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 67 ndpi_encode_domain call site: {node_id}
2 1 LLVMFuzzerTestOneInput call site: {node_id} set_ndpi_debug_function
2 5 ndpi_load_domain_suffixes call site: {node_id} ndpi_hash_free
2 25 ndpi_hash_add_entry call site: {node_id} ndpi_free
2 73 ndpi_domain_classify_add call site: {node_id} ndpi_hash_add_entry
2 99 ndpi_domain_classify_hostname call site: {node_id} ndpi_hash_find_entry
1 9 ndpi_hash_free call site: {node_id}
1 12 ndpi_load_domain_suffixes call site: {node_id}
1 20 ndpi_hash_add_entry call site: {node_id}
1 28 ndpi_load_domain_suffixes call site: {node_id}
1 39 ndpi_domain_classify_alloc call site: {node_id} ndpi_free
1 55 ndpi_get_host_domain_suffix call site: {node_id}

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] 00032
2 fuzz_set_alloc_callbacks [function] [call site] 00033
3 set_ndpi_malloc [function] [call site] 00034
3 set_ndpi_free [function] [call site] 00035
2 fuzz_set_alloc_seed [function] [call site] 00036
1 ndpi_domain_classify_alloc [function] [call site] 00037
2 ndpi_malloc [function] [call site] 00038
2 ndpi_hash_init [function] [call site] 00039
2 ndpi_free [function] [call site] 00040
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00041
1 FuzzedDataProvider::ConsumeBytesAsString [function] [call site] 00042
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00043
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00044
1 ndpi_domain_classify_add [function] [call site] 00045
2 ndpi_encode_domain [function] [call site] 00046
2 ndpi_hash_add_entry [function] [call site] 00071
2 ndpi_hash_add_entry [function] [call site] 00072
2 ndpi_hash_add_entry [function] [call site] 00074
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00076
1 std::string::c_str [function] [call site] 00077
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00078
1 ndpi_domain_classify_add_domains [function] [call site] 00079
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00085
1 ndpi_get_num_internal_protocols [function] [call site] 00086
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00087
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00088
1 FuzzedDataProvider::ConsumeBytesAsString [function] [call site] 00089
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00090
1 ndpi_domain_classify_hostname [function] [call site] 00091
2 ndpi_encode_domain [function] [call site] 00096
2 ndpi_hash_find_entry [function] [call site] 00097
2 ndpi_hash_find_entry [function] [call site] 00098
2 ndpi_hash_find_entry [function] [call site] 00100
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00103
1 std::string::c_str [function] [call site] 00104
1 ndpi_domain_classify_hostname [function] [call site] 00105
1 ndpi_domain_classify_size [function] [call site] 00107
1 ndpi_domain_classify_free [function] [call site] 00108
2 ndpi_hash_free [function] [call site] 00109
2 ndpi_free [function] [call site] 00110