Fuzz introspector: test_libfuzzer
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
12 359 ikev2_pld_e call site: 00359 log_warn
8 408 ikev2_frags_reassemble call site: 00408 fatalx
5 50 vlog call site: 00050 __asprintf_chk
5 136 print_hex call site: 00136 print_debug
5 351 print_addr call site: 00351 log_debug
5 395 recallocarray call site: 00395 log_info
4 7 ibuf_add_zero call site: 00007 __errno_location
4 142 ikev2_pld_xform call site: 00142 log_debug
4 292 ikev2_pld_notify call site: 00292 ibuf_new
2 15 ibuf_free call site: 00015 abort
2 148 ikev2_pld_sa call site: 00148 log_debug
2 176 ikev2_pld_id call site: 00176 log_debug

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 ibuf_new [function] [call site] 00001
2 ibuf_dynamic [function] [call site] 00002
3 __errno_location [call site] 00003
3 calloc [call site] 00004
3 calloc [call site] 00005
2 ibuf_add_zero [function] [call site] 00006
3 ibuf_reserve [function] [call site] 00007
4 __errno_location [call site] 00008
4 __errno_location [call site] 00009
4 __errno_location [call site] 00010
4 realloc [call site] 00011
2 ibuf_add [function] [call site] 00012
3 ibuf_reserve [function] [call site] 00013
2 ibuf_free [function] [call site] 00014
3 __errno_location [call site] 00015
3 abort [call site] 00016
3 close [call site] 00017
3 freezero [function] [call site] 00018
4 __explicit_bzero_chk [call site] 00019
1 fprintf [call site] 00020
1 ibuf_free [function] [call site] 00021
1 prepare_header [function] [call site] 00022
2 ibuf_data [function] [call site] 00023
2 ibuf_data [function] [call site] 00024
2 get_rcookie [function] [call site] 00025
2 ibuf_data [function] [call site] 00026
2 ibuf_data [function] [call site] 00027
2 ibuf_data [function] [call site] 00028
2 ibuf_data [function] [call site] 00029
1 prepare_message [function] [call site] 00030
2 config_free_fragments [function] [call site] 00031
1 ikev2_pld_parse [function] [call site] 00032
2 __bswap_64 [function] [call site] 00033
2 print_spi [function] [call site] 00034
3 __snprintf_chk [call site] 00035
3 __snprintf_chk [call site] 00036
3 __snprintf_chk [call site] 00037
3 __snprintf_chk [call site] 00038
2 __bswap_64 [function] [call site] 00039
2 print_spi [function] [call site] 00040
2 print_map [function] [call site] 00041
3 __snprintf_chk [call site] 00042
3 strlcpy [function] [call site] 00043
4 strlen [call site] 00044
2 print_map [function] [call site] 00045
2 __bswap_32 [function] [call site] 00046
2 __bswap_32 [function] [call site] 00047
2 log_debug [function] [call site] 00048
3 vlog [function] [call site] 00049
4 __errno_location [call site] 00050
4 __asprintf_chk [call site] 00051
4 __vfprintf_chk [call site] 00052
4 __fprintf_chk [call site] 00053
4 __vfprintf_chk [call site] 00054
4 fflush [call site] 00055
4 __vsyslog_chk [call site] 00056
2 ibuf_size [function] [call site] 00057
2 __bswap_32 [function] [call site] 00058
2 log_debug [function] [call site] 00059
2 ikev2_pld_payloads [function] [call site] 00060
3 ibuf_data [function] [call site] 00061
3 ikev2_validate_pld [function] [call site] 00062
4 ibuf_data [function] [call site] 00063
4 log_debug [function] [call site] 00064
4 __bswap_16 [function] [call site] 00065
4 log_debug [function] [call site] 00066
4 log_debug [function] [call site] 00067
3 print_map [function] [call site] 00068
3 print_map [function] [call site] 00069
3 __bswap_16 [function] [call site] 00070
3 log_debug [function] [call site] 00071
3 __bswap_16 [function] [call site] 00072
3 ikev2_pld_sa [function] [call site] 00073
4 ibuf_data [function] [call site] 00074
4 ikev2_validate_sa [function] [call site] 00075
5 ibuf_data [function] [call site] 00076
5 log_debug [function] [call site] 00077
5 __bswap_16 [function] [call site] 00078
5 log_debug [function] [call site] 00079
5 log_debug [function] [call site] 00080
5 log_debug [function] [call site] 00081
5 log_debug [function] [call site] 00082
4 __bswap_16 [function] [call site] 00083
4 log_debug [function] [call site] 00084
4 log_debug [function] [call site] 00085
4 __bswap_32 [function] [call site] 00086
4 __bswap_64 [function] [call site] 00087
4 log_debug [function] [call site] 00088
4 log_debug [function] [call site] 00089
4 print_map [function] [call site] 00090
4 print_spi [function] [call site] 00091
4 log_debug [function] [call site] 00092
4 ikev2_msg_frompeer [function] [call site] 00093
5 ibuf_seek [function] [call site] 00094
6 ibuf_size [function] [call site] 00095
6 __errno_location [call site] 00096
4 config_add_proposal [function] [call site] 00097
4 log_debug [function] [call site] 00098
4 ikev2_pld_xform [function] [call site] 00099
5 ikev2_validate_xform [function] [call site] 00100
6 ibuf_data [function] [call site] 00101
6 log_debug [function] [call site] 00102
6 __bswap_16 [function] [call site] 00103
6 log_debug [function] [call site] 00104
6 log_debug [function] [call site] 00105
5 __bswap_16 [function] [call site] 00106
5 __bswap_16 [function] [call site] 00107
5 print_map [function] [call site] 00108
5 strlcpy [function] [call site] 00109
5 print_map [function] [call site] 00110
5 strlcpy [function] [call site] 00111
5 print_map [function] [call site] 00112
5 strlcpy [function] [call site] 00113
5 print_map [function] [call site] 00114
5 strlcpy [function] [call site] 00115
5 print_map [function] [call site] 00116
5 strlcpy [function] [call site] 00117
5 __snprintf_chk [call site] 00118
5 print_map [function] [call site] 00119
5 log_debug [function] [call site] 00120
5 ikev2_pld_attr [function] [call site] 00121
6 ibuf_data [function] [call site] 00122
6 ikev2_validate_attr [function] [call site] 00123
7 ibuf_data [function] [call site] 00124
7 log_debug [function] [call site] 00125
6 __bswap_16 [function] [call site] 00126
6 print_map [function] [call site] 00127
6 __bswap_16 [function] [call site] 00128
6 log_debug [function] [call site] 00129
6 __bswap_16 [function] [call site] 00130
6 __bswap_16 [function] [call site] 00131
6 __bswap_16 [function] [call site] 00132
6 log_debug [function] [call site] 00133
6 log_debug [function] [call site] 00134
6 print_hex [function] [call site] 00135
7 log_getverbose [function] [call site] 00136
7 print_debug [function] [call site] 00137
8 log_getverbose [function] [call site] 00138
8 __vfprintf_chk [call site] 00139
7 print_debug [function] [call site] 00140
7 print_debug [function] [call site] 00141
5 ikev2_msg_frompeer [function] [call site] 00142
5 __bswap_16 [function] [call site] 00143
5 config_add_transform [function] [call site] 00144
5 log_debug [function] [call site] 00145
5 log_debug [function] [call site] 00146
5 log_debug [function] [call site] 00147
4 ikev2_msg_frompeer [function] [call site] 00148
4 log_debug [function] [call site] 00149
4 config_free_proposal [function] [call site] 00150
4 log_debug [function] [call site] 00151
3 ikev2_pld_ke [function] [call site] 00152
4 ibuf_data [function] [call site] 00153
4 ikev2_validate_ke [function] [call site] 00154
5 ibuf_data [function] [call site] 00155
5 log_debug [function] [call site] 00156
4 __bswap_16 [function] [call site] 00157
4 print_map [function] [call site] 00158
4 __bswap_16 [function] [call site] 00159
4 log_debug [function] [call site] 00160
4 log_debug [function] [call site] 00161
4 print_hex [function] [call site] 00162
4 ikev2_msg_frompeer [function] [call site] 00163
4 log_info [function] [call site] 00164
5 vlog [function] [call site] 00165
4 ibuf_new [function] [call site] 00166
4 log_debug [function] [call site] 00167
4 __bswap_16 [function] [call site] 00168
3 ikev2_pld_id [function] [call site] 00169
4 ibuf_data [function] [call site] 00170
4 ikev2_validate_id [function] [call site] 00171
5 ibuf_data [function] [call site] 00172
5 log_debug [function] [call site] 00173
5 log_debug [function] [call site] 00174
4 ibuf_new [function] [call site] 00175
4 ikev2_print_id [function] [call site] 00176
4 ibuf_free [function] [call site] 00177
4 log_debug [function] [call site] 00178
4 log_debug [function] [call site] 00179
4 ikev2_msg_frompeer [function] [call site] 00180
4 ibuf_free [function] [call site] 00181
4 ibuf_free [function] [call site] 00182
4 log_debug [function] [call site] 00183
4 ibuf_free [function] [call site] 00184
4 log_debug [function] [call site] 00185
3 ikev2_pld_cert [function] [call site] 00186
4 ibuf_data [function] [call site] 00187
4 ikev2_validate_cert [function] [call site] 00188
5 ibuf_data [function] [call site] 00189
5 log_debug [function] [call site] 00190
5 log_debug [function] [call site] 00191
4 print_map [function] [call site] 00192
4 log_debug [function] [call site] 00193
4 print_hex [function] [call site] 00194
4 ikev2_msg_frompeer [function] [call site] 00195
4 ikev2_ikesa_info [function] [call site] 00196
4 log_debug [function] [call site] 00197
4 ikev2_ikesa_info [function] [call site] 00198
4 log_debug [function] [call site] 00199
4 ibuf_new [function] [call site] 00200
4 log_debug [function] [call site] 00201
3 ikev2_pld_certreq [function] [call site] 00202
4 ibuf_data [function] [call site] 00203
4 ikev2_validate_certreq [function] [call site] 00204
5 ibuf_data [function] [call site] 00205
5 log_debug [function] [call site] 00206
4 print_map [function] [call site] 00207
4 log_debug [function] [call site] 00208
4 print_hex [function] [call site] 00209
4 ikev2_msg_frompeer [function] [call site] 00210
4 log_info [function] [call site] 00211
4 log_info [function] [call site] 00212
4 calloc [call site] 00213
4 log_info [function] [call site] 00214
4 ibuf_new [function] [call site] 00215
4 log_info [function] [call site] 00216
3 ikev2_pld_auth [function] [call site] 00217
4 ibuf_data [function] [call site] 00218
4 ikev2_validate_auth [function] [call site] 00219
5 ibuf_data [function] [call site] 00220
5 log_debug [function] [call site] 00221
5 log_info [function] [call site] 00222
4 print_map [function] [call site] 00223
4 log_debug [function] [call site] 00224
4 print_hex [function] [call site] 00225
4 ikev2_msg_frompeer [function] [call site] 00226
4 log_debug [function] [call site] 00227
4 ibuf_free [function] [call site] 00228
4 ibuf_new [function] [call site] 00229
3 ikev2_pld_nonce [function] [call site] 00230
4 ibuf_data [function] [call site] 00231
4 log_debug [function] [call site] 00232
4 print_hex [function] [call site] 00233
4 ikev2_msg_frompeer [function] [call site] 00234
4 log_info [function] [call site] 00235
4 ibuf_new [function] [call site] 00236
4 log_debug [function] [call site] 00237
3 ikev2_pld_notify [function] [call site] 00238
4 ikev2_validate_notify [function] [call site] 00239
5 ibuf_data [function] [call site] 00240
5 log_debug [function] [call site] 00241
4 __bswap_16 [function] [call site] 00242
4 print_map [function] [call site] 00243
4 print_map [function] [call site] 00244
4 log_debug [function] [call site] 00245
4 ibuf_seek [function] [call site] 00246
4 print_hex [function] [call site] 00247
4 ikev2_msg_frompeer [function] [call site] 00248
4 log_debug [function] [call site] 00249
4 ikev2_msg_frompeer [function] [call site] 00250
4 ikev2_nat_detection [function] [call site] 00251
4 memcmp [call site] 00252
4 print_map [function] [call site] 00253
4 log_debug [function] [call site] 00254
4 print_hex [function] [call site] 00255
4 log_debug [function] [call site] 00256
4 sa_stateok [function] [call site] 00257
4 log_debug [function] [call site] 00258
4 sa_stateok [function] [call site] 00259
4 log_debug [function] [call site] 00260
4 sa_stateok [function] [call site] 00261
4 log_debug [function] [call site] 00262
4 log_debug [function] [call site] 00263
4 log_debug [function] [call site] 00264
4 log_debug [function] [call site] 00265
4 log_debug [function] [call site] 00266
4 log_debug [function] [call site] 00267
4 __memcpy_chk [call site] 00268
4 __bswap_32 [function] [call site] 00269
4 __memcpy_chk [call site] 00270
4 __bswap_64 [function] [call site] 00271
4 log_debug [function] [call site] 00272
4 print_map [function] [call site] 00273
4 print_spi [function] [call site] 00274
4 log_debug [function] [call site] 00275
4 log_debug [function] [call site] 00276
4 log_debug [function] [call site] 00277
4 log_debug [function] [call site] 00278
4 __bswap_16 [function] [call site] 00279
4 print_map [function] [call site] 00280
4 log_debug [function] [call site] 00281
4 log_debug [function] [call site] 00282
4 log_debug [function] [call site] 00283
4 log_debug [function] [call site] 00284
4 log_debug [function] [call site] 00285
4 log_debug [function] [call site] 00286
4 log_debug [function] [call site] 00287
4 log_debug [function] [call site] 00288
4 log_debug [function] [call site] 00289
4 log_debug [function] [call site] 00290
4 log_debug [function] [call site] 00291
4 log_debug [function] [call site] 00292
4 log_debug [function] [call site] 00293
4 ibuf_free [function] [call site] 00294
4 ibuf_new [function] [call site] 00295
4 log_debug [function] [call site] 00296
4 log_debug [function] [call site] 00297
4 log_debug [function] [call site] 00298
4 log_debug [function] [call site] 00299
4 print_hex [function] [call site] 00300
4 ibuf_free [function] [call site] 00301
4 ibuf_new [function] [call site] 00302
4 log_debug [function] [call site] 00303
4 log_debug [function] [call site] 00304
4 log_debug [function] [call site] 00305
4 log_debug [function] [call site] 00306
4 log_debug [function] [call site] 00307
4 log_debug [function] [call site] 00308
4 log_debug [function] [call site] 00309
4 __bswap_16 [function] [call site] 00310
4 print_map [function] [call site] 00311
4 log_debug [function] [call site] 00312
3 ikev2_pld_delete [function] [call site] 00313
4 ibuf_data [function] [call site] 00314
4 ikev2_validate_delete [function] [call site] 00315
5 ibuf_data [function] [call site] 00316
5 log_debug [function] [call site] 00317
5 log_info [function] [call site] 00318
4 ikev2_msg_frompeer [function] [call site] 00319
4 __bswap_16 [function] [call site] 00320
4 print_map [function] [call site] 00321
4 log_debug [function] [call site] 00322
4 log_debug [function] [call site] 00323
4 log_debug [function] [call site] 00324
4 print_hex [function] [call site] 00325
4 ibuf_new [function] [call site] 00326
3 ikev2_pld_tss [function] [call site] 00327
4 ikev2_validate_tss [function] [call site] 00328
5 ibuf_data [function] [call site] 00329
5 log_debug [function] [call site] 00330
4 log_debug [function] [call site] 00331
4 ikev2_validate_ts [function] [call site] 00332
5 ibuf_data [function] [call site] 00333
5 log_debug [function] [call site] 00334
5 __bswap_16 [function] [call site] 00335
5 log_debug [function] [call site] 00336
5 log_debug [function] [call site] 00337
4 print_map [function] [call site] 00338
4 __bswap_16 [function] [call site] 00339
4 __bswap_16 [function] [call site] 00340
4 __bswap_16 [function] [call site] 00341
4 log_debug [function] [call site] 00342
4 __bswap_16 [function] [call site] 00343
4 ikev2_pld_ts [function] [call site] 00344
5 ibuf_data [function] [call site] 00345
5 log_debug [function] [call site] 00346
5 log_debug [function] [call site] 00347
5 log_debug [function] [call site] 00348
5 print_addr [function] [call site] 00349
6 socket_getport [function] [call site] 00350
6 getnameinfo [call site] 00351
6 strlcat [function] [call site] 00352
7 strlen [call site] 00353
6 __snprintf_chk [call site] 00354
6 strlcat [function] [call site] 00355
5 log_debug [function] [call site] 00356
5 log_debug [function] [call site] 00357
3 ikev2_pld_e [function] [call site] 00358
4 ibuf_data [function] [call site] 00359
4 log_warn [function] [call site] 00360
5 __errno_location [call site] 00361
5 strerror [call site] 00362
5 logit [function] [call site] 00363
6 vlog [function] [call site] 00364
5 strerror [call site] 00365
5 __asprintf_chk [call site] 00366
5 vlog [function] [call site] 00367
5 strerror [call site] 00368
5 logit [function] [call site] 00369
5 vlog [function] [call site] 00370
4 config_free_fragments [function] [call site] 00371
4 ibuf_new [function] [call site] 00372
4 ikev2_msg_frompeer [function] [call site] 00373
4 ikev2_msg_decrypt [function] [call site] 00374
5 fprintf [call site] 00375
5 exit [call site] 00376
4 ikev2_msg_decrypt [function] [call site] 00377
4 ibuf_size [function] [call site] 00378
4 ikev2_pld_payloads [function] [call site] 00379
5 ikev2_pld_ef [function] [call site] 00380
6 ibuf_data [function] [call site] 00381
6 ikev2_validate_ef [function] [call site] 00382
7 ibuf_data [function] [call site] 00383
7 log_debug [function] [call site] 00384
6 __bswap_16 [function] [call site] 00385
6 __bswap_16 [function] [call site] 00386
6 log_debug [function] [call site] 00387
6 log_debug [function] [call site] 00388
6 log_debug [function] [call site] 00389
6 ibuf_new [function] [call site] 00390
6 ikev2_msg_decrypt [function] [call site] 00391
6 log_debug [function] [call site] 00392
6 ibuf_size [function] [call site] 00393
6 recallocarray [function] [call site] 00394
7 calloc [call site] 00395
7 __errno_location [call site] 00396
7 __errno_location [call site] 00397
7 getpagesize [call site] 00398
7 __explicit_bzero_chk [call site] 00399
6 log_info [function] [call site] 00400
6 calloc [call site] 00401
6 log_info [function] [call site] 00402
6 calloc [call site] 00403
6 log_debug [function] [call site] 00404
6 ibuf_seek [function] [call site] 00405
6 log_debug [function] [call site] 00406
6 ikev2_frags_reassemble [function] [call site] 00407
7 ibuf_new [function] [call site] 00408
7 log_debug [function] [call site] 00409
7 fatalx [function] [call site] 00410
8 vfatalc [function] [call site] 00411
9 __vsnprintf_chk [call site] 00412
9 strerror [call site] 00413
9 logit [function] [call site] 00414
9 logit [function] [call site] 00415
8 exit [call site] 00416
7 ibuf_seek [function] [call site] 00417
7 log_info [function] [call site] 00418
7 log_debug [function] [call site] 00419
7 ibuf_data [function] [call site] 00420
7 print_hex [function] [call site] 00421
7 ikev2_msg_flushqueue [function] [call site] 00422
7 ibuf_size [function] [call site] 00423
7 ikev2_pld_payloads [function] [call site] 00424
8 ikev2_pld_cp [function] [call site] 00425
9 ibuf_data [function] [call site] 00426
9 ikev2_validate_cp [function] [call site] 00427
10 ibuf_data [function] [call site] 00428
10 log_debug [function] [call site] 00429
9 print_map [function] [call site] 00430
9 log_debug [function] [call site] 00431
9 print_hex [function] [call site] 00432
9 log_debug [function] [call site] 00433
9 __bswap_16 [function] [call site] 00434
9 print_map [function] [call site] 00435
9 __bswap_16 [function] [call site] 00436
9 __bswap_16 [function] [call site] 00437
9 log_debug [function] [call site] 00438
9 __bswap_16 [function] [call site] 00439
9 log_debug [function] [call site] 00440
9 print_hex [function] [call site] 00441
9 __bswap_16 [function] [call site] 00442
9 ikev2_msg_frompeer [function] [call site] 00443
9 __bswap_16 [function] [call site] 00444
9 log_debug [function] [call site] 00445
9 log_debug [function] [call site] 00446
9 log_debug [function] [call site] 00447
9 calloc [call site] 00448
9 log_debug [function] [call site] 00449
9 print_addr [function] [call site] 00450
9 log_debug [function] [call site] 00451
9 print_addr [function] [call site] 00452
9 log_debug [function] [call site] 00453
9 print_addr [function] [call site] 00454
9 log_debug [function] [call site] 00455
9 ikev2_msg_frompeer [function] [call site] 00456
9 __bswap_16 [function] [call site] 00457
9 log_debug [function] [call site] 00458
9 log_debug [function] [call site] 00459
9 log_debug [function] [call site] 00460
9 calloc [call site] 00461
9 log_debug [function] [call site] 00462
9 print_addr [function] [call site] 00463
9 log_debug [function] [call site] 00464
9 print_addr [function] [call site] 00465
9 log_debug [function] [call site] 00466
9 print_addr [function] [call site] 00467
9 log_debug [function] [call site] 00468
9 __bswap_16 [function] [call site] 00469
9 ikev2_msg_frompeer [function] [call site] 00470
8 ikev2_pld_eap [function] [call site] 00471
9 ikev2_validate_eap [function] [call site] 00472
10 ibuf_data [function] [call site] 00473
10 log_debug [function] [call site] 00474
9 __bswap_16 [function] [call site] 00475
9 log_info [function] [call site] 00476
9 ikev2_ikesa_info [function] [call site] 00477
9 print_map [function] [call site] 00478
9 __bswap_16 [function] [call site] 00479
9 log_info [function] [call site] 00480
9 ibuf_seek [function] [call site] 00481
9 log_debug [function] [call site] 00482
9 ikev2_ikesa_info [function] [call site] 00483
9 print_map [function] [call site] 00484
9 __bswap_16 [function] [call site] 00485
9 print_map [function] [call site] 00486
9 log_info [function] [call site] 00487
9 eap_parse [function] [call site] 00488
8 print_hex [function] [call site] 00489
8 ikev2_msg_frompeer [function] [call site] 00490
8 ikev2_send_informational [function] [call site] 00491
7 config_free_fragments [function] [call site] 00492
7 ibuf_free [function] [call site] 00493
6 config_free_fragments [function] [call site] 00494
4 ibuf_free [function] [call site] 00495
1 ikev2_msg_cleanup [function] [call site] 00496
2 ibuf_free [function] [call site] 00497
2 ibuf_free [function] [call site] 00498
2 ibuf_free [function] [call site] 00499
2 ibuf_free [function] [call site] 00500
2 ibuf_free [function] [call site] 00501
2 ibuf_free [function] [call site] 00502
2 ibuf_free [function] [call site] 00503
2 ibuf_free [function] [call site] 00504
2 ibuf_free [function] [call site] 00505
2 ibuf_free [function] [call site] 00506
2 ibuf_free [function] [call site] 00507
2 ibuf_free [function] [call site] 00508