Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
20	378	coap_pdu_encode_header	call site: 00378	coap_log_impl
8	230	coap_show_pdu	call site: 00230	coap_log_impl
7	335	coap_show_pdu	call site: 00335	coap_log_impl
4	56	coap_pdu_parse_header	call site: 00056	coap_log_impl
4	94	coap_pdu_parse_opt	call site: 00094	coap_log_impl
4	143	coap_get_query	call site: 00143	coap_log_impl
4	179	coap_dtls_is_supported	call site: 00179	coap_log_impl
4	191	coap_tls_is_supported	call site: 00191	coap_log_impl
4	201	coap_wss_is_supported	call site: 00201	coap_log_impl
3	31	coap_pdu_parse2	call site: 00031	coap_log_impl
3	374	coap_show_pdu	call site: 00374	coap_pdu_encode_header
2	25	coap_pdu_clear	call site: 00025	coap_pdu_parse

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           coap_startup

[function] [call site] 00001


             coap_clock_init

[function] [call site] 00002


               clock_gettime

[call site] 00003


             coap_ticks

[function] [call site] 00004


               clock_gettime

[call site] 00005


             coap_ticks_to_rt_us

[function] [call site] 00006


             coap_prng_init_lkd

[function] [call site] 00007


             coap_memory_init

[function] [call site] 00008


             coap_dtls_startup

[function] [call site] 00009


               OPENSSL_init_ssl

[call site] 00010


               OPENSSL_init_ssl

[call site] 00011


               OPENSSL_init_crypto

[call site] 00012


             coap_prng_lkd

[function] [call site] 00013


           coap_pdu_init

[function] [call site] 00014


             __assert_fail

[call site] 00015


             __assert_fail

[call site] 00016


             __assert_fail

[call site] 00017


             coap_malloc_type

[function] [call site] 00018


             coap_free_type

[function] [call site] 00019


             coap_malloc_type

[function] [call site] 00020


             coap_free_type

[function] [call site] 00021


             coap_pdu_clear

[function] [call site] 00022


               __assert_fail

[call site] 00023


               __assert_fail

[call site] 00024


               __assert_fail

[call site] 00025


           coap_set_log_level

[function] [call site] 00026


           coap_pdu_parse

[function] [call site] 00027


             coap_pdu_parse2

[function] [call site] 00028


               coap_pdu_parse_header_size

[function] [call site] 00029


                 __assert_fail

[call site] 00030


               coap_pdu_resize

[function] [call site] 00031


                 coap_get_log_level

[function] [call site] 00032


                 coap_log_impl

[function] [call site] 00033


                   vsnprintf

[call site] 00034


                   coap_ticks

[function] [call site] 00035


                   print_timestamp

[function] [call site] 00036


                     coap_ticks_to_rt

[function] [call site] 00037


                     localtime

[call site] 00038


                     strftime

[call site] 00039


                     coap_ticks_to_rt_us

[function] [call site] 00040


                     snprintf

[call site] 00041


                   fprintf

[call site] 00042


                   coap_log_level_desc

[function] [call site] 00043


                     snprintf

[call site] 00044


                   fprintf

[call site] 00045


                   vfprintf

[call site] 00046


                   fflush

[call site] 00047


                 __assert_fail

[call site] 00048


                 coap_realloc_type

[function] [call site] 00049


                   realloc

[call site] 00050


                 coap_get_log_level

[function] [call site] 00051


                 coap_log_impl

[function] [call site] 00052


               coap_pdu_parse_header

[function] [call site] 00053


                 __assert_fail

[call site] 00054


                 coap_get_log_level

[function] [call site] 00055


                 coap_log_impl

[function] [call site] 00056


                 __assert_fail

[call site] 00057


                 __assert_fail

[call site] 00058


                 coap_get_log_level

[function] [call site] 00059


                 coap_log_impl

[function] [call site] 00060


                 coap_get_log_level

[function] [call site] 00061


                 coap_log_impl

[function] [call site] 00062


               coap_pdu_parse_opt

[function] [call site] 00063


                 coap_option_filter_clear

[function] [call site] 00064


                 coap_get_log_level

[function] [call site] 00065


                 coap_log_impl

[function] [call site] 00066


                 coap_get_log_level

[function] [call site] 00067


                 coap_log_impl

[function] [call site] 00068


                 next_option_safe

[function] [call site] 00069


                   __assert_fail

[call site] 00070


                   __assert_fail

[call site] 00071


                   __assert_fail

[call site] 00072


                   coap_opt_parse

[function] [call site] 00073


                     __assert_fail

[call site] 00074


                     coap_get_log_level

[function] [call site] 00075


                     coap_log_impl

[function] [call site] 00076


                     coap_get_log_level

[function] [call site] 00077


                     coap_log_impl

[function] [call site] 00078


                     coap_get_log_level

[function] [call site] 00079


                     coap_log_impl

[function] [call site] 00080


                     coap_get_log_level

[function] [call site] 00081


                     coap_log_impl

[function] [call site] 00082


                     coap_get_log_level

[function] [call site] 00083


                     coap_log_impl

[function] [call site] 00084


                     coap_get_log_level

[function] [call site] 00085


                     coap_log_impl

[function] [call site] 00086


                     coap_get_log_level

[function] [call site] 00087


                     coap_log_impl

[function] [call site] 00088


                     coap_get_log_level

[function] [call site] 00089


                     coap_log_impl

[function] [call site] 00090


                     coap_get_log_level

[function] [call site] 00091


                     coap_log_impl

[function] [call site] 00092


                   __assert_fail

[call site] 00093


                 coap_opt_length

[function] [call site] 00094


                   coap_get_log_level

[function] [call site] 00095


                   coap_log_impl

[function] [call site] 00096


                   coap_get_log_level

[function] [call site] 00097


                   coap_log_impl

[function] [call site] 00098


                 coap_get_log_level

[function] [call site] 00099


                 coap_log_impl

[function] [call site] 00100


                 coap_option_filter_set

[function] [call site] 00101


                   coap_option_filter_op

[function] [call site] 00102


                     is_long_option

[function] [call site] 00103


                     coap_fls

[function] [call site] 00104


                       coap_flsll

[function] [call site] 00105


                     is_long_option

[function] [call site] 00106


                 coap_pdu_parse_opt_csm

[function] [call site] 00107


                 coap_pdu_parse_opt_base

[function] [call site] 00108


                 coap_get_log_level

[function] [call site] 00109


                 coap_log_impl

[function] [call site] 00110


                 coap_option_filter_set

[function] [call site] 00111


                 write_prefix

[function] [call site] 00112


                 next_option_safe

[function] [call site] 00113


                 coap_opt_length

[function] [call site] 00114


                 coap_pdu_parse_opt_csm

[function] [call site] 00115


                 coap_pdu_parse_opt_base

[function] [call site] 00116


                 write_prefix

[function] [call site] 00117


                 write_prefix

[function] [call site] 00118


                 write_char

[function] [call site] 00119


                   __ctype_b_loc

[call site] 00120


                 write_char

[function] [call site] 00121


                 coap_get_log_level

[function] [call site] 00122


                 coap_log_impl

[function] [call site] 00123


                 __assert_fail

[call site] 00124


                 coap_get_log_level

[function] [call site] 00125


                 coap_log_impl

[function] [call site] 00126


           coap_get_query

[function] [call site] 00127


             coap_option_filter_clear

[function] [call site] 00128


             coap_option_filter_set

[function] [call site] 00129


             coap_option_iterator_init

[function] [call site] 00130


               __assert_fail

[call site] 00131


               __assert_fail

[call site] 00132


               __assert_fail

[call site] 00133


             coap_option_next

[function] [call site] 00134


               __assert_fail

[call site] 00135


               opt_finished

[function] [call site] 00136


                 __assert_fail

[call site] 00137


               coap_opt_parse

[function] [call site] 00138


               __assert_fail

[call site] 00139


               coap_option_filter_get

[function] [call site] 00140


                 coap_option_filter_op

[function] [call site] 00141


             coap_opt_length

[function] [call site] 00142


             coap_opt_value

[function] [call site] 00143


               coap_get_log_level

[function] [call site] 00144


               coap_log_impl

[function] [call site] 00145


               coap_get_log_level

[function] [call site] 00146


               coap_log_impl

[function] [call site] 00147


             is_unescaped_in_query

[function] [call site] 00148


               is_unescaped_in_path

[function] [call site] 00149


             coap_new_string

[function] [call site] 00150


               coap_malloc_type

[function] [call site] 00151


               coap_get_log_level

[function] [call site] 00152


               coap_log_impl

[function] [call site] 00153


             coap_option_iterator_init

[function] [call site] 00154


             coap_option_next

[function] [call site] 00155


             coap_opt_length

[function] [call site] 00156


             coap_opt_value

[function] [call site] 00157


             is_unescaped_in_query

[function] [call site] 00158


           coap_get_uri_path

[function] [call site] 00159


             coap_check_option

[function] [call site] 00160


               coap_option_filter_clear

[function] [call site] 00161


               coap_option_filter_set

[function] [call site] 00162


               coap_option_iterator_init

[function] [call site] 00163


               coap_option_next

[function] [call site] 00164


             coap_opt_value

[function] [call site] 00165


             coap_opt_length

[function] [call site] 00166


             coap_split_proxy_uri

[function] [call site] 00167


               coap_split_uri_sub

[function] [call site] 00168


                 strlen

[call site] 00169


                 memcmp

[call site] 00170


                 coap_get_log_level

[function] [call site] 00171


                 coap_log_impl

[function] [call site] 00172


                 coap_get_log_level

[function] [call site] 00173


                 coap_log_impl

[function] [call site] 00174


                 coap_dtls_is_supported

[function] [call site] 00175


                   OpenSSL_version_num

[call site] 00176


                   coap_get_log_level

[function] [call site] 00177


                   coap_log_impl

[function] [call site] 00178


                   OpenSSL_version_num

[call site] 00179


                   coap_get_log_level

[function] [call site] 00180


                   coap_log_impl

[function] [call site] 00181


                 coap_get_log_level

[function] [call site] 00182


                 coap_log_impl

[function] [call site] 00183


                 coap_tcp_is_supported

[function] [call site] 00184


                 coap_get_log_level

[function] [call site] 00185


                 coap_log_impl

[function] [call site] 00186


                 coap_tls_is_supported

[function] [call site] 00187


                   OpenSSL_version_num

[call site] 00188


                   coap_get_log_level

[function] [call site] 00189


                   coap_log_impl

[function] [call site] 00190


                   OpenSSL_version_num

[call site] 00191


                   coap_get_log_level

[function] [call site] 00192


                   coap_log_impl

[function] [call site] 00193


                 coap_get_log_level

[function] [call site] 00194


                 coap_log_impl

[function] [call site] 00195


                 coap_ws_is_supported

[function] [call site] 00196


                   coap_tcp_is_supported

[function] [call site] 00197


                 coap_get_log_level

[function] [call site] 00198


                 coap_log_impl

[function] [call site] 00199


                 coap_wss_is_supported

[function] [call site] 00200


                   coap_tls_is_supported

[function] [call site] 00201


                 coap_get_log_level

[function] [call site] 00202


                 coap_log_impl

[function] [call site] 00203


                 coap_get_log_level

[function] [call site] 00204


                 coap_log_impl

[function] [call site] 00205


                 coap_get_log_level

[function] [call site] 00206


                 coap_log_impl

[function] [call site] 00207


                 __ctype_b_loc

[call site] 00208


                 coap_get_log_level

[function] [call site] 00209


                 coap_log_impl

[function] [call site] 00210


             coap_new_string

[function] [call site] 00211


             coap_option_filter_clear

[function] [call site] 00212


             coap_option_filter_set

[function] [call site] 00213


             coap_option_iterator_init

[function] [call site] 00214


             coap_option_next

[function] [call site] 00215


             coap_opt_length

[function] [call site] 00216


             coap_opt_value

[function] [call site] 00217


             is_unescaped_in_path

[function] [call site] 00218


             coap_new_string

[function] [call site] 00219


             coap_option_iterator_init

[function] [call site] 00220


             coap_option_next

[function] [call site] 00221


             coap_opt_length

[function] [call site] 00222


             coap_opt_value

[function] [call site] 00223


             is_unescaped_in_path

[function] [call site] 00224


           coap_show_pdu

[function] [call site] 00225


             coap_get_log_level

[function] [call site] 00226


             msg_type_string

[function] [call site] 00227


             msg_code_string

[function] [call site] 00228


               snprintf

[call site] 00229


             snprintf

[call site] 00230


             coap_get_log_level

[function] [call site] 00231


             coap_log_impl

[function] [call site] 00232


             msg_code_string

[function] [call site] 00233


             snprintf

[call site] 00234


             coap_get_log_level

[function] [call site] 00235


             coap_log_impl

[function] [call site] 00236


             msg_code_string

[function] [call site] 00237


             snprintf

[call site] 00238


             strlen

[call site] 00239


             snprintf

[call site] 00240


             strlen

[call site] 00241


             snprintf

[call site] 00242


             coap_option_iterator_init

[function] [call site] 00243


             strlen

[call site] 00244


             snprintf

[call site] 00245


             coap_option_next

[function] [call site] 00246


             strlen

[call site] 00247


             snprintf

[call site] 00248


             coap_opt_value

[function] [call site] 00249


             coap_opt_length

[function] [call site] 00250


             coap_decode_var_bytes

[function] [call site] 00251


             snprintf

[call site] 00252


             coap_opt_value

[function] [call site] 00253


             coap_opt_length

[function] [call site] 00254


             print_readable

[function] [call site] 00255


               __assert_fail

[call site] 00256


               __ctype_b_loc

[call site] 00257


             coap_opt_value

[function] [call site] 00258


             coap_opt_length

[function] [call site] 00259


             coap_decode_var_bytes

[function] [call site] 00260


             snprintf

[call site] 00261


             coap_opt_value

[function] [call site] 00262


             coap_opt_length

[function] [call site] 00263


             coap_decode_var_bytes

[function] [call site] 00264


             snprintf

[call site] 00265


             coap_opt_value

[function] [call site] 00266


             coap_opt_length

[function] [call site] 00267


             coap_decode_var_bytes

[function] [call site] 00268


             print_content_format

[function] [call site] 00269


               snprintf

[call site] 00270


               snprintf

[call site] 00271


             coap_opt_length

[function] [call site] 00272


             coap_opt_value

[function] [call site] 00273


             coap_get_data

[function] [call site] 00274


               coap_get_data_large

[function] [call site] 00275


                 __assert_fail

[call site] 00276


                 __assert_fail

[call site] 00277


                 __assert_fail

[call site] 00278


             coap_opt_block_num

[function] [call site] 00279


               coap_opt_length

[function] [call site] 00280


               coap_opt_value

[function] [call site] 00281


               coap_opt_length

[function] [call site] 00282


               coap_decode_var_bytes

[function] [call site] 00283


               coap_opt_length

[function] [call site] 00284


               coap_opt_value

[function] [call site] 00285


             coap_opt_length

[function] [call site] 00286


             coap_opt_value

[function] [call site] 00287


             snprintf

[call site] 00288


             coap_opt_block_num

[function] [call site] 00289


             coap_opt_length

[function] [call site] 00290


             coap_opt_value

[function] [call site] 00291


             snprintf

[call site] 00292


             coap_opt_block_num

[function] [call site] 00293


             coap_opt_length

[function] [call site] 00294


             coap_opt_value

[function] [call site] 00295


             coap_opt_length

[function] [call site] 00296


             coap_opt_value

[function] [call site] 00297


             snprintf

[call site] 00298


             coap_opt_length

[function] [call site] 00299


             coap_opt_value

[function] [call site] 00300


             snprintf

[call site] 00301


             strlen

[call site] 00302


             snprintf

[call site] 00303


             strlen

[call site] 00304


             snprintf

[call site] 00305


             strlen

[call site] 00306


             snprintf

[call site] 00307


             strlen

[call site] 00308


             snprintf

[call site] 00309


             strlen

[call site] 00310


             snprintf

[call site] 00311


             strlen

[call site] 00312


             snprintf

[call site] 00313


             strlen

[call site] 00314


             coap_opt_length

[function] [call site] 00315


             coap_opt_value

[function] [call site] 00316


             coap_opt_length

[function] [call site] 00317


             coap_decode_var_bytes

[function] [call site] 00318


             snprintf

[call site] 00319


             coap_opt_length

[function] [call site] 00320


             coap_opt_value

[function] [call site] 00321


             snprintf

[call site] 00322


             strlen

[call site] 00323


             snprintf

[call site] 00324


             strlen

[call site] 00325


             coap_opt_value

[function] [call site] 00326


             coap_opt_length

[function] [call site] 00327


             print_readable

[function] [call site] 00328


             strlen

[call site] 00329


             msg_option_string

[function] [call site] 00330


               snprintf

[call site] 00331


             snprintf

[call site] 00332


             strlen

[call site] 00333


             snprintf

[call site] 00334


             coap_get_data

[function] [call site] 00335


             strlen

[call site] 00336


             snprintf

[call site] 00337


             strlen

[call site] 00338


             snprintf

[call site] 00339


             fprintf

[call site] 00340


             coap_get_log_level

[function] [call site] 00341


             coap_log_impl

[function] [call site] 00342


             strlen

[call site] 00343


             snprintf

[call site] 00344


             is_binary

[function] [call site] 00345


             __ctype_b_loc

[call site] 00346


             strlen

[call site] 00347


             snprintf

[call site] 00348


             fprintf

[call site] 00349


             coap_get_log_level

[function] [call site] 00350


             coap_log_impl

[function] [call site] 00351


             snprintf

[call site] 00352


             strlen

[call site] 00353


             snprintf

[call site] 00354


             strlen

[call site] 00355


             snprintf

[call site] 00356


             strlen

[call site] 00357


             snprintf

[call site] 00358


             fprintf

[call site] 00359


             coap_get_log_level

[function] [call site] 00360


             coap_log_impl

[function] [call site] 00361


             snprintf

[call site] 00362


             strlen

[call site] 00363


             __ctype_b_loc

[call site] 00364


             snprintf

[call site] 00365


             strlen

[call site] 00366


             snprintf

[call site] 00367


             strlen

[call site] 00368


             print_readable

[function] [call site] 00369


             strlen

[call site] 00370


             snprintf

[call site] 00371


             fprintf

[call site] 00372


             coap_get_log_level

[function] [call site] 00373


             coap_log_impl

[function] [call site] 00374


           coap_pdu_encode_header

[function] [call site] 00375


             coap_get_log_level

[function] [call site] 00376


             coap_log_impl

[function] [call site] 00377


             __assert_fail

[call site] 00378


             coap_get_log_level

[function] [call site] 00379


             coap_log_impl

[function] [call site] 00380


             __assert_fail

[call site] 00381


             coap_get_log_level

[function] [call site] 00382


             coap_log_impl

[function] [call site] 00383


             __assert_fail

[call site] 00384


             coap_get_log_level

[function] [call site] 00385


             coap_log_impl

[function] [call site] 00386


             __assert_fail

[call site] 00387


             coap_get_log_level

[function] [call site] 00388


             coap_log_impl

[function] [call site] 00389


             __assert_fail

[call site] 00390


             coap_get_log_level

[function] [call site] 00391


             coap_log_impl

[function] [call site] 00392


             __assert_fail

[call site] 00393


             coap_get_log_level

[function] [call site] 00394


             coap_log_impl

[function] [call site] 00395


             coap_get_log_level

[function] [call site] 00396


             coap_log_impl

[function] [call site] 00397


           coap_delete_string

[function] [call site] 00398


             coap_free_type

[function] [call site] 00399


           coap_delete_string

[function] [call site] 00400


           coap_delete_pdu

[function] [call site] 00401


             coap_delete_pdu_lkd

[function] [call site] 00402


               coap_free_type

[function] [call site] 00403


               coap_delete_binary

[function] [call site] 00404


                 coap_free_type

[function] [call site] 00405


               coap_free_type

[function] [call site] 00406


           coap_cleanup

[function] [call site] 00407


             coap_dtls_shutdown

[function] [call site] 00408


               ENGINE_finish

[call site] 00409


               ENGINE_finish

[call site] 00410


               coap_dtls_set_log_level

[function] [call site] 00411


             coap_debug_reset

[function] [call site] 00412