Fuzz introspector: flb-it-fuzz-record_ac_fuzzer_OSSFUZZ
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
339 339 3 :

['flb_env_create', 'flb_env_destroy', 'flb_env_var_translate']

341 1157 flb_ra_create call site: 00076 /src/fluent-bit/src/flb_record_accessor.c:283
90 90 8 :

['flb_ra_restart', 'clearerr', 'fread', 'flb_ra_realloc', 'ferror', '__errno_location', 'getc', 'yy_fatal_error']

90 90 yy_get_next_buffer call site: 00292 /src/fluent-bit/build/src/record_accessor/ra_lex.c:1239
65 65 2 :

['flb_pipe_write_all', 'perror']

65 65 flb_log_print call site: 00021 /src/fluent-bit/src/flb_log.c:647
2 217 5 :

['flb_errno_print', 'flb_free.33', '__errno_location', 'flb_realloc', 'flb_msgpack_to_json']

2 217 flb_msgpack_to_json_str call site: 00407 /src/fluent-bit/src/flb_pack.c:1133
2 65 3 :

['__errno_location', 'flb_errno_print', 'flb_realloc']

2 177 pack_string_token call site: 00040 /src/fluent-bit/src/flb_pack.c:125
2 2 1 :

['__errno_location']

2 2 flb_ra_lex_init call site: 00244 /src/fluent-bit/build/src/record_accessor/ra_lex.c:2063
2 2 1 :

['flb_worker_log_level']

2 2 flb_log_check call site: 00011 /src/fluent-bit/include/fluent-bit/flb_log.h:105
0 5 1 :

['flb_sds_destroy']

0 23 flb_ra_create call site: 00191 /src/fluent-bit/src/flb_record_accessor.c:333
0 5 1 :

['flb_sds_destroy']

0 5 flb_ra_create call site: 00184 /src/fluent-bit/src/flb_record_accessor.c:311
0 5 1 :

['flb_sds_destroy']

0 5 flb_ra_create call site: 00189 /src/fluent-bit/src/flb_record_accessor.c:320
0 2 1 :

['octal_digit']

2 4 u8_read_escape_sequence call site: 00047 /src/fluent-bit/src/flb_unescape.c:91
0 0 None 19 184 flb_ra_lex call site: 00288 /src/fluent-bit/build/src/record_accessor/ra_lex.c:964

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 get_null_terminated [function] [call site] 00001
2 flb_malloc [function] [call site] 00002
3 flb_fuzz_get_probability [function] [call site] 00003
1 flb_pack_json [function] [call site] 00004
2 pack_json_to_msgpack [function] [call site] 00005
3 flb_pack_state_init [function] [call site] 00006
4 flb_malloc [function] [call site] 00007
4 __errno_location [call site] 00008
4 flb_errno_print [function] [call site] 00009
5 __xpg_strerror_r [call site] 00010
5 flb_log_check [function] [call site] 00011
6 flb_worker_log_level [function] [call site] 00012
5 flb_log_print [function] [call site] 00013
6 flb_log_construct [function] [call site] 00014
7 isatty [call site] 00015
7 time [call site] 00016
7 localtime_r [call site] 00017
7 snprintf [call site] 00018
7 vsnprintf [call site] 00019
7 strlen [call site] 00020
6 flb_worker_get [function] [call site] 00021
6 flb_pipe_write_all [function] [call site] 00022
7 write [call site] 00023
7 __errno_location [call site] 00024
7 flb_time_msleep [function] [call site] 00025
8 nanosleep [call site] 00026
7 __errno_location [call site] 00027
7 flb_errno_print [function] [call site] 00028
6 fprintf [call site] 00029
6 perror [call site] 00030
6 fprintf [call site] 00031
4 flb_malloc [function] [call site] 00032
4 __errno_location [call site] 00033
4 flb_errno_print [function] [call site] 00034
3 flb_json_tokenise [function] [call site] 00036
4 __errno_location [call site] 00037
4 flb_errno_print [function] [call site] 00038
3 tokens_to_msgpack [function] [call site] 00039
4 pack_string_token [function] [call site] 00040
5 flb_realloc [function] [call site] 00041
6 realloc [call site] 00042
5 __errno_location [call site] 00043
5 flb_errno_print [function] [call site] 00044
5 flb_unescape_string_utf8 [function] [call site] 00045
6 u8_read_escape_sequence [function] [call site] 00046
7 octal_digit [function] [call site] 00047
7 octal_digit [function] [call site] 00048
7 strtol [call site] 00049
7 hex_digit [function] [call site] 00050
7 strtol [call site] 00051
7 hex_digit [function] [call site] 00052
7 strtol [call site] 00053
7 hex_digit [function] [call site] 00054
7 strtol [call site] 00055
6 u8_wc_toutf8 [function] [call site] 00056
6 flb_log_check [function] [call site] 00057
6 flb_log_print [function] [call site] 00058
6 flb_log_check [function] [call site] 00059
6 flb_log_print [function] [call site] 00060
4 atof [call site] 00062
4 atoll [call site] 00063
3 flb_pack_state_reset [function] [call site] 00064
1 get_null_terminated [function] [call site] 00069
1 flb_sds_create [function] [call site] 00070
2 flb_sds_create_len [function] [call site] 00071
3 sds_alloc [function] [call site] 00072
4 flb_malloc [function] [call site] 00073
4 __errno_location [call site] 00074
4 flb_errno_print [function] [call site] 00075
1 flb_ra_create [function] [call site] 00076
2 flb_env_create [function] [call site] 00077
3 flb_malloc [function] [call site] 00078
3 __errno_location [call site] 00079
3 flb_errno_print [function] [call site] 00080
3 flb_hash_table_create [function] [call site] 00081
4 flb_malloc [function] [call site] 00082
4 __errno_location [call site] 00083
4 flb_errno_print [function] [call site] 00084
4 flb_calloc [function] [call site] 00085
5 flb_fuzz_get_probability [function] [call site] 00086
5 calloc [call site] 00087
4 __errno_location [call site] 00088
4 flb_errno_print [function] [call site] 00089
3 env_preset [function] [call site] 00092
4 getenv [call site] 00093
4 gethostname [call site] 00094
4 flb_env_set [function] [call site] 00095
5 strlen [call site] 00096
5 strlen [call site] 00097
5 flb_hash_table_get [function] [call site] 00098
6 hash_get_entry [function] [call site] 00099
7 strncmp [call site] 00100
7 strncmp [call site] 00101
6 time [call site] 00102
6 flb_hash_table_entry_free [function] [call site] 00103
5 flb_hash_table_del [function] [call site] 00107
6 strlen [call site] 00108
6 strcmp [call site] 00109
6 strcmp [call site] 00110
6 flb_hash_table_entry_free [function] [call site] 00111
5 flb_hash_table_add [function] [call site] 00112
6 flb_hash_table_evict_older [function] [call site] 00113
7 flb_hash_table_entry_free [function] [call site] 00114
6 flb_hash_table_evict_less_used [function] [call site] 00115
7 flb_hash_table_entry_free [function] [call site] 00116
6 flb_hash_table_evict_random [function] [call site] 00117
7 random [call site] 00118
7 flb_hash_table_entry_free [function] [call site] 00119
6 hash_get_entry [function] [call site] 00120
6 entry_set_value [function] [call site] 00121
7 flb_malloc [function] [call site] 00123
7 __errno_location [call site] 00124
7 flb_errno_print [function] [call site] 00125
7 time [call site] 00126
6 flb_calloc [function] [call site] 00127
6 __errno_location [call site] 00128
6 flb_errno_print [function] [call site] 00129
6 time [call site] 00130
6 flb_strndup [function] [call site] 00131
7 flb_malloc [function] [call site] 00132
6 entry_set_value [function] [call site] 00133
2 flb_log_check [function] [call site] 00135
2 flb_log_print [function] [call site] 00136
2 flb_env_var_translate [function] [call site] 00137
3 strlen [call site] 00138
3 flb_sds_create_size [function] [call site] 00139
4 sds_alloc [function] [call site] 00140
3 strstr [call site] 00141
3 strstr [call site] 00142
3 strncpy [call site] 00143
3 buf_append [function] [call site] 00144
4 flb_sds_cat [function] [call site] 00145
5 flb_sds_avail [function] [call site] 00146
5 flb_sds_increase [function] [call site] 00147
6 flb_sds_alloc [function] [call site] 00148
6 flb_realloc [function] [call site] 00149
6 flb_errno_print [function] [call site] 00150
5 flb_sds_len [function] [call site] 00151
3 flb_sds_destroy [function] [call site] 00152
3 flb_env_get [function] [call site] 00154
4 strlen [call site] 00155
4 flb_hash_table_get [function] [call site] 00156
4 getenv [call site] 00157
4 strlen [call site] 00158
3 strlen [call site] 00159
3 buf_append [function] [call site] 00160
3 flb_sds_destroy [function] [call site] 00161
3 flb_log_check [function] [call site] 00162
3 flb_log_print [function] [call site] 00163
3 buf_append [function] [call site] 00164
3 flb_sds_destroy [function] [call site] 00165
3 flb_sds_len [function] [call site] 00166
3 flb_sds_copy [function] [call site] 00167
4 flb_sds_alloc [function] [call site] 00168
4 flb_sds_increase [function] [call site] 00169
3 flb_sds_copy [function] [call site] 00170
2 flb_log_check [function] [call site] 00171
2 flb_log_print [function] [call site] 00172
2 flb_env_destroy [function] [call site] 00173
3 flb_hash_table_destroy [function] [call site] 00174
4 flb_hash_table_entry_free [function] [call site] 00175
2 flb_env_destroy [function] [call site] 00179
2 flb_calloc [function] [call site] 00180
2 __errno_location [call site] 00181
2 flb_errno_print [function] [call site] 00182
2 flb_log_check [function] [call site] 00183
2 flb_log_print [function] [call site] 00184
2 flb_sds_destroy [function] [call site] 00185
2 flb_sds_create [function] [call site] 00186
2 flb_log_check [function] [call site] 00187
2 flb_log_print [function] [call site] 00188
2 flb_sds_destroy [function] [call site] 00190
2 ra_parse_buffer [function] [call site] 00191
3 flb_sds_len [function] [call site] 00192
3 ra_parse_string [function] [call site] 00193
4 flb_ra_parser_string_create [function] [call site] 00194
5 flb_ra_parser_create [function] [call site] 00195
6 flb_calloc [function] [call site] 00196
6 __errno_location [call site] 00197
6 flb_errno_print [function] [call site] 00198
6 flb_malloc [function] [call site] 00199
6 __errno_location [call site] 00200
6 flb_errno_print [function] [call site] 00201
5 flb_log_check [function] [call site] 00203
5 flb_log_print [function] [call site] 00204
5 flb_malloc [function] [call site] 00205
5 __errno_location [call site] 00206
5 flb_errno_print [function] [call site] 00207
5 flb_ra_parser_destroy [function] [call site] 00208
6 flb_sds_destroy [function] [call site] 00209
6 ra_parser_subentry_destroy_all [function] [call site] 00210
6 ra_parser_subentry_destroy_all [function] [call site] 00214
5 flb_sds_create_len [function] [call site] 00216
5 flb_ra_parser_destroy [function] [call site] 00217
3 __ctype_b_loc [call site] 00218
3 atoi [call site] 00219
3 flb_ra_parser_regex_id_create [function] [call site] 00220
4 flb_ra_parser_create [function] [call site] 00221
4 flb_log_check [function] [call site] 00222
4 flb_log_print [function] [call site] 00223
3 strncmp [call site] 00224
3 atoi [call site] 00225
3 flb_ra_parser_tag_part_create [function] [call site] 00226
4 flb_ra_parser_create [function] [call site] 00227
4 flb_log_check [function] [call site] 00228
4 flb_log_print [function] [call site] 00229
3 flb_ra_parser_tag_create [function] [call site] 00230
4 flb_ra_parser_create [function] [call site] 00231
4 flb_log_check [function] [call site] 00232
4 flb_log_print [function] [call site] 00233
3 ra_parse_meta [function] [call site] 00234
4 flb_ra_parser_meta_create [function] [call site] 00235
5 flb_ra_parser_create [function] [call site] 00236
5 flb_log_check [function] [call site] 00237
5 flb_log_print [function] [call site] 00238
5 __errno_location [call site] 00239
5 flb_errno_print [function] [call site] 00240
5 flb_ra_parser_destroy [function] [call site] 00241
5 flb_ra_lex_init [function] [call site] 00242
6 __errno_location [call site] 00243
6 flb_ra_alloc [function] [call site] 00244
6 __errno_location [call site] 00245
6 yy_init_globals [function] [call site] 00246
5 flb_ra__scan_string [function] [call site] 00247
6 strlen [call site] 00248
6 flb_ra__scan_bytes [function] [call site] 00249
7 flb_ra_alloc [function] [call site] 00250
7 yy_fatal_error [function] [call site] 00251
8 fprintf [call site] 00252
8 exit [call site] 00253
7 flb_ra__scan_buffer [function] [call site] 00254
8 flb_ra_alloc [function] [call site] 00255
8 yy_fatal_error [function] [call site] 00256
8 flb_ra__switch_to_buffer [function] [call site] 00257
9 flb_ra_ensure_buffer_stack [function] [call site] 00258
10 flb_ra_alloc [function] [call site] 00259
10 yy_fatal_error [function] [call site] 00260
10 flb_ra_realloc [function] [call site] 00261
11 realloc [call site] 00262
10 yy_fatal_error [function] [call site] 00263
9 flb_ra__load_buffer_state [function] [call site] 00264
7 yy_fatal_error [function] [call site] 00265
5 flb_ra_parse [function] [call site] 00266
6 flb_ra_lex [function] [call site] 00267
7 flb_ra_ensure_buffer_stack [function] [call site] 00268
7 flb_ra__create_buffer [function] [call site] 00269
8 flb_ra_alloc [function] [call site] 00270
8 yy_fatal_error [function] [call site] 00271
8 flb_ra_alloc [function] [call site] 00272
8 yy_fatal_error [function] [call site] 00273
8 flb_ra__init_buffer [function] [call site] 00274
9 __errno_location [call site] 00275
9 flb_ra__flush_buffer [function] [call site] 00276
10 flb_ra__load_buffer_state [function] [call site] 00277
9 fileno [call site] 00278
9 __errno_location [call site] 00279
7 flb_ra__load_buffer_state [function] [call site] 00280
7 remove_dup_quotes [function] [call site] 00281
8 flb_malloc [function] [call site] 00282
7 flb_strdup [function] [call site] 00283
8 strlen [call site] 00284
8 flb_strndup [function] [call site] 00285
7 flb_log_check [function] [call site] 00286
7 flb_log_print [function] [call site] 00287
7 yy_fatal_error [function] [call site] 00288
7 yy_get_previous_state [function] [call site] 00289
7 yy_try_NUL_trans [function] [call site] 00290
7 yy_get_next_buffer [function] [call site] 00291
8 yy_fatal_error [function] [call site] 00292
8 flb_ra_realloc [function] [call site] 00293
8 yy_fatal_error [function] [call site] 00294
8 getc [call site] 00295
8 yy_fatal_error [function] [call site] 00296
8 flb_ra_restart [function] [call site] 00297
9 flb_ra_ensure_buffer_stack [function] [call site] 00298
9 flb_ra__create_buffer [function] [call site] 00299
9 flb_ra__init_buffer [function] [call site] 00300
9 flb_ra__load_buffer_state [function] [call site] 00301
8 flb_ra_realloc [function] [call site] 00302
8 yy_fatal_error [function] [call site] 00303
7 yy_get_previous_state [function] [call site] 00304
7 yy_get_previous_state [function] [call site] 00305
7 yy_fatal_error [function] [call site] 00306
6 flb_ra_parser_key_add [function] [call site] 00307
7 flb_malloc [function] [call site] 00308
7 __errno_location [call site] 00309
7 flb_errno_print [function] [call site] 00310
7 flb_sds_create [function] [call site] 00311
7 __errno_location [call site] 00312
7 flb_errno_print [function] [call site] 00313
6 flb_ra_parser_key_add [function] [call site] 00315
6 flb_ra_parser_subentry_add_string [function] [call site] 00317
7 flb_malloc [function] [call site] 00318
7 __errno_location [call site] 00319
7 flb_errno_print [function] [call site] 00320
7 flb_sds_create [function] [call site] 00321
7 __errno_location [call site] 00322
7 flb_errno_print [function] [call site] 00323
6 flb_ra_parser_subentry_add_array_id [function] [call site] 00326
7 flb_malloc [function] [call site] 00327
7 __errno_location [call site] 00328
7 flb_errno_print [function] [call site] 00329
6 yysyntax_error [function] [call site] 00330
7 yytnamerr [function] [call site] 00331
8 stpcpy [call site] 00332
8 strlen [call site] 00333
7 yytnamerr [function] [call site] 00334
7 strlen [call site] 00335
7 yytnamerr [function] [call site] 00336
6 yysyntax_error [function] [call site] 00337
6 flb_ra_error [function] [call site] 00338
7 flb_log_check [function] [call site] 00339
7 flb_log_print [function] [call site] 00340
6 yydestruct [function] [call site] 00344
6 flb_ra_error [function] [call site] 00345
6 yydestruct [function] [call site] 00346
6 yydestruct [function] [call site] 00347
5 flb_sds_destroy [function] [call site] 00348
5 flb_ra__delete_buffer [function] [call site] 00349
6 flb_ra_free [function] [call site] 00350
6 flb_ra_free [function] [call site] 00351
5 flb_ra_lex_destroy [function] [call site] 00352
6 flb_ra__delete_buffer [function] [call site] 00353
6 flb_ra_pop_buffer_state [function] [call site] 00354
7 flb_ra__delete_buffer [function] [call site] 00355
7 flb_ra__load_buffer_state [function] [call site] 00356
6 flb_ra_free [function] [call site] 00357
6 flb_ra_free [function] [call site] 00358
6 yy_init_globals [function] [call site] 00359
6 flb_ra_free [function] [call site] 00360
5 flb_ra_parser_destroy [function] [call site] 00361
3 ra_parse_string [function] [call site] 00362
3 flb_ra_parser_destroy [function] [call site] 00363
3 flb_sds_len [function] [call site] 00364
3 ra_parse_string [function] [call site] 00365
2 flb_sds_destroy [function] [call site] 00366
2 flb_ra_destroy [function] [call site] 00367
3 flb_ra_parser_destroy [function] [call site] 00368
3 flb_sds_destroy [function] [call site] 00369
2 flb_sds_len [function] [call site] 00371
1 flb_sds_destroy [function] [call site] 00372
1 flb_ra_is_static [function] [call site] 00375
1 flb_ra_translate [function] [call site] 00376
2 flb_ra_translate_check [function] [call site] 00377
3 flb_sds_create_size [function] [call site] 00378
3 flb_log_check [function] [call site] 00379
3 flb_log_print [function] [call site] 00380
3 ra_translate_string [function] [call site] 00381
4 flb_sds_len [function] [call site] 00382
4 flb_sds_cat [function] [call site] 00383
3 ra_translate_keymap [function] [call site] 00384
4 flb_ra_key_to_value [function] [call site] 00385
5 ra_key_val_id [function] [call site] 00386
6 flb_sds_cmp [function] [call site] 00387
7 flb_sds_len [function] [call site] 00388
7 strncmp [call site] 00389
5 flb_calloc [function] [call site] 00390
5 __errno_location [call site] 00391
5 flb_errno_print [function] [call site] 00392
5 subkey_to_object [function] [call site] 00393
6 ra_key_val_id [function] [call site] 00394
5 msgpack_object_to_ra_value [function] [call site] 00395
6 flb_sds_create_len [function] [call site] 00396
5 msgpack_object_to_ra_value [function] [call site] 00399
5 flb_log_check [function] [call site] 00400
5 flb_log_print [function] [call site] 00401
4 flb_msgpack_to_json_str [function] [call site] 00403
5 flb_malloc [function] [call site] 00404
5 __errno_location [call site] 00405
5 flb_errno_print [function] [call site] 00406
5 flb_msgpack_to_json [function] [call site] 00407
6 msgpack2json [function] [call site] 00408
7 try_to_write [function] [call site] 00409
8 strlen [call site] 00410
7 try_to_write [function] [call site] 00411
7 snprintf [call site] 00412
7 try_to_write [function] [call site] 00413
7 snprintf [call site] 00414
7 try_to_write [function] [call site] 00415
7 snprintf [call site] 00416
7 snprintf [call site] 00417
7 snprintf [call site] 00418
7 try_to_write [function] [call site] 00419
7 try_to_write [function] [call site] 00420
7 flb_utils_write_str [function] [call site] 00421
8 snprintf [call site] 00422
8 encoded_to_buf [function] [call site] 00423
8 flb_utf8_len [function] [call site] 00424
8 flb_utf8_decode [function] [call site] 00425
8 flb_log_check [function] [call site] 00426
8 flb_log_print [function] [call site] 00427
8 snprintf [call site] 00428
8 encoded_to_buf [function] [call site] 00429
8 flb_utf8_len [function] [call site] 00430
8 flb_log_check [function] [call site] 00431
8 flb_log_print [function] [call site] 00432
8 flb_log_check [function] [call site] 00433
8 flb_log_print [function] [call site] 00434
8 encoded_to_buf [function] [call site] 00435
7 try_to_write [function] [call site] 00436
7 try_to_write [function] [call site] 00437
7 flb_utils_write_str [function] [call site] 00438
7 try_to_write [function] [call site] 00439
7 try_to_write [function] [call site] 00440
7 snprintf [call site] 00441
7 try_to_write [function] [call site] 00442
7 try_to_write [function] [call site] 00443
7 try_to_write [function] [call site] 00444
7 msgpack2json [function] [call site] 00445
8 try_to_write [function] [call site] 00446
8 msgpack2json [function] [call site] 00447
9 try_to_write [function] [call site] 00448
9 try_to_write [function] [call site] 00449
9 key_exists_in_map [function] [call site] 00450
10 memcmp [call site] 00451
9 try_to_write [function] [call site] 00452
9 msgpack2json [function] [call site] 00453
10 try_to_write [function] [call site] 00454
10 msgpack2json [function] [call site] 00455
11 try_to_write [function] [call site] 00456
11 flb_log_check [function] [call site] 00457
11 flb_log_print [function] [call site] 00458
5 flb_realloc [function] [call site] 00459
5 __errno_location [call site] 00461
5 flb_errno_print [function] [call site] 00462
4 strlen [call site] 00463
4 flb_sds_cat [function] [call site] 00464
4 flb_sds_cat [function] [call site] 00466
4 flb_sds_cat [function] [call site] 00467
4 snprintf [call site] 00468
4 flb_sds_cat [function] [call site] 00469
4 snprintf [call site] 00470
4 flb_sds_cat [function] [call site] 00471
4 flb_sds_cat [function] [call site] 00472
4 flb_sds_len [function] [call site] 00473
4 flb_sds_cat [function] [call site] 00474
4 flb_sds_cat [function] [call site] 00475
4 flb_ra_key_value_destroy [function] [call site] 00476
5 flb_sds_destroy [function] [call site] 00477
3 flb_log_check [function] [call site] 00479
3 flb_log_print [function] [call site] 00480
3 flb_sds_destroy [function] [call site] 00481
3 ra_translate_regex_id [function] [call site] 00482
4 flb_regex_results_get [function] [call site] 00483
4 flb_sds_cat [function] [call site] 00484
3 ra_translate_tag [function] [call site] 00485
4 flb_sds_cat [function] [call site] 00486
3 ra_translate_tag_part [function] [call site] 00487
4 flb_sds_cat [function] [call site] 00488
4 flb_sds_cat [function] [call site] 00489
3 flb_log_check [function] [call site] 00490
3 flb_log_print [function] [call site] 00491
3 flb_sds_destroy [function] [call site] 00492
1 flb_ra_destroy [function] [call site] 00493
1 flb_sds_destroy [function] [call site] 00494
1 flb_ra_dump [function] [call site] 00497
2 printf [call site] 00498
2 flb_ra_parser_dump [function] [call site] 00499
3 printf [call site] 00500
3 printf [call site] 00501
3 printf [call site] 00502
3 printf [call site] 00503
3 printf [call site] 00504
3 printf [call site] 00505
1 flb_ra_destroy [function] [call site] 00506
1 flb_sds_destroy [function] [call site] 00507