif_encoder_release

[function] [call site] 00282


           heif_context_encode_image

[function] [call site] 00283


             set_default_encoding_options

[function] [call site] 00284


             heif_encoding_options_copy

[function] [call site] 00285


               std::min

[function] [call site] 00286


             ImageDescription::has_nclx_color_profile

[function] [call site] 00287


               nclx_default_if_undefined

[function] [call site] 00288


                 Box_mini::get_colour_primaries

[function] [call site] 00289


                 set_colour_primaries

[function] [call site] 00290


                 get_matrix_coefficients

[function] [call site] 00291


                   static_cast<heif_matrix_coefficients>

[function] [call site] 00292


                 set_matrix_coefficients

[function] [call site] 00293


                 get_transfer_characteristics

[function] [call site] 00294


                   static_cast<heif_transfer_characteristics>

[function] [call site] 00295


                 set_transfer_characteristics

[function] [call site] 00296


             ImageDescription::get_color_profile_nclx

[function] [call site] 00297


             Box_mini::get_colour_primaries

[function] [call site] 00298


             get_transfer_characteristics

[function] [call site] 00299


               static_cast<heif_transfer_characteristics>

[function] [call site] 00300


             get_matrix_coefficients

[function] [call site] 00301


               static_cast<heif_matrix_coefficients>

[function] [call site] 00302


             get_full_range_flag

[function] [call site] 00303


             encode_image

[function] [call site] 00304


               heif_context_alloc

[function] [call site] 00305


               get_encoder_or_skip_test

[function] [call site] 00306


                 heif_context_get_encoder_for_format

[function] [call site] 00307


                   get_filtered_encoder_descriptors

[function] [call site] 00308


                   std::vector::size

[function] [call site] 00309


                   heif_encoder::heif_encoder

[function] [call site] 00310


                   alloc

[function] [call site] 00311


                   Error::error_struct

[function] [call site] 00312


                     ErrorBuffer::set_success

[function] [call site] 00313


                     Error::get_error_string

[function] [call site] 00314


                     Error::get_error_string

[function] [call site] 00315


                     empty

[function] [call site] 00316


                     ErrorBuffer::set_error

[function] [call site] 00317


                     std::stringstream::str

[function] [call site] 00318


                     StreamReader::get_error

[function] [call site] 00319


                   Catch::Detail::unique_ptr::get

[function] [call site] 00320


                 SKIP

[function] [call site] 00321


                 SKIP

[function] [call site] 00322


                 SKIP

[function] [call site] 00323


               heif_context_encode_image

[function] [call site] 00324


               heif_encoder_release

[function] [call site] 00325


               heif_context_free

[function] [call site] 00326


               heif_encoder_release

[function] [call site] 00327


               heif_image_handle_release

[function] [call site] 00328


               heif_context_free

[function] [call site] 00329


             Error::error_struct

[function] [call site] 00330


             Catch::Detail::unique_ptr::get

[function] [call site] 00331


             HeifContext::is_primary_image_set

[function] [call site] 00332


             HeifContext::set_primary_image

[function] [call site] 00333


               set_primary

[function] [call site] 00334


               set_primary

[function] [call site] 00335


               set_primary_item_id

[function] [call site] 00336


               get_id

[function] [call site] 00337


             heif_image_handle::heif_image_handle

[function] [call site] 00338


             std::move

[function] [call site] 00339


           std::shared_ptr::get

[function] [call site] 00340


           heif_image_release

[function] [call site] 00341


           heif_encoder_release

[function] [call site] 00342


           heif_image_handle_release

[function] [call site] 00343


           MemoryWriter::MemoryWriter

[function] [call site] 00344


           heif_context_write

[function] [call site] 00345


             Error

[function] [call site] 00346


             Catch::Detail::unique_ptr::get

[function] [call site] 00347


             Error::error_struct

[function] [call site] 00348


             Catch::Detail::unique_ptr::get

[function] [call site] 00349


             Catch::JsonObjectWriter::write

[function] [call site] 00350


               Catch::JsonUtils::appendCommaNewline

[function] [call site] 00351


                 Catch::JsonUtils::indent

[function] [call site] 00352


             Error::error_struct

[function] [call site] 00353


             Catch::Detail::unique_ptr::get

[function] [call site] 00354


             StreamWriter::get_data

[function] [call site] 00355


             Catch::JsonObjectWriter::write

[function] [call site] 00356


               Catch::JsonUtils::appendCommaNewline

[function] [call site] 00357


             data

[function] [call site] 00358


             size

[function] [call site] 00359


           std::shared_ptr::get

[function] [call site] 00360


           assert

[function] [call site] 00361


           MemoryWriter::size

[function] [call site] 00362