Fuzz introspector: fuzz_3.c
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
381 0 EP call site: 00000 sldns_str2wire_ipseckey_buf

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 sldns_str2wire_int8_buf [function] [call site] 00026
1 sldns_str2wire_int16_buf [function] [call site] 00029
1 sldns_str2wire_int32_buf [function] [call site] 00034
1 sldns_str2wire_aaaa_buf [function] [call site] 00053
1 sldns_str2wire_str_buf [function] [call site] 00056
2 sldns_parse_char [function] [call site] 00057
3 sldns_parse_escape [function] [call site] 00058
1 sldns_str2wire_b64_buf [function] [call site] 00077
2 sldns_b64_pton_calculate_size [function] [call site] 00078
2 sldns_b64_pton [function] [call site] 00081
3 sldns_b64_pton_base [function] [call site] 00082
1 sldns_str2wire_b32_ext_buf [function] [call site] 00084
2 sldns_b32_pton_calculate_size [function] [call site] 00086
2 sldns_b32_pton_extended_hex [function] [call site] 00087
3 sldns_b32_pton_base [function] [call site] 00088
1 sldns_str2wire_hex_buf [function] [call site] 00091
2 sldns_is_last_of_string [function] [call site] 00093
2 sldns_hexdigit_to_int [function] [call site] 00098
2 sldns_hexdigit_to_int [function] [call site] 00099
1 sldns_str2wire_nsec_buf [function] [call site] 00101
2 sldns_buffer_init_frm_data [function] [call site] 00102
2 sldns_buffer_remaining [function] [call site] 00107
3 sldns_buffer_remaining_at [function] [call site] 00108
4 sldns_buffer_invariant [function] [call site] 00109
2 sldns_bget_token [function] [call site] 00111
3 sldns_bget_token_par [function] [call site] 00112
4 sldns_bgetc [function] [call site] 00113
5 sldns_buffer_available_at [function] [call site] 00114
6 sldns_buffer_remaining_at [function] [call site] 00115
5 sldns_buffer_set_position [function] [call site] 00116
5 sldns_buffer_limit [function] [call site] 00118
5 sldns_buffer_read_u8 [function] [call site] 00119
6 sldns_buffer_read_u8_at [function] [call site] 00120
7 sldns_buffer_available_at [function] [call site] 00122
4 sldns_bskipcs [function] [call site] 00126
5 sldns_buffer_available_at [function] [call site] 00127
5 sldns_buffer_read_u8_at [function] [call site] 00128
4 sldns_bskipcs [function] [call site] 00129
2 sldns_buffer_position [function] [call site] 00150
1 sldns_str2wire_type_buf [function] [call site] 00151
2 sldns_get_rr_type_by_name [function] [call site] 00152
2 sldns_write_uint16 [function] [call site] 00154
1 sldns_str2wire_class_buf [function] [call site] 00155
2 sldns_get_rr_class_by_name [function] [call site] 00156
3 strncasecmp [function] [call site] 00158
3 sldns_lookup_by_name [function] [call site] 00160
4 strcasecmp [function] [call site] 00161
2 sldns_write_uint16 [function] [call site] 00163
1 sldns_str2wire_cert_alg_buf [function] [call site] 00164
2 sldns_lookup_by_name [function] [call site] 00165
2 sldns_write_uint16 [function] [call site] 00166
2 sldns_str2wire_int16_buf [function] [call site] 00167
2 sldns_read_uint16 [function] [call site] 00168
1 sldns_str2wire_alg_buf [function] [call site] 00170
2 sldns_lookup_by_name [function] [call site] 00171
2 sldns_str2wire_int8_buf [function] [call site] 00172
1 sldns_str2wire_tsigerror_buf [function] [call site] 00173
2 sldns_lookup_by_name [function] [call site] 00174
2 sldns_write_uint16 [function] [call site] 00175
2 sldns_str2wire_int16_buf [function] [call site] 00176
1 sldns_str2wire_time_buf [function] [call site] 00177
1 sldns_str2wire_tsigtime_buf [function] [call site] 00197
2 sldns_write_uint16 [function] [call site] 00200
2 sldns_write_uint32 [function] [call site] 00201
1 sldns_str2wire_period_buf [function] [call site] 00202
2 sldns_str2period [function] [call site] 00203
2 sldns_write_uint32 [function] [call site] 00206
1 sldns_str2wire_wks_buf [function] [call site] 00240
2 sldns_buffer_init_frm_data [function] [call site] 00241
2 sldns_bget_token [function] [call site] 00243
2 ldns_tolower_str [function] [call site] 00244
2 getprotobyname [function] [call site] 00246
2 strcasecmp [function] [call site] 00247
2 strcasecmp [function] [call site] 00248
2 strcasecmp [function] [call site] 00254
2 getservbyname [function] [call site] 00255
2 endservent [function] [call site] 00257
2 endprotoent [function] [call site] 00258
2 sldns_buffer_position [function] [call site] 00260
2 endservent [function] [call site] 00261
2 endprotoent [function] [call site] 00262
2 sldns_buffer_position [function] [call site] 00264
2 endservent [function] [call site] 00265
2 endprotoent [function] [call site] 00266
2 sldns_buffer_position [function] [call site] 00268
2 endservent [function] [call site] 00270
2 endprotoent [function] [call site] 00271
1 sldns_str2wire_nsap_buf [function] [call site] 00272
2 sldns_hexdigit_to_int [function] [call site] 00278
2 sldns_hexdigit_to_int [function] [call site] 00279
1 sldns_str2wire_atma_buf [function] [call site] 00281
1 sldns_str2wire_ipseckey_buf [function] [call site] 00293
2 sldns_buffer_init_frm_data [function] [call site] 00294
2 sldns_bget_token [function] [call site] 00296
2 sldns_buffer_position [function] [call site] 00298
2 sldns_bget_token [function] [call site] 00300
2 sldns_buffer_position [function] [call site] 00302
2 sldns_bget_token [function] [call site] 00304
2 sldns_buffer_position [function] [call site] 00306
2 sldns_bget_token [function] [call site] 00308
2 sldns_buffer_position [function] [call site] 00310
2 sldns_buffer_position [function] [call site] 00313
2 sldns_str2wire_a_buf [function] [call site] 00314
2 RET_ERR_SHIFT [function] [call site] 00315
2 sldns_buffer_position [function] [call site] 00316
2 sldns_str2wire_aaaa_buf [function] [call site] 00317
2 RET_ERR_SHIFT [function] [call site] 00318
2 sldns_buffer_position [function] [call site] 00319
2 sldns_str2wire_dname_buf [function] [call site] 00320
2 RET_ERR_SHIFT [function] [call site] 00321
2 sldns_buffer_position [function] [call site] 00322
2 sldns_buffer_position [function] [call site] 00324
2 sldns_buffer_position [function] [call site] 00326
2 sldns_str2wire_b64_buf [function] [call site] 00327
2 sldns_buffer_current [function] [call site] 00328
3 sldns_buffer_at [function] [call site] 00329
2 RET_ERR_SHIFT [function] [call site] 00331
2 sldns_buffer_position [function] [call site] 00332
1 sldns_str2wire_nsec3_salt_buf [function] [call site] 00333
2 sldns_hexdigit_to_int [function] [call site] 00337
2 sldns_hexdigit_to_int [function] [call site] 00338
1 sldns_str2wire_eui48_buf [function] [call site] 00349
1 sldns_str2wire_eui64_buf [function] [call site] 00352
1 sldns_str2wire_tag_buf [function] [call site] 00355
1 sldns_str2wire_long_str_buf [function] [call site] 00360
2 sldns_parse_char [function] [call site] 00361
1 sldns_str2wire_hip_buf [function] [call site] 00362
2 sldns_str2wire_hex_buf [function] [call site] 00367
2 RET_ERR_SHIFT [function] [call site] 00368
2 sldns_str2wire_b64_buf [function] [call site] 00370
2 RET_ERR_SHIFT [function] [call site] 00371
2 sldns_write_uint16 [function] [call site] 00373
1 sldns_str2wire_int16_data_buf [function] [call site] 00374
2 sldns_write_uint16 [function] [call site] 00376
2 sldns_b64_pton [function] [call site] 00378
2 sldns_write_uint16 [function] [call site] 00379