Project: libultrahdr

Language c++
OSS-Fuzz project link
Project repository link
Build status: Fuzzers succeeding: Build log
Build status: Code coverage succeeding: Build log
Build status: Fuzz Introspector succeeding: Build log
Fuzzer count 3
Lines of code 27157
Lines covered 9286
Code coverage 34.19%
Code coverage report Report link
Static reachability 42.45%
Fuzz Introspector report Report link (from 2025-05-21)
Fuzzer Code coverage (lines) Latest Report Comments
ultrahdr_dec_fuzzer 34.91% (avg: 34.85%, max: 34.91%) 2025-05-21
ultrahdr_enc_fuzzer 0% (avg: 0.0%, max: 0%) 2025-05-21
ultrahdr_legacy_fuzzer 0% (avg: 0.0%, max: 0%) 2025-05-21

Historical Progression

Per Fuzzer Progression

Functions of interest to fuzz

This section outlines functions that may be of interest to fuzz. They are based on ranking functions that have a lot of complexity but currently exhibit low code coverage. The complexity is calculated based on the function itself as well as the functions called by the given function, i.e. the tree of code that the function triggers.


This is only a minor amount of introspection information available for this project. Please consult the Fuzz Introspector report for more information, e.g. the introspection table of all functions in the target project available here.

Function name Function source file Accumulated cyclomatic complexity Code coverage
uhdr_encode /src/libultrahdr/lib/src/ultrahdr_api.cpp 2843 0.0%
ultrahdr::JpegR::encodeJPEGR(ultrahdr::jpegr_uncompressed_struct*,ultrahdr::jpegr_uncompressed_struct*,ultrahdr::ultrahdr_transfer_function,ultrahdr::jpegr_compressed_struct*,int,ultrahdr::jpegr_exif_struct*) /src/libultrahdr/lib/src/jpegr.cpp 2491 0.0%
ultrahdr::JpegR::encodeJPEGR(ultrahdr::jpegr_uncompressed_struct*,ultrahdr::ultrahdr_transfer_function,ultrahdr::jpegr_compressed_struct*,int,ultrahdr::jpegr_exif_struct*) /src/libultrahdr/lib/src/jpegr.cpp 2455 0.0%
ultrahdr::JpegR::encodeJPEGR(uhdr_raw_image*,uhdr_raw_image*,uhdr_compressed_image*,int,uhdr_mem_block*) /src/libultrahdr/lib/src/jpegr.cpp 2424 0.0%
ultrahdr::JpegR::encodeJPEGR(ultrahdr::jpegr_uncompressed_struct*,ultrahdr::jpegr_uncompressed_struct*,ultrahdr::jpegr_compressed_struct*,ultrahdr::ultrahdr_transfer_function,ultrahdr::jpegr_compressed_struct*) /src/libultrahdr/lib/src/jpegr.cpp 2412 0.0%
ultrahdr::JpegR::encodeJPEGR(uhdr_raw_image*,uhdr_compressed_image*,int,uhdr_mem_block*) /src/libultrahdr/lib/src/jpegr.cpp 2389 0.0%
ultrahdr::JpegR::encodeJPEGR(ultrahdr::jpegr_uncompressed_struct*,ultrahdr::jpegr_compressed_struct*,ultrahdr::ultrahdr_transfer_function,ultrahdr::jpegr_compressed_struct*) /src/libultrahdr/lib/src/jpegr.cpp 2361 0.0%
ultrahdr::JpegR::encodeJPEGR(uhdr_raw_image*,uhdr_compressed_image*,uhdr_compressed_image*) /src/libultrahdr/lib/src/jpegr.cpp 2300 0.0%
ultrahdr::JpegR::encodeJPEGR(uhdr_raw_image*,uhdr_raw_image*,uhdr_compressed_image*,uhdr_compressed_image*) /src/libultrahdr/lib/src/jpegr.cpp 2270 0.0%
ultrahdr::JpegR::decodeJPEGR(ultrahdr::jpegr_compressed_struct*,ultrahdr::jpegr_uncompressed_struct*,float,ultrahdr::jpegr_exif_struct*,ultrahdr::ultrahdr_output_format,ultrahdr::jpegr_uncompressed_struct*,ultrahdr::ultrahdr_metadata_struct*) /src/libultrahdr/lib/src/jpegr.cpp 2178 0.0%