Fuzz introspector: zip_fuzzer
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
0 0 None 6 6 mz_zip_reader_locate_file_v2 call site: 00046 /src/miniz/build/amalgamation/miniz.c:4430
0 0 None 2 2 mz_zip_reader_end_internal call site: 00015 /src/miniz/build/amalgamation/miniz.c:3911
0 0 None 0 272 mz_zip_reader_extract_to_mem_no_alloc1 call site: 00053 /src/miniz/build/amalgamation/miniz.c:4497
0 0 None 0 205 mz_zip_reader_extract_to_mem_no_alloc1 call site: 00055 /src/miniz/build/amalgamation/miniz.c:4552
0 0 None 0 205 mz_zip_reader_extract_to_mem_no_alloc1 call site: 00055 /src/miniz/build/amalgamation/miniz.c:4587
0 0 None 0 3 tinfl_decompress call site: 00036 /src/miniz/build/amalgamation/miniz.c:2480
0 0 None 0 0 tinfl_decompress call site: 00036 /src/miniz/build/amalgamation/miniz.c:2457
0 0 None 0 0 tinfl_decompress call site: 00037 /src/miniz/build/amalgamation/miniz.c:2855
0 0 None 0 0 mz_zip_reader_get_filename call site: 00041 /src/miniz/build/amalgamation/miniz.c:7792
0 0 None 0 0 mz_zip_reader_end_internal call site: 00015 /src/miniz/build/amalgamation/miniz.c:3929
0 0 None 0 0 mz_zip_reader_extract_to_mem_no_alloc1 call site: 00057 /src/miniz/build/amalgamation/miniz.c:4624
0 0 None 0 0 mz_zip_array_ensure_capacity call site: 00011 /src/miniz/build/amalgamation/miniz.c:3363

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
3 miniz_def_alloc_func [function] [call site] 00004
3 miniz_def_free_func [function] [call site] 00005
3 miniz_def_realloc_func [function] [call site] 00006
4 realloc [call site] 00007
2 mz_zip_mem_read_func [function] [call site] 00008
2 mz_zip_reader_read_central_dir [function] [call site] 00009
3 mz_zip_reader_locate_header_sig [function] [call site] 00010
3 mz_zip_array_ensure_capacity [function] [call site] 00011
3 mz_zip_array_ensure_capacity [function] [call site] 00012
3 mz_zip_array_ensure_capacity [function] [call site] 00013
3 mz_zip_reader_sort_central_dir_offsets_by_filename [function] [call site] 00014
2 mz_zip_reader_end_internal [function] [call site] 00015
3 fclose [call site] 00016
1 mz_zip_reader_get_num_files [function] [call site] 00017
1 mz_zip_clear_last_error [function] [call site] 00018
2 mz_zip_set_last_error [function] [call site] 00019
1 mz_zip_reader_is_file_a_directory [function] [call site] 00020
1 mz_zip_validate_file [function] [call site] 00021
2 mz_zip_file_stat_internal [function] [call site] 00022
3 mz_zip_dos_to_time_t [function] [call site] 00023
4 mktime [call site] 00024
3 mz_zip_reader_is_file_a_directory [function] [call site] 00025
3 mz_zip_reader_is_file_encrypted [function] [call site] 00026
3 mz_zip_reader_is_file_supported [function] [call site] 00027
2 strlen [call site] 00028
2 mz_zip_array_ensure_capacity [function] [call site] 00029
2 memcmp [call site] 00030
2 mz_zip_reader_extract_to_callback [function] [call site] 00031
3 mz_zip_reader_file_stat [function] [call site] 00032
4 mz_zip_file_stat_internal [function] [call site] 00033
3 tinfl_decompress [function] [call site] 00036
4 tinfl_clear_tree [function] [call site] 00037
1 mz_zip_reader_is_file_encrypted [function] [call site] 00039
1 mz_zip_clear_last_error [function] [call site] 00040
1 mz_zip_reader_get_filename [function] [call site] 00041
1 mz_zip_get_last_error [function] [call site] 00042
1 mz_zip_reader_file_stat [function] [call site] 00043
1 mz_zip_reader_extract_file_to_mem [function] [call site] 00044
2 mz_zip_reader_extract_file_to_mem_no_alloc [function] [call site] 00045
3 mz_zip_reader_locate_file_v2 [function] [call site] 00046
4 mz_zip_locate_file_binary_search [function] [call site] 00047
5 strlen [call site] 00048
4 strlen [call site] 00049
4 strlen [call site] 00050
4 memcmp [call site] 00051
4 memcmp [call site] 00052
3 mz_zip_reader_extract_to_mem_no_alloc1 [function] [call site] 00053
4 mz_zip_reader_file_stat [function] [call site] 00054
4 tinfl_decompress [function] [call site] 00056
1 mz_zip_reader_end [function] [call site] 00058
2 mz_zip_reader_end_internal [function] [call site] 00059