Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
8	248	coap_show_pdu	call site: 00248	coap_log_impl
7	361	coap_show_pdu	call site: 00361	coap_log_impl
5	401	LLVMFuzzerTestOneInput	call site: 00401	coap_log_impl
4	102	coap_pdu_parse_opt	call site: 00102	coap_log_impl
4	107	coap_pdu_parse_opt	call site: 00107	coap_log_impl
4	193	coap_dtls_is_supported	call site: 00193	coap_log_impl
4	213	coap_wss_is_supported	call site: 00213	coap_log_impl
4	419	coap_pdu_encode_header	call site: 00419	coap_log_impl
3	31	coap_pdu_parse2	call site: 00031	coap_log_impl
3	53	coap_pdu_parse2	call site: 00053	coap_log_impl
3	57	coap_pdu_parse_header	call site: 00057	coap_log_impl
3	174	coap_get_uri_path	call site: 00174	coap_new_string

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_get_log_level

[function] [call site] 00094


                 coap_log_impl

[function] [call site] 00095


                 coap_option_filter_set

[function] [call site] 00096


                   coap_option_filter_op

[function] [call site] 00097


                     is_long_option

[function] [call site] 00098


                     coap_fls

[function] [call site] 00099


                       coap_flsll

[function] [call site] 00100


                     is_long_option

[function] [call site] 00101


                 coap_opt_length

[function] [call site] 00102


                   coap_get_log_level

[function] [call site] 00103


                   coap_log_impl

[function] [call site] 00104


                   coap_get_log_level

[function] [call site] 00105


                   coap_log_impl

[function] [call site] 00106


                 coap_opt_value

[function] [call site] 00107


                   coap_get_log_level

[function] [call site] 00108


                   coap_log_impl

[function] [call site] 00109


                   coap_get_log_level

[function] [call site] 00110


                   coap_log_impl

[function] [call site] 00111


                 coap_pdu_parse_opt_csm

[function] [call site] 00112


                 coap_pdu_parse_opt_base

[function] [call site] 00113


                   coap_check_dots

[function] [call site] 00114


                     __assert_fail

[call site] 00115


                 coap_get_log_level

[function] [call site] 00116


                 coap_log_impl

[function] [call site] 00117


                 coap_option_filter_set

[function] [call site] 00118


                 write_prefix

[function] [call site] 00119


                 next_option_safe

[function] [call site] 00120


                 coap_opt_length

[function] [call site] 00121


                 coap_opt_value

[function] [call site] 00122


                 coap_pdu_parse_opt_csm

[function] [call site] 00123


                 coap_pdu_parse_opt_base

[function] [call site] 00124


                 write_prefix

[function] [call site] 00125


                 write_prefix

[function] [call site] 00126


                 write_char

[function] [call site] 00127


                   __ctype_b_loc

[call site] 00128


                 write_char

[function] [call site] 00129


                 coap_get_log_level

[function] [call site] 00130


                 coap_log_impl

[function] [call site] 00131


                 __assert_fail

[call site] 00132


                 coap_get_log_level

[function] [call site] 00133


                 coap_log_impl

[function] [call site] 00134


           coap_get_query

[function] [call site] 00135


             coap_option_filter_clear

[function] [call site] 00136


             coap_option_filter_set

[function] [call site] 00137


             coap_option_iterator_init

[function] [call site] 00138


               __assert_fail

[call site] 00139


               __assert_fail

[call site] 00140


               __assert_fail

[call site] 00141


             coap_option_next

[function] [call site] 00142


               __assert_fail

[call site] 00143


               opt_finished

[function] [call site] 00144


                 __assert_fail

[call site] 00145


               coap_opt_parse

[function] [call site] 00146


               __assert_fail

[call site] 00147


               coap_option_filter_get

[function] [call site] 00148


                 coap_option_filter_op

[function] [call site] 00149


             coap_opt_length

[function] [call site] 00150


             coap_opt_value

[function] [call site] 00151


             is_unescaped_in_query

[function] [call site] 00152


               is_unescaped_in_path

[function] [call site] 00153


             coap_new_string

[function] [call site] 00154


               coap_malloc_type

[function] [call site] 00155


               coap_get_log_level

[function] [call site] 00156


               coap_log_impl

[function] [call site] 00157


             coap_option_iterator_init

[function] [call site] 00158


             coap_option_next

[function] [call site] 00159


             coap_opt_length

[function] [call site] 00160


             coap_opt_value

[function] [call site] 00161


             is_unescaped_in_query

[function] [call site] 00162


           coap_get_uri_path

[function] [call site] 00163


             coap_check_option

[function] [call site] 00164


               coap_option_filter_clear

[function] [call site] 00165


               coap_option_filter_set

[function] [call site] 00166


               coap_option_iterator_init

[function] [call site] 00167


               coap_option_next

[function] [call site] 00168


             coap_check_option

[function] [call site] 00169


             coap_check_option

[function] [call site] 00170


             coap_opt_value

[function] [call site] 00171


             coap_opt_length

[function] [call site] 00172


             coap_decode_var_bytes

[function] [call site] 00173


             coap_map_abbrev_uri_path

[function] [call site] 00174


             strlen

[call site] 00175


             coap_new_string

[function] [call site] 00176


             strlen

[call site] 00177


             coap_check_option

[function] [call site] 00178


             coap_opt_value

[function] [call site] 00179


             coap_opt_length

[function] [call site] 00180


             coap_split_proxy_uri

[function] [call site] 00181


               coap_split_uri_sub

[function] [call site] 00182


                 strlen

[call site] 00183


                 memcmp

[call site] 00184


                 coap_get_log_level

[function] [call site] 00185


                 coap_log_impl

[function] [call site] 00186


                 coap_get_log_level

[function] [call site] 00187


                 coap_log_impl

[function] [call site] 00188


                 coap_dtls_is_supported

[function] [call site] 00189


                   OpenSSL_version_num

[call site] 00190


                   coap_get_log_level

[function] [call site] 00191


                   coap_log_impl

[function] [call site] 00192


                   OpenSSL_version_num

[call site] 00193


                   coap_get_log_level

[function] [call site] 00194


                   coap_log_impl

[function] [call site] 00195


                 coap_get_log_level

[function] [call site] 00196


                 coap_log_impl

[function] [call site] 00197


                 coap_tcp_is_supported

[function] [call site] 00198


                 coap_get_log_level

[function] [call site] 00199


                 coap_log_impl

[function] [call site] 00200


                 coap_tls_is_supported

[function] [call site] 00201


                   OpenSSL_version_num

[call site] 00202


                   coap_get_log_level

[function] [call site] 00203


                   coap_log_impl

[function] [call site] 00204


                   OpenSSL_version_num

[call site] 00205


                 coap_get_log_level

[function] [call site] 00206


                 coap_log_impl

[function] [call site] 00207


                 coap_ws_is_supported

[function] [call site] 00208


                   coap_tcp_is_supported

[function] [call site] 00209


                 coap_get_log_level

[function] [call site] 00210


                 coap_log_impl

[function] [call site] 00211


                 coap_wss_is_supported

[function] [call site] 00212


                   coap_tls_is_supported

[function] [call site] 00213


                 coap_get_log_level

[function] [call site] 00214


                 coap_log_impl

[function] [call site] 00215


                 coap_get_log_level

[function] [call site] 00216


                 coap_log_impl

[function] [call site] 00217


                 strncmp

[call site] 00218


                 coap_get_log_level

[function] [call site] 00219


                 coap_log_impl

[function] [call site] 00220


                 __ctype_b_loc

[call site] 00221


                 coap_get_log_level

[function] [call site] 00222


                 coap_log_impl

[function] [call site] 00223


                 coap_get_log_level

[function] [call site] 00224


                 coap_log_impl

[function] [call site] 00225


                 __ctype_b_loc

[call site] 00226


                 coap_get_log_level

[function] [call site] 00227


                 coap_log_impl

[function] [call site] 00228


             coap_new_string

[function] [call site] 00229


             coap_option_filter_clear

[function] [call site] 00230


             coap_option_filter_set

[function] [call site] 00231


             coap_option_iterator_init

[function] [call site] 00232


             coap_option_next

[function] [call site] 00233


             coap_opt_length

[function] [call site] 00234


             coap_opt_value

[function] [call site] 00235


             is_unescaped_in_path

[function] [call site] 00236


             coap_new_string

[function] [call site] 00237


             coap_option_iterator_init

[function] [call site] 00238


             coap_option_next

[function] [call site] 00239


             coap_opt_length

[function] [call site] 00240


             coap_opt_value

[function] [call site] 00241


             is_unescaped_in_path

[function] [call site] 00242


           coap_show_pdu

[function] [call site] 00243


             coap_get_log_level

[function] [call site] 00244


             msg_type_string

[function] [call site] 00245


             msg_code_string

[function] [call site] 00246


               snprintf

[call site] 00247


             snprintf

[call site] 00248


             coap_get_log_level

[function] [call site] 00249


             coap_log_impl

[function] [call site] 00250


             msg_code_string

[function] [call site] 00251


             snprintf

[call site] 00252


             coap_get_log_level

[function] [call site] 00253


             coap_log_impl

[function] [call site] 00254


             msg_code_string

[function] [call site] 00255


             snprintf

[call site] 00256


             strlen

[call site] 00257


             snprintf

[call site] 00258


             strlen

[call site] 00259


             snprintf

[call site] 00260


             coap_option_iterator_init

[function] [call site] 00261


             strlen

[call site] 00262


             snprintf

[call site] 00263


             coap_option_next

[function] [call site] 00264


             strlen

[call site] 00265


             snprintf

[call site] 00266


             coap_opt_value

[function] [call site] 00267


             coap_opt_length

[function] [call site] 00268


             coap_decode_var_bytes

[function] [call site] 00269


             snprintf

[call site] 00270


             coap_opt_value

[function] [call site] 00271


             coap_opt_length

[function] [call site] 00272


             print_readable

[function] [call site] 00273


               __assert_fail

[call site] 00274


               __ctype_b_loc

[call site] 00275


             coap_opt_value

[function] [call site] 00276


             coap_opt_length

[function] [call site] 00277


             coap_decode_var_bytes

[function] [call site] 00278


             snprintf

[call site] 00279


             coap_opt_value

[function] [call site] 00280


             coap_opt_length

[function] [call site] 00281


             coap_decode_var_bytes

[function] [call site] 00282


             snprintf

[call site] 00283


             coap_opt_value

[function] [call site] 00284


             coap_opt_length

[function] [call site] 00285


             coap_decode_var_bytes

[function] [call site] 00286


             print_content_format

[function] [call site] 00287


               snprintf

[call site] 00288


               snprintf

[call site] 00289


             coap_opt_length

[function] [call site] 00290


             coap_opt_value

[function] [call site] 00291


             coap_get_data

[function] [call site] 00292


               coap_get_data_large

[function] [call site] 00293


                 __assert_fail

[call site] 00294


                 __assert_fail

[call site] 00295


                 __assert_fail

[call site] 00296


             coap_opt_block_num

[function] [call site] 00297


               coap_opt_length

[function] [call site] 00298


               coap_opt_value

[function] [call site] 00299


               coap_opt_length

[function] [call site] 00300


               coap_decode_var_bytes

[function] [call site] 00301


               coap_opt_length

[function] [call site] 00302


               coap_opt_value

[function] [call site] 00303


             coap_opt_length

[function] [call site] 00304


             coap_opt_value

[function] [call site] 00305


             snprintf

[call site] 00306


             coap_opt_block_num

[function] [call site] 00307


             coap_opt_length

[function] [call site] 00308


             coap_opt_value

[function] [call site] 00309


             snprintf

[call site] 00310


             coap_opt_block_num

[function] [call site] 00311


             coap_opt_length

[function] [call site] 00312


             coap_opt_value

[function] [call site] 00313


             coap_opt_length

[function] [call site] 00314


             coap_opt_value

[function] [call site] 00315


             snprintf

[call site] 00316


             coap_opt_length

[function] [call site] 00317


             coap_opt_value

[function] [call site] 00318


             snprintf

[call site] 00319


             strlen

[call site] 00320


             snprintf

[call site] 00321


             strlen

[call site] 00322


             snprintf

[call site] 00323


             strlen

[call site] 00324


             snprintf

[call site] 00325


             strlen

[call site] 00326


             snprintf

[call site] 00327


             strlen

[call site] 00328


             snprintf

[call site] 00329


             strlen

[call site] 00330


             snprintf

[call site] 00331


             strlen

[call site] 00332


             coap_opt_length

[function] [call site] 00333


             coap_opt_value

[function] [call site] 00334


             coap_opt_length

[function] [call site] 00335


             coap_decode_var_bytes

[function] [call site] 00336


             snprintf

[call site] 00337


             coap_opt_length

[function] [call site] 00338


             coap_opt_value

[function] [call site] 00339


             snprintf

[call site] 00340


             strlen

[call site] 00341


             snprintf

[call site] 00342


             strlen

[call site] 00343


             coap_opt_value

[function] [call site] 00344


             coap_opt_length

[function] [call site] 00345


             coap_decode_var_bytes

[function] [call site] 00346


             coap_map_abbrev_uri_path

[function] [call site] 00347


             coap_map_abbrev_uri_path

[function] [call site] 00348


             snprintf

[call site] 00349


             snprintf

[call site] 00350


             strlen

[call site] 00351


             coap_opt_value

[function] [call site] 00352


             coap_opt_length

[function] [call site] 00353


             print_readable

[function] [call site] 00354


             strlen

[call site] 00355


             msg_option_string

[function] [call site] 00356


               snprintf

[call site] 00357


             snprintf

[call site] 00358


             strlen

[call site] 00359


             snprintf

[call site] 00360


             coap_get_data

[function] [call site] 00361


             strlen

[call site] 00362


             snprintf

[call site] 00363


             strlen

[call site] 00364


             snprintf

[call site] 00365


             fprintf

[call site] 00366


             coap_get_log_level

[function] [call site] 00367


             coap_log_impl

[function] [call site] 00368


             strlen

[call site] 00369


             snprintf

[call site] 00370


             is_binary

[function] [call site] 00371


             __ctype_b_loc

[call site] 00372


             strlen

[call site] 00373


             snprintf

[call site] 00374


             fprintf

[call site] 00375


             coap_get_log_level

[function] [call site] 00376


             coap_log_impl

[function] [call site] 00377


             snprintf

[call site] 00378


             strlen

[call site] 00379


             snprintf

[call site] 00380


             strlen

[call site] 00381


             snprintf

[call site] 00382


             strlen

[call site] 00383


             snprintf

[call site] 00384


             fprintf

[call site] 00385


             coap_get_log_level

[function] [call site] 00386


             coap_log_impl

[function] [call site] 00387


             snprintf

[call site] 00388


             strlen

[call site] 00389


             __ctype_b_loc

[call site] 00390


             snprintf

[call site] 00391


             strlen

[call site] 00392


             snprintf

[call site] 00393


             strlen

[call site] 00394


             print_readable

[function] [call site] 00395


             strlen

[call site] 00396


             snprintf

[call site] 00397


             fprintf

[call site] 00398


             coap_get_log_level

[function] [call site] 00399


             coap_log_impl

[function] [call site] 00400


           coap_pdu_encode_header

[function] [call site] 00401


             coap_get_log_level

[function] [call site] 00402


             coap_log_impl

[function] [call site] 00403


             __assert_fail

[call site] 00404


             coap_get_log_level

[function] [call site] 00405


             coap_log_impl

[function] [call site] 00406


             __assert_fail

[call site] 00407


             coap_get_log_level

[function] [call site] 00408


             coap_log_impl

[function] [call site] 00409


             __assert_fail

[call site] 00410


             coap_get_log_level

[function] [call site] 00411


             coap_log_impl

[function] [call site] 00412


             __assert_fail

[call site] 00413


             coap_get_log_level

[function] [call site] 00414


             coap_log_impl

[function] [call site] 00415


             __assert_fail

[call site] 00416


             coap_get_log_level

[function] [call site] 00417


             coap_log_impl

[function] [call site] 00418


             __assert_fail

[call site] 00419


             coap_get_log_level

[function] [call site] 00420


             coap_log_impl

[function] [call site] 00421


             coap_get_log_level

[function] [call site] 00422


             coap_log_impl

[function] [call site] 00423


           coap_delete_string

[function] [call site] 00424


             coap_free_type

[function] [call site] 00425


           coap_delete_string

[function] [call site] 00426


           coap_delete_pdu

[function] [call site] 00427


             coap_delete_pdu_lkd

[function] [call site] 00428


               coap_free_type

[function] [call site] 00429


               coap_delete_binary

[function] [call site] 00430


                 coap_free_type

[function] [call site] 00431


               coap_free_type

[function] [call site] 00432


           coap_cleanup

[function] [call site] 00433


             coap_dtls_shutdown

[function] [call site] 00434


               ENGINE_finish

[call site] 00435


               ENGINE_finish

[call site] 00436


               coap_dtls_set_log_level

[function] [call site] 00437


             coap_delete_upa_chain

[function] [call site] 00438


               coap_free_type

[function] [call site] 00439


             coap_delete_upa_chain

[function] [call site] 00440


             coap_debug_reset

[function] [call site] 00441