Fuzz introspector: fuzz_ds_domain_classify
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
3 79 ndpi_encode_domain call site: 00079 fprintf
2 1 LLVMFuzzerTestOneInput call site: 00001 set_ndpi_debug_function
2 85 ndpi_domain_classify_add call site: 00085 ndpi_hash_add_entry
2 110 ndpi_domain_classify_hostname call site: 00110 ndpi_hash_find_entry
2 128 ndpi_domain_classify_hostname call site: 00128 ndpi_hash_find_entry
1 5 ndpi_load_domain_suffixes call site: 00005 ndpi_hash_free
1 8 ndpi_hash_free call site: 00008
1 13 ndpi_hash_init call site: 00013
1 21 ndpi_hash_add_entry call site: 00021
1 29 ndpi_load_domain_suffixes call site: 00029 NDPI_LOG_ERR
1 56 ndpi_get_host_domain_suffix call site: 00056

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 set_ndpi_debug_function [function] [call site] 00003
1 fuzz_set_alloc_callbacks_and_seed [function] [call site] 00033
2 fuzz_set_alloc_callbacks [function] [call site] 00034
3 set_ndpi_malloc [function] [call site] 00035
3 set_ndpi_free [function] [call site] 00036
2 fuzz_set_alloc_seed [function] [call site] 00037
1 ndpi_domain_classify_alloc [function] [call site] 00038
2 ndpi_malloc [function] [call site] 00039
2 ndpi_hash_init [function] [call site] 00040
2 ndpi_free [function] [call site] 00041
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00042
1 FuzzedDataProvider::ConsumeBytesAsString [function] [call site] 00043
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00044
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00045
1 ndpi_domain_classify_add [function] [call site] 00046
2 ndpi_encode_domain [function] [call site] 00047
3 ndpi_domain_mapper_init [function] [call site] 00048
3 ndpi_get_host_domain_suffix [function] [call site] 00052
4 ndpi_hash_find_entry [function] [call site] 00054
5 HASH_FIND [function] [call site] 00055
3 ndpi_compress_str [function] [call site] 00064
4 shoco_compress [function] [call site] 00065
5 find_best_encoding [function] [call site] 00066
6 check_indices [function] [call site] 00067
7 _mm_setzero_si128 [function] [call site] 00068
7 _mm_load_si128 [function] [call site] 00069
7 _mm_load_si128 [function] [call site] 00070
7 _mm_cmpgt_epi16 [function] [call site] 00071
7 _mm_cmpgt_epi16 [function] [call site] 00072
7 _mm_and_si128 [function] [call site] 00073
7 _mm_movemask_epi8 [function] [call site] 00074
2 ndpi_hash_add_entry [function] [call site] 00083
2 ndpi_hash_add_entry [function] [call site] 00084
2 ndpi_hash_add_entry [function] [call site] 00086
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00088
1 std::string::c_str [function] [call site] 00089
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00090
1 ndpi_domain_classify_add_domains [function] [call site] 00091
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00097
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00098
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00099
1 FuzzedDataProvider::ConsumeBytesAsString [function] [call site] 00100
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00101
1 ndpi_domain_classify_hostname [function] [call site] 00102
2 ndpi_encode_domain [function] [call site] 00107
2 ndpi_hash_find_entry [function] [call site] 00108
2 ndpi_hash_find_entry [function] [call site] 00109
2 ndpi_hash_find_entry [function] [call site] 00111
2 ndpi_get_host_domain [function] [call site] 00115
2 ndpi_encode_domain [function] [call site] 00127
2 ndpi_hash_find_entry [function] [call site] 00128
2 ndpi_hash_find_entry [function] [call site] 00129
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00131
1 std::string::c_str [function] [call site] 00132
1 ndpi_domain_classify_hostname [function] [call site] 00133
1 ndpi_domain_classify_size [function] [call site] 00135
1 ndpi_domain_classify_free [function] [call site] 00136
2 ndpi_hash_free [function] [call site] 00137
2 ndpi_free [function] [call site] 00138