Fuzz introspector: fuzz_3_fuzzer
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
278 0 EP call site: 00000 sldns_str2wire_ipseckey_buf

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 sldns_str2wire_dname_buf [function] [call site] 00001
2 sldns_str2wire_dname_buf_rel [function] [call site] 00002
3 strlen [call site] 00003
3 sldns_parse_escape [function] [call site] 00004
4 __ctype_b_loc [call site] 00005
4 __ctype_b_loc [call site] 00006
4 __ctype_b_loc [call site] 00007
4 __ctype_b_loc [call site] 00008
1 sldns_str2wire_int8_buf [function] [call site] 00009
2 strtol [call site] 00010
1 sldns_str2wire_int16_buf [function] [call site] 00011
2 strtol [call site] 00012
2 sldns_write_uint16 [function] [call site] 00013
1 sldns_str2wire_int32_buf [function] [call site] 00014
2 __errno_location [call site] 00015
2 strtol [call site] 00016
2 strtoul [call site] 00017
2 __errno_location [call site] 00018
2 sldns_write_uint32 [function] [call site] 00019
1 sldns_str2wire_a_buf [function] [call site] 00020
2 inet_pton [call site] 00021
1 sldns_str2wire_aaaa_buf [function] [call site] 00022
2 inet_pton [call site] 00023
1 sldns_str2wire_str_buf [function] [call site] 00024
2 sldns_parse_char [function] [call site] 00025
3 sldns_parse_escape [function] [call site] 00026
1 sldns_str2wire_apl_buf [function] [call site] 00027
2 strlen [call site] 00028
2 strchr [call site] 00029
2 strchr [call site] 00030
2 strchr [call site] 00031
2 atoi [call site] 00032
2 strchr [call site] 00033
2 strchr [call site] 00034
2 strlcpy_unbound [function] [call site] 00035
2 inet_pton [call site] 00036
2 inet_pton [call site] 00037
2 strchr [call site] 00038
2 atoi [call site] 00039
2 sldns_write_uint16 [function] [call site] 00040
1 sldns_str2wire_b64_buf [function] [call site] 00041
2 strlen [call site] 00042
2 sldns_b64_pton_calculate_size [function] [call site] 00043
2 strcmp [call site] 00044
2 sldns_b64_pton [function] [call site] 00045
3 sldns_b64_pton_base [function] [call site] 00046
1 sldns_str2wire_b32_ext_buf [function] [call site] 00047
2 strlen [call site] 00048
2 sldns_b32_pton_calculate_size [function] [call site] 00049
2 sldns_b32_pton_extended_hex [function] [call site] 00050
3 sldns_b32_pton_base [function] [call site] 00051
4 __ctype_b_loc [call site] 00052
4 __ctype_b_loc [call site] 00053
1 sldns_str2wire_hex_buf [function] [call site] 00054
2 __ctype_b_loc [call site] 00055
2 sldns_is_last_of_string [function] [call site] 00056
3 __ctype_b_loc [call site] 00057
2 __ctype_b_loc [call site] 00058
2 sldns_hexdigit_to_int [function] [call site] 00059
2 sldns_hexdigit_to_int [function] [call site] 00060
1 sldns_str2wire_nsec_buf [function] [call site] 00061
2 strlen [call site] 00062
2 sldns_buffer_init_frm_data [function] [call site] 00063
2 sldns_buffer_remaining [function] [call site] 00064
3 sldns_buffer_remaining_at [function] [call site] 00065
4 sldns_buffer_invariant [function] [call site] 00066
2 sldns_bget_token [function] [call site] 00067
3 sldns_bget_token_par [function] [call site] 00068
4 sldns_bgetc [function] [call site] 00069
5 sldns_buffer_available_at [function] [call site] 00070
6 sldns_buffer_remaining_at [function] [call site] 00071
5 sldns_buffer_limit [function] [call site] 00072
5 sldns_buffer_set_position [function] [call site] 00073
5 sldns_buffer_read_u8 [function] [call site] 00074
6 sldns_buffer_read_u8_at [function] [call site] 00075
4 strchr [call site] 00076
4 strchr [call site] 00077
4 sldns_bskipcs [function] [call site] 00078
5 sldns_buffer_available_at [function] [call site] 00079
5 sldns_buffer_read_u8_at [function] [call site] 00080
4 sldns_bskipcs [function] [call site] 00081
2 sldns_get_rr_type_by_name [function] [call site] 00082
3 strlen [call site] 00083
3 strncasecmp [call site] 00084
3 atoi [call site] 00085
3 strlen [call site] 00086
3 strlen [call site] 00087
3 strncasecmp [call site] 00088
3 strlen [call site] 00089
3 strncasecmp [call site] 00090
3 strlen [call site] 00091
3 strncasecmp [call site] 00092
3 strlen [call site] 00093
3 strncasecmp [call site] 00094
3 strlen [call site] 00095
3 strncasecmp [call site] 00096
3 strlen [call site] 00097
3 strncasecmp [call site] 00098
2 strcmp [call site] 00099
2 sldns_buffer_position [function] [call site] 00100
1 sldns_str2wire_type_buf [function] [call site] 00101
2 sldns_get_rr_type_by_name [function] [call site] 00102
2 strcmp [call site] 00103
2 sldns_write_uint16 [function] [call site] 00104
1 sldns_str2wire_class_buf [function] [call site] 00105
2 sldns_get_rr_class_by_name [function] [call site] 00106
3 strlen [call site] 00107
3 strncasecmp [call site] 00108
3 atoi [call site] 00109
3 sldns_lookup_by_name [function] [call site] 00110
4 strcasecmp [call site] 00111
2 strcmp [call site] 00112
2 sldns_write_uint16 [function] [call site] 00113
1 sldns_str2wire_cert_alg_buf [function] [call site] 00114
2 sldns_lookup_by_name [function] [call site] 00115
2 sldns_write_uint16 [function] [call site] 00116
2 sldns_str2wire_int16_buf [function] [call site] 00117
2 sldns_read_uint16 [function] [call site] 00118
1 sldns_str2wire_alg_buf [function] [call site] 00119
2 sldns_lookup_by_name [function] [call site] 00120
2 sldns_str2wire_int8_buf [function] [call site] 00121
1 sldns_str2wire_tsigerror_buf [function] [call site] 00122
2 sldns_lookup_by_name [function] [call site] 00123
2 sldns_write_uint16 [function] [call site] 00124
2 sldns_str2wire_int16_buf [function] [call site] 00125
1 sldns_str2wire_time_buf [function] [call site] 00126
2 strlen [call site] 00127
2 __isoc99_sscanf [call site] 00128
2 sldns_mktime_from_utc [function] [call site] 00129
3 leap_days [function] [call site] 00130
3 is_leap_year [function] [call site] 00131
2 sldns_write_uint32 [function] [call site] 00132
2 strtol [call site] 00133
2 sldns_write_uint32 [function] [call site] 00134
1 sldns_str2wire_tsigtime_buf [function] [call site] 00135
2 strtol [call site] 00136
2 sldns_write_uint16 [function] [call site] 00137
2 sldns_write_uint32 [function] [call site] 00138
1 sldns_str2wire_period_buf [function] [call site] 00139
2 sldns_str2period [function] [call site] 00140
2 sldns_write_uint32 [function] [call site] 00141
1 sldns_str2wire_loc_buf [function] [call site] 00142
2 __ctype_b_loc [call site] 00143
2 strtol [call site] 00144
2 __ctype_b_loc [call site] 00145
2 __ctype_b_loc [call site] 00146
2 strtol [call site] 00147
2 __ctype_b_loc [call site] 00148
2 __ctype_b_loc [call site] 00149
2 strtod [call site] 00150
2 __ctype_b_loc [call site] 00151
2 __ctype_b_loc [call site] 00152
2 __ctype_b_loc [call site] 00153
2 strtol [call site] 00154
2 __ctype_b_loc [call site] 00155
2 __ctype_b_loc [call site] 00156
2 strtol [call site] 00157
2 __ctype_b_loc [call site] 00158
2 __ctype_b_loc [call site] 00159
2 strtod [call site] 00160
2 __ctype_b_loc [call site] 00161
2 strtod [call site] 00162
2 strlen [call site] 00163
2 loc_parse_cm [function] [call site] 00164
3 __ctype_b_loc [call site] 00165
3 strtol [call site] 00166
3 strtol [call site] 00167
2 strlen [call site] 00168
2 loc_parse_cm [function] [call site] 00169
2 strlen [call site] 00170
2 loc_parse_cm [function] [call site] 00171
2 sldns_write_uint32 [function] [call site] 00172
2 sldns_write_uint32 [function] [call site] 00173
2 sldns_write_uint32 [function] [call site] 00174
1 sldns_str2wire_wks_buf [function] [call site] 00175
2 strlen [call site] 00176
2 sldns_buffer_init_frm_data [function] [call site] 00177
2 sldns_bget_token [function] [call site] 00178
2 ldns_tolower_str [function] [call site] 00179
3 tolower [call site] 00180
2 getprotobyname [call site] 00181
2 strcasecmp [call site] 00182
2 strcasecmp [call site] 00183
2 atoi [call site] 00184
2 strlcpy_unbound [function] [call site] 00185
2 atoi [call site] 00186
2 strcmp [call site] 00187
2 strcasecmp [call site] 00188
2 getservbyname [call site] 00189
2 ntohs [call site] 00190
2 endservent [call site] 00191
2 endprotoent [call site] 00192
2 sldns_buffer_position [function] [call site] 00193
2 endservent [call site] 00194
2 endprotoent [call site] 00195
2 sldns_buffer_position [function] [call site] 00196
2 endservent [call site] 00197
2 endprotoent [call site] 00198
2 sldns_buffer_position [function] [call site] 00199
2 endservent [call site] 00200
2 endprotoent [call site] 00201
1 sldns_str2wire_nsap_buf [function] [call site] 00202
2 strlen [call site] 00203
2 __ctype_b_loc [call site] 00204
2 __ctype_b_loc [call site] 00205
2 sldns_hexdigit_to_int [function] [call site] 00206
2 sldns_hexdigit_to_int [function] [call site] 00207
1 sldns_str2wire_atma_buf [function] [call site] 00208
2 strlen [call site] 00209
2 __ctype_b_loc [call site] 00210
2 __ctype_b_loc [call site] 00211
2 __ctype_b_loc [call site] 00212
2 sldns_hexdigit_to_int [function] [call site] 00213
2 sldns_hexdigit_to_int [function] [call site] 00214
1 sldns_str2wire_ipseckey_buf [function] [call site] 00215
2 strlen [call site] 00216
2 sldns_buffer_init_frm_data [function] [call site] 00217
2 sldns_bget_token [function] [call site] 00218
2 sldns_buffer_position [function] [call site] 00219
2 atoi [call site] 00220
2 sldns_bget_token [function] [call site] 00221
2 sldns_buffer_position [function] [call site] 00222
2 atoi [call site] 00223
2 sldns_bget_token [function] [call site] 00224
2 sldns_buffer_position [function] [call site] 00225
2 atoi [call site] 00226
2 sldns_bget_token [function] [call site] 00227
2 sldns_buffer_position [function] [call site] 00228
2 strcmp [call site] 00229
2 sldns_buffer_position [function] [call site] 00230
2 sldns_str2wire_a_buf [function] [call site] 00231
2 sldns_buffer_position [function] [call site] 00232
2 sldns_str2wire_aaaa_buf [function] [call site] 00233
2 sldns_buffer_position [function] [call site] 00234
2 sldns_str2wire_dname_buf [function] [call site] 00235
2 sldns_buffer_position [function] [call site] 00236
2 sldns_buffer_position [function] [call site] 00237
2 sldns_buffer_position [function] [call site] 00238
2 sldns_buffer_current [function] [call site] 00239
3 sldns_buffer_at [function] [call site] 00240
2 sldns_str2wire_b64_buf [function] [call site] 00241
2 sldns_buffer_position [function] [call site] 00242
1 sldns_str2wire_nsec3_salt_buf [function] [call site] 00243
2 strlen [call site] 00244
2 __ctype_b_loc [call site] 00245
2 __ctype_b_loc [call site] 00246
2 sldns_hexdigit_to_int [function] [call site] 00247
2 sldns_hexdigit_to_int [function] [call site] 00248
1 sldns_str2wire_ilnp64_buf [function] [call site] 00249
2 __isoc99_sscanf [call site] 00250
2 strlen [call site] 00251
2 strpbrk [call site] 00252
2 htons [call site] 00253
2 htons [call site] 00254
2 htons [call site] 00255
2 htons [call site] 00256
1 sldns_str2wire_eui48_buf [function] [call site] 00257
2 __isoc99_sscanf [call site] 00258
2 strlen [call site] 00259
1 sldns_str2wire_eui64_buf [function] [call site] 00260
2 __isoc99_sscanf [call site] 00261
2 strlen [call site] 00262
1 sldns_str2wire_tag_buf [function] [call site] 00263
2 strlen [call site] 00264
2 __ctype_b_loc [call site] 00265
1 sldns_str2wire_long_str_buf [function] [call site] 00266
2 sldns_parse_char [function] [call site] 00267
1 sldns_str2wire_hip_buf [function] [call site] 00268
2 strtol [call site] 00269
2 strchr [call site] 00270
2 sldns_str2wire_hex_buf [function] [call site] 00271
2 sldns_str2wire_b64_buf [function] [call site] 00272
2 sldns_write_uint16 [function] [call site] 00273
1 sldns_str2wire_int16_data_buf [function] [call site] 00274
2 strtol [call site] 00275
2 sldns_write_uint16 [function] [call site] 00276
2 sldns_b64_pton [function] [call site] 00277
2 sldns_write_uint16 [function] [call site] 00278