Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
6	49	response_add_header_int(MHD_Response, char const, char const*)	call site: 00049	pthread_mutex_unlock
3	158	mhd_response_deinit_content_data(MHD_Response*)	call site: 00158
2	65	MHD_response_set_options	call site: 00065	pthread_mutex_unlock
1	29	add_headers(FuzzedDataProvider&, MHD_Response*)	call site: 00029	pthread_mutex_lock
1	69	response_make_reusable(MHD_Response*)	call site: 00069	pthread_mutex_destroy
1	128	response_add_auth_digest_challenge_int(MHD_Response, char const, char const, char const, MHD_Bool, MHD_DigestAuthMultiQOP, MHD_DigestAuthMultiAlgo, MHD_Bool, MHD_Bool)	call site: 00128
1	149	LLVMFuzzerTestOneInput	call site: 00149

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           pick_status_code(FuzzedDataProvider&)

[function] [call site] 00001


           create_response(FuzzedDataProvider&, MHD_HTTP_StatusCode)

[function] [call site] 00002


             MHD_response_from_buffer

[function] [call site] 00003


               response_create_basic(MHD_HTTP_StatusCode, unsigned long, void (*)(void*), void*)

[function] [call site] 00004


                 calloc

[call site] 00005


                 calloc

[call site] 00006


             MHD_response_from_buffer

[function] [call site] 00007


             MHD_response_from_buffer_copy

[function] [call site] 00008


               response_create_basic(MHD_HTTP_StatusCode, unsigned long, void (*)(void*), void*)

[function] [call site] 00009


               response_cntn_free_buf(void*)

[function] [call site] 00010


               response_create_basic(MHD_HTTP_StatusCode, unsigned long, void (*)(void*), void*)

[function] [call site] 00011


             MHD_response_from_iovec

[function] [call site] 00012


               response_create_basic(MHD_HTTP_StatusCode, unsigned long, void (*)(void*), void*)

[function] [call site] 00013


               calloc

[call site] 00014


               response_create_basic(MHD_HTTP_StatusCode, unsigned long, void (*)(void*), void*)

[function] [call site] 00015


             mkstemp

[call site] 00016


             unlink

[call site] 00017


             write

[call site] 00018


             MHD_response_from_fd

[function] [call site] 00019


               response_create_basic(MHD_HTTP_StatusCode, unsigned long, void (*)(void*), void*)

[function] [call site] 00020


             close

[call site] 00021


             pipe

[call site] 00022


             write

[call site] 00023


             close

[call site] 00024


             MHD_response_from_pipe

[function] [call site] 00025


               response_create_basic(MHD_HTTP_StatusCode, unsigned long, void (*)(void*), void*)

[function] [call site] 00026


             close

[call site] 00027


           add_headers(FuzzedDataProvider&, MHD_Response*)

[function] [call site] 00028


             MHD_response_add_header

[function] [call site] 00029


               pthread_mutex_lock

[call site] 00030


               response_add_header_int(MHD_Response*, char const*, char const*)

[function] [call site] 00031


                 strlen

[call site] 00032


                 strlen

[call site] 00033


                 memchr

[call site] 00034


                 memchr

[call site] 00035


                 memchr

[call site] 00036


                 memchr

[call site] 00037


                 memchr

[call site] 00038


                 memchr

[call site] 00039


                 memchr

[call site] 00040


                 mhd_str_equal_caseless_bin_n(char const*, char const*, unsigned long)

[function] [call site] 00041


                 response_add_header_no_check(MHD_Response*, unsigned long, char const*, unsigned long, char const*)

[function] [call site] 00042


                   is_name_h2_allowed(unsigned long, char const*)

[function] [call site] 00043


                     mhd_str_equal_caseless_bin_n(char const*, char const*, unsigned long)

[function] [call site] 00044


                   mhd_str_is_lowercase_bin_n(unsigned long, char const*)

[function] [call site] 00045


                   mhd_str_to_lowercase_bin_n(unsigned long, char const*, char*)

[function] [call site] 00046


                 mhd_str_equal_caseless_bin_n(char const*, char const*, unsigned long)

[function] [call site] 00047


                 response_add_header_no_check(MHD_Response*, unsigned long, char const*, unsigned long, char const*)

[function] [call site] 00048


                 response_add_header_no_check(MHD_Response*, unsigned long, char const*, unsigned long, char const*)

[function] [call site] 00049


               pthread_mutex_unlock

[call site] 00050


               mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00051


                 fprintf

[call site] 00052


                 fprintf

[call site] 00053


                 fprintf

[call site] 00054


                 abort

[call site] 00055


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00056


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00057


             MHD_response_add_header

[function] [call site] 00058


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00059


             MHD_response_add_predef_header

[function] [call site] 00060


           randomise_response_options(FuzzedDataProvider&, MHD_Response*)

[function] [call site] 00061


             ToMhdBool(bool)

[function] [call site] 00062


             MHD_R_OPTION_REUSABLE(MHD_Bool)

[function] [call site] 00063


             MHD_response_set_options

[function] [call site] 00064


               pthread_mutex_lock

[call site] 00065


               pthread_mutex_unlock

[call site] 00066


               mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00067


               response_make_reusable(MHD_Response*)

[function] [call site] 00068


                 pthread_mutex_init

[call site] 00069


                 pthread_mutex_destroy

[call site] 00070


               pthread_mutex_unlock

[call site] 00071


               mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00072


             ToMhdBool(bool)

[function] [call site] 00073


             MHD_R_OPTION_HEAD_ONLY_RESPONSE(MHD_Bool)

[function] [call site] 00074


             MHD_response_set_options

[function] [call site] 00075


             ToMhdBool(bool)

[function] [call site] 00076


             MHD_R_OPTION_CHUNKED_ENC(MHD_Bool)

[function] [call site] 00077


             MHD_response_set_options

[function] [call site] 00078


             ToMhdBool(bool)

[function] [call site] 00079


             MHD_R_OPTION_CONN_CLOSE(MHD_Bool)

[function] [call site] 00080


             MHD_response_set_options

[function] [call site] 00081


             ToMhdBool(bool)

[function] [call site] 00082


             MHD_R_OPTION_HTTP_1_0_SERVER(MHD_Bool)

[function] [call site] 00083


             MHD_response_set_options

[function] [call site] 00084


             ToMhdBool(bool)

[function] [call site] 00085


             MHD_R_OPTION_HTTP_1_0_COMPATIBLE_STRICT(MHD_Bool)

[function] [call site] 00086


             MHD_response_set_options

[function] [call site] 00087


             ToMhdBool(bool)

[function] [call site] 00088


             MHD_R_OPTION_INSANITY_HEADER_CONTENT_LENGTH(MHD_Bool)

[function] [call site] 00089


             MHD_response_set_options

[function] [call site] 00090


             MHD_R_OPTION_TERMINATION_CALLBACK(void (*)(void*, MHD_RequestEndedData const*, void*), void*)

[function] [call site] 00091


             request_ended_cb(void*, MHD_RequestEndedData const*, void*)

[function] [call site] 00092


             MHD_response_set_options

[function] [call site] 00093


           add_auth(FuzzedDataProvider&, MHD_Response*, MHD_HTTP_StatusCode)

[function] [call site] 00094


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00095


             ToMhdBool(bool)

[function] [call site] 00096


             MHD_response_add_auth_basic_challenge

[function] [call site] 00097


               pthread_mutex_lock

[call site] 00098


               response_add_auth_basic_challenge_int(MHD_Response*, char const*, MHD_Bool)

[function] [call site] 00099


                 strlen

[call site] 00100


                 memchr

[call site] 00101


                 memchr

[call site] 00102


                 mhd_str_quote(char const*, unsigned long, char*, unsigned long)

[function] [call site] 00103


                 realloc

[call site] 00104


               pthread_mutex_unlock

[call site] 00105


               mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00106


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00107


             ToMhdBool(bool)

[function] [call site] 00108


             ToMhdBool(bool)

[function] [call site] 00109


             MHD_response_add_auth_digest_challenge

[function] [call site] 00110


               pthread_mutex_lock

[call site] 00111


               response_add_auth_digest_challenge_int(MHD_Response*, char const*, char const*, char const*, MHD_Bool, MHD_DigestAuthMultiQOP, MHD_DigestAuthMultiAlgo, MHD_Bool, MHD_Bool)

[function] [call site] 00112


                 strlen

[call site] 00113


                 strlen

[call site] 00114


                 strlen

[call site] 00115


                 memchr

[call site] 00116


                 memchr

[call site] 00117


                 memchr

[call site] 00118


                 memchr

[call site] 00119


                 memchr

[call site] 00120


                 memchr

[call site] 00121


                 memchr

[call site] 00122


                 response_add_auth_digest_challenge_alg(MHD_Response*, MHD_String const*, MHD_StringNullable const*, MHD_StringNullable const*, MHD_Bool, bool, MHD_DigestAuthAlgo, MHD_Bool, MHD_Bool)

[function] [call site] 00123


                   mhd_str_quote(char const*, unsigned long, char*, unsigned long)

[function] [call site] 00124


                   mhd_str_quote(char const*, unsigned long, char*, unsigned long)

[function] [call site] 00125


                   realloc

[call site] 00126


                 response_add_auth_digest_challenge_alg(MHD_Response*, MHD_String const*, MHD_StringNullable const*, MHD_StringNullable const*, MHD_Bool, bool, MHD_DigestAuthAlgo, MHD_Bool, MHD_Bool)

[function] [call site] 00127


                 response_add_auth_digest_challenge_alg(MHD_Response*, MHD_String const*, MHD_StringNullable const*, MHD_StringNullable const*, MHD_Bool, bool, MHD_DigestAuthAlgo, MHD_Bool, MHD_Bool)

[function] [call site] 00128


                 mhd_response_remove_auth_digest_headers(MHD_Response*)

[function] [call site] 00129


               pthread_mutex_unlock

[call site] 00130


               mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00131


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00132


             ToMhdBool(bool)

[function] [call site] 00133


             ToMhdBool(bool)

[function] [call site] 00134


             ToMhdBool(bool)

[function] [call site] 00135


             MHD_response_add_auth_digest_challenge

[function] [call site] 00136


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00137


             ToMhdBool(bool)

[function] [call site] 00138


             MHD_response_add_auth_basic_challenge

[function] [call site] 00139


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00140


             ToMhdBool(bool)

[function] [call site] 00141


             MHD_response_add_auth_basic_challenge

[function] [call site] 00142


             safe_ascii(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool)

[function] [call site] 00143


             ToMhdBool(bool)

[function] [call site] 00144


             ToMhdBool(bool)

[function] [call site] 00145


             MHD_response_add_auth_digest_challenge

[function] [call site] 00146


           MHD_HTTP_status_code_to_string

[function] [call site] 00147


           MHD_status_code_to_string

[call site] 00148


           MHD_response_destroy

[function] [call site] 00149


             mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00150


             response_full_deinit(MHD_Response*)

[function] [call site] 00151


               mhd_response_remove_auth_digest_headers(MHD_Response*)

[function] [call site] 00152


               mhd_response_remove_all_headers(MHD_Response*)

[function] [call site] 00153


               mhd_response_deinit_reusable(MHD_Response*)

[function] [call site] 00154


                 pthread_mutex_destroy

[call site] 00155


                 mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00156


               mhd_response_deinit_content_data(MHD_Response*)

[function] [call site] 00157


                 close

[call site] 00158


             mhd_response_dec_use_count(MHD_Response*)

[function] [call site] 00159


               mhd_panic(char const*, char const*, unsigned int, char const*)

[function] [call site] 00160


               response_full_deinit(MHD_Response*)

[function] [call site] 00161