Fuzz introspector: fuzz_process
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
273 149 send_ra_forall call site: 00149 send_ra
104 33 check_device call site: 00033 update_device_info
6 6 addrtostr call site: 00006 __errno_location
5 438 process_ra call site: 00438 flog
5 449 process_ra call site: 00449 addrtostr
4 23 update_device_index call site: 00023 __errno_location
3 460 process_ra call site: 00460 check_dnssl_presence
2 15 process call site: 00015 flog
2 423 process_rs call site: 00423 reschedule_iface
1 19 process call site: 00019 dlog
1 142 process_rs call site: 00142 flog
1 145 process_rs call site: 00145 send_ra_forall

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 strcpy [call site] 00001
1 process [function] [call site] 00002
2 if_indextoname [call site] 00003
2 dlog [function] [call site] 00004
2 addrtostr [function] [call site] 00005
3 inet_ntop [call site] 00006
3 __errno_location [call site] 00007
3 strerror [call site] 00008
3 flog [function] [call site] 00009
3 strncpy [call site] 00010
2 flog [function] [call site] 00011
2 flog [function] [call site] 00012
2 flog [function] [call site] 00013
2 flog [function] [call site] 00014
2 htonl [call site] 00015
2 flog [function] [call site] 00016
2 flog [function] [call site] 00017
2 flog [function] [call site] 00018
2 find_iface_by_index [function] [call site] 00019
2 dlog [function] [call site] 00020
2 setup_iface [function] [call site] 00021
3 update_device_index [function] [call site] 00022
4 if_nametoindex [call site] 00023
4 __errno_location [call site] 00024
4 strerror [call site] 00025
4 flog [function] [call site] 00026
4 dlog [function] [call site] 00027
3 check_device [function] [call site] 00028
4 strlcpy [call site] 00029
4 ioctl [call site] 00030
4 __errno_location [call site] 00031
4 strerror [call site] 00032
4 flog [function] [call site] 00033
4 dlog [function] [call site] 00034
4 dlog [function] [call site] 00035
4 dlog [function] [call site] 00036
4 dlog [function] [call site] 00037
4 dlog [function] [call site] 00038
4 flog [function] [call site] 00039
4 dlog [function] [call site] 00040
3 update_device_info [function] [call site] 00041
4 strlcpy [call site] 00042
4 ioctl [call site] 00043
4 __errno_location [call site] 00044
4 strerror [call site] 00045
4 flog [function] [call site] 00046
4 dlog [function] [call site] 00047
4 dlog [function] [call site] 00048
4 dlog [function] [call site] 00049
4 get_interface_linkmtu [function] [call site] 00050
5 snprintf [call site] 00051
5 fopen [call site] 00052
5 __isoc23_fscanf [call site] 00053
5 __errno_location [call site] 00054
5 strerror [call site] 00055
5 flog [function] [call site] 00056
5 exit [call site] 00057
5 fclose [call site] 00058
5 flog [function] [call site] 00059
4 dlog [function] [call site] 00060
4 ioctl [call site] 00061
4 __errno_location [call site] 00062
4 strerror [call site] 00063
4 flog [function] [call site] 00064
4 hwstr [function] [call site] 00065
4 dlog [function] [call site] 00066
4 sprintf [call site] 00067
4 dlog [function] [call site] 00068
4 dlog [function] [call site] 00069
4 dlog [function] [call site] 00070
4 dlog [function] [call site] 00071
4 flog [function] [call site] 00072
4 memcmp [call site] 00073
4 flog [function] [call site] 00074
4 flog [function] [call site] 00075
4 dlog [function] [call site] 00076
4 dlog [function] [call site] 00077
4 dlog [function] [call site] 00078
3 check_iface [function] [call site] 00079
4 flog [function] [call site] 00080
4 check_ip6_iface_forwarding [function] [call site] 00081
5 snprintf [call site] 00082
5 fopen [call site] 00083
5 __isoc23_fscanf [call site] 00084
5 __errno_location [call site] 00085
5 strerror [call site] 00086
5 flog [function] [call site] 00087
5 exit [call site] 00088
5 fclose [call site] 00089
5 flog [function] [call site] 00090
4 flog [function] [call site] 00091
4 flog [function] [call site] 00092
4 flog [function] [call site] 00093
4 flog [function] [call site] 00094
4 flog [function] [call site] 00095
4 flog [function] [call site] 00096
4 flog [function] [call site] 00097
4 flog [function] [call site] 00098
4 flog [function] [call site] 00099
4 flog [function] [call site] 00100
4 flog [function] [call site] 00101
4 flog [function] [call site] 00102
4 flog [function] [call site] 00103
4 flog [function] [call site] 00104
3 setup_iface_addrs [function] [call site] 00105
4 get_iface_addrs [function] [call site] 00106
5 getifaddrs [call site] 00107
5 __errno_location [call site] 00108
5 strerror [call site] 00109
5 flog [function] [call site] 00110
5 strcmp [call site] 00111
5 realloc [call site] 00112
5 memcmp [call site] 00113
5 freeifaddrs [call site] 00114
5 realloc [call site] 00115
5 qsort [call site] 00116
5 cmp_iface_addrs [function] [call site] 00117
6 memcmp [call site] 00118
4 addrtostr [function] [call site] 00119
4 dlog [function] [call site] 00120
4 addrtostr [function] [call site] 00121
4 dlog [function] [call site] 00122
4 memcmp [call site] 00123
4 addrtostr [function] [call site] 00124
4 dlog [function] [call site] 00125
4 dlog [function] [call site] 00126
4 flog [function] [call site] 00127
3 dlog [function] [call site] 00128
3 setup_allrouters_membership [function] [call site] 00129
4 htonl [call site] 00130
4 htonl [call site] 00131
4 setsockopt [call site] 00132
4 __errno_location [call site] 00133
4 flog [function] [call site] 00134
3 dlog [function] [call site] 00135
2 flog [function] [call site] 00136
2 flog [function] [call site] 00137
2 dlog [function] [call site] 00138
2 process_rs [function] [call site] 00139
3 flog [function] [call site] 00140
3 flog [function] [call site] 00141
3 flog [function] [call site] 00142
3 flog [function] [call site] 00143
3 clock_gettime [call site] 00144
3 rand [call site] 00145
3 send_ra_forall [function] [call site] 00146
4 ensure_iface_setup [function] [call site] 00147
5 setup_iface [function] [call site] 00148
4 dlog [function] [call site] 00149
4 dlog [function] [call site] 00150
4 send_ra [function] [call site] 00151
5 dlog [function] [call site] 00152
5 clock_gettime [call site] 00153
5 update_iface_times [function] [call site] 00154
6 clock_gettime [call site] 00155
6 timespecdiff [function] [call site] 00156
6 flog [function] [call site] 00157
6 decrement_lifetime [function] [call site] 00158
6 decrement_lifetime [function] [call site] 00159
6 addrtostr [function] [call site] 00160
6 dlog [function] [call site] 00161
5 addrtostr [function] [call site] 00162
5 addrtostr [function] [call site] 00163
5 new_safe_buffer [function] [call site] 00164
5 check_ip6_forwarding [function] [call site] 00165
6 fopen [call site] 00166
6 __isoc23_fscanf [call site] 00167
6 __errno_location [call site] 00168
6 strerror [call site] 00169
6 flog [function] [call site] 00170
6 exit [call site] 00171
6 fclose [call site] 00172
6 flog [function] [call site] 00173
6 flog [function] [call site] 00174
5 add_ra_header [function] [call site] 00175
6 htons [call site] 00176
6 htonl [call site] 00177
6 htonl [call site] 00178
6 safe_buffer_append [function] [call site] 00179
7 safe_buffer_resize [function] [call site] 00180
8 flog [function] [call site] 00181
8 exit [call site] 00182
8 realloc [call site] 00183
5 build_ra_options [function] [call site] 00184
6 new_safe_buffer_list [function] [call site] 00185
7 new_safe_buffer [function] [call site] 00186
6 add_ra_options_prefix [function] [call site] 00187
7 memcmp [call site] 00188
7 dlog [function] [call site] 00189
7 add_auto_prefixes_6to4 [function] [call site] 00190
8 get_v4addr [function] [call site] 00191
9 socket [call site] 00192
9 __errno_location [call site] 00193
9 strerror [call site] 00194
9 flog [function] [call site] 00195
9 strlcpy [call site] 00196
9 ioctl [call site] 00197
9 __errno_location [call site] 00198
9 strerror [call site] 00199
9 flog [function] [call site] 00200
9 close [call site] 00201
9 inet_ntoa [call site] 00202
9 dlog [function] [call site] 00203
9 close [call site] 00204
8 flog [function] [call site] 00205
8 htons [call site] 00206
8 addrtostr [function] [call site] 00207
8 dlog [function] [call site] 00208
8 limit_prefix_lifetimes [function] [call site] 00209
9 get_prefix_lifetimes [function] [call site] 00210
8 schedule_option_prefix [function] [call site] 00211
9 schedule_helper [function] [call site] 00212
8 safe_buffer_list_append [function] [call site] 00213
9 new_safe_buffer_list [function] [call site] 00214
8 add_ra_option_prefix [function] [call site] 00215
9 htonl [call site] 00216
9 htonl [call site] 00217
9 htonl [call site] 00218
9 htonl [call site] 00219
9 safe_buffer_append [function] [call site] 00220
7 dlog [function] [call site] 00221
7 add_auto_prefixes [function] [call site] 00222
8 getifaddrs [call site] 00223
8 __errno_location [call site] 00224
8 strerror [call site] 00225
8 flog [function] [call site] 00226
8 strncmp [call site] 00227
8 flog [function] [call site] 00228
8 htonl [call site] 00229
8 get_prefix6 [function] [call site] 00230
8 get_prefix6 [function] [call site] 00231
8 memcmp [call site] 00232
8 memcmp [call site] 00233
8 count_mask [function] [call site] 00234
9 countbits [function] [call site] 00235
8 addrtostr [function] [call site] 00236
8 dlog [function] [call site] 00237
8 limit_prefix_lifetimes [function] [call site] 00238
8 schedule_option_prefix [function] [call site] 00239
8 safe_buffer_list_append [function] [call site] 00240
8 add_ra_option_prefix [function] [call site] 00241
8 freeifaddrs [call site] 00242
7 memcmp [call site] 00243
7 dlog [function] [call site] 00244
7 add_auto_prefixes [function] [call site] 00245
7 schedule_option_prefix [function] [call site] 00246
7 safe_buffer_list_append [function] [call site] 00247
7 limit_prefix_lifetimes [function] [call site] 00248
7 add_ra_option_prefix [function] [call site] 00249
6 add_ra_options_nat64prefix [function] [call site] 00250
7 safe_buffer_list_append [function] [call site] 00251
7 add_ra_option_nat64prefix [function] [call site] 00252
8 htons [call site] 00253
8 safe_buffer_append [function] [call site] 00254
6 add_ra_options_route [function] [call site] 00255
7 schedule_option_route [function] [call site] 00256
8 schedule_helper [function] [call site] 00257
7 htonl [call site] 00258
7 safe_buffer_list_append [function] [call site] 00259
7 safe_buffer_append [function] [call site] 00260
6 add_ra_options_rdnss [function] [call site] 00261
7 schedule_option_rdnss [function] [call site] 00262
8 schedule_helper [function] [call site] 00263
7 flog [function] [call site] 00264
7 htonl [call site] 00265
7 safe_buffer_list_append [function] [call site] 00266
7 safe_buffer_resize [function] [call site] 00267
7 safe_buffer_append [function] [call site] 00268
7 safe_buffer_append [function] [call site] 00269
6 add_ra_options_dnssl [function] [call site] 00270
7 new_safe_buffer [function] [call site] 00271
7 schedule_option_dnssl [function] [call site] 00272
8 schedule_helper [function] [call site] 00273
7 serialize_domain_names [function] [call site] 00274
8 serialize_domain_name [function] [call site] 00275
9 strchr [call site] 00276
9 strlen [call site] 00277
9 strchr [call site] 00278
9 flog [function] [call site] 00279
9 safe_buffer_resize [function] [call site] 00280
9 safe_buffer_append [function] [call site] 00281
9 safe_buffer_append [function] [call site] 00282
9 safe_buffer_append [function] [call site] 00283
7 flog [function] [call site] 00284
7 htonl [call site] 00285
7 safe_buffer_list_append [function] [call site] 00286
7 safe_buffer_resize [function] [call site] 00287
7 safe_buffer_append [function] [call site] 00288
7 safe_buffer_append [function] [call site] 00289
7 safe_buffer_pad [function] [call site] 00290
8 safe_buffer_resize [function] [call site] 00291
7 safe_buffer_free [function] [call site] 00292
6 add_ra_options_dnr [function] [call site] 00293
7 new_safe_buffer [function] [call site] 00294
7 schedule_option_dnr [function] [call site] 00295
8 schedule_helper [function] [call site] 00296
7 flog [function] [call site] 00297
7 serialize_domain_name [function] [call site] 00298
7 flog [function] [call site] 00299
7 flog [function] [call site] 00300
7 alpn_wire_len [function] [call site] 00301
8 strchr [call site] 00302
8 strlen [call site] 00303
8 flog [function] [call site] 00304
7 strlen [call site] 00305
7 flog [function] [call site] 00306
7 flog [function] [call site] 00307
7 htons [call site] 00308
7 htonl [call site] 00309
7 safe_buffer_list_append [function] [call site] 00310
7 safe_buffer_resize [function] [call site] 00311
7 safe_buffer_append [function] [call site] 00312
7 htons [call site] 00313
7 safe_buffer_append [function] [call site] 00314
7 safe_buffer_append [function] [call site] 00315
7 htons [call site] 00316
7 safe_buffer_append [function] [call site] 00317
7 safe_buffer_append [function] [call site] 00318
7 htons [call site] 00319
7 safe_buffer_append [function] [call site] 00320
7 htons [call site] 00321
7 htons [call site] 00322
7 safe_buffer_append [function] [call site] 00323
7 safe_buffer_append [function] [call site] 00324
7 alpn_wire_append [function] [call site] 00325
8 strchr [call site] 00326
8 strlen [call site] 00327
8 flog [function] [call site] 00328
8 safe_buffer_append [function] [call site] 00329
8 safe_buffer_append [function] [call site] 00330
7 htons [call site] 00331
7 htons [call site] 00332
7 htons [call site] 00333
7 safe_buffer_append [function] [call site] 00334
7 safe_buffer_append [function] [call site] 00335
7 safe_buffer_append [function] [call site] 00336
7 strlen [call site] 00337
7 htons [call site] 00338
7 htons [call site] 00339
7 safe_buffer_append [function] [call site] 00340
7 safe_buffer_append [function] [call site] 00341
7 safe_buffer_append [function] [call site] 00342
7 safe_buffer_pad [function] [call site] 00343
7 safe_buffer_free [function] [call site] 00344
6 schedule_option_mtu [function] [call site] 00345
7 schedule_helper [function] [call site] 00346
6 new_safe_buffer_list [function] [call site] 00347
6 add_ra_option_mtu [function] [call site] 00348
7 htonl [call site] 00349
7 safe_buffer_append [function] [call site] 00350
6 schedule_option_sllao [function] [call site] 00351
7 schedule_helper [function] [call site] 00352
6 new_safe_buffer_list [function] [call site] 00353
6 add_ra_option_sllao [function] [call site] 00354
7 safe_buffer_append [function] [call site] 00355
7 safe_buffer_append [function] [call site] 00356
7 safe_buffer_pad [function] [call site] 00357
6 schedule_option_mipv6_rtr_adv_interval [function] [call site] 00358
7 schedule_helper [function] [call site] 00359
6 new_safe_buffer_list [function] [call site] 00360
6 add_ra_option_mipv6_rtr_adv_interval [function] [call site] 00361
7 htonl [call site] 00362
7 safe_buffer_append [function] [call site] 00363
6 schedule_option_mipv6_home_agent_info [function] [call site] 00364
7 schedule_helper [function] [call site] 00365
6 new_safe_buffer_list [function] [call site] 00366
6 add_ra_option_mipv6_home_agent_info [function] [call site] 00367
7 htons [call site] 00368
7 htons [call site] 00369
7 safe_buffer_append [function] [call site] 00370
6 schedule_option_lowpanco [function] [call site] 00371
7 schedule_helper [function] [call site] 00372
6 new_safe_buffer_list [function] [call site] 00373
6 add_ra_option_lowpanco [function] [call site] 00374
7 htons [call site] 00375
7 safe_buffer_append [function] [call site] 00376
6 schedule_option_abro [function] [call site] 00377
7 schedule_helper [function] [call site] 00378
6 new_safe_buffer_list [function] [call site] 00379
6 add_ra_option_abro [function] [call site] 00380
7 htons [call site] 00381
7 htons [call site] 00382
7 htons [call site] 00383
7 safe_buffer_append [function] [call site] 00384
6 schedule_option_capport [function] [call site] 00385
7 schedule_helper [function] [call site] 00386
6 new_safe_buffer_list [function] [call site] 00387
6 add_ra_option_capport [function] [call site] 00388
7 strlen [call site] 00389
7 safe_buffer_append [function] [call site] 00390
7 safe_buffer_append [function] [call site] 00391
7 safe_buffer_pad [function] [call site] 00392
5 new_safe_buffer [function] [call site] 00393
5 safe_buffer_append [function] [call site] 00394
5 dlog [function] [call site] 00395
5 flog [function] [call site] 00396
5 safe_buffer_append [function] [call site] 00397
5 dlog [function] [call site] 00398
5 really_send [function] [call site] 00399
6 htons [call site] 00400
6 htonl [call site] 00401
6 sendmsg [call site] 00402
5 __errno_location [call site] 00403
5 __errno_location [call site] 00404
5 strerror [call site] 00405
5 flog [function] [call site] 00406
5 __errno_location [call site] 00407
5 strerror [call site] 00408
5 dlog [function] [call site] 00409
5 safe_buffer_free [function] [call site] 00410
5 safe_buffer_list_free [function] [call site] 00411
6 safe_buffer_free [function] [call site] 00412
5 safe_buffer_free [function] [call site] 00413
5 safe_buffer_free [function] [call site] 00414
5 safe_buffer_list_free [function] [call site] 00415
5 safe_buffer_free [function] [call site] 00416
4 memcmp [call site] 00417
4 send_ra [function] [call site] 00418
4 send_ra [function] [call site] 00419
4 get_debuglevel [function] [call site] 00420
4 addrtostr [function] [call site] 00421
4 dlog [function] [call site] 00422
3 timespecdiff [function] [call site] 00423
3 dlog [function] [call site] 00424
3 reschedule_iface [function] [call site] 00425
4 dlog [function] [call site] 00426
4 next_timespec [function] [call site] 00427
5 clock_gettime [call site] 00428
3 send_ra_forall [function] [call site] 00429
3 rand_between [function] [call site] 00430
4 rand [call site] 00431
3 reschedule_iface [function] [call site] 00432
3 dlog [function] [call site] 00433
2 memcmp [call site] 00434
2 dlog [function] [call site] 00435
2 dlog [function] [call site] 00436
2 process_ra [function] [call site] 00437
3 addrtostr [function] [call site] 00438
3 flog [function] [call site] 00439
3 ntohl [call site] 00440
3 flog [function] [call site] 00441
3 ntohl [call site] 00442
3 flog [function] [call site] 00443
3 flog [function] [call site] 00444
3 flog [function] [call site] 00445
3 flog [function] [call site] 00446
3 ntohl [call site] 00447
3 ntohl [call site] 00448
3 ntohl [call site] 00449
3 addr_match [function] [call site] 00450
4 memcmp [call site] 00451
3 addrtostr [function] [call site] 00452
3 flog [function] [call site] 00453
3 flog [function] [call site] 00454
3 flog [function] [call site] 00455
3 check_rdnss_presence [function] [call site] 00456
4 memcmp [call site] 00457
3 addrtostr [function] [call site] 00458
3 flog [function] [call site] 00459
3 flog [function] [call site] 00460
3 check_dnssl_presence [function] [call site] 00461
4 strcmp [call site] 00462
3 flog [function] [call site] 00463
3 strlen [call site] 00464
3 flog [function] [call site] 00465
3 strcat [call site] 00466
3 strncat [call site] 00467
3 dlog [function] [call site] 00468
3 dlog [function] [call site] 00469