Fuzz introspector: fuzz_ds_ptree
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 66 ndpi_patricia_search_best2 call site: {node_id}
6 107 ndpi_patricia_lookup call site: {node_id}
6 120 ndpi_patricia_lookup call site: {node_id}
4 61 ndpi_patricia_search_best2 call site: {node_id}
2 21 ndpi_DeleteEntry call site: {node_id}
2 85 ndpi_patricia_search_best2 call site: {node_id}
2 88 ndpi_ptree_insert call site: {node_id}
2 100 ndpi_New_Prefix2 call site: {node_id} ndpi_calloc
2 103 ndpi_patricia_lookup call site: {node_id}
2 115 ndpi_patricia_lookup call site: {node_id}
2 127 ndpi_patricia_lookup call site: {node_id}
2 136 ndpi_patricia_lookup call site: {node_id}

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_set_alloc_callbacks_and_seed [function] [call site] 00001
2 fuzz_set_alloc_callbacks [function] [call site] 00002
3 set_ndpi_malloc [function] [call site] 00003
3 set_ndpi_free [function] [call site] 00004
2 fuzz_set_alloc_seed [function] [call site] 00005
1 ndpi_ptree_create [function] [call site] 00006
2 ndpi_patricia_new [function] [call site] 00009
2 ndpi_patricia_new [function] [call site] 00013
2 ndpi_ptree_destroy [function] [call site] 00014
3 ndpi_patricia_destroy [function] [call site] 00015
4 ndpi_Clear_Patricia [function] [call site] 00016
4 ndpi_DeleteEntry [function] [call site] 00027
3 ndpi_patricia_destroy [function] [call site] 00028
3 ndpi_free [function] [call site] 00029
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00030
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00031
1 FuzzedDataProvider::remaining_bytes [function] [call site] 00032
1 FuzzedDataProvider::ConsumeBytes [function] [call site] 00034
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00035
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00037
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00038
1 ndpi_parse_ip_string [function] [call site] 00039
1 ndpi_get_ip_string [function] [call site] 00044
2 ndpi_is_ipv6 [function] [call site] 00045
2 inet_ntop [function] [call site] 00046
1 ndpi_ptree_insert [function] [call site] 00050
2 ndpi_is_ipv6 [function] [call site] 00051
2 ndpi_fill_prefix_v6 [function] [call site] 00052
2 ndpi_fill_prefix_v4 [function] [call site] 00055
2 ndpi_patricia_search_best [function] [call site] 00057
3 ndpi_patricia_search_best2 [function] [call site] 00058
4 ndpi_prefix_touchar [function] [call site] 00061
4 ndpi_prefix_toa [function] [call site] 00063
5 ndpi_prefix_toa2 [function] [call site] 00064
6 ndpi_prefix_toa2x [function] [call site] 00065
4 ndpi_prefix_toa [function] [call site] 00068
4 ndpi_prefix_toa [function] [call site] 00071
4 ndpi_prefix_toa [function] [call site] 00074
4 ndpi_prefix_toa [function] [call site] 00075
4 ndpi_prefix_toa [function] [call site] 00078
4 ndpi_prefix_toa [function] [call site] 00081
4 ndpi_comp_with_mask [function] [call site] 00082
4 ndpi_prefix_tochar [function] [call site] 00084
4 ndpi_prefix_tochar [function] [call site] 00085
4 ndpi_prefix_toa [function] [call site] 00087
2 ndpi_patricia_lookup [function] [call site] 00088
3 ndpi_prefix_toa [function] [call site] 00090
3 ndpi_calloc [function] [call site] 00093
3 ndpi_Ref_Prefix [function] [call site] 00094
4 ndpi_New_Prefix2 [function] [call site] 00095
3 ndpi_free [function] [call site] 00103
3 ndpi_prefix_toa [function] [call site] 00105
3 ndpi_prefix_touchar [function] [call site] 00106
3 ndpi_prefix_toa [function] [call site] 00109
3 ndpi_prefix_toa [function] [call site] 00112
3 ndpi_prefix_toa [function] [call site] 00117
3 ndpi_prefix_touchar [function] [call site] 00118
3 ndpi_prefix_toa [function] [call site] 00123
3 ndpi_prefix_toa [function] [call site] 00126
3 ndpi_Ref_Prefix [function] [call site] 00127
3 ndpi_prefix_toa [function] [call site] 00129
3 ndpi_calloc [function] [call site] 00131
3 ndpi_Ref_Prefix [function] [call site] 00132
3 ndpi_free [function] [call site] 00133
3 ndpi_prefix_toa [function] [call site] 00138
3 ndpi_prefix_toa [function] [call site] 00142
3 ndpi_calloc [function] [call site] 00143
3 ndpi_Deref_Prefix [function] [call site] 00144
3 ndpi_DeleteEntry [function] [call site] 00145
3 ndpi_prefix_toa [function] [call site] 00149
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00150
1 ndpi_load_ptree_file [function] [call site] 00151
2 inet_addr [function] [call site] 00157
2 add_to_ptree [function] [call site] 00158
3 ndpi_fill_prefix_v4 [function] [call site] 00159
3 ndpi_fill_prefix_v6 [function] [call site] 00160
3 ndpi_patricia_lookup [function] [call site] 00161
2 inet_pton [function] [call site] 00163
2 add_to_ptree [function] [call site] 00164
1 ndpi_load_ptree_file [function] [call site] 00167
1 ndpi_load_ptree_file [function] [call site] 00168
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00169
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00170
1 FuzzedDataProvider::remaining_bytes [function] [call site] 00171
1 FuzzedDataProvider::ConsumeBytes [function] [call site] 00173
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00175
1 ndpi_ptree_match_addr [function] [call site] 00176
2 ndpi_is_ipv6 [function] [call site] 00177
2 ndpi_fill_prefix_v6 [function] [call site] 00178
2 ndpi_fill_prefix_v4 [function] [call site] 00179
2 ndpi_patricia_search_best [function] [call site] 00180
1 ndpi_ptree_match_addr [function] [call site] 00181
1 ndpi_ptree_destroy [function] [call site] 00182