Fuzz introspector: miniz/tests/flush_fuzzer.c
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
5 0 EP call site: 00000 test_flush
2 36 test_flush call site: 00036 fprintf
1 13 mz_deflate call site: 00013 tdefl_flush_output_buffer
1 15 tdefl_compress call site: 00015 tdefl_flush_block
1 17 tdefl_flush_block call site: 00017 tdefl_start_static_block
1 28 tdefl_compress_block call site: 00028 tdefl_compress_block

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 mz_compressBound [function] [call site] 00001
2 mz_deflateBound [function] [call site] 00002
1 calloc [call site] 00003
1 calloc [call site] 00004
1 test_flush [function] [call site] 00005
2 mz_deflateInit [function] [call site] 00006
3 mz_deflateInit2 [function] [call site] 00007
4 tdefl_create_comp_flags_from_zip_params [function] [call site] 00008
4 tdefl_init [function] [call site] 00009
2 fprintf [call site] 00010
2 exit [call site] 00011
2 mz_deflate [function] [call site] 00012
3 tdefl_compress [function] [call site] 00013
4 tdefl_flush_output_buffer [function] [call site] 00014
4 tdefl_compress_normal [function] [call site] 00015
5 tdefl_flush_block [function] [call site] 00016
6 tdefl_compress_block [function] [call site] 00017
7 tdefl_start_static_block [function] [call site] 00018
8 tdefl_optimize_huffman_table [function] [call site] 00019
9 tdefl_radix_sort_syms [function] [call site] 00020
9 tdefl_calculate_minimum_redundancy [function] [call site] 00021
9 tdefl_huffman_enforce_max_code_size [function] [call site] 00022
8 tdefl_optimize_huffman_table [function] [call site] 00023
7 tdefl_start_dynamic_block [function] [call site] 00024
8 tdefl_optimize_huffman_table [function] [call site] 00025
8 tdefl_optimize_huffman_table [function] [call site] 00026
8 tdefl_optimize_huffman_table [function] [call site] 00027
7 tdefl_compress_lz_codes [function] [call site] 00028
6 tdefl_compress_block [function] [call site] 00029
4 mz_adler32 [function] [call site] 00030
4 tdefl_flush_block [function] [call site] 00031
4 tdefl_flush_output_buffer [function] [call site] 00032
3 tdefl_get_adler32 [function] [call site] 00033
2 fprintf [call site] 00034
2 exit [call site] 00035
2 mz_deflate [function] [call site] 00036
2 fprintf [call site] 00037
2 exit [call site] 00038
2 mz_deflateEnd [function] [call site] 00039
2 fprintf [call site] 00040
2 exit [call site] 00041