Fuzz introspector: inspector/light/source_filescompress_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 43 deflate call site: 00043 crc32
8 130 inflate call site: 00130 crc32
7 20 crc32_z call site: 00020 byte_swap
4 64 read_buf call site: 00064 read_buf
3 2 compressBound call site: 00002 check_compress_level
3 105 deflate_rle call site: 00105 _tr_flush_block
2 97 deflate_huff call site: 00097 _tr_flush_block
2 109 _tr_align call site: 00109 flush_pending
2 127 inflate call site: 00127 crc32
2 147 inflate call site: 00147 crc32
1 0 EP call site: 00000 compressBound
1 8 deflateInit_ call site: 00008 deflateEnd

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 compressBound [function] [call site] 00001
2 compressBound_z [function] [call site] 00002
1 calloc [call site] 00003
1 calloc [call site] 00004
1 check_compress_level [function] [call site] 00005
2 compress2 [function] [call site] 00006
3 deflateInit_ [function] [call site] 00007
4 deflateInit2_ [function] [call site] 00008
5 deflateEnd [function] [call site] 00009
6 deflateStateCheck [function] [call site] 00010
5 deflateReset [function] [call site] 00011
6 deflateResetKeep [function] [call site] 00012
7 deflateStateCheck [function] [call site] 00013
7 _tr_init [function] [call site] 00030
8 tr_static_init [function] [call site] 00031
8 init_block [function] [call site] 00032
3 deflate [function] [call site] 00034
4 deflateStateCheck [function] [call site] 00035
4 flush_pending [function] [call site] 00036
5 _tr_flush_bits [function] [call site] 00037
4 putShortMSB [function] [call site] 00039
4 putShortMSB [function] [call site] 00040
4 putShortMSB [function] [call site] 00041
4 flush_pending [function] [call site] 00043
4 flush_pending [function] [call site] 00045
4 flush_pending [function] [call site] 00048
4 flush_pending [function] [call site] 00051
4 flush_pending [function] [call site] 00054
4 flush_pending [function] [call site] 00056
4 flush_pending [function] [call site] 00058
4 deflate_stored [function] [call site] 00059
5 _tr_stored_block [function] [call site] 00060
6 bi_windup [function] [call site] 00061
5 flush_pending [function] [call site] 00062
5 _tr_stored_block [function] [call site] 00067
5 flush_pending [function] [call site] 00068
4 deflate_huff [function] [call site] 00069
5 fill_window [function] [call site] 00070
5 _tr_flush_block [function] [call site] 00073
6 detect_data_type [function] [call site] 00074
6 build_tree [function] [call site] 00075
7 pqdownheap [function] [call site] 00076
7 pqdownheap [function] [call site] 00077
7 pqdownheap [function] [call site] 00078
7 gen_bitlen [function] [call site] 00079
7 gen_codes [function] [call site] 00080
8 bi_reverse [function] [call site] 00081
6 build_tree [function] [call site] 00082
6 build_bl_tree [function] [call site] 00083
7 scan_tree [function] [call site] 00084
7 scan_tree [function] [call site] 00085
7 build_tree [function] [call site] 00086
6 _tr_stored_block [function] [call site] 00087
6 compress_block [function] [call site] 00088
6 send_all_trees [function] [call site] 00089
6 compress_block [function] [call site] 00092
6 init_block [function] [call site] 00093
6 bi_windup [function] [call site] 00094
5 flush_pending [function] [call site] 00095
5 _tr_flush_block [function] [call site] 00096
5 flush_pending [function] [call site] 00097
5 _tr_flush_block [function] [call site] 00098
5 flush_pending [function] [call site] 00099
4 deflate_rle [function] [call site] 00100
5 fill_window [function] [call site] 00101
5 _tr_flush_block [function] [call site] 00102
5 flush_pending [function] [call site] 00103
5 _tr_flush_block [function] [call site] 00104
5 flush_pending [function] [call site] 00105
5 _tr_flush_block [function] [call site] 00106
5 flush_pending [function] [call site] 00107
4 _tr_stored_block [function] [call site] 00110
4 flush_pending [function] [call site] 00111
4 putShortMSB [function] [call site] 00112
4 putShortMSB [function] [call site] 00113
4 flush_pending [function] [call site] 00114
3 deflateEnd [function] [call site] 00115
2 uncompress [function] [call site] 00116
3 uncompress2 [function] [call site] 00117
4 inflateInit_ [function] [call site] 00118
5 inflateInit2_ [function] [call site] 00119
6 inflateReset2 [function] [call site] 00120
7 inflateStateCheck [function] [call site] 00121
7 inflateReset [function] [call site] 00122
8 inflateStateCheck [function] [call site] 00123
8 inflateResetKeep [function] [call site] 00124
9 inflateStateCheck [function] [call site] 00125
4 inflateEnd [function] [call site] 00150
5 inflateStateCheck [function] [call site] 00151
2 __assert_fail [call site] 00152
2 memcmp [call site] 00153
2 __assert_fail [call site] 00154
1 check_decompress [function] [call site] 00155
2 write_zlib_header [function] [call site] 00156
2 uncompress [function] [call site] 00157