Fuzz introspector: read_graphdb
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
23 23 1 :

['igraph_errorf']

23 23 igraph_add_edges call site: 00182 /src/igraph/src/graph/type_indexededgelist.c:273
23 23 1 :

['igraph_errorf']

23 23 igraph_add_vertices call site: 00125 /src/igraph/src/graph/type_indexededgelist.c:401
19 19 1 :

['igraph_error_handler_abort']

19 19 igraph_error call site: 00013 /src/igraph/src/core/error.c:213
3 123 5 :

['igraph_i_attribute_add_vertices', 'IGRAPH_FINALLY_ENTER', 'igraph_error', 'IGRAPH_FINALLY_EXIT', 'igraph_vector_int_resize']

3 149 igraph_add_vertices call site: 00138 /src/igraph/src/graph/type_indexededgelist.c:421
3 94 3 :

['igraph_error', 'igraph_i_attribute_add_edges', 'igraph_vector_int_resize']

3 286 igraph_add_edges call site: 00233 /src/igraph/src/graph/type_indexededgelist.c:319
0 42 1 :

['igraph_error']

0 42 igraph_i_attribute_init call site: 00116 /src/igraph/src/graph/attributes.c:619
0 21 1 :

['igraph_error']

0 21 igraph_vector_int_init call site: 00031 /src/igraph/src/core/vector.pmt:145
0 15 1 :

['igraph_vector_int_null']

0 15 igraph_i_create_start_vectors call site: 00241 /src/igraph/src/graph/type_indexededgelist.c:1068
0 0 None 49 1279 igraph_add_edges call site: 00180 /src/igraph/src/graph/type_indexededgelist.c:267
0 0 None 16 16 IGRAPH_FINALLY_REAL call site: 00034 /src/igraph/src/core/error.c:322
0 0 None 12 12 IGRAPH_FINALLY_ENTER call site: 00139 /src/igraph/src/core/error.c:380
0 0 None 3 1127 igraph_add_edges call site: 00187 /src/igraph/src/graph/type_indexededgelist.c:281

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_vector_int_push_back [function] [call site] 00050
3 igraph_fatal [function] [call site] 00051
3 igraph_fatal [function] [call site] 00052
3 igraph_vector_int_size [function] [call site] 00053
4 igraph_fatal [function] [call site] 00054
4 igraph_fatal [function] [call site] 00055
3 igraph_error [function] [call site] 00056
3 igraph_vector_int_reserve [function] [call site] 00057
4 igraph_fatal [function] [call site] 00058
4 igraph_fatal [function] [call site] 00059
4 igraph_fatal [function] [call site] 00060
4 igraph_vector_int_capacity [function] [call site] 00061
4 realloc [call site] 00062
4 igraph_error [function] [call site] 00063
3 igraph_error [function] [call site] 00064
2 igraph_error [function] [call site] 00065
2 igraph_vector_int_push_back [function] [call site] 00066
2 igraph_error [function] [call site] 00067
2 igraph_allow_interruption [function] [call site] 00068
2 fgetc [call site] 00069
2 igraph_error [function] [call site] 00070
2 igraph_create [function] [call site] 00071
3 igraph_vector_int_size [function] [call site] 00072
3 igraph_vector_int_size [function] [call site] 00073
3 igraph_error [function] [call site] 00074
3 igraph_vector_int_isininterval [function] [call site] 00075
4 igraph_fatal [function] [call site] 00076
4 igraph_fatal [function] [call site] 00077
3 igraph_error [function] [call site] 00078
3 igraph_vector_int_max [function] [call site] 00079
4 igraph_vector_int_empty [function] [call site] 00080
5 igraph_fatal [function] [call site] 00081
5 igraph_fatal [function] [call site] 00082
4 igraph_fatal [function] [call site] 00083
3 igraph_empty [function] [call site] 00084
4 igraph_empty_attrs [function] [call site] 00085
5 igraph_error [function] [call site] 00086
5 igraph_vector_int_init [function] [call site] 00087
5 igraph_error [function] [call site] 00088
5 IGRAPH_FINALLY_REAL [function] [call site] 00089
5 igraph_vector_int_destroy [function] [call site] 00090
5 igraph_vector_int_init [function] [call site] 00091
5 igraph_error [function] [call site] 00092
5 IGRAPH_FINALLY_REAL [function] [call site] 00093
5 igraph_vector_int_destroy [function] [call site] 00094
5 igraph_vector_int_init [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_error [function] [call site] 00099
5 IGRAPH_FINALLY_REAL [function] [call site] 00100
5 igraph_vector_int_destroy [function] [call site] 00101
5 igraph_vector_int_init [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_FINALLY_REAL [function] [call site] 00106
5 igraph_vector_int_destroy [function] [call site] 00107
5 calloc [call site] 00108
5 igraph_error [function] [call site] 00109
5 IGRAPH_FINALLY_REAL [function] [call site] 00110
5 igraph_free [function] [call site] 00111
5 igraph_i_property_cache_init [function] [call site] 00112
5 igraph_error [function] [call site] 00113
5 IGRAPH_FINALLY_REAL [function] [call site] 00114
5 igraph_i_property_cache_destroy [function] [call site] 00115
5 igraph_i_attribute_init [function] [call site] 00116
6 igraph_error [function] [call site] 00117
6 igraph_error [function] [call site] 00118
5 igraph_error [function] [call site] 00119
5 igraph_add_vertices [function] [call site] 00120
6 igraph_ecount [function] [call site] 00121
7 igraph_vector_int_size [function] [call site] 00122
6 igraph_vcount [function] [call site] 00123
6 igraph_error [function] [call site] 00124
6 igraph_errorf [function] [call site] 00125
7 vsnprintf [call site] 00126
7 igraph_error [function] [call site] 00127
6 igraph_errorf [function] [call site] 00128
6 igraph_vector_int_reserve [function] [call site] 00129
6 igraph_error [function] [call site] 00130
6 igraph_vector_int_reserve [function] [call site] 00131
6 igraph_error [function] [call site] 00132
6 igraph_vector_int_resize [function] [call site] 00133
7 igraph_fatal [function] [call site] 00134
7 igraph_fatal [function] [call site] 00135
7 igraph_vector_int_reserve [function] [call site] 00136
7 igraph_error [function] [call site] 00137
6 igraph_vector_int_resize [function] [call site] 00138
6 IGRAPH_FINALLY_ENTER [function] [call site] 00139
7 igraph_i_reset_finally_stack [function] [call site] 00140
7 igraph_fatal [function] [call site] 00141
6 igraph_i_attribute_add_vertices [function] [call site] 00142
6 igraph_vector_int_resize [function] [call site] 00143
6 igraph_vector_int_resize [function] [call site] 00144
6 IGRAPH_FINALLY_EXIT [function] [call site] 00145
7 igraph_i_reset_finally_stack [function] [call site] 00146
7 igraph_fatal [function] [call site] 00147
6 igraph_error [function] [call site] 00148
6 igraph_vcount [function] [call site] 00149
6 igraph_i_property_cache_invalidate_conditionally [function] [call site] 00150
7 __assert_fail [call site] 00151
7 igraph_i_property_cache_get_bool [function] [call site] 00152
8 igraph_fatal [function] [call site] 00153
8 __assert_fail [call site] 00154
5 igraph_error [function] [call site] 00155
5 IGRAPH_FINALLY_CLEAN [function] [call site] 00156
6 igraph_i_reset_finally_stack [function] [call site] 00157
6 igraph_fatalf [function] [call site] 00158
3 igraph_error [function] [call site] 00159
3 IGRAPH_FINALLY_REAL [function] [call site] 00160
3 igraph_destroy [function] [call site] 00161
4 igraph_i_attribute_destroy [function] [call site] 00162
4 igraph_i_property_cache_destroy [function] [call site] 00163
4 igraph_vector_int_destroy [function] [call site] 00164
4 igraph_vector_int_destroy [function] [call site] 00165
4 igraph_vector_int_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
3 igraph_vcount [function] [call site] 00170
3 igraph_add_vertices [function] [call site] 00171
3 igraph_error [function] [call site] 00172
3 igraph_add_edges [function] [call site] 00173
4 igraph_vector_int_size [function] [call site] 00174
4 igraph_vector_int_size [function] [call site] 00175
4 igraph_is_directed [function] [call site] 00176
4 igraph_vector_int_size [function] [call site] 00177
4 igraph_error [function] [call site] 00178
4 igraph_vcount [function] [call site] 00179
4 igraph_vector_int_isininterval [function] [call site] 00180
4 igraph_error [function] [call site] 00181
4 igraph_errorf [function] [call site] 00182
4 igraph_errorf [function] [call site] 00183
4 igraph_vector_int_reserve [function] [call site] 00184
4 igraph_error [function] [call site] 00185
4 igraph_vector_int_reserve [function] [call site] 00186
4 igraph_error [function] [call site] 00187
4 igraph_vector_int_push_back [function] [call site] 00188
4 igraph_vector_int_push_back [function] [call site] 00189
4 igraph_vector_int_push_back [function] [call site] 00190
4 igraph_vector_int_push_back [function] [call site] 00191
4 IGRAPH_FINALLY_ENTER [function] [call site] 00192
4 igraph_vector_int_init [function] [call site] 00193
4 igraph_vector_int_resize [function] [call site] 00194
4 IGRAPH_FINALLY_EXIT [function] [call site] 00195
4 igraph_error [function] [call site] 00196
4 IGRAPH_FINALLY_REAL [function] [call site] 00197
4 igraph_vector_int_destroy [function] [call site] 00198
4 igraph_vector_int_init [function] [call site] 00199
4 igraph_vector_int_resize [function] [call site] 00200
4 IGRAPH_FINALLY_EXIT [function] [call site] 00201
4 igraph_error [function] [call site] 00202
4 IGRAPH_FINALLY_REAL [function] [call site] 00203
4 igraph_vector_int_destroy [function] [call site] 00204
4 igraph_vector_int_pair_order [function] [call site] 00205
5 igraph_vector_int_size [function] [call site] 00206
5 igraph_fatal [function] [call site] 00207
5 igraph_fatal [function] [call site] 00208
5 igraph_vector_int_init [function] [call site] 00209
5 IGRAPH_FINALLY_REAL [function] [call site] 00210
5 igraph_vector_int_destroy [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_resize [function] [call site] 00216
5 igraph_error [function] [call site] 00217
5 igraph_vector_int_null [function] [call site] 00218
6 igraph_fatal [function] [call site] 00219
6 igraph_fatal [function] [call site] 00220
6 igraph_vector_int_size [function] [call site] 00221
6 igraph_vector_int_size [function] [call site] 00222
5 igraph_vector_int_null [function] [call site] 00223
5 igraph_vector_int_destroy [function] [call site] 00224
5 igraph_vector_int_destroy [function] [call site] 00225
5 IGRAPH_FINALLY_CLEAN [function] [call site] 00226
4 igraph_vector_int_resize [function] [call site] 00227
4 IGRAPH_FINALLY_EXIT [function] [call site] 00228
4 igraph_error [function] [call site] 00229
4 igraph_vector_int_pair_order [function] [call site] 00230
4 igraph_vector_int_resize [function] [call site] 00231
4 IGRAPH_FINALLY_EXIT [function] [call site] 00232
4 igraph_error [function] [call site] 00233
4 igraph_i_attribute_add_edges [function] [call site] 00234
4 igraph_vector_int_resize [function] [call site] 00235
4 IGRAPH_FINALLY_EXIT [function] [call site] 00236
4 igraph_error [function] [call site] 00237
4 igraph_i_create_start_vectors [function] [call site] 00238
5 igraph_vector_int_size [function] [call site] 00239
5 igraph_vector_int_resize [function] [call site] 00240
5 igraph_error [function] [call site] 00241
5 igraph_vector_int_null [function] [call site] 00242
4 igraph_i_create_start_vectors [function] [call site] 00243
4 igraph_vector_int_destroy [function] [call site] 00244
4 igraph_vector_int_destroy [function] [call site] 00245
4 IGRAPH_FINALLY_CLEAN [function] [call site] 00246
4 IGRAPH_FINALLY_EXIT [function] [call site] 00247
4 igraph_i_property_cache_invalidate_conditionally [function] [call site] 00248
3 igraph_error [function] [call site] 00249
3 IGRAPH_FINALLY_CLEAN [function] [call site] 00250
2 igraph_error [function] [call site] 00251
2 igraph_vector_int_destroy [function] [call site] 00252
2 IGRAPH_FINALLY_CLEAN [function] [call site] 00253
1 igraph_destroy [function] [call site] 00254
1 fclose [call site] 00255
1 IGRAPH_FINALLY_STACK_SIZE [function] [call site] 00256
1 igraph_fatal [function] [call site] 00257