Fuzz introspector: miniz/tests/zip_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: 00000 /src/miniz/build/amalgamation/miniz.c:4143
0 268 1 :

['tdefl_compress_block']

0 268 tdefl_flush_block call site: 00000 /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: 00000 /src/miniz/build/amalgamation/miniz.c:5948
0 0 None 12 589 mz_zip_writer_add_mem_ex_v2 call site: 00000 /src/miniz/build/amalgamation/miniz.c:6297
0 0 None 12 589 mz_zip_writer_add_mem_ex_v2 call site: 00000 /src/miniz/build/amalgamation/miniz.c:6321
0 0 None 12 589 mz_zip_writer_add_mem_ex_v2 call site: 00000 /src/miniz/build/amalgamation/miniz.c:6326
0 0 None 12 583 mz_zip_writer_add_mem_ex_v2 call site: 00000 /src/miniz/build/amalgamation/miniz.c:6340
0 0 None 8 566 mz_zip_writer_add_mem_ex_v2 call site: 00000 /src/miniz/build/amalgamation/miniz.c:6378
0 0 None 8 542 mz_zip_writer_add_mem_ex_v2 call site: 00000 /src/miniz/build/amalgamation/miniz.c:6428
0 0 None 6 977 mz_zip_add_mem_to_archive_file_in_place_v2 call site: 00000 /src/miniz/build/amalgamation/miniz.c:7552

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 mz_zip_zero_struct [function] [call site] 00001
1 mz_zip_reader_init_mem [function] [call site] 00002
2 mz_zip_reader_init_internal [function] [call site] 00003
2 mz_zip_reader_read_central_dir [function] [call site] 00004
3 mz_zip_reader_locate_header_sig [function] [call site] 00005
3 mz_zip_reader_eocd64_valid [function] [call site] 00006
3 mz_zip_reader_eocd64_valid [function] [call site] 00007
3 mz_zip_array_ensure_capacity [function] [call site] 00008
3 mz_zip_array_ensure_capacity [function] [call site] 00009
3 mz_zip_array_ensure_capacity [function] [call site] 00010
3 mz_zip_reader_sort_central_dir_offsets_by_filename [function] [call site] 00011
2 mz_zip_reader_end_internal [function] [call site] 00012
3 fclose [call site] 00013
1 mz_zip_reader_get_num_files [function] [call site] 00014
1 mz_zip_clear_last_error [function] [call site] 00015
2 mz_zip_set_last_error [function] [call site] 00016
1 mz_zip_reader_is_file_a_directory [function] [call site] 00017
1 mz_zip_validate_file [function] [call site] 00018
2 mz_zip_file_stat_internal [function] [call site] 00019
3 mz_zip_dos_to_time_t [function] [call site] 00020
4 mktime [call site] 00021
3 mz_zip_reader_is_file_a_directory [function] [call site] 00022
3 mz_zip_reader_is_file_encrypted [function] [call site] 00023
3 mz_zip_reader_is_file_supported [function] [call site] 00024
2 strlen [call site] 00025
2 mz_zip_array_ensure_capacity [function] [call site] 00026
2 memcmp [call site] 00027
2 mz_zip_reader_extract_to_callback [function] [call site] 00028
3 mz_zip_reader_file_stat [function] [call site] 00029
4 mz_zip_file_stat_internal [function] [call site] 00030
3 mz_crc32 [function] [call site] 00031
3 mz_crc32 [function] [call site] 00032
3 tinfl_decompress [function] [call site] 00033
4 tinfl_clear_tree [function] [call site] 00034
3 mz_crc32 [function] [call site] 00035
2 mz_zip_compute_crc32_callback [function] [call site] 00036
3 mz_crc32 [function] [call site] 00037
1 mz_zip_reader_is_file_encrypted [function] [call site] 00038
1 mz_zip_clear_last_error [function] [call site] 00039
1 mz_zip_reader_get_filename [function] [call site] 00040
1 mz_zip_get_last_error [function] [call site] 00041
1 mz_zip_reader_file_stat [function] [call site] 00042
1 mz_zip_reader_extract_file_to_mem [function] [call site] 00043
2 mz_zip_reader_extract_file_to_mem_no_alloc [function] [call site] 00044
3 mz_zip_reader_locate_file_v2 [function] [call site] 00045
4 mz_zip_locate_file_binary_search [function] [call site] 00046
5 strlen [call site] 00047
4 strlen [call site] 00048
4 strlen [call site] 00049
4 memcmp [call site] 00050
4 memcmp [call site] 00051
3 mz_zip_reader_extract_to_mem_no_alloc1 [function] [call site] 00052
4 mz_zip_reader_file_stat [function] [call site] 00053
4 mz_crc32 [function] [call site] 00054
4 tinfl_decompress [function] [call site] 00055
4 mz_crc32 [function] [call site] 00056
1 mz_zip_reader_end [function] [call site] 00057
2 mz_zip_reader_end_internal [function] [call site] 00058