Fuzz introspector: fuzzing/read_edgelist.cpp
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
354 0 EP call site: 00000 igraph_write_graph_edgelist

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 igraph_set_error_handler [function] [call site] 00001
1 igraph_set_warning_handler [function] [call site] 00002
1 igraph_read_graph_edgelist [function] [call site] 00004
2 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00005
2 IGRAPH_CHECK [function] [call site] 00006
2 igraph_vector_int_reserve [function] [call site] 00007
2 IGRAPH_ALLOW_INTERRUPTION [function] [call site] 00008
2 IGRAPH_CHECK [function] [call site] 00009
2 igraph_i_fskip_whitespace [function] [call site] 00010
2 IGRAPH_CHECK [function] [call site] 00017
2 igraph_i_fget_integer [function] [call site] 00018
3 IGRAPH_CHECK [function] [call site] 00019
3 igraph_i_fskip_whitespace [function] [call site] 00020
3 IGRAPH_ERRORF [function] [call site] 00024
3 IGRAPH_ERROR [function] [call site] 00026
3 IGRAPH_ERROR [function] [call site] 00027
3 IGRAPH_CHECK [function] [call site] 00028
3 igraph_i_parse_integer [function] [call site] 00029
4 IGRAPH_ERROR [function] [call site] 00030
4 IGRAPH_CALLOC [function] [call site] 00031
4 IGRAPH_CHECK_OOM [function] [call site] 00032
4 IGRAPH_FREE [function] [call site] 00035
4 IGRAPH_ERROR [function] [call site] 00036
4 IGRAPH_ERRORF [function] [call site] 00037
2 IGRAPH_CHECK [function] [call site] 00038
2 igraph_i_fget_integer [function] [call site] 00039
2 IGRAPH_ERROR [function] [call site] 00040
2 IGRAPH_CHECK [function] [call site] 00041
2 igraph_vector_int_push_back [function] [call site] 00042
2 IGRAPH_CHECK [function] [call site] 00043
2 igraph_vector_int_push_back [function] [call site] 00044
2 IGRAPH_CHECK [function] [call site] 00045
2 igraph_create [function] [call site] 00046
3 igraph_vector_int_size [function] [call site] 00047
3 igraph_vector_int_size [function] [call site] 00048
3 IGRAPH_ERROR [function] [call site] 00049
3 igraph_vector_int_isininterval [function] [call site] 00050
3 IGRAPH_ERROR [function] [call site] 00051
3 igraph_vector_int_max [function] [call site] 00052
3 IGRAPH_CHECK [function] [call site] 00053
3 igraph_empty [function] [call site] 00054
4 igraph_empty_attrs [function] [call site] 00055
5 IGRAPH_ERROR [function] [call site] 00056
5 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00058
5 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00059
5 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00060
5 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00061
5 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00062
5 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00063
5 IGRAPH_CALLOC [function] [call site] 00064
5 IGRAPH_CHECK_OOM [function] [call site] 00065
5 IGRAPH_FINALLY [function] [call site] 00066
5 IGRAPH_CHECK [function] [call site] 00067
5 igraph_i_property_cache_init [function] [call site] 00068
6 IGRAPH_STATIC_ASSERT [function] [call site] 00069
5 IGRAPH_FINALLY [function] [call site] 00071
5 IGRAPH_CHECK [function] [call site] 00074
5 igraph_i_attribute_init [function] [call site] 00075
6 IGRAPH_CHECK [function] [call site] 00076
6 IGRAPH_ERROR [function] [call site] 00078
5 IGRAPH_CHECK [function] [call site] 00079
5 igraph_add_vertices [function] [call site] 00080
6 igraph_ecount [function] [call site] 00081
7 igraph_vector_int_size [function] [call site] 00082
6 igraph_vcount [function] [call site] 00083
6 IGRAPH_ERROR [function] [call site] 00084
6 IGRAPH_SAFE_ADD [function] [call site] 00085
6 IGRAPH_ERRORF [function] [call site] 00086
6 IGRAPH_CHECK [function] [call site] 00087
6 igraph_vector_int_reserve [function] [call site] 00088
6 IGRAPH_CHECK [function] [call site] 00089
6 igraph_vector_int_reserve [function] [call site] 00090
6 igraph_vector_int_resize [function] [call site] 00091
6 igraph_vector_int_resize [function] [call site] 00092
6 IGRAPH_FINALLY_ENTER [function] [call site] 00095
7 igraph_i_reset_finally_stack [function] [call site] 00096
7 IGRAPH_FATAL [function] [call site] 00097
6 igraph_i_attribute_add_vertices [function] [call site] 00098
7 add_vertices [function] [call site] 00099
6 igraph_vector_int_resize [function] [call site] 00100
6 igraph_vector_int_resize [function] [call site] 00101
6 IGRAPH_FINALLY_EXIT [function] [call site] 00102
7 igraph_i_reset_finally_stack [function] [call site] 00103
7 IGRAPH_FATAL [function] [call site] 00104
6 IGRAPH_ERROR [function] [call site] 00105
6 igraph_i_property_cache_invalidate_conditionally [function] [call site] 00106
7 igraph_i_property_cache_get_bool [function] [call site] 00108
8 IGRAPH_ASSERT [function] [call site] 00109
6 igraph_vcount [function] [call site] 00111
5 IGRAPH_FINALLY_CLEAN [function] [call site] 00112
6 igraph_i_reset_finally_stack [function] [call site] 00113
6 IGRAPH_FATALF [function] [call site] 00114
3 IGRAPH_FINALLY [function] [call site] 00115
3 igraph_vcount [function] [call site] 00116
3 IGRAPH_CHECK [function] [call site] 00117
3 igraph_add_vertices [function] [call site] 00118
3 IGRAPH_CHECK [function] [call site] 00119
3 igraph_add_edges [function] [call site] 00120
4 igraph_vector_int_size [function] [call site] 00121
4 igraph_vector_int_size [function] [call site] 00122
4 igraph_is_directed [function] [call site] 00123
4 igraph_vector_int_size [function] [call site] 00124
4 IGRAPH_ERROR [function] [call site] 00125
4 igraph_vector_int_isininterval [function] [call site] 00126
4 igraph_vcount [function] [call site] 00127
4 IGRAPH_ERROR [function] [call site] 00128
4 IGRAPH_SAFE_ADD [function] [call site] 00129
4 IGRAPH_ERRORF [function] [call site] 00130
4 IGRAPH_CHECK [function] [call site] 00131
4 igraph_vector_int_reserve [function] [call site] 00132
4 IGRAPH_CHECK [function] [call site] 00133
4 igraph_vector_int_reserve [function] [call site] 00134
4 igraph_vector_int_push_back [function] [call site] 00137
4 igraph_vector_int_push_back [function] [call site] 00139
4 igraph_vector_int_push_back [function] [call site] 00141
4 igraph_vector_int_push_back [function] [call site] 00143
4 igraph_vector_int_resize [function] [call site] 00145
4 IGRAPH_FINALLY_EXIT [function] [call site] 00146
4 IGRAPH_ERROR [function] [call site] 00147
3 IGRAPH_FINALLY_CLEAN [function] [call site] 00148
2 igraph_vector_int_destroy [function] [call site] 00149
2 IGRAPH_FINALLY_CLEAN [function] [call site] 00150
1 igraph_write_graph_edgelist [function] [call site] 00152
2 IGRAPH_CHECK [function] [call site] 00153
2 igraph_eit_create [function] [call site] 00154
3 igraph_ecount [function] [call site] 00155
3 IGRAPH_CHECK [function] [call site] 00156
3 igraph_i_eit_create_allfromto [function] [call site] 00157
4 igraph_vcount [function] [call site] 00158
4 igraph_ecount [function] [call site] 00159
4 IGRAPH_CALLOC [function] [call site] 00160
4 IGRAPH_CHECK_OOM [function] [call site] 00161
4 IGRAPH_FINALLY [function] [call site] 00162
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00163
4 IGRAPH_CHECK [function] [call site] 00164
4 igraph_vector_int_reserve [function] [call site] 00165
4 igraph_is_directed [function] [call site] 00166
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00167
4 IGRAPH_CHECK [function] [call site] 00168
4 igraph_incident [function] [call site] 00169
5 igraph_is_directed [function] [call site] 00170
5 igraph_vcount [function] [call site] 00171
5 IGRAPH_ERRORF [function] [call site] 00172
5 IGRAPH_ERROR [function] [call site] 00173
5 IGRAPH_CHECK [function] [call site] 00178
5 igraph_vector_int_resize [function] [call site] 00179
5 IGRAPH_CHECK [function] [call site] 00210
5 igraph_vector_int_resize [function] [call site] 00211
4 igraph_vector_int_append [function] [call site] 00212
4 igraph_vector_int_destroy [function] [call site] 00213
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00214
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00215
4 IGRAPH_CALLOC [function] [call site] 00216
4 IGRAPH_CHECK_OOM [function] [call site] 00217
4 IGRAPH_FINALLY [function] [call site] 00218
4 IGRAPH_CHECK [function] [call site] 00219
4 igraph_incident [function] [call site] 00220
4 igraph_vector_int_size [function] [call site] 00221
4 igraph_vector_int_push_back [function] [call site] 00223
4 igraph_vector_int_destroy [function] [call site] 00226
4 IGRAPH_FREE [function] [call site] 00227
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00228
4 igraph_vector_int_size [function] [call site] 00229
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00230
3 IGRAPH_CHECK [function] [call site] 00231
3 igraph_i_eit_create_allfromto [function] [call site] 00232
3 IGRAPH_CHECK [function] [call site] 00233
3 igraph_i_eit_create_incident [function] [call site] 00234
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00235
4 IGRAPH_CHECK [function] [call site] 00236
4 igraph_incident [function] [call site] 00237
4 IGRAPH_CALLOC [function] [call site] 00238
4 IGRAPH_CHECK_OOM [function] [call site] 00239
4 IGRAPH_FINALLY [function] [call site] 00240
4 igraph_vector_int_size [function] [call site] 00241
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00242
4 igraph_vector_int_destroy [function] [call site] 00245
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00246
4 igraph_vector_int_size [function] [call site] 00247
3 igraph_ecount [function] [call site] 00248
3 IGRAPH_ERROR [function] [call site] 00249
3 igraph_vector_int_size [function] [call site] 00250
3 igraph_vector_int_isininterval [function] [call site] 00251
3 igraph_ecount [function] [call site] 00252
3 IGRAPH_ERROR [function] [call site] 00253
3 igraph_ecount [function] [call site] 00254
3 IGRAPH_ERROR [function] [call site] 00255
3 IGRAPH_ERROR [function] [call site] 00256
3 IGRAPH_CHECK [function] [call site] 00257
3 igraph_i_eit_pairs [function] [call site] 00258
4 igraph_vector_int_size [function] [call site] 00259
4 igraph_vcount [function] [call site] 00260
4 IGRAPH_ERROR [function] [call site] 00261
4 igraph_vector_int_isininterval [function] [call site] 00262
4 IGRAPH_ERROR [function] [call site] 00263
4 IGRAPH_CALLOC [function] [call site] 00264
4 IGRAPH_CHECK_OOM [function] [call site] 00265
4 IGRAPH_FINALLY [function] [call site] 00266
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00267
4 IGRAPH_CHECK [function] [call site] 00270
4 igraph_get_eid [function] [call site] 00271
5 igraph_vcount [function] [call site] 00272
5 IGRAPH_ERROR [function] [call site] 00273
5 igraph_is_directed [function] [call site] 00274
5 FIND_DIRECTED_EDGE [function] [call site] 00275
5 FIND_DIRECTED_EDGE [function] [call site] 00276
5 FIND_UNDIRECTED_EDGE [function] [call site] 00277
5 IGRAPH_ERROR [function] [call site] 00278
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00280
3 IGRAPH_CHECK [function] [call site] 00281
3 igraph_i_eit_path [function] [call site] 00282
4 igraph_vector_int_size [function] [call site] 00283
4 igraph_vcount [function] [call site] 00284
4 igraph_vector_int_isininterval [function] [call site] 00285
4 IGRAPH_ERROR [function] [call site] 00286
4 IGRAPH_CALLOC [function] [call site] 00287
4 IGRAPH_CHECK_OOM [function] [call site] 00288
4 IGRAPH_FINALLY [function] [call site] 00289
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00290
4 IGRAPH_CHECK [function] [call site] 00293
4 igraph_get_eid [function] [call site] 00294
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00296
3 IGRAPH_CHECK [function] [call site] 00297
3 igraph_i_eit_all_between [function] [call site] 00298
4 igraph_vcount [function] [call site] 00299
4 IGRAPH_ERROR [function] [call site] 00300
4 IGRAPH_CALLOC [function] [call site] 00301
4 IGRAPH_CHECK_OOM [function] [call site] 00302
4 IGRAPH_FINALLY [function] [call site] 00303
4 IGRAPH_VECTOR_INT_INIT_FINALLY [function] [call site] 00304
4 IGRAPH_CHECK [function] [call site] 00305
4 igraph_get_all_eids_between [function] [call site] 00306
5 igraph_vcount [function] [call site] 00307
5 IGRAPH_ERROR [function] [call site] 00308
5 IGRAPH_ERROR [function] [call site] 00309
5 igraph_vector_int_clear [function] [call site] 00310
5 igraph_is_directed [function] [call site] 00311
5 FIND_ALL_DIRECTED_EDGES [function] [call site] 00312
5 FIND_ALL_DIRECTED_EDGES [function] [call site] 00313
5 FIND_ALL_UNDIRECTED_EDGES [function] [call site] 00314
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00315
4 igraph_vector_int_size [function] [call site] 00316
3 IGRAPH_ERROR [function] [call site] 00317
2 igraph_ess_all [function] [call site] 00318
3 igraph_es_all [function] [call site] 00319
4 IGRAPH_ERROR [function] [call site] 00320
2 IGRAPH_FINALLY [function] [call site] 00321
2 IGRAPH_EIT_END [function] [call site] 00322
2 igraph_edge [function] [call site] 00323
3 igraph_ecount [function] [call site] 00324
3 IGRAPH_ERROR [function] [call site] 00325
3 igraph_is_directed [function] [call site] 00326
3 IGRAPH_FROM [function] [call site] 00327
3 IGRAPH_TO [function] [call site] 00328
3 IGRAPH_TO [function] [call site] 00329
3 IGRAPH_FROM [function] [call site] 00330
2 IGRAPH_EIT_GET [function] [call site] 00331
2 IGRAPH_ERROR [function] [call site] 00333
2 IGRAPH_EIT_NEXT [function] [call site] 00334
2 igraph_eit_destroy [function] [call site] 00335
3 igraph_vector_int_destroy [function] [call site] 00336
3 igraph_free [function] [call site] 00337
4 IGRAPH_FREE [function] [call site] 00338
2 IGRAPH_FINALLY_CLEAN [function] [call site] 00339
1 igraph_destroy [function] [call site] 00341
2 igraph_i_attribute_destroy [function] [call site] 00342
2 igraph_i_property_cache_destroy [function] [call site] 00344
3 IGRAPH_UNUSED [function] [call site] 00345
2 IGRAPH_FREE [function] [call site] 00346
2 igraph_vector_int_destroy [function] [call site] 00347
2 igraph_vector_int_destroy [function] [call site] 00348
2 igraph_vector_int_destroy [function] [call site] 00349
2 igraph_vector_int_destroy [function] [call site] 00350
2 igraph_vector_int_destroy [function] [call site] 00351
2 igraph_vector_int_destroy [function] [call site] 00352
1 IGRAPH_ASSERT [function] [call site] 00354