Fuzz introspector: inspector/source-codeexample_dict_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
15 52 deflate call site: 00052 crc32
8 138 inflate call site: 00138 crc32
7 14 crc32_z call site: 00014 byte_swap
3 72 deflate_stored call site: 00072 read_buf
3 110 deflate_rle call site: 00110 _tr_flush_block
3 155 inflate call site: 00155 crc32
2 102 deflate_huff call site: 00102 _tr_flush_block
2 114 _tr_align call site: 00114 flush_pending
2 135 inflate call site: 00135 crc32
1 2 test_dict_deflate call site: 00002 deflateEnd
1 35 read_buf call site: 00035 crc32
1 44 deflate call site: 00044 flush_pending

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 test_dict_deflate [function] [call site] 00001
2 deflateInit2_ [function] [call site] 00002
3 deflateEnd [function] [call site] 00003
4 deflateStateCheck [function] [call site] 00004
3 deflateReset [function] [call site] 00005
4 deflateResetKeep [function] [call site] 00006
5 deflateStateCheck [function] [call site] 00007
5 crc32 [function] [call site] 00008
6 crc32_z [function] [call site] 00009
7 crc_word [function] [call site] 00010
7 crc_word [function] [call site] 00011
7 crc_word [function] [call site] 00012
7 crc_word [function] [call site] 00013
7 crc_word [function] [call site] 00014
7 byte_swap [function] [call site] 00015
7 crc_word_big [function] [call site] 00016
7 crc_word_big [function] [call site] 00017
7 crc_word_big [function] [call site] 00018
7 crc_word_big [function] [call site] 00019
7 crc_word_big [function] [call site] 00020
7 byte_swap [function] [call site] 00021
5 adler32 [function] [call site] 00022
6 adler32_z [function] [call site] 00023
5 _tr_init [function] [call site] 00024
6 tr_static_init [function] [call site] 00025
6 init_block [function] [call site] 00026
4 lm_init [function] [call site] 00027
2 fprintf [call site] 00028
2 deflateSetDictionary [function] [call site] 00029
3 deflateStateCheck [function] [call site] 00030
3 adler32 [function] [call site] 00031
3 fill_window [function] [call site] 00032
4 slide_hash [function] [call site] 00033
4 read_buf [function] [call site] 00034
5 adler32 [function] [call site] 00035
5 crc32 [function] [call site] 00036
3 fill_window [function] [call site] 00037
2 fprintf [call site] 00038
2 deflateBound [function] [call site] 00039
3 deflateBound_z [function] [call site] 00040
4 deflateStateCheck [function] [call site] 00041
2 calloc [call site] 00042
2 deflate [function] [call site] 00043
3 deflateStateCheck [function] [call site] 00044
3 flush_pending [function] [call site] 00045
4 _tr_flush_bits [function] [call site] 00046
5 bi_flush [function] [call site] 00047
3 putShortMSB [function] [call site] 00048
3 putShortMSB [function] [call site] 00049
3 putShortMSB [function] [call site] 00050
3 adler32 [function] [call site] 00051
3 flush_pending [function] [call site] 00052
3 crc32 [function] [call site] 00053
3 flush_pending [function] [call site] 00054
3 crc32 [function] [call site] 00055
3 crc32 [function] [call site] 00056
3 flush_pending [function] [call site] 00057
3 crc32 [function] [call site] 00058
3 crc32 [function] [call site] 00059
3 flush_pending [function] [call site] 00060
3 crc32 [function] [call site] 00061
3 crc32 [function] [call site] 00062
3 flush_pending [function] [call site] 00063
3 crc32 [function] [call site] 00064
3 flush_pending [function] [call site] 00065
3 crc32 [function] [call site] 00066
3 flush_pending [function] [call site] 00067
3 deflate_stored [function] [call site] 00068
4 _tr_stored_block [function] [call site] 00069
5 bi_windup [function] [call site] 00070
4 flush_pending [function] [call site] 00071
4 read_buf [function] [call site] 00072
4 read_buf [function] [call site] 00073
4 _tr_stored_block [function] [call site] 00074
4 flush_pending [function] [call site] 00075
3 deflate_huff [function] [call site] 00076
4 fill_window [function] [call site] 00077
4 _tr_flush_block [function] [call site] 00078
5 detect_data_type [function] [call site] 00079
5 build_tree [function] [call site] 00080
6 pqdownheap [function] [call site] 00081
6 pqdownheap [function] [call site] 00082
6 pqdownheap [function] [call site] 00083
6 gen_bitlen [function] [call site] 00084
6 gen_codes [function] [call site] 00085
7 bi_reverse [function] [call site] 00086
5 build_tree [function] [call site] 00087
5 build_bl_tree [function] [call site] 00088
6 scan_tree [function] [call site] 00089
6 scan_tree [function] [call site] 00090
6 build_tree [function] [call site] 00091
5 _tr_stored_block [function] [call site] 00092
5 compress_block [function] [call site] 00093
5 send_all_trees [function] [call site] 00094
6 send_tree [function] [call site] 00095
6 send_tree [function] [call site] 00096
5 compress_block [function] [call site] 00097
5 init_block [function] [call site] 00098
5 bi_windup [function] [call site] 00099
4 flush_pending [function] [call site] 00100
4 _tr_flush_block [function] [call site] 00101
4 flush_pending [function] [call site] 00102
4 _tr_flush_block [function] [call site] 00103
4 flush_pending [function] [call site] 00104
3 deflate_rle [function] [call site] 00105
4 fill_window [function] [call site] 00106
4 _tr_flush_block [function] [call site] 00107
4 flush_pending [function] [call site] 00108
4 _tr_flush_block [function] [call site] 00109
4 flush_pending [function] [call site] 00110
4 _tr_flush_block [function] [call site] 00111
4 flush_pending [function] [call site] 00112
3 _tr_align [function] [call site] 00113
4 bi_flush [function] [call site] 00114
3 _tr_stored_block [function] [call site] 00115
3 flush_pending [function] [call site] 00116
3 putShortMSB [function] [call site] 00117
3 putShortMSB [function] [call site] 00118
3 flush_pending [function] [call site] 00119
2 fprintf [call site] 00120
2 deflateEnd [function] [call site] 00121
2 fprintf [call site] 00122
1 test_dict_inflate [function] [call site] 00123
2 inflateInit_ [function] [call site] 00124
3 inflateInit2_ [function] [call site] 00125
4 inflateReset2 [function] [call site] 00126
5 inflateStateCheck [function] [call site] 00127
5 inflateReset [function] [call site] 00128
6 inflateStateCheck [function] [call site] 00129
6 inflateResetKeep [function] [call site] 00130
7 inflateStateCheck [function] [call site] 00131
2 fprintf [call site] 00132
2 calloc [call site] 00133
2 inflate [function] [call site] 00134
3 inflateStateCheck [function] [call site] 00135
3 crc32 [function] [call site] 00136
3 crc32 [function] [call site] 00137
3 adler32 [function] [call site] 00138
3 crc32 [function] [call site] 00139
3 crc32 [function] [call site] 00140
3 crc32 [function] [call site] 00141
3 crc32 [function] [call site] 00142
3 crc32 [function] [call site] 00143
3 crc32 [function] [call site] 00144
3 crc32 [function] [call site] 00145
3 crc32 [function] [call site] 00146
3 adler32 [function] [call site] 00147
3 inflate_fixed [function] [call site] 00148
3 inflate_table [function] [call site] 00149
3 inflate_table [function] [call site] 00150
3 inflate_table [function] [call site] 00151
3 inflate_fast [function] [call site] 00152
3 crc32 [function] [call site] 00153
3 adler32 [function] [call site] 00154
3 updatewindow [function] [call site] 00155
3 crc32 [function] [call site] 00156
3 adler32 [function] [call site] 00157
2 fprintf [call site] 00158
2 inflateSetDictionary [function] [call site] 00159
3 inflateStateCheck [function] [call site] 00160
3 adler32 [function] [call site] 00161
3 adler32 [function] [call site] 00162
3 updatewindow [function] [call site] 00163
2 fprintf [call site] 00164
2 inflateEnd [function] [call site] 00165
3 inflateStateCheck [function] [call site] 00166
2 fprintf [call site] 00167
2 memcmp [call site] 00168
2 fprintf [call site] 00169