Fuzz introspector: read_graphdb_fuzzer
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
25 25 1 :

['igraph_errorf']

25 25 igraph_add_edges call site: 00165 /src/igraph/src/graph/type_indexededgelist.c:266
25 25 1 :

['igraph_errorf']

25 25 igraph_add_vertices call site: 00107 /src/igraph/src/graph/type_indexededgelist.c:392
20 20 1 :

['igraph_error_handler_abort']

20 20 igraph_error call site: 00014 /src/igraph/src/core/error.c:170
3 127 5 :

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

3 154 igraph_add_vertices call site: 00120 /src/igraph/src/graph/type_indexededgelist.c:412
3 96 3 :

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

3 294 igraph_add_edges call site: 00203 /src/igraph/src/graph/type_indexededgelist.c:312
0 23 1 :

['igraph_error']

0 23 igraph_vector_int_init call site: 00031 /src/igraph/src/core/vector.pmt:145
0 16 1 :

['igraph_vector_int_null']

0 16 igraph_i_create_start_vectors call site: 00210 /src/igraph/src/graph/type_indexededgelist.c:1064
0 0 None 53 1306 igraph_add_edges call site: 00163 /src/igraph/src/graph/type_indexededgelist.c:260
0 0 None 17 17 IGRAPH_FINALLY_REAL call site: 00094 /src/igraph/src/core/error.c:249
0 0 None 13 13 IGRAPH_FINALLY_ENTER call site: 00121 /src/igraph/src/core/error.c:307
0 0 None 3 1146 igraph_add_edges call site: 00168 /src/igraph/src/graph/type_indexededgelist.c:274
0 0 None 0 55 igraph_vector_int_push_back call site: 00049 /src/igraph/src/core/vector.pmt:575

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