Fuzz introspector: fuzz_entry
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
67 43 LLVMFuzzerTestOneInput call site: 00043 tdefl_compress_buffer
7 111 LLVMFuzzerTestOneInput call site: 00111 mz_zip_writer_finalize_archive
5 15 mz_zip_reader_init_mem call site: 00015 mz_zip_writer_init_heap_v2

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 zip_stream_open [function] [call site] 00001
2 zip_stream_openwitherror [function] [call site] 00002
3 calloc [call site] 00003
3 mz_zip_reader_init_mem [function] [call site] 00004
4 mz_zip_reader_init_internal [function] [call site] 00005
4 mz_zip_reader_read_central_dir [function] [call site] 00006
5 mz_zip_reader_locate_header_sig [function] [call site] 00007
5 mz_zip_reader_eocd64_valid [function] [call site] 00008
5 mz_zip_reader_eocd64_valid [function] [call site] 00009
5 mz_zip_array_ensure_capacity [function] [call site] 00010
6 __assert_fail [call site] 00011
5 mz_zip_array_ensure_capacity [function] [call site] 00012
5 mz_zip_array_ensure_capacity [function] [call site] 00013
5 mz_zip_reader_sort_central_dir_offsets_by_filename [function] [call site] 00014
4 mz_zip_reader_end_internal [function] [call site] 00015
5 fclose [call site] 00016
3 mz_zip_writer_init_heap_v2 [function] [call site] 00017
4 mz_zip_writer_init_v2 [function] [call site] 00018
4 mz_zip_writer_end_internal [function] [call site] 00019
5 fclose [call site] 00020
1 zip_entries_total [function] [call site] 00021
1 zip_entry_openbyindex [function] [call site] 00022
2 zip_strclone [function] [call site] 00023
3 calloc [call site] 00024
2 mz_zip_reader_file_stat [function] [call site] 00025
3 mz_zip_file_stat_internal [function] [call site] 00026
4 mz_zip_dos_to_time_t [function] [call site] 00027
5 mktime [call site] 00028
4 mz_zip_reader_is_file_a_directory [function] [call site] 00029
4 mz_zip_reader_is_file_encrypted [function] [call site] 00030
4 mz_zip_reader_is_file_supported [function] [call site] 00031
1 zip_entry_read [function] [call site] 00032
2 mz_zip_reader_is_file_a_directory [function] [call site] 00033
2 mz_zip_reader_extract_to_heap [function] [call site] 00034
3 mz_zip_reader_file_stat [function] [call site] 00035
3 mz_zip_reader_extract_to_mem_no_alloc1 [function] [call site] 00036
4 mz_zip_reader_file_stat [function] [call site] 00037
4 tinfl_decompress [function] [call site] 00039
5 tinfl_clear_tree [function] [call site] 00040
5 __assert_fail [call site] 00041
1 zip_entry_close [function] [call site] 00043
2 tdefl_compress_buffer [function] [call site] 00044
3 __assert_fail [call site] 00045
3 tdefl_compress [function] [call site] 00046
4 tdefl_flush_output_buffer [function] [call site] 00047
4 tdefl_compress_normal [function] [call site] 00048
5 __assert_fail [call site] 00049
5 __assert_fail [call site] 00050
5 __assert_fail [call site] 00051
5 __assert_fail [call site] 00052
5 __assert_fail [call site] 00053
5 tdefl_flush_block [function] [call site] 00054
6 __assert_fail [call site] 00055
6 __assert_fail [call site] 00056
6 __assert_fail [call site] 00057
6 __assert_fail [call site] 00058
6 tdefl_compress_block [function] [call site] 00059
7 tdefl_start_static_block [function] [call site] 00060
8 tdefl_optimize_huffman_table [function] [call site] 00061
9 tdefl_radix_sort_syms [function] [call site] 00062
9 tdefl_calculate_minimum_redundancy [function] [call site] 00063
9 tdefl_huffman_enforce_max_code_size [function] [call site] 00064
8 tdefl_optimize_huffman_table [function] [call site] 00065
8 __assert_fail [call site] 00066
7 tdefl_start_dynamic_block [function] [call site] 00067
8 tdefl_optimize_huffman_table [function] [call site] 00068
8 tdefl_optimize_huffman_table [function] [call site] 00069
8 tdefl_optimize_huffman_table [function] [call site] 00070
8 __assert_fail [call site] 00071
8 __assert_fail [call site] 00072
8 __assert_fail [call site] 00073
8 __assert_fail [call site] 00074
8 __assert_fail [call site] 00075
8 __assert_fail [call site] 00076
8 __assert_fail [call site] 00077
8 __assert_fail [call site] 00078
7 tdefl_compress_lz_codes [function] [call site] 00079
8 __assert_fail [call site] 00080
8 __assert_fail [call site] 00081
8 __assert_fail [call site] 00082
8 __assert_fail [call site] 00083
8 __assert_fail [call site] 00084
8 __assert_fail [call site] 00085
8 __assert_fail [call site] 00086
8 __assert_fail [call site] 00087
8 __assert_fail [call site] 00088
6 __assert_fail [call site] 00089
6 __assert_fail [call site] 00090
6 __assert_fail [call site] 00091
6 __assert_fail [call site] 00092
6 tdefl_compress_block [function] [call site] 00093
6 __assert_fail [call site] 00094
6 __assert_fail [call site] 00095
6 __assert_fail [call site] 00096
6 __assert_fail [call site] 00097
6 __assert_fail [call site] 00098
6 __assert_fail [call site] 00099
4 mz_adler32 [function] [call site] 00100
4 tdefl_flush_block [function] [call site] 00101
4 tdefl_flush_output_buffer [function] [call site] 00102
2 strlen [call site] 00103
2 mz_zip_time_t_to_dos_time [function] [call site] 00104
3 localtime [call site] 00105
2 mz_zip_writer_create_zip64_extra_data [function] [call site] 00106
2 mz_zip_writer_add_to_central_dir [function] [call site] 00107
3 mz_zip_writer_create_central_dir_header [function] [call site] 00108
3 mz_zip_array_ensure_capacity [function] [call site] 00109
3 mz_zip_array_ensure_capacity [function] [call site] 00110
1 zip_close [function] [call site] 00111
2 mz_zip_writer_finalize_archive [function] [call site] 00112
3 fflush [call site] 00113
2 zip_archive_truncate [function] [call site] 00114
3 fileno [call site] 00115
3 ftruncate [call site] 00116
2 mz_zip_writer_end [function] [call site] 00117
3 mz_zip_writer_end_internal [function] [call site] 00118
2 mz_zip_reader_end [function] [call site] 00119
3 mz_zip_reader_end_internal [function] [call site] 00120