Fuzz introspector: inspector/source-codeminiz/tests/add_in_place_fuzzer.c
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
2 2 1 :

['exit']

2 2 test_inflate call site: 00000 /src/miniz/tests/small_fuzzer.c:95
2 2 1 :

['fclose']

2 2 mz_zip_reader_init_file_v2 call site: 00028 /src/miniz/build/amalgamation/miniz.c:4143
0 268 1 :

['tdefl_compress_block']

0 268 tdefl_flush_block call site: 00067 /src/miniz/build/amalgamation/miniz.c:1325
0 231 1 :

['inflate']

4 241 test_large_inflate call site: 00000 /src/miniz/tests/large_fuzzer.c:99
0 0 None 19 19 mz_zip_writer_init_file_v2 call site: 00017 /src/miniz/build/amalgamation/miniz.c:5948
0 0 None 12 589 mz_zip_writer_add_mem_ex_v2 call site: 00054 /src/miniz/build/amalgamation/miniz.c:6297
0 0 None 12 589 mz_zip_writer_add_mem_ex_v2 call site: 00054 /src/miniz/build/amalgamation/miniz.c:6321
0 0 None 12 589 mz_zip_writer_add_mem_ex_v2 call site: 00054 /src/miniz/build/amalgamation/miniz.c:6326
0 0 None 12 583 mz_zip_writer_add_mem_ex_v2 call site: 00054 /src/miniz/build/amalgamation/miniz.c:6340
0 0 None 8 566 mz_zip_writer_add_mem_ex_v2 call site: 00054 /src/miniz/build/amalgamation/miniz.c:6378
0 0 None 8 542 mz_zip_writer_add_mem_ex_v2 call site: 00055 /src/miniz/build/amalgamation/miniz.c:6428
0 0 None 6 977 mz_zip_add_mem_to_archive_file_in_place_v2 call site: 00011 /src/miniz/build/amalgamation/miniz.c:7552

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 mz_version [function] [call site] 00001
1 remove [call site] 00002
1 read_string [function] [call site] 00003
2 read_uint32 [function] [call site] 00004
1 read_buffer [function] [call site] 00005
2 read_uint32 [function] [call site] 00006
1 read_uint32 [function] [call site] 00007
1 strlen [call site] 00008
1 mz_zip_add_mem_to_archive_file_in_place [function] [call site] 00009
2 mz_zip_add_mem_to_archive_file_in_place_v2 [function] [call site] 00010
3 mz_zip_zero_struct [function] [call site] 00011
3 mz_zip_writer_validate_archive_name [function] [call site] 00012
3 stat [function] [call site] 00013
4 __xstat [call site] 00014
3 mz_zip_writer_init_file_v2 [function] [call site] 00015
4 mz_zip_writer_init_v2 [function] [call site] 00016
4 fopen [call site] 00017
4 mz_zip_writer_end [function] [call site] 00018
5 mz_zip_writer_end_internal [function] [call site] 00019
6 fclose [call site] 00020
4 mz_zip_writer_end [function] [call site] 00021
3 mz_zip_reader_init_file_v2 [function] [call site] 00022
4 fopen [call site] 00023
4 fseeko [call site] 00024
4 fclose [call site] 00025
4 ftello [call site] 00026
4 fclose [call site] 00027
4 mz_zip_reader_init_internal [function] [call site] 00028
4 fclose [call site] 00029
4 mz_zip_reader_read_central_dir [function] [call site] 00030
5 mz_zip_reader_locate_header_sig [function] [call site] 00031
5 mz_zip_reader_eocd64_valid [function] [call site] 00032
5 mz_zip_reader_eocd64_valid [function] [call site] 00033
5 mz_zip_array_ensure_capacity [function] [call site] 00034
5 mz_zip_array_ensure_capacity [function] [call site] 00035
5 mz_zip_array_ensure_capacity [function] [call site] 00036
5 mz_zip_reader_sort_central_dir_offsets_by_filename [function] [call site] 00037
4 mz_zip_reader_end_internal [function] [call site] 00038
5 fclose [call site] 00039
3 mz_zip_writer_init_from_reader_v2 [function] [call site] 00040
4 freopen [call site] 00041
4 mz_zip_reader_end_internal [function] [call site] 00042
3 mz_zip_reader_end_internal [function] [call site] 00043
3 mz_zip_writer_add_mem_ex [function] [call site] 00044
4 mz_zip_writer_add_mem_ex_v2 [function] [call site] 00045
5 mz_zip_writer_validate_archive_name [function] [call site] 00046
5 mz_zip_time_t_to_dos_time [function] [call site] 00047
6 localtime [call site] 00048
5 time [call site] 00049
5 mz_zip_time_t_to_dos_time [function] [call site] 00050
5 mz_crc32 [function] [call site] 00051
5 strlen [call site] 00052
5 mz_zip_writer_compute_padding_needed_for_file_alignment [function] [call site] 00053
5 mz_zip_array_ensure_capacity [function] [call site] 00054
5 mz_zip_writer_write_zeros [function] [call site] 00055
5 mz_zip_writer_create_zip64_extra_data [function] [call site] 00056
5 mz_zip_writer_create_local_dir_header [function] [call site] 00057
5 mz_zip_writer_create_local_dir_header [function] [call site] 00058
5 tdefl_create_comp_flags_from_zip_params [function] [call site] 00059
5 tdefl_init [function] [call site] 00060
5 mz_zip_writer_add_put_buf_callback [function] [call site] 00061
5 tdefl_compress_buffer [function] [call site] 00062
6 tdefl_compress [function] [call site] 00063
7 tdefl_flush_output_buffer [function] [call site] 00064
7 tdefl_compress_normal [function] [call site] 00065
8 tdefl_flush_block [function] [call site] 00066
9 tdefl_compress_block [function] [call site] 00067
10 tdefl_start_static_block [function] [call site] 00068
11 tdefl_optimize_huffman_table [function] [call site] 00069
12 tdefl_radix_sort_syms [function] [call site] 00070
12 tdefl_calculate_minimum_redundancy [function] [call site] 00071
12 tdefl_huffman_enforce_max_code_size [function] [call site] 00072
11 tdefl_optimize_huffman_table [function] [call site] 00073
10 tdefl_start_dynamic_block [function] [call site] 00074
11 tdefl_optimize_huffman_table [function] [call site] 00075
11 tdefl_optimize_huffman_table [function] [call site] 00076
11 tdefl_optimize_huffman_table [function] [call site] 00077
10 tdefl_compress_lz_codes [function] [call site] 00078
9 tdefl_compress_block [function] [call site] 00079
7 mz_adler32 [function] [call site] 00080
7 tdefl_flush_block [function] [call site] 00081
7 tdefl_flush_output_buffer [function] [call site] 00082
5 mz_zip_writer_create_zip64_extra_data [function] [call site] 00083
5 mz_zip_writer_add_to_central_dir [function] [call site] 00084
6 mz_zip_writer_create_central_dir_header [function] [call site] 00085
6 mz_zip_array_ensure_capacity [function] [call site] 00086
6 mz_zip_array_ensure_capacity [function] [call site] 00087
3 mz_zip_writer_finalize_archive [function] [call site] 00088
4 fflush [call site] 00089
3 mz_zip_writer_end_internal [function] [call site] 00090
3 remove [call site] 00091
1 read_uint32 [function] [call site] 00092
1 mz_zip_extract_archive_file_to_heap [function] [call site] 00093
2 mz_zip_extract_archive_file_to_heap_v2 [function] [call site] 00094
3 mz_zip_zero_struct [function] [call site] 00095
3 mz_zip_reader_init_file_v2 [function] [call site] 00096
3 mz_zip_reader_locate_file_v2 [function] [call site] 00097
4 mz_zip_locate_file_binary_search [function] [call site] 00098
5 strlen [call site] 00099
4 strlen [call site] 00100
4 strlen [call site] 00101
4 memcmp [call site] 00102
4 memcmp [call site] 00103
3 mz_zip_reader_extract_to_heap [function] [call site] 00104
4 mz_zip_reader_file_stat [function] [call site] 00105
5 mz_zip_file_stat_internal [function] [call site] 00106
6 mz_zip_dos_to_time_t [function] [call site] 00107
7 mktime [call site] 00108
6 mz_zip_reader_is_file_a_directory [function] [call site] 00109
6 mz_zip_reader_is_file_encrypted [function] [call site] 00110
6 mz_zip_reader_is_file_supported [function] [call site] 00111
4 mz_zip_reader_extract_to_mem_no_alloc1 [function] [call site] 00112
5 mz_zip_reader_file_stat [function] [call site] 00113
5 mz_crc32 [function] [call site] 00114
5 tinfl_decompress [function] [call site] 00115
6 tinfl_clear_tree [function] [call site] 00116
5 mz_crc32 [function] [call site] 00117
3 mz_zip_reader_end_internal [function] [call site] 00118
1 remove [call site] 00119