Fuzz introspector: oscore_conf_parse_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
16 41 coap_new_string call site: 00041 coap_log_impl
4 93 coap_delete_bin_const call site: 00093 coap_log_impl
4 121 coap_parse_oscore_rcp_conf_mem call site: 00121 coap_log_impl
2 16 coap_cleanup call site: 00016 ENGINE_finish
1 11 coap_dtls_startup call site: 00011 OPENSSL_init_crypto
1 14 LLVMFuzzerTestOneInput call site: 00014 coap_cleanup
1 20 coap_cleanup call site: 00020 coap_free_type
1 143 coap_parse_oscore_conf_mem call site: 00143 __assert_fail

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_cleanup [function] [call site] 00015
2 coap_dtls_shutdown [function] [call site] 00016
3 ENGINE_finish [call site] 00017
3 ENGINE_finish [call site] 00018
3 coap_dtls_set_log_level [function] [call site] 00019
2 coap_delete_upa_chain [function] [call site] 00020
3 coap_free_type [function] [call site] 00021
2 coap_delete_upa_chain [function] [call site] 00022
2 coap_debug_reset [function] [call site] 00023
1 coap_new_oscore_conf [function] [call site] 00024
2 coap_parse_oscore_conf_mem [function] [call site] 00025
3 coap_malloc_type [function] [call site] 00026
3 get_split_entry [function] [call site] 00027
4 memchr [call site] 00028
4 memchr [call site] 00029
4 memchr [call site] 00030
4 memchr [call site] 00031
4 memchr [call site] 00032
4 memchr [call site] 00033
4 memchr [call site] 00034
4 memcmp [call site] 00035
4 memchr [call site] 00036
4 memchr [call site] 00037
4 memchr [call site] 00038
4 coap_new_bin_const [function] [call site] 00039
5 coap_new_string [function] [call site] 00040
6 coap_malloc_type [function] [call site] 00041
6 coap_get_log_level [function] [call site] 00042
6 coap_log_impl [function] [call site] 00043
7 vsnprintf [call site] 00044
7 coap_ticks [function] [call site] 00045
7 print_timestamp [function] [call site] 00046
8 coap_ticks_to_rt [function] [call site] 00047
8 localtime [call site] 00048
8 strftime [call site] 00049
8 coap_ticks_to_rt_us [function] [call site] 00050
8 snprintf [call site] 00051
7 fprintf [call site] 00052
7 coap_log_level_desc [function] [call site] 00053
8 snprintf [call site] 00054
7 fprintf [call site] 00055
7 vfprintf [call site] 00056
7 fflush [call site] 00057
4 parse_hex_bin [function] [call site] 00058
5 coap_new_binary [function] [call site] 00059
6 coap_new_string [function] [call site] 00060
5 __ctype_b_loc [call site] 00061
5 hex_to_char [function] [call site] 00062
5 hex_to_char [function] [call site] 00063
5 coap_delete_binary [function] [call site] 00064
6 coap_free_type [function] [call site] 00065
4 atoi [call site] 00066
4 memcmp [call site] 00067
4 memcmp [call site] 00068
4 coap_get_log_level [function] [call site] 00069
4 coap_log_impl [function] [call site] 00070
3 memcmp [call site] 00071
3 coap_make_str_const [function] [call site] 00072
4 strlen [call site] 00073
3 memcmp [call site] 00074
3 coap_get_log_level [function] [call site] 00075
3 coap_log_impl [function] [call site] 00076
3 coap_get_log_level [function] [call site] 00077
3 coap_log_impl [function] [call site] 00078
3 coap_malloc_type [function] [call site] 00079
3 coap_make_str_const [function] [call site] 00080
3 memcmp [call site] 00081
3 coap_get_log_level [function] [call site] 00082
3 coap_log_impl [function] [call site] 00083
3 coap_malloc_type [function] [call site] 00084
3 memcmp [call site] 00085
3 coap_parse_oscore_snd_conf_mem [function] [call site] 00086
4 coap_malloc_type [function] [call site] 00087
4 get_split_entry [function] [call site] 00088
4 memcmp [call site] 00089
4 coap_get_log_level [function] [call site] 00090
4 coap_log_impl [function] [call site] 00091
4 coap_delete_bin_const [function] [call site] 00092
5 coap_free_type [function] [call site] 00093
4 memcmp [call site] 00094
4 coap_get_log_level [function] [call site] 00095
4 coap_log_impl [function] [call site] 00096
4 __assert_fail [call site] 00097
4 coap_get_log_level [function] [call site] 00098
4 coap_log_impl [function] [call site] 00099
4 coap_delete_bin_const [function] [call site] 00100
4 coap_get_log_level [function] [call site] 00101
4 coap_log_impl [function] [call site] 00102
4 coap_get_log_level [function] [call site] 00103
4 coap_log_impl [function] [call site] 00104
4 coap_delete_oscore_snd_conf [function] [call site] 00105
5 coap_delete_bin_const [function] [call site] 00106
5 coap_free_type [function] [call site] 00107
3 coap_get_log_level [function] [call site] 00108
3 coap_log_impl [function] [call site] 00109
3 coap_get_log_level [function] [call site] 00110
3 coap_log_impl [function] [call site] 00111
3 coap_delete_oscore_snd_conf [function] [call site] 00112
3 coap_delete_bin_const [function] [call site] 00113
3 memcmp [call site] 00114
3 coap_parse_oscore_rcp_conf_mem [function] [call site] 00115
4 coap_malloc_type [function] [call site] 00116
4 get_split_entry [function] [call site] 00117
4 memcmp [call site] 00118
4 coap_get_log_level [function] [call site] 00119
4 coap_log_impl [function] [call site] 00120
4 coap_delete_bin_const [function] [call site] 00121
4 memcmp [call site] 00122
4 coap_get_log_level [function] [call site] 00123
4 coap_log_impl [function] [call site] 00124
4 __assert_fail [call site] 00125
4 coap_get_log_level [function] [call site] 00126
4 coap_log_impl [function] [call site] 00127
4 coap_delete_bin_const [function] [call site] 00128
4 coap_get_log_level [function] [call site] 00129
4 coap_log_impl [function] [call site] 00130
4 coap_get_log_level [function] [call site] 00131
4 coap_log_impl [function] [call site] 00132
4 coap_delete_oscore_rcp_conf [function] [call site] 00133
5 coap_delete_bin_const [function] [call site] 00134
5 coap_free_type [function] [call site] 00135
3 coap_get_log_level [function] [call site] 00136
3 coap_log_impl [function] [call site] 00137
3 coap_delete_bin_const [function] [call site] 00138
3 coap_get_log_level [function] [call site] 00139
3 coap_log_impl [function] [call site] 00140
3 memcmp [call site] 00141
3 coap_get_log_level [function] [call site] 00142
3 coap_log_impl [function] [call site] 00143
3 __assert_fail [call site] 00144
3 coap_get_log_level [function] [call site] 00145
3 coap_log_impl [function] [call site] 00146
3 coap_delete_bin_const [function] [call site] 00147
3 coap_get_log_level [function] [call site] 00148
3 coap_log_impl [function] [call site] 00149
3 coap_get_log_level [function] [call site] 00150
3 coap_log_impl [function] [call site] 00151
3 coap_delete_bin_const [function] [call site] 00152
3 coap_delete_oscore_conf [function] [call site] 00153
4 coap_delete_bin_const [function] [call site] 00154
4 coap_delete_bin_const [function] [call site] 00155
4 coap_delete_bin_const [function] [call site] 00156
4 coap_delete_oscore_snd_conf [function] [call site] 00157
4 coap_delete_oscore_rcp_conf [function] [call site] 00158
4 coap_free_type [function] [call site] 00159
2 coap_get_log_level [function] [call site] 00160
2 coap_log_impl [function] [call site] 00161
1 coap_delete_oscore_conf [function] [call site] 00162
1 cose_encrypt0_init [function] [call site] 00163
1 oscore_decode_option_value [function] [call site] 00164
2 cose_encrypt0_set_partial_iv [function] [call site] 00165
2 cose_encrypt0_set_kid_context [function] [call site] 00166
2 cose_encrypt0_set_key_id [function] [call site] 00167
1 coap_cleanup [function] [call site] 00168