Fuzz introspector: oscore_cbor_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
14 40 oscore_cbor_elem_contained call site: 00040 print_timestamp
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

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 oscore_cbor_get_next_element [function] [call site] 00024
2 get_byte [function] [call site] 00025
1 oscore_cbor_get_number [function] [call site] 00026
2 oscore_cbor_get_next_element [function] [call site] 00027
2 oscore_cbor_get_unsigned_integer [function] [call site] 00028
3 oscore_cbor_get_element_size [function] [call site] 00029
4 get_byte_inc [function] [call site] 00030
4 get_byte_inc [function] [call site] 00031
2 oscore_cbor_get_negative_integer [function] [call site] 00032
3 oscore_cbor_get_element_size [function] [call site] 00033
1 oscore_cbor_get_simple_value [function] [call site] 00034
2 oscore_cbor_get_next_element [function] [call site] 00035
2 get_byte_inc [function] [call site] 00036
1 oscore_cbor_elem_contained [function] [call site] 00037
2 oscore_cbor_get_element_size [function] [call site] 00038
2 coap_get_log_level [function] [call site] 00039
2 coap_log_impl [function] [call site] 00040
3 vsnprintf [call site] 00041
3 coap_ticks [function] [call site] 00042
3 print_timestamp [function] [call site] 00043
4 coap_ticks_to_rt [function] [call site] 00044
4 localtime [call site] 00045
4 strftime [call site] 00046
4 coap_ticks_to_rt_us [function] [call site] 00047
4 snprintf [call site] 00048
3 fprintf [call site] 00049
3 coap_log_level_desc [function] [call site] 00050
4 snprintf [call site] 00051
3 fprintf [call site] 00052
3 vfprintf [call site] 00053
3 fflush [call site] 00054
1 oscore_cbor_get_string_array [function] [call site] 00055
2 oscore_cbor_get_next_element [function] [call site] 00056
2 oscore_cbor_get_element_size [function] [call site] 00057
2 coap_malloc_type [function] [call site] 00058
2 oscore_cbor_get_string [function] [call site] 00059
3 get_byte_inc [function] [call site] 00060
2 oscore_cbor_get_array [function] [call site] 00061
3 get_byte_inc [function] [call site] 00062
1 coap_free_type [function] [call site] 00063
1 oscore_cbor_get_element_size [function] [call site] 00064
1 coap_cleanup [function] [call site] 00065