Fuzz introspector: broker_fuzz_password_file
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
67 149 mosquitto_security_init_default call site: 00149 acl_file__parse
67 217 mosquitto_security_init_default call site: 00217 psk__file_parse
60 364 config__cleanup call site: 00364 config__bridge_cleanup
22 109 password_file__parse call site: 00109 mosquitto_callback_register
19 286 mosquitto_security_cleanup_default call site: 00286 mosquitto_callback_unregister
18 8 LLVMFuzzerTestOneInput call site: 00008 mosquitto_fopen
8 425 config__cleanup call site: 00425 config__cleanup_plugin_config
6 27 LLVMFuzzerTestOneInput call site: 00027 config__plugin_add_secopt
6 329 acl_file__cleanup call site: 00329 acl__free_entries
6 342 psk__cleanup call site: 00342 psk__cleanup
4 46 password_file__parse call site: 00046 mosquitto_log_printf
4 306 mosquitto_callback_unregister call site: 00306 context__send_will

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 umask [function] [call site] 00001
1 snprintf [function] [call site] 00002
1 getpid [function] [call site] 00003
1 fopen [function] [call site] 00004
1 fwrite [function] [call site] 00005
1 fclose [function] [call site] 00006
1 strdup [function] [call site] 00007
1 log__init [function] [call site] 00008
2 openlog [function] [call site] 00009
2 OpenEventLog [function] [call site] 00010
2 mosquitto_fopen [function] [call site] 00011
3 LibMosquittoCommonMock::get_mock [function] [call site] 00012
2 setvbuf [function] [call site] 00013
2 log__printf [function] [call site] 00014
3 UNUSED [function] [call site] 00015
3 UNUSED [function] [call site] 00016
3 UNUSED [function] [call site] 00017
2 setvbuf [function] [call site] 00018
2 dlt_fifo_check [function] [call site] 00019
3 memset [function] [call site] 00020
3 stat [function] [call site] 00021
3 S_ISFIFO [function] [call site] 00022
3 open [function] [call site] 00023
3 close [function] [call site] 00024
2 DLT_REGISTER_APP [function] [call site] 00025
2 dlt_register_context [function] [call site] 00026
1 mosquitto_security_init_default [function] [call site] 00027
2 mosquitto_calloc [function] [call site] 00028
3 LibMosquittoCommonMock::get_mock [function] [call site] 00029
2 log__printf [function] [call site] 00030
2 mosquitto_strdup [function] [call site] 00031
3 LibMosquittoCommonMock::get_mock [function] [call site] 00032
2 config__plugin_add_secopt [function] [call site] 00033
3 mosquitto_realloc [function] [call site] 00034
4 LibMosquittoCommonMock::get_mock [function] [call site] 00035
3 mosquitto_realloc [function] [call site] 00036
3 mosquitto_FREE [function] [call site] 00037
3 mosquitto_FREE [function] [call site] 00038
3 log__printf [function] [call site] 00039
2 mosquitto_calloc [function] [call site] 00040
2 log__printf [function] [call site] 00041
2 mosquitto_strdup [function] [call site] 00042
2 config__plugin_add_secopt [function] [call site] 00043
2 broker_password_file__init [function] [call site] 00044
3 password_file__parse [function] [call site] 00045
4 mosquitto_malloc [function] [call site] 00046
5 LibMosquittoCommonMock::get_mock [function] [call site] 00047
4 mosquitto_log_printf [function] [call site] 00048
5 UNUSED [function] [call site] 00049
5 UNUSED [function] [call site] 00050
4 mosquitto_fopen [function] [call site] 00051
4 mosquitto_log_printf [function] [call site] 00052
4 mosquitto_FREE [function] [call site] 00053
4 feof [function] [call site] 00054
4 mosquitto_fgets [function] [call site] 00055
5 LibMosquittoCommonMock::get_mock [function] [call site] 00056
4 strchr [function] [call site] 00057
4 strtok_r [function] [call site] 00058
4 mosquitto_trimblanks [function] [call site] 00059
5 LibMosquittoCommonMock::get_mock [function] [call site] 00060
4 strlen [function] [call site] 00061
4 mosquitto_log_printf [function] [call site] 00062
4 fclose [function] [call site] 00063
4 mosquitto_FREE [function] [call site] 00064
4 strlen [function] [call site] 00065
4 mosquitto_log_printf [function] [call site] 00066
4 fclose [function] [call site] 00067
4 mosquitto_FREE [function] [call site] 00068
4 HASH_FIND [function] [call site] 00069
4 strlen [function] [call site] 00070
4 mosquitto_log_printf [function] [call site] 00071
4 fclose [function] [call site] 00072
4 mosquitto_FREE [function] [call site] 00073
4 mosquitto_calloc [function] [call site] 00074
4 fclose [function] [call site] 00075
4 mosquitto_FREE [function] [call site] 00076
4 mosquitto_strdup [function] [call site] 00077
4 mosquitto_FREE [function] [call site] 00078
4 mosquitto_FREE [function] [call site] 00079
4 fclose [function] [call site] 00080
4 strtok_r [function] [call site] 00081
4 mosquitto_trimblanks [function] [call site] 00082
4 strlen [function] [call site] 00083
4 mosquitto_log_printf [function] [call site] 00084
4 mosquitto_FREE [function] [call site] 00085
4 mosquitto_FREE [function] [call site] 00086
4 mosquitto_FREE [function] [call site] 00087
4 fclose [function] [call site] 00088
4 mosquitto_pw_new [function] [call site] 00089
5 LibMosquittoCommonMock::get_mock [function] [call site] 00090
4 mosquitto_pw_decode [function] [call site] 00091
5 LibMosquittoCommonMock::get_mock [function] [call site] 00092
4 mosquitto_log_printf [function] [call site] 00093
4 mosquitto_pw_cleanup [function] [call site] 00094
5 LibMosquittoCommonMock::get_mock [function] [call site] 00095
4 mosquitto_FREE [function] [call site] 00096
4 mosquitto_FREE [function] [call site] 00097
4 mosquitto_FREE [function] [call site] 00098
4 fclose [function] [call site] 00099
4 HASH_ADD_KEYPTR [function] [call site] 00100
4 strlen [function] [call site] 00101
4 mosquitto_log_printf [function] [call site] 00102
4 mosquitto_pw_cleanup [function] [call site] 00103
4 mosquitto_FREE [function] [call site] 00104
4 mosquitto_FREE [function] [call site] 00105
4 mosquitto_FREE [function] [call site] 00106
4 fclose [function] [call site] 00107
4 fclose [function] [call site] 00108
4 mosquitto_FREE [function] [call site] 00109
3 config__plugin_add_secopt [function] [call site] 00110
3 mosquitto_callback_register [function] [call site] 00111
4 control__register_callback [function] [call site] 00112
5 strlen [function] [call site] 00113
5 strncmp [function] [call site] 00114
5 strlen [function] [call site] 00115
5 strlen [function] [call site] 00116
5 strlen [function] [call site] 00117
5 HASH_FIND [function] [call site] 00118
5 mosquitto_calloc [function] [call site] 00119
5 mosquitto_strdup [function] [call site] 00120
5 mosquitto_FREE [function] [call site] 00121
5 HASH_ADD_KEYPTR [function] [call site] 00122
5 strlen [function] [call site] 00123
5 mosquitto_malloc [function] [call site] 00124
5 snprintf [function] [call site] 00125
5 DL_APPEND [function] [call site] 00126
5 log__printf [function] [call site] 00127
5 UNUSED [function] [call site] 00128
5 UNUSED [function] [call site] 00129
5 UNUSED [function] [call site] 00130
5 UNUSED [function] [call site] 00131
4 mosquitto_calloc [function] [call site] 00132
4 DL_APPEND [function] [call site] 00133
4 log__printf [function] [call site] 00134
4 get_event_name [function] [call site] 00135
4 plugin__get_callback_base [function] [call site] 00136
4 check_callback_exists [function] [call site] 00137
4 mosquitto_calloc [function] [call site] 00138
4 DL_DELETE [function] [call site] 00139
4 mosquitto_FREE [function] [call site] 00140
4 DL_APPEND [function] [call site] 00141
4 log__printf [function] [call site] 00142
4 get_event_name [function] [call site] 00143
4 log__printf [function] [call site] 00144
4 get_event_name [function] [call site] 00145
3 password_file__parse [function] [call site] 00146
3 config__plugin_add_secopt [function] [call site] 00147
3 mosquitto_callback_register [function] [call site] 00148
2 broker_acl_file__init [function] [call site] 00149
3 acl_file__parse [function] [call site] 00150
4 mosquitto_calloc [function] [call site] 00151
4 mosquitto_log_printf [function] [call site] 00152
4 mosquitto_fopen [function] [call site] 00153
4 mosquitto_FREE [function] [call site] 00154
4 mosquitto_log_printf [function] [call site] 00155
4 mosquitto_fgets [function] [call site] 00156
4 strlen [function] [call site] 00157
4 isspace [function] [call site] 00158
4 strlen [function] [call site] 00159
4 strtok_r [function] [call site] 00160
4 strcmp [function] [call site] 00161
4 strcmp [function] [call site] 00162
4 strcmp [function] [call site] 00163
4 strtok_r [function] [call site] 00164
4 mosquitto_log_printf [function] [call site] 00165
4 strtok_r [function] [call site] 00166
4 mosquitto_trimblanks [function] [call site] 00167
4 strcmp [function] [call site] 00168
4 strcmp [function] [call site] 00169
4 strcmp [function] [call site] 00170
4 strcmp [function] [call site] 00171
4 mosquitto_log_printf [function] [call site] 00172
4 mosquitto_sub_topic_check [function] [call site] 00173
5 LibMosquittoCommonMock::get_mock [function] [call site] 00174
4 mosquitto_log_printf [function] [call site] 00175
4 acl__add [function] [call site] 00176
5 acl__find_or_create_user [function] [call site] 00177
6 HASH_FIND_BYHASHVALUE [function] [call site] 00178
6 strlen [function] [call site] 00179
6 mosquitto_calloc [function] [call site] 00180
6 mosquitto_strdup [function] [call site] 00181
6 mosquitto_FREE [function] [call site] 00182
6 HASH_ADD_KEYPTR [function] [call site] 00183
6 strlen [function] [call site] 00184
5 acl__add_to_user [function] [call site] 00185
6 mosquitto_calloc [function] [call site] 00186
6 mosquitto_strdup [function] [call site] 00187
6 DL_PREPEND [function] [call site] 00188
6 DL_APPEND [function] [call site] 00189
4 acl__add_pattern [function] [call site] 00190
5 mosquitto_strdup [function] [call site] 00191
5 mosquitto_malloc [function] [call site] 00192
5 mosquitto_FREE [function] [call site] 00193
5 strstr [function] [call site] 00194
5 strstr [function] [call site] 00195
5 mosquitto_log_printf [function] [call site] 00196
4 strcmp [function] [call site] 00197
4 strtok_r [function] [call site] 00198
4 mosquitto_trimblanks [function] [call site] 00199
4 mosquitto_log_printf [function] [call site] 00200
4 mosquitto_FREE [function] [call site] 00201
4 mosquitto_strdup [function] [call site] 00202
4 HASH_VALUE [function] [call site] 00203
4 strlen [function] [call site] 00204
4 mosquitto_log_printf [function] [call site] 00205
4 mosquitto_log_printf [function] [call site] 00206
4 mosquitto_FREE [function] [call site] 00207
4 mosquitto_FREE [function] [call site] 00208
4 fclose [function] [call site] 00209
3 log__printf [function] [call site] 00210
3 config__plugin_add_secopt [function] [call site] 00211
3 mosquitto_callback_register [function] [call site] 00212
3 acl_file__parse [function] [call site] 00213
3 log__printf [function] [call site] 00214
3 config__plugin_add_secopt [function] [call site] 00215
3 mosquitto_callback_register [function] [call site] 00216
2 psk_file__init [function] [call site] 00217
3 psk__file_parse [function] [call site] 00218
4 pwfile__parse [function] [call site] 00219
5 mosquitto_malloc [function] [call site] 00220
5 log__printf [function] [call site] 00221
5 mosquitto_fopen [function] [call site] 00222
5 log__printf [function] [call site] 00223
5 mosquitto_FREE [function] [call site] 00224
5 feof [function] [call site] 00225
5 mosquitto_fgets [function] [call site] 00226
5 strchr [function] [call site] 00227
5 strtok_r [function] [call site] 00228
5 mosquitto_trimblanks [function] [call site] 00229
5 strlen [function] [call site] 00230
5 log__printf [function] [call site] 00231
5 strlen [function] [call site] 00232
5 log__printf [function] [call site] 00233
5 HASH_FIND [function] [call site] 00234
5 strlen [function] [call site] 00235
5 log__printf [function] [call site] 00236
5 mosquitto_calloc [function] [call site] 00237
5 fclose [function] [call site] 00238
5 mosquitto_FREE [function] [call site] 00239
5 mosquitto_strdup [function] [call site] 00240
5 psk__free_item [function] [call site] 00241
6 mosquitto_FREE [function] [call site] 00242
6 mosquitto_FREE [function] [call site] 00243
6 mosquitto_FREE [function] [call site] 00244
5 mosquitto_FREE [function] [call site] 00245
5 fclose [function] [call site] 00246
5 strtok_r [function] [call site] 00247
5 mosquitto_trimblanks [function] [call site] 00248
5 strlen [function] [call site] 00249
5 log__printf [function] [call site] 00250
5 psk__free_item [function] [call site] 00251
5 mosquitto_strdup [function] [call site] 00252
5 log__printf [function] [call site] 00253
5 psk__free_item [function] [call site] 00254
5 HASH_ADD_KEYPTR [function] [call site] 00255
5 strlen [function] [call site] 00256
5 log__printf [function] [call site] 00257
5 psk__free_item [function] [call site] 00258
5 fclose [function] [call site] 00259
5 mosquitto_FREE [function] [call site] 00260
4 HASH_ITER [function] [call site] 00261
5 printf [function] [call site] 00262
5 printf [function] [call site] 00263
5 printf [function] [call site] 00264
5 MQTT_SUB_OPT_GET_QOS [function] [call site] 00265
5 printf [function] [call site] 00266
5 MQTT_SUB_OPT_GET_QOS [function] [call site] 00267
5 printf [function] [call site] 00268
5 sub__tree_print [function] [call site] 00269
6 printf [function] [call site] 00270
6 printf [function] [call site] 00271
6 printf [function] [call site] 00272
6 MQTT_SUB_OPT_GET_QOS [function] [call site] 00273
6 printf [function] [call site] 00274
6 MQTT_SUB_OPT_GET_QOS [function] [call site] 00275
6 printf [function] [call site] 00276
6 sub__tree_print [function] [call site] 00277
4 log__printf [function] [call site] 00278
4 strspn [function] [call site] 00279
4 strlen [function] [call site] 00280
4 log__printf [function] [call site] 00281
3 log__printf [function] [call site] 00282
3 psk__file_parse [function] [call site] 00283
3 log__printf [function] [call site] 00284
1 mosquitto_security_cleanup_default [function] [call site] 00285
2 broker_password_file__cleanup [function] [call site] 00286
3 mosquitto_callback_unregister [function] [call site] 00287
4 control__unregister_callback [function] [call site] 00288
5 strlen [function] [call site] 00289
5 strncmp [function] [call site] 00290
5 strlen [function] [call site] 00291
5 HASH_FIND [function] [call site] 00292
5 HASH_DELETE [function] [call site] 00293
5 mosquitto_FREE [function] [call site] 00294
5 mosquitto_FREE [function] [call site] 00295
5 DL_FOREACH [function] [call site] 00296
6 plugin_persist__handle_client_msg_update [function] [call site] 00297
7 UNUSED [function] [call site] 00298
7 UNUSED [function] [call site] 00299
5 strcmp [function] [call site] 00300
5 DL_DELETE [function] [call site] 00301
5 mosquitto_FREE [function] [call site] 00302
5 UNUSED [function] [call site] 00303
5 UNUSED [function] [call site] 00304
5 UNUSED [function] [call site] 00305
4 DL_FOREACH_SAFE [function] [call site] 00306
5 DL_DELETE [function] [call site] 00307
5 context__send_will [function] [call site] 00308
6 UNUSED [function] [call site] 00309
5 mosquitto_FREE [function] [call site] 00310
4 remove_callback [function] [call site] 00311
5 plugin__get_callback_base [function] [call site] 00312
5 DL_FOREACH_SAFE [function] [call site] 00313
5 DL_DELETE [function] [call site] 00314
5 mosquitto_FREE [function] [call site] 00315
5 DL_DELETE [function] [call site] 00316
5 mosquitto_FREE [function] [call site] 00317
3 password_file__cleanup [function] [call site] 00318
4 HASH_ITER [function] [call site] 00319
4 HASH_DEL [function] [call site] 00320
4 mosquitto_pw_cleanup [function] [call site] 00321
4 mosquitto_FREE [function] [call site] 00322
4 mosquitto_FREE [function] [call site] 00323
3 mosquitto_callback_unregister [function] [call site] 00324
3 password_file__cleanup [function] [call site] 00325
2 broker_acl_file__cleanup [function] [call site] 00326
3 mosquitto_callback_unregister [function] [call site] 00327
3 acl_file__cleanup [function] [call site] 00328
4 HASH_ITER [function] [call site] 00329
4 HASH_DELETE [function] [call site] 00330
4 mosquitto_FREE [function] [call site] 00331
4 acl__free_entries [function] [call site] 00332
5 mosquitto_FREE [function] [call site] 00333
5 mosquitto_FREE [function] [call site] 00334
4 mosquitto_FREE [function] [call site] 00335
4 acl__free_entries [function] [call site] 00336
4 acl__free_entries [function] [call site] 00337
3 mosquitto_callback_unregister [function] [call site] 00338
3 acl_file__cleanup [function] [call site] 00339
2 psk_file__cleanup [function] [call site] 00340
3 psk__cleanup [function] [call site] 00341
4 HASH_ITER [function] [call site] 00342
4 HASH_DEL [function] [call site] 00343
4 psk__free_item [function] [call site] 00344
3 psk__cleanup [function] [call site] 00345
2 mosquitto_FREE [function] [call site] 00346
2 mosquitto_FREE [function] [call site] 00347
2 mosquitto_FREE [function] [call site] 00348
2 mosquitto_FREE [function] [call site] 00349
2 mosquitto_FREE [function] [call site] 00350
2 mosquitto_FREE [function] [call site] 00351
1 config__cleanup [function] [call site] 00352
2 mosquitto_FREE [function] [call site] 00353
2 mosquitto_FREE [function] [call site] 00354
2 mosquitto_FREE [function] [call site] 00355
2 mosquitto_FREE [function] [call site] 00356
2 mosquitto_FREE [function] [call site] 00357
2 mosquitto_FREE [function] [call site] 00358
2 mosquitto_FREE [function] [call site] 00359
2 mosquitto_FREE [function] [call site] 00360
2 mosquitto_FREE [function] [call site] 00361
2 mosquitto_FREE [function] [call site] 00362
2 mosquitto_FREE [function] [call site] 00363
2 mosquitto_FREE [function] [call site] 00364
2 mosquitto_FREE [function] [call site] 00365
2 mosquitto_FREE [function] [call site] 00366
2 mosquitto_FREE [function] [call site] 00367
2 mosquitto_FREE [function] [call site] 00368
2 mosquitto_FREE [function] [call site] 00369
2 mosquitto_FREE [function] [call site] 00370
2 mosquitto_FREE [function] [call site] 00371
2 mosquitto_FREE [function] [call site] 00372
2 mosquitto_FREE [function] [call site] 00373
2 mosquitto_FREE [function] [call site] 00374
2 mosquitto_FREE [function] [call site] 00375
2 mosquitto_FREE [function] [call site] 00376
2 mosquitto_FREE [function] [call site] 00377
2 mosquitto_FREE [function] [call site] 00378
2 mosquitto_FREE [function] [call site] 00379
2 mosquitto_FREE [function] [call site] 00380
2 mosquitto_FREE [function] [call site] 00381
2 mosquitto_FREE [function] [call site] 00382
2 mosquitto_FREE [function] [call site] 00383
2 mosquitto_FREE [function] [call site] 00384
2 mosquitto_FREE [function] [call site] 00385
2 SSL_CTX_free [function] [call site] 00386
2 mosquitto_FREE [function] [call site] 00387
2 mosquitto_FREE [function] [call site] 00388
2 mosquitto_FREE [function] [call site] 00389
2 mosquitto_FREE [function] [call site] 00390
2 mosquitto_FREE [function] [call site] 00391
2 config__bridge_cleanup [function] [call site] 00392
3 mosquitto_FREE [function] [call site] 00393
3 mosquitto_FREE [function] [call site] 00394
3 mosquitto_FREE [function] [call site] 00395
3 mosquitto_FREE [function] [call site] 00396
3 mosquitto_FREE [function] [call site] 00397
3 mosquitto_FREE [function] [call site] 00398
3 mosquitto_FREE [function] [call site] 00399
3 mosquitto_FREE [function] [call site] 00400
3 mosquitto_FREE [function] [call site] 00401
3 mosquitto_FREE [function] [call site] 00402
3 LL_FOREACH_SAFE [function] [call site] 00403
3 mosquitto_FREE [function] [call site] 00404
3 mosquitto_FREE [function] [call site] 00405
3 mosquitto_FREE [function] [call site] 00406
3 mosquitto_FREE [function] [call site] 00407
3 mosquitto_FREE [function] [call site] 00408
3 LL_DELETE [function] [call site] 00409
3 mosquitto_FREE [function] [call site] 00410
3 mosquitto_FREE [function] [call site] 00411
3 mosquitto_FREE [function] [call site] 00412
3 mosquitto_FREE [function] [call site] 00413
3 mosquitto_FREE [function] [call site] 00414
3 mosquitto_FREE [function] [call site] 00415
3 mosquitto_FREE [function] [call site] 00416
3 mosquitto_FREE [function] [call site] 00417
3 mosquitto_FREE [function] [call site] 00418
3 mosquitto_FREE [function] [call site] 00419
3 mosquitto_FREE [function] [call site] 00420
3 mosquitto_FREE [function] [call site] 00421
3 mosquitto_FREE [function] [call site] 00422
3 mosquitto_FREE [function] [call site] 00423
2 mosquitto_FREE [function] [call site] 00424
2 config__cleanup_plugins [function] [call site] 00425
3 config__cleanup_plugin_config [function] [call site] 00426
4 mosquitto_FREE [function] [call site] 00427
4 mosquitto_FREE [function] [call site] 00428
4 mosquitto_FREE [function] [call site] 00429
4 mosquitto_FREE [function] [call site] 00430
4 mosquitto_FREE [function] [call site] 00431
4 mosquitto_FREE [function] [call site] 00432
4 mosquitto_FREE [function] [call site] 00433
3 mosquitto_FREE [function] [call site] 00434
2 fclose [function] [call site] 00435
2 mosquitto_FREE [function] [call site] 00436
1 unlink [function] [call site] 00437