Fuzz introspector: fuzzer_compress
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 1 LLVMFuzzerTestOneInput call site: 00001 insert_knuth_head
5 26 insert_knuth call site: 00026 UNLIKELY
2 37 check_compress_level call site: 00037
1 18 insert_knuth_head call site: 00018
1 20 insert_knuth_head call site: 00020 insert_knuth

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 PREFIX [function] [call site] 00001
2 PREFIX3 [function] [call site] 00002
2 Assert [function] [call site] 00003
2 MAX_DIST [function] [call site] 00004
2 W_MASK [function] [call site] 00005
2 memcpy [function] [call site] 00006
2 HASHLESS [function] [call site] 00007
2 FUNCTABLE_CALL [function] [call site] 00008
2 FUNCTABLE_CALL [function] [call site] 00009
2 Assert [function] [call site] 00010
2 read_buf [function] [call site] 00011
2 HASHLESS [function] [call site] 00012
2 UNLIKELY [function] [call site] 00013
2 update_hash_roll [function] [call site] 00014
3 UPDATE_HASH_ROLL [function] [call site] 00015
2 insert_knuth_head [function] [call site] 00016
3 Z_U32_FROM_LE [function] [call site] 00017
3 zng_memread_4 [function] [call site] 00018
4 memcpy [function] [call site] 00019
3 UPDATE_HASH_KNUTH [function] [call site] 00020
2 insert_knuth [function] [call site] 00021
3 Z_U32_FROM_LE [function] [call site] 00022
3 zng_memread_4 [function] [call site] 00023
3 UPDATE_HASH_KNUTH [function] [call site] 00024
3 LIKELY [function] [call site] 00025
3 W_MASK [function] [call site] 00026
2 UNLIKELY [function] [call site] 00027
2 insert_batch [function] [call site] 00028
2 memset [function] [call site] 00029
2 memset [function] [call site] 00030
2 Assert [function] [call site] 00031
1 calloc [function] [call site] 00032
1 calloc [function] [call site] 00033
1 check_compress_level [function] [call site] 00034
2 PREFIX [function] [call site] 00035
2 PREFIX [function] [call site] 00036
2 assert [function] [call site] 00037
2 assert [function] [call site] 00038
2 memcmp [function] [call site] 00039
1 check_compress_level [function] [call site] 00040
1 check_compress_level [function] [call site] 00041
1 check_compress_level [function] [call site] 00042
1 check_decompress [function] [call site] 00043
2 malloc [function] [call site] 00044
2 memcpy [function] [call site] 00045
2 write_zlib_header [function] [call site] 00046
3 put_byte [function] [call site] 00047
3 put_byte [function] [call site] 00048
2 PREFIX [function] [call site] 00049
2 free [function] [call site] 00050
1 free [function] [call site] 00051
1 free [function] [call site] 00052