Fuzz introspector: fuzz-packet
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
0 6 1 :

['avahi_free']

0 6 avahi_realloc call site: 00087 /src/avahi/avahi-common/malloc.c:148
0 0 None 10 118 avahi_get_type_from_subtype call site: 00000 /src/avahi/avahi-common/domain.c:317
0 0 None 8 80 avahi_get_type_from_subtype call site: 00000 /src/avahi/avahi-common/domain.c:328
0 0 None 6 42 avahi_is_valid_service_type_strict call site: 00288 /src/avahi/avahi-common/domain.c:284
0 0 None 6 42 avahi_get_type_from_subtype call site: 00000 /src/avahi/avahi-common/domain.c:341
0 0 None 6 23 avahi_unescape_label call site: 00053 /src/avahi/avahi-common/domain.c:81
0 0 None 4 271 avahi_service_name_split call site: 00271 /src/avahi/avahi-common/domain.c:528
0 0 None 4 271 avahi_service_name_split call site: 00272 /src/avahi/avahi-common/domain.c:542
0 0 None 4 271 avahi_service_name_split call site: 00278 /src/avahi/avahi-common/domain.c:551
0 0 None 4 271 avahi_service_name_split call site: 00278 /src/avahi/avahi-common/domain.c:563
0 0 None 4 271 avahi_service_name_split call site: 00280 /src/avahi/avahi-common/domain.c:571
0 0 None 4 98 avahi_record_is_valid call site: 00227 /src/avahi/avahi-core/rr.c:686

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 avahi_set_log_function [function] [call site] 00001
1 log_function [function] [call site] 00002
1 avahi_dns_packet_new [function] [call site] 00003
2 avahi_malloc [function] [call site] 00004
3 xmalloc [function] [call site] 00005
4 oom [function] [call site] 00006
5 strlen [call site] 00007
5 strlen [call site] 00008
5 abort [call site] 00009
3 __assert_fail [call site] 00010
1 avahi_dns_packet_check_valid [function] [call site] 00011
2 __assert_fail [call site] 00012
2 avahi_dns_packet_get_field [function] [call site] 00013
3 __assert_fail [call site] 00014
3 __assert_fail [call site] 00015
3 ntohs [call site] 00016
1 avahi_dns_packet_new [function] [call site] 00017
1 avahi_dns_packet_get_field [function] [call site] 00018
1 avahi_dns_packet_get_field [function] [call site] 00019
1 avahi_dns_packet_consume_key [function] [call site] 00020
2 __assert_fail [call site] 00021
2 avahi_dns_packet_consume_name [function] [call site] 00022
3 consume_labels [function] [call site] 00023
4 __assert_fail [call site] 00024
4 avahi_escape_label [function] [call site] 00025
5 __assert_fail [call site] 00026
5 __assert_fail [call site] 00027
5 __assert_fail [call site] 00028
5 __assert_fail [call site] 00029
5 __assert_fail [call site] 00030
2 avahi_dns_packet_consume_uint16 [function] [call site] 00031
3 __assert_fail [call site] 00032
3 __assert_fail [call site] 00033
2 avahi_dns_packet_consume_uint16 [function] [call site] 00034
2 avahi_key_new [function] [call site] 00035
3 __assert_fail [call site] 00036
3 avahi_new_internal [function] [call site] 00037
4 avahi_malloc [function] [call site] 00038
3 avahi_log_error [function] [call site] 00039
4 avahi_log_ap [function] [call site] 00040
5 vsnprintf [call site] 00041
5 fprintf [call site] 00042
3 avahi_normalize_name_strdup [function] [call site] 00043
4 __assert_fail [call site] 00044
4 avahi_normalize_name [function] [call site] 00045
5 __assert_fail [call site] 00046
5 __assert_fail [call site] 00047
5 __assert_fail [call site] 00048
5 avahi_unescape_label [function] [call site] 00049
6 __assert_fail [call site] 00050
6 __assert_fail [call site] 00051
6 __ctype_b_loc [call site] 00052
6 __ctype_b_loc [call site] 00053
6 __assert_fail [call site] 00054
6 avahi_utf8_valid [function] [call site] 00055
5 strlen [call site] 00056
5 avahi_escape_label [function] [call site] 00057
4 avahi_strdup [function] [call site] 00058
5 strlen [call site] 00059
5 avahi_malloc [function] [call site] 00060
3 avahi_log_error [function] [call site] 00061
3 avahi_free [function] [call site] 00062
2 avahi_key_is_valid [function] [call site] 00063
3 __assert_fail [call site] 00064
3 avahi_is_valid_domain_name [function] [call site] 00065
4 __assert_fail [call site] 00066
4 strlen [call site] 00067
4 avahi_unescape_label [function] [call site] 00068
2 avahi_key_unref [function] [call site] 00069
3 __assert_fail [call site] 00070
3 __assert_fail [call site] 00071
3 avahi_free [function] [call site] 00072
3 avahi_free [function] [call site] 00073
1 avahi_key_to_string [function] [call site] 00074
2 __assert_fail [call site] 00075
2 __assert_fail [call site] 00076
2 avahi_dns_class_to_string [function] [call site] 00077
2 snprintf [call site] 00078
2 avahi_dns_type_to_string [function] [call site] 00079
2 snprintf [call site] 00080
2 avahi_strdup_printf [function] [call site] 00081
3 __assert_fail [call site] 00082
3 avahi_strdup_vprintf [function] [call site] 00083
4 __assert_fail [call site] 00084
4 avahi_malloc [function] [call site] 00085
4 vsnprintf [call site] 00086
4 avahi_realloc [function] [call site] 00087
5 avahi_free [function] [call site] 00088
5 xrealloc [function] [call site] 00089
6 realloc [call site] 00090
6 oom [function] [call site] 00091
5 __assert_fail [call site] 00092
1 avahi_free [function] [call site] 00093
1 domain_ends_with_mdns_suffix [function] [call site] 00094
2 avahi_domain_ends_with [function] [call site] 00095
3 __assert_fail [call site] 00096
3 __assert_fail [call site] 00097
3 avahi_domain_equal [function] [call site] 00098
4 avahi_unescape_label [function] [call site] 00099
4 __assert_fail [call site] 00100
4 avahi_unescape_label [function] [call site] 00101
4 __assert_fail [call site] 00102
4 strcasecmp [call site] 00103
3 avahi_unescape_label [function] [call site] 00104
2 avahi_domain_ends_with [function] [call site] 00105
2 avahi_domain_ends_with [function] [call site] 00106
1 avahi_dns_packet_append_key [function] [call site] 00107
2 __assert_fail [call site] 00108
2 __assert_fail [call site] 00109
2 avahi_dns_packet_append_name [function] [call site] 00110
3 __assert_fail [call site] 00111
3 __assert_fail [call site] 00112
3 avahi_dns_packet_extend [function] [call site] 00113
4 __assert_fail [call site] 00114
3 avahi_hashmap_lookup [function] [call site] 00115
4 __assert_fail [call site] 00116
4 entry_get [function] [call site] 00117
3 __assert_fail [call site] 00118
3 avahi_dns_packet_extend [function] [call site] 00119
3 avahi_unescape_label [function] [call site] 00120
3 avahi_dns_packet_append_string [function] [call site] 00121
4 __assert_fail [call site] 00122
4 __assert_fail [call site] 00123
4 strlen [call site] 00124
4 avahi_dns_packet_extend [function] [call site] 00125
3 avahi_hashmap_new [function] [call site] 00126
4 __assert_fail [call site] 00127
4 avahi_new0_internal [function] [call site] 00128
5 avahi_malloc0 [function] [call site] 00129
6 xcalloc [function] [call site] 00130
7 calloc [call site] 00131
7 oom [function] [call site] 00132
6 __assert_fail [call site] 00133
3 avahi_free [function] [call site] 00134
3 avahi_strdup [function] [call site] 00135
3 avahi_log_error [function] [call site] 00136
3 avahi_hashmap_insert [function] [call site] 00137
4 __assert_fail [call site] 00138
4 entry_get [function] [call site] 00139
4 avahi_new_internal [function] [call site] 00140
4 __assert_fail [call site] 00141
4 __assert_fail [call site] 00142
3 avahi_dns_packet_extend [function] [call site] 00143
3 avahi_dns_packet_cleanup_name_table [function] [call site] 00144
4 avahi_hashmap_foreach [function] [call site] 00145
5 __assert_fail [call site] 00146
5 __assert_fail [call site] 00147
4 name_table_cleanup [function] [call site] 00148
5 avahi_hashmap_remove [function] [call site] 00149
6 entry_get [function] [call site] 00150
6 entry_free [function] [call site] 00151
7 __assert_fail [call site] 00152
7 __assert_fail [call site] 00153
7 __assert_fail [call site] 00154
2 avahi_dns_packet_append_uint16 [function] [call site] 00155
3 __assert_fail [call site] 00156
3 avahi_dns_packet_extend [function] [call site] 00157
2 avahi_dns_packet_append_uint16 [function] [call site] 00158
2 avahi_dns_packet_cleanup_name_table [function] [call site] 00159
1 avahi_key_unref [function] [call site] 00160
1 avahi_dns_packet_inc_field [function] [call site] 00161
2 __assert_fail [call site] 00162
2 avahi_dns_packet_get_field [function] [call site] 00163
1 copy_rrs [function] [call site] 00164
2 avahi_dns_packet_get_field [function] [call site] 00165
2 avahi_dns_packet_consume_record [function] [call site] 00166
3 __assert_fail [call site] 00167
3 avahi_dns_packet_consume_name [function] [call site] 00168
3 avahi_dns_packet_consume_uint16 [function] [call site] 00169
3 avahi_dns_packet_consume_uint16 [function] [call site] 00170
3 avahi_dns_packet_consume_uint32 [function] [call site] 00171
4 __assert_fail [call site] 00172
4 __assert_fail [call site] 00173
3 avahi_dns_packet_consume_uint16 [function] [call site] 00174
3 avahi_record_new_full [function] [call site] 00175
4 avahi_key_new [function] [call site] 00176
4 avahi_log_error [function] [call site] 00177
4 avahi_record_new [function] [call site] 00178
5 __assert_fail [call site] 00179
5 avahi_new_internal [function] [call site] 00180
5 avahi_log_error [function] [call site] 00181
4 avahi_key_unref [function] [call site] 00182
4 avahi_log_error [function] [call site] 00183
3 parse_rdata [function] [call site] 00184
4 __assert_fail [call site] 00185
4 __assert_fail [call site] 00186
4 avahi_dns_packet_get_rptr [function] [call site] 00187
5 __assert_fail [call site] 00188
4 avahi_dns_packet_consume_name [function] [call site] 00189
4 avahi_strdup [function] [call site] 00190
4 avahi_dns_packet_consume_uint16 [function] [call site] 00191
4 avahi_dns_packet_consume_uint16 [function] [call site] 00192
4 avahi_dns_packet_consume_uint16 [function] [call site] 00193
4 avahi_dns_packet_consume_name [function] [call site] 00194
4 avahi_strdup [function] [call site] 00195
4 avahi_dns_packet_consume_string [function] [call site] 00196
5 __assert_fail [call site] 00197
5 __assert_fail [call site] 00198
5 __assert_fail [call site] 00199
4 avahi_strdup [function] [call site] 00200
4 avahi_dns_packet_consume_string [function] [call site] 00201
4 avahi_strdup [function] [call site] 00202
4 avahi_dns_packet_get_rptr [function] [call site] 00203
4 avahi_string_list_parse [function] [call site] 00204
5 __assert_fail [call site] 00205
5 __assert_fail [call site] 00206
5 avahi_string_list_add_arbitrary [function] [call site] 00207
6 avahi_string_list_add_anonymous [function] [call site] 00208
7 avahi_malloc [function] [call site] 00209
5 avahi_string_list_free [function] [call site] 00210
6 avahi_free [function] [call site] 00211
4 avahi_dns_packet_skip [function] [call site] 00212
5 __assert_fail [call site] 00213
4 avahi_dns_packet_consume_bytes [function] [call site] 00214
5 __assert_fail [call site] 00215
5 __assert_fail [call site] 00216
5 __assert_fail [call site] 00217
4 avahi_dns_packet_consume_bytes [function] [call site] 00218
4 avahi_dns_packet_get_rptr [function] [call site] 00219
4 avahi_memdup [function] [call site] 00220
5 __assert_fail [call site] 00221
5 avahi_malloc [function] [call site] 00222
4 avahi_dns_packet_skip [function] [call site] 00223
4 avahi_dns_packet_get_rptr [function] [call site] 00224
3 avahi_record_is_valid [function] [call site] 00225
4 __assert_fail [call site] 00226
4 avahi_key_is_valid [function] [call site] 00227
4 avahi_is_valid_domain_name [function] [call site] 00228
4 avahi_is_valid_domain_name [function] [call site] 00229
4 strlen [call site] 00230
4 strlen [call site] 00231
3 avahi_record_unref [function] [call site] 00232
4 __assert_fail [call site] 00233
4 avahi_free [function] [call site] 00234
4 avahi_free [function] [call site] 00235
4 avahi_free [function] [call site] 00236
4 avahi_free [function] [call site] 00237
4 avahi_string_list_free [function] [call site] 00238
4 avahi_free [function] [call site] 00239
4 avahi_key_unref [function] [call site] 00240
4 avahi_free [function] [call site] 00241
2 avahi_record_to_string [function] [call site] 00242
3 __assert_fail [call site] 00243
3 __assert_fail [call site] 00244
3 inet_ntop [call site] 00245
3 inet_ntop [call site] 00246
3 avahi_string_list_to_string [function] [call site] 00247
4 avahi_new_internal [function] [call site] 00248
4 avahi_string_list_reverse [function] [call site] 00249
4 __assert_fail [call site] 00250
4 avahi_string_list_reverse [function] [call site] 00251
3 snprintf [call site] 00252
3 snprintf [call site] 00253
3 snprintf [call site] 00254
3 strchr [call site] 00255
3 sprintf [call site] 00256
3 strchr [call site] 00257
3 avahi_key_to_string [function] [call site] 00258
3 avahi_strdup_printf [function] [call site] 00259
3 avahi_free [function] [call site] 00260
3 avahi_free [function] [call site] 00261
2 avahi_free [function] [call site] 00262
2 domain_ends_with_mdns_suffix [function] [call site] 00263
2 avahi_service_name_split [function] [call site] 00264
3 __assert_fail [call site] 00265
3 __assert_fail [call site] 00266
3 __assert_fail [call site] 00267
3 __assert_fail [call site] 00268
3 __assert_fail [call site] 00269
3 __assert_fail [call site] 00270
3 avahi_unescape_label [function] [call site] 00271
3 strlcpy [function] [call site] 00272
4 __assert_fail [call site] 00273
4 __assert_fail [call site] 00274
4 strncpy [call site] 00275
4 strlen [call site] 00276
3 strlen [call site] 00277
3 avahi_escape_label [function] [call site] 00278
3 strlen [call site] 00279
3 avahi_escape_label [function] [call site] 00280
3 avahi_is_valid_service_name [function] [call site] 00281
4 __assert_fail [call site] 00282
4 strlen [call site] 00283
4 avahi_utf8_valid [function] [call site] 00284
3 avahi_is_valid_service_type_strict [function] [call site] 00285
4 __assert_fail [call site] 00286
4 strlen [call site] 00287
4 avahi_unescape_label [function] [call site] 00288
4 strlen [call site] 00289
4 avahi_unescape_label [function] [call site] 00290
4 strcasecmp [call site] 00291
3 avahi_is_valid_domain_name [function] [call site] 00292
2 avahi_service_name_join [function] [call site] 00293
3 __assert_fail [call site] 00294
3 avahi_is_valid_service_name [function] [call site] 00295
3 avahi_is_valid_service_type_generic [function] [call site] 00296
4 __assert_fail [call site] 00297
4 avahi_unescape_label [function] [call site] 00298
4 strlen [call site] 00299
3 avahi_is_valid_domain_name [function] [call site] 00300
3 strlen [call site] 00301
3 avahi_escape_label [function] [call site] 00302
3 avahi_normalize_name [function] [call site] 00303
3 avahi_normalize_name [function] [call site] 00304
3 snprintf [call site] 00305
2 __assert_fail [call site] 00306
2 avahi_service_name_split [function] [call site] 00307
2 avahi_service_name_join [function] [call site] 00308
2 __assert_fail [call site] 00309
2 avahi_dns_packet_append_record [function] [call site] 00310
3 __assert_fail [call site] 00311
3 __assert_fail [call site] 00312
3 avahi_dns_packet_append_name [function] [call site] 00313
3 avahi_dns_packet_append_uint16 [function] [call site] 00314
3 avahi_dns_packet_append_uint16 [function] [call site] 00315
3 avahi_dns_packet_append_uint32 [function] [call site] 00316
4 avahi_dns_packet_extend [function] [call site] 00317
3 avahi_dns_packet_append_uint16 [function] [call site] 00318
3 avahi_dns_packet_extend [function] [call site] 00319
3 append_rdata [function] [call site] 00320
4 __assert_fail [call site] 00321
4 __assert_fail [call site] 00322
4 avahi_dns_packet_append_name [function] [call site] 00323
4 avahi_dns_packet_append_uint16 [function] [call site] 00324
4 avahi_dns_packet_append_uint16 [function] [call site] 00325
4 avahi_dns_packet_append_uint16 [function] [call site] 00326
4 avahi_dns_packet_append_name [function] [call site] 00327
4 avahi_dns_packet_append_string [function] [call site] 00328
4 avahi_dns_packet_append_string [function] [call site] 00329
4 avahi_string_list_serialize [function] [call site] 00330
5 avahi_string_list_reverse [function] [call site] 00331
5 avahi_string_list_reverse [function] [call site] 00332
4 avahi_dns_packet_extend [function] [call site] 00333
4 avahi_string_list_serialize [function] [call site] 00334
4 avahi_dns_packet_append_bytes [function] [call site] 00335
5 __assert_fail [call site] 00336
5 __assert_fail [call site] 00337
5 avahi_dns_packet_extend [function] [call site] 00338
4 avahi_dns_packet_append_bytes [function] [call site] 00339
4 avahi_dns_packet_append_bytes [function] [call site] 00340
3 avahi_dns_packet_extend [function] [call site] 00341
3 __assert_fail [call site] 00342
3 avahi_dns_packet_cleanup_name_table [function] [call site] 00343
2 avahi_record_unref [function] [call site] 00344
2 avahi_dns_packet_inc_field [function] [call site] 00345
1 copy_rrs [function] [call site] 00346
1 copy_rrs [function] [call site] 00347
1 avahi_dns_packet_free [function] [call site] 00348
2 __assert_fail [call site] 00349
2 avahi_hashmap_free [function] [call site] 00350
3 __assert_fail [call site] 00351
3 entry_free [function] [call site] 00352
3 avahi_free [function] [call site] 00353
2 avahi_free [function] [call site] 00354
1 avahi_dns_packet_free [function] [call site] 00355