Fuzz introspector: fuzz_ds_ahocorasick
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
2 52 xmemchr call site: 00052 DETECTNULL
2 182 ac_automata_release call site: 00182 acho_free
1 9 ac_automata_init call site: 00009
1 13 ac_automata_init call site: 00013
1 16 LLVMFuzzerTestOneInput call site: 00016 ac_automata_init
1 37 ndpi_strdup call site: 00037
1 57 xmemchr call site: 00057
1 88 node_resize_mp call site: 00088
1 95 LLVMFuzzerTestOneInput call site: 00095
1 111 ac_automata_walk call site: 00111
1 123 LLVMFuzzerTestOneInput call site: 00123 printf
1 128 node_findbs_next call site: 00128 node_findbs_next

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 FuzzedDataProvider::remaining_bytes [function] [call site] 00001
1 fuzz_set_alloc_callbacks_and_seed [function] [call site] 00002
2 fuzz_set_alloc_callbacks [function] [call site] 00003
3 ndpi_set_memory_alloction_functions [function] [call site] 00004
2 fuzz_set_alloc_seed [function] [call site] 00005
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00006
1 ac_automata_enable_debug [function] [call site] 00007
1 ac_automata_init [function] [call site] 00008
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00015
1 ndpi_init_automa [function] [call site] 00016
2 ac_automata_init [function] [call site] 00017
1 ndpi_init_automa_domain [function] [call site] 00018
2 ac_automata_init [function] [call site] 00019
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00020
1 ac_automata_feature [function] [call site] 00021
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00022
1 ac_automata_feature [function] [call site] 00023
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00024
1 ac_automata_feature [function] [call site] 00025
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00026
1 ac_automata_name [function] [call site] 00027
1 FuzzedDataProvider::ConsumeRandomLengthString [function] [call site] 00029
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00030
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00031
1 FuzzedDataProvider::ConsumeRandomLengthString [function] [call site] 00032
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00033
1 std::string::c_str [function] [call site] 00040
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00042
1 FuzzedDataProvider::ConsumeIntegralInRange [function] [call site] 00043
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00044
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00045
1 ac_automata_add [function] [call site] 00048
2 node_create_next [function] [call site] 00059
3 node_find_next [function] [call site] 00060
3 node_create [function] [call site] 00061
3 node_register_outgoing [function] [call site] 00062
4 node_resize_outgoing [function] [call site] 00063
5 acho_calloc [function] [call site] 00064
5 edge_data_size [function] [call site] 00065
5 edge_data_size [function] [call site] 00066
5 acho_calloc [function] [call site] 00067
5 edge_get_alpha [function] [call site] 00070
5 edge_get_alpha [function] [call site] 00071
5 acho_free [function] [call site] 00072
4 edge_get_alpha [function] [call site] 00073
4 node_resize_outgoing [function] [call site] 00074
4 edge_get_alpha [function] [call site] 00075
3 node_release [function] [call site] 00076
4 node_release_pattern [function] [call site] 00077
5 acho_free [function] [call site] 00078
4 acho_free [function] [call site] 00079
4 acho_free [function] [call site] 00080
4 acho_free [function] [call site] 00081
2 node_register_matchstr [function] [call site] 00082
3 node_has_matchstr [function] [call site] 00083
3 node_resize_mp [function] [call site] 00085
4 acho_calloc [function] [call site] 00086
4 mp_data_size [function] [call site] 00087
4 mp_data_size [function] [call site] 00090
4 mp_data_size [function] [call site] 00092
4 acho_free [function] [call site] 00093
3 node_resize_mp [function] [call site] 00094
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00097
1 ndpi_strdup [function] [call site] 00098
1 ndpi_strdup [function] [call site] 00099
1 std::string::c_str [function] [call site] 00100
1 ndpi_add_string_to_automa [function] [call site] 00101
2 ndpi_add_string_value_to_automa [function] [call site] 00102
1 ndpi_free [function] [call site] 00106
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00107
1 ac_automata_finalize [function] [call site] 00108
2 ac_automata_traverse_setfailure [function] [call site] 00109
3 ac_automata_walk [function] [call site] 00110
2 ac_automata_walk [function] [call site] 00115
1 ndpi_finalize_automa [function] [call site] 00116
2 ac_automata_finalize [function] [call site] 00117
1 FuzzedDataProvider::ConsumeIntegral [function] [call site] 00118
1 FuzzedDataProvider::ConsumeRandomLengthString [function] [call site] 00119
1 ndpi_strdup [function] [call site] 00120
1 std::string::c_str [function] [call site] 00121
1 ac_automata_search [function] [call site] 00123
2 node_findbs_next_ac [function] [call site] 00126
3 node_findbs_next [function] [call site] 00127
3 node_findbs_next [function] [call site] 00129
2 ac_automata_exact_match [function] [call site] 00130
2 ac_domain_match_handler [function] [call site] 00134
3 MATCH_DEBUG_INFO [function] [call site] 00135
3 MATCH_DEBUG_INFO [function] [call site] 00136
3 ndpi_is_middle_string_char [function] [call site] 00137
3 MATCH_DEBUG_INFO [function] [call site] 00138
3 MATCH_DEBUG_INFO [function] [call site] 00139
3 ndpi_is_middle_string_char [function] [call site] 00140
3 MATCH_DEBUG_INFO [function] [call site] 00141
1 ndpi_free [function] [call site] 00143
1 ndpi_match_string [function] [call site] 00144
2 ndpi_match_string_common [function] [call site] 00145
3 ac_automata_search [function] [call site] 00147
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00149
1 std::string::c_str [function] [call site] 00150
1 ndpi_match_string_value [function] [call site] 00151
2 ndpi_match_string_common [function] [call site] 00152
1 FuzzedDataProvider::ConsumeBool [function] [call site] 00153
1 std::string::c_str [function] [call site] 00154
1 std::string::c_str [function] [call site] 00156
1 ndpi_match_string_protocol_id [function] [call site] 00157
2 ndpi_match_string_common [function] [call site] 00158
1 std::string::c_str [function] [call site] 00159
1 std::string::c_str [function] [call site] 00161
1 ac_automata_search [function] [call site] 00163
1 ndpi_match_string [function] [call site] 00164
1 ndpi_match_string_value [function] [call site] 00165
1 ndpi_match_string_protocol_id [function] [call site] 00167
1 ndpi_free [function] [call site] 00169
1 ac_automata_dump [function] [call site] 00170
1 ac_automata_get_stats [function] [call site] 00178
1 ac_automata_release [function] [call site] 00179
2 ac_automata_walk [function] [call site] 00180
2 node_release [function] [call site] 00181
2 acho_free [function] [call site] 00182
2 acho_free [function] [call site] 00183
2 acho_free [function] [call site] 00184
1 ndpi_free_automa [function] [call site] 00185
2 ac_automata_release [function] [call site] 00186