Fuzz introspector: uri_extended_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
217 0 EP call site: 00000 coap_uri_into_optlist

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 coap_startup [function] [call site] 00001
2 coap_clock_init [function] [call site] 00002
3 clock_gettime [call site] 00003
2 coap_ticks [function] [call site] 00004
3 clock_gettime [call site] 00005
2 coap_ticks_to_rt_us [function] [call site] 00006
2 coap_prng_init_lkd [function] [call site] 00007
2 coap_memory_init [function] [call site] 00008
2 coap_dtls_startup [function] [call site] 00009
3 OPENSSL_init_ssl [call site] 00010
3 OPENSSL_init_ssl [call site] 00011
3 OPENSSL_init_crypto [call site] 00012
2 coap_prng_lkd [function] [call site] 00013
1 coap_set_log_level [function] [call site] 00014
1 coap_split_proxy_uri [function] [call site] 00015
2 coap_split_uri_sub [function] [call site] 00016
3 strlen [call site] 00017
3 memcmp [call site] 00018
3 coap_get_log_level [function] [call site] 00019
3 coap_log_impl [function] [call site] 00020
4 vsnprintf [call site] 00021
4 coap_ticks [function] [call site] 00022
4 print_timestamp [function] [call site] 00023
5 coap_ticks_to_rt [function] [call site] 00024
5 localtime [call site] 00025
5 strftime [call site] 00026
5 coap_ticks_to_rt_us [function] [call site] 00027
5 snprintf [call site] 00028
4 fprintf [call site] 00029
4 coap_log_level_desc [function] [call site] 00030
5 snprintf [call site] 00031
4 fprintf [call site] 00032
4 vfprintf [call site] 00033
4 fflush [call site] 00034
3 coap_get_log_level [function] [call site] 00035
3 coap_log_impl [function] [call site] 00036
3 coap_dtls_is_supported [function] [call site] 00037
4 OpenSSL_version_num [call site] 00038
4 coap_get_log_level [function] [call site] 00039
4 coap_log_impl [function] [call site] 00040
4 OpenSSL_version_num [call site] 00041
4 coap_get_log_level [function] [call site] 00042
4 coap_log_impl [function] [call site] 00043
3 coap_get_log_level [function] [call site] 00044
3 coap_log_impl [function] [call site] 00045
3 coap_tcp_is_supported [function] [call site] 00046
3 coap_get_log_level [function] [call site] 00047
3 coap_log_impl [function] [call site] 00048
3 coap_tls_is_supported [function] [call site] 00049
4 OpenSSL_version_num [call site] 00050
4 coap_get_log_level [function] [call site] 00051
4 coap_log_impl [function] [call site] 00052
4 OpenSSL_version_num [call site] 00053
4 coap_get_log_level [function] [call site] 00054
4 coap_log_impl [function] [call site] 00055
3 coap_get_log_level [function] [call site] 00056
3 coap_log_impl [function] [call site] 00057
3 coap_ws_is_supported [function] [call site] 00058
4 coap_tcp_is_supported [function] [call site] 00059
3 coap_get_log_level [function] [call site] 00060
3 coap_log_impl [function] [call site] 00061
3 coap_wss_is_supported [function] [call site] 00062
4 coap_tls_is_supported [function] [call site] 00063
3 coap_get_log_level [function] [call site] 00064
3 coap_log_impl [function] [call site] 00065
3 coap_get_log_level [function] [call site] 00066
3 coap_log_impl [function] [call site] 00067
3 strncmp [call site] 00068
3 coap_get_log_level [function] [call site] 00069
3 coap_log_impl [function] [call site] 00070
3 __ctype_b_loc [call site] 00071
3 coap_get_log_level [function] [call site] 00072
3 coap_log_impl [function] [call site] 00073
3 coap_get_log_level [function] [call site] 00074
3 coap_log_impl [function] [call site] 00075
3 __ctype_b_loc [call site] 00076
3 coap_get_log_level [function] [call site] 00077
3 coap_log_impl [function] [call site] 00078
1 coap_split_uri [function] [call site] 00079
2 coap_split_uri_sub [function] [call site] 00080
1 coap_check_dots [function] [call site] 00081
2 __assert_fail [call site] 00082
1 coap_split_path [function] [call site] 00083
2 coap_split_path_impl [function] [call site] 00084
3 coap_check_dots [function] [call site] 00086
3 backup_segment [function] [call site] 00087
4 coap_opt_size [function] [call site] 00088
5 coap_opt_parse [function] [call site] 00089
6 __assert_fail [call site] 00090
6 __assert_fail [call site] 00091
6 coap_get_log_level [function] [call site] 00092
6 coap_log_impl [function] [call site] 00093
6 coap_get_log_level [function] [call site] 00094
6 coap_log_impl [function] [call site] 00095
6 coap_get_log_level [function] [call site] 00096
6 coap_log_impl [function] [call site] 00097
6 coap_get_log_level [function] [call site] 00098
6 coap_log_impl [function] [call site] 00099
6 coap_get_log_level [function] [call site] 00100
6 coap_log_impl [function] [call site] 00101
6 coap_get_log_level [function] [call site] 00102
6 coap_log_impl [function] [call site] 00103
6 coap_get_log_level [function] [call site] 00104
6 coap_log_impl [function] [call site] 00105
6 coap_get_log_level [function] [call site] 00106
6 coap_log_impl [function] [call site] 00107
6 coap_get_log_level [function] [call site] 00108
6 coap_log_impl [function] [call site] 00109
3 coap_check_dots [function] [call site] 00110
3 backup_segment [function] [call site] 00111
2 write_option [function] [call site] 00112
3 __assert_fail [call site] 00113
3 make_decoded_option [function] [call site] 00114
4 coap_get_log_level [function] [call site] 00115
4 coap_log_impl [function] [call site] 00116
4 check_segment [function] [call site] 00117
5 __ctype_b_loc [call site] 00118
4 coap_opt_setheader [function] [call site] 00119
5 __assert_fail [call site] 00120
5 coap_get_log_level [function] [call site] 00121
5 coap_log_impl [function] [call site] 00122
5 coap_get_log_level [function] [call site] 00123
5 coap_log_impl [function] [call site] 00124
5 coap_get_log_level [function] [call site] 00125
5 coap_log_impl [function] [call site] 00126
5 coap_get_log_level [function] [call site] 00127
5 coap_log_impl [function] [call site] 00128
4 __assert_fail [call site] 00129
4 coap_get_log_level [function] [call site] 00130
4 coap_log_impl [function] [call site] 00131
4 decode_segment [function] [call site] 00132
1 coap_split_query [function] [call site] 00133
2 write_option [function] [call site] 00134
2 write_option [function] [call site] 00135
1 coap_path_into_optlist [function] [call site] 00136
2 coap_path_into_optlist_abbrev [function] [call site] 00137
3 strlen [call site] 00138
3 memcmp [call site] 00139
3 coap_encode_var_safe [function] [call site] 00140
4 __assert_fail [call site] 00141
3 coap_new_optlist [function] [call site] 00142
4 coap_pdu_parse_opt_base [function] [call site] 00143
5 coap_check_dots [function] [call site] 00144
4 coap_get_log_level [function] [call site] 00145
4 coap_log_impl [function] [call site] 00146
4 coap_malloc_type [function] [call site] 00147
4 coap_get_log_level [function] [call site] 00148
4 coap_log_impl [function] [call site] 00149
3 coap_insert_optlist [function] [call site] 00150
4 coap_get_log_level [function] [call site] 00151
4 coap_log_impl [function] [call site] 00152
3 coap_check_dots [function] [call site] 00154
3 backup_optlist [function] [call site] 00155
4 coap_delete_optlist [function] [call site] 00156
5 coap_internal_delete [function] [call site] 00157
6 coap_free_type [function] [call site] 00158
3 coap_new_optlist [function] [call site] 00159
3 coap_replace_percents [function] [call site] 00160
3 coap_insert_optlist [function] [call site] 00161
3 coap_check_dots [function] [call site] 00162
3 backup_optlist [function] [call site] 00163
3 coap_new_optlist [function] [call site] 00164
3 coap_replace_percents [function] [call site] 00165
3 coap_insert_optlist [function] [call site] 00166
1 coap_query_into_optlist [function] [call site] 00167
2 coap_new_optlist [function] [call site] 00168
2 coap_replace_percents [function] [call site] 00169
2 coap_insert_optlist [function] [call site] 00170
2 coap_new_optlist [function] [call site] 00171
2 coap_replace_percents [function] [call site] 00172
2 coap_insert_optlist [function] [call site] 00173
1 coap_delete_optlist [function] [call site] 00174
1 coap_new_uri [function] [call site] 00175
2 coap_malloc_type [function] [call site] 00176
2 coap_split_uri [function] [call site] 00177
2 coap_free_type [function] [call site] 00178
1 coap_clone_uri [function] [call site] 00179
2 coap_malloc_type [function] [call site] 00180
1 coap_delete_uri [function] [call site] 00181
2 coap_free_type [function] [call site] 00182
1 coap_delete_uri [function] [call site] 00183
1 coap_uri_into_optlist [function] [call site] 00184
2 coap_uri_into_optlist_abbrev [function] [call site] 00185
3 coap_host_is_unix_domain [function] [call site] 00186
3 coap_print_ip_addr [function] [call site] 00187
4 __assert_fail [call site] 00188
4 __assert_fail [call site] 00189
4 snprintf [call site] 00190
4 snprintf [call site] 00191
4 inet_ntop [call site] 00192
4 coap_get_log_level [function] [call site] 00193
4 coap_log_impl [function] [call site] 00194
3 strlen [call site] 00195
3 strncasecmp [call site] 00196
3 coap_new_optlist [function] [call site] 00197
3 coap_host_is_unix_domain [function] [call site] 00198
3 coap_replace_percents [function] [call site] 00199
3 coap_replace_upper_lower [function] [call site] 00200
3 coap_insert_optlist [function] [call site] 00201
3 coap_uri_scheme_is_secure [function] [call site] 00202
3 coap_encode_var_safe [function] [call site] 00203
3 coap_new_optlist [function] [call site] 00204
3 coap_insert_optlist [function] [call site] 00205
3 coap_path_into_optlist_abbrev [function] [call site] 00206
3 coap_query_into_optlist [function] [call site] 00207
1 coap_delete_optlist [function] [call site] 00208
1 coap_cleanup [function] [call site] 00209
2 coap_dtls_shutdown [function] [call site] 00210
3 ENGINE_finish [call site] 00211
3 ENGINE_finish [call site] 00212
3 coap_dtls_set_log_level [function] [call site] 00213
2 coap_delete_upa_chain [function] [call site] 00214
3 coap_free_type [function] [call site] 00215
2 coap_delete_upa_chain [function] [call site] 00216
2 coap_debug_reset [function] [call site] 00217