Fuzz introspector: read_graphdb
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
14 13 handle_input_error call site: 00013 igraph_error
10 141 igraph_add_vertices call site: 00141 igraph_vector_int_resize
4 34 igraph_read_graph_graphdb call site: 00034 igraph_fatalf
4 235 igraph_add_edges call site: 00235 igraph_vector_int_resize
3 154 igraph_i_property_cache_invalidate_conditionally call site: 00154 igraph_i_property_cache_get_bool
2 121 igraph_empty_attrs call site: 00121 igraph_error
2 159 igraph_empty_attrs call site: 00159 igraph_fatalf
2 173 igraph_create call site: 00173 igraph_add_vertices
2 192 igraph_add_edges call site: 00192 igraph_vector_int_push_back
1 58 igraph_vector_int_size call site: 00058 igraph_error
1 76 igraph_create call site: 00076 igraph_error
1 80 igraph_vector_int_isininterval call site: 00080 igraph_error

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 igraph_set_error_handler [function] [call site] 00001
1 igraph_error_handler_ignore [function] [call site] 00002
2 IGRAPH_FINALLY_FREE [function] [call site] 00003
1 igraph_set_warning_handler [function] [call site] 00004
1 igraph_warning_handler_ignore [function] [call site] 00005
1 fmemopen [call site] 00006
1 igraph_read_graph_graphdb [function] [call site] 00007
2 igraph_i_read_graph_graphdb_getword [function] [call site] 00008
3 fgetc [call site] 00009
3 fgetc [call site] 00010
2 handle_input_error [function] [call site] 00011
3 feof [call site] 00012
3 igraph_error [function] [call site] 00013
4 igraph_error_handler_abort [function] [call site] 00014
5 igraph_strerror [function] [call site] 00015
6 igraph_fatalf [function] [call site] 00016
7 vsnprintf [call site] 00017
7 igraph_fatal [function] [call site] 00018
8 igraph_fatal_handler_abort [function] [call site] 00019
9 fprintf [call site] 00020
9 igraph_abort [function] [call site] 00021
10 abort [call site] 00022
8 igraph_abort [function] [call site] 00023
6 igraph_fatal [function] [call site] 00024
5 fprintf [call site] 00025
5 igraph_abort [function] [call site] 00026
3 igraph_error [function] [call site] 00027
2 igraph_error [function] [call site] 00028
2 igraph_vector_int_init [function] [call site] 00029
3 igraph_fatal [function] [call site] 00030
3 calloc [call site] 00031
3 igraph_error [function] [call site] 00032
2 igraph_error [function] [call site] 00033
2 IGRAPH_FINALLY_REAL [function] [call site] 00034
3 igraph_i_reset_finally_stack [function] [call site] 00035
3 igraph_fatalf [function] [call site] 00036
3 igraph_i_reset_finally_stack [function] [call site] 00037
3 igraph_fatalf [function] [call site] 00038
2 igraph_vector_int_destroy [function] [call site] 00039
3 igraph_fatal [function] [call site] 00040
2 igraph_vector_int_clear [function] [call site] 00041
3 igraph_fatal [function] [call site] 00042
3 igraph_fatal [function] [call site] 00043
2 igraph_i_read_graph_graphdb_getword [function] [call site] 00044
2 handle_input_error [function] [call site] 00045
2 igraph_error [function] [call site] 00046
2 igraph_i_read_graph_graphdb_getword [function] [call site] 00047
2 handle_input_error [function] [call site] 00048
2 igraph_error [function] [call site] 00049
2 igraph_errorf [function] [call site] 00050
3 vsnprintf [call site] 00051
3 igraph_error [function] [call site] 00052
2 igraph_vector_int_push_back [function] [call site] 00053
3 igraph_fatal [function] [call site] 00054
3 igraph_fatal [function] [call site] 00055
3 igraph_vector_int_size [function] [call site] 00056
4 igraph_fatal [function] [call site] 00057
4 igraph_fatal [function] [call site] 00058
3 igraph_error [function] [call site] 00059
3 igraph_vector_int_reserve [function] [call site] 00060
4 igraph_fatal [function] [call site] 00061
4 igraph_fatal [function] [call site] 00062
4 igraph_fatal [function] [call site] 00063
4 igraph_vector_int_capacity [function] [call site] 00064
4 realloc [call site] 00065
4 igraph_error [function] [call site] 00066
3 igraph_error [function] [call site] 00067
2 igraph_error [function] [call site] 00068
2 igraph_vector_int_push_back [function] [call site] 00069
2 igraph_error [function] [call site] 00070
2 igraph_allow_interruption [function] [call site] 00071
2 fgetc [call site] 00072
2 igraph_error [function] [call site] 00073
2 igraph_create [function] [call site] 00074
3 igraph_vector_int_size [function] [call site] 00075
3 igraph_vector_int_size [function] [call site] 00076
3 igraph_error [function] [call site] 00077
3 igraph_vector_int_isininterval [function] [call site] 00078
4 igraph_fatal [function] [call site] 00079
4 igraph_fatal [function] [call site] 00080
3 igraph_error [function] [call site] 00081
3 igraph_vector_int_max [function] [call site] 00082
4 igraph_vector_int_empty [function] [call site] 00083
5 igraph_fatal [function] [call site] 00084
5 igraph_fatal [function] [call site] 00085
4 igraph_fatal [function] [call site] 00086
3 igraph_empty [function] [call site] 00087
4 igraph_empty_attrs [function] [call site] 00088
5 igraph_error [function] [call site] 00089
5 igraph_vector_int_init [function] [call site] 00090
5 igraph_error [function] [call site] 00091
5 IGRAPH_FINALLY_REAL [function] [call site] 00092
5 igraph_vector_int_destroy [function] [call site] 00093
5 igraph_vector_int_init [function] [call site] 00094
5 igraph_error [function] [call site] 00095
5 IGRAPH_FINALLY_REAL [function] [call site] 00096
5 igraph_vector_int_destroy [function] [call site] 00097
5 igraph_vector_int_init [function] [call site] 00098
5 IGRAPH_FINALLY_REAL [function] [call site] 00099
5 igraph_vector_int_destroy [function] [call site] 00100
5 igraph_vector_int_init [function] [call site] 00101
5 igraph_error [function] [call site] 00102
5 IGRAPH_FINALLY_REAL [function] [call site] 00103
5 igraph_vector_int_destroy [function] [call site] 00104
5 igraph_vector_int_init [function] [call site] 00105
5 igraph_error [function] [call site] 00106
5 IGRAPH_FINALLY_REAL [function] [call site] 00107
5 igraph_vector_int_destroy [function] [call site] 00108
5 igraph_vector_int_init [function] [call site] 00109
5 igraph_error [function] [call site] 00110
5 IGRAPH_FINALLY_REAL [function] [call site] 00111
5 igraph_vector_int_destroy [function] [call site] 00112
5 calloc [call site] 00113
5 igraph_error [function] [call site] 00114
5 IGRAPH_FINALLY_REAL [function] [call site] 00115
5 igraph_free [function] [call site] 00116
5 igraph_i_property_cache_init [function] [call site] 00117
5 igraph_error [function] [call site] 00118
5 IGRAPH_FINALLY_REAL [function] [call site] 00119
5 igraph_i_property_cache_destroy [function] [call site] 00120
5 igraph_i_attribute_init [function] [call site] 00121
6 igraph_error [function] [call site] 00122
6 igraph_error [function] [call site] 00123
5 igraph_error [function] [call site] 00124
5 igraph_add_vertices [function] [call site] 00125
6 igraph_ecount [function] [call site] 00126
7 igraph_vector_int_size [function] [call site] 00127
6 igraph_vcount [function] [call site] 00128
6 igraph_error [function] [call site] 00129
6 igraph_errorf [function] [call site] 00130
6 igraph_errorf [function] [call site] 00131
6 igraph_vector_int_reserve [function] [call site] 00132
6 igraph_error [function] [call site] 00133
6 igraph_vector_int_reserve [function] [call site] 00134
6 igraph_error [function] [call site] 00135
6 igraph_vector_int_resize [function] [call site] 00136
7 igraph_fatal [function] [call site] 00137
7 igraph_fatal [function] [call site] 00138
7 igraph_vector_int_reserve [function] [call site] 00139
7 igraph_error [function] [call site] 00140
6 igraph_vector_int_resize [function] [call site] 00141
6 IGRAPH_FINALLY_ENTER [function] [call site] 00142
7 igraph_i_reset_finally_stack [function] [call site] 00143
7 igraph_fatal [function] [call site] 00144
6 igraph_i_attribute_add_vertices [function] [call site] 00145
6 igraph_vector_int_resize [function] [call site] 00146
6 igraph_vector_int_resize [function] [call site] 00147
6 IGRAPH_FINALLY_EXIT [function] [call site] 00148
7 igraph_i_reset_finally_stack [function] [call site] 00149
7 igraph_fatal [function] [call site] 00150
6 igraph_error [function] [call site] 00151
6 igraph_vcount [function] [call site] 00152
6 igraph_i_property_cache_invalidate_conditionally [function] [call site] 00153
7 __assert_fail [call site] 00154
7 igraph_i_property_cache_get_bool [function] [call site] 00155
8 igraph_fatal [function] [call site] 00156
8 __assert_fail [call site] 00157
5 igraph_error [function] [call site] 00158
5 IGRAPH_FINALLY_CLEAN [function] [call site] 00159
6 igraph_i_reset_finally_stack [function] [call site] 00160
6 igraph_fatalf [function] [call site] 00161
3 igraph_error [function] [call site] 00162
3 IGRAPH_FINALLY_REAL [function] [call site] 00163
3 igraph_destroy [function] [call site] 00164
4 igraph_i_attribute_destroy [function] [call site] 00165
4 igraph_i_property_cache_destroy [function] [call site] 00166
4 igraph_vector_int_destroy [function] [call site] 00167
4 igraph_vector_int_destroy [function] [call site] 00168
4 igraph_vector_int_destroy [function] [call site] 00169
4 igraph_vector_int_destroy [function] [call site] 00170
4 igraph_vector_int_destroy [function] [call site] 00171
4 igraph_vector_int_destroy [function] [call site] 00172
3 igraph_vcount [function] [call site] 00173
3 igraph_add_vertices [function] [call site] 00174
3 igraph_error [function] [call site] 00175
3 igraph_add_edges [function] [call site] 00176
4 igraph_vector_int_size [function] [call site] 00177
4 igraph_vector_int_size [function] [call site] 00178
4 igraph_is_directed [function] [call site] 00179
4 igraph_vector_int_size [function] [call site] 00180
4 igraph_error [function] [call site] 00181
4 igraph_vcount [function] [call site] 00182
4 igraph_vector_int_isininterval [function] [call site] 00183
4 igraph_error [function] [call site] 00184
4 igraph_errorf [function] [call site] 00185
4 igraph_errorf [function] [call site] 00186
4 igraph_vector_int_reserve [function] [call site] 00187
4 igraph_error [function] [call site] 00188
4 igraph_vector_int_reserve [function] [call site] 00189
4 igraph_error [function] [call site] 00190
4 igraph_vector_int_push_back [function] [call site] 00191
4 igraph_vector_int_push_back [function] [call site] 00192
4 igraph_vector_int_push_back [function] [call site] 00193
4 igraph_vector_int_push_back [function] [call site] 00194
4 IGRAPH_FINALLY_ENTER [function] [call site] 00195
4 igraph_vector_int_init [function] [call site] 00196
4 igraph_vector_int_resize [function] [call site] 00197
4 IGRAPH_FINALLY_EXIT [function] [call site] 00198
4 igraph_error [function] [call site] 00199
4 IGRAPH_FINALLY_REAL [function] [call site] 00200
4 igraph_vector_int_destroy [function] [call site] 00201
4 igraph_vector_int_init [function] [call site] 00202
4 igraph_vector_int_resize [function] [call site] 00203
4 IGRAPH_FINALLY_EXIT [function] [call site] 00204
4 igraph_error [function] [call site] 00205
4 IGRAPH_FINALLY_REAL [function] [call site] 00206
4 igraph_vector_int_destroy [function] [call site] 00207
4 igraph_vector_int_pair_order [function] [call site] 00208
5 igraph_vector_int_size [function] [call site] 00209
5 igraph_fatal [function] [call site] 00210
5 igraph_fatal [function] [call site] 00211
5 igraph_vector_int_init [function] [call site] 00212
5 igraph_error [function] [call site] 00213
5 IGRAPH_FINALLY_REAL [function] [call site] 00214
5 igraph_vector_int_destroy [function] [call site] 00215
5 igraph_vector_int_init [function] [call site] 00216
5 IGRAPH_FINALLY_REAL [function] [call site] 00217
5 igraph_vector_int_destroy [function] [call site] 00218
5 igraph_vector_int_resize [function] [call site] 00219
5 igraph_vector_int_null [function] [call site] 00220
6 igraph_fatal [function] [call site] 00221
6 igraph_fatal [function] [call site] 00222
6 igraph_vector_int_size [function] [call site] 00223
6 igraph_vector_int_size [function] [call site] 00224
5 igraph_vector_int_null [function] [call site] 00225
5 igraph_vector_int_destroy [function] [call site] 00226
5 igraph_vector_int_destroy [function] [call site] 00227
5 IGRAPH_FINALLY_CLEAN [function] [call site] 00228
4 igraph_vector_int_resize [function] [call site] 00229
4 IGRAPH_FINALLY_EXIT [function] [call site] 00230
4 igraph_error [function] [call site] 00231
4 igraph_vector_int_pair_order [function] [call site] 00232
4 igraph_vector_int_resize [function] [call site] 00233
4 IGRAPH_FINALLY_EXIT [function] [call site] 00234
4 igraph_error [function] [call site] 00235
4 igraph_i_attribute_add_edges [function] [call site] 00236
4 igraph_vector_int_resize [function] [call site] 00237
4 IGRAPH_FINALLY_EXIT [function] [call site] 00238
4 igraph_error [function] [call site] 00239
4 igraph_i_create_start_vectors [function] [call site] 00240
5 igraph_vector_int_size [function] [call site] 00241
5 igraph_vector_int_resize [function] [call site] 00242
5 igraph_error [function] [call site] 00243
5 igraph_vector_int_null [function] [call site] 00244
4 igraph_i_create_start_vectors [function] [call site] 00245
4 igraph_vector_int_destroy [function] [call site] 00246
4 igraph_vector_int_destroy [function] [call site] 00247
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00248
4 IGRAPH_FINALLY_EXIT [function] [call site] 00249
4 igraph_i_property_cache_invalidate_conditionally [function] [call site] 00250
3 igraph_error [function] [call site] 00251
3 IGRAPH_FINALLY_CLEAN [function] [call site] 00252
2 igraph_error [function] [call site] 00253
2 igraph_vector_int_destroy [function] [call site] 00254
2 IGRAPH_FINALLY_CLEAN [function] [call site] 00255
1 igraph_destroy [function] [call site] 00256
1 fclose [call site] 00257
1 IGRAPH_FINALLY_STACK_SIZE [function] [call site] 00258
1 igraph_fatal [function] [call site] 00259