Fuzz introspector: fuzz-json
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
7 166 pj_throw_exception_ call site: 00166 pj_log_1
5 37 pj_ansi_strxcpy call site: 00037 pj_ansi_strxcpy
4 49 pj_thread_this call site: 00049 pj_thread_get_name
4 227 pj_strtoul2 call site: 00227 pj_isxdigit
4 310 reset_pool call site: 00310 pj_log_4
2 7 pj_log_init call site: 00007 pj_thread_local_free
2 11 pj_log_init call site: 00011 pj_thread_local_free
2 22 pj_thread_local_get call site: 00022 pj_log_4
1 32 pj_gettimeofday call site: 00032 __errno_location
1 35 pj_time_decode call site: 00035 pj_ansi_strxcpy
1 47 pj_log call site: 00047 pj_thread_this
1 57 log_get_raw_indent call site: 00057 pj_memset

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 calloc [call site] 00001
1 pj_init [function] [call site] 00002
2 pj_log_init [function] [call site] 00003
3 pj_thread_local_alloc [function] [call site] 00004
4 __assert_fail [call site] 00005
4 pthread_key_create [call site] 00006
3 pj_thread_local_alloc [function] [call site] 00007
3 pj_thread_local_free [function] [call site] 00008
4 pthread_key_delete [call site] 00009
3 pj_atexit [function] [call site] 00010
3 logging_shutdown [function] [call site] 00011
4 pj_thread_local_free [function] [call site] 00012
4 pj_thread_local_free [function] [call site] 00013
3 pj_log_get_decor [function] [call site] 00014
3 pj_log_set_decor [function] [call site] 00015
2 pj_thread_init [function] [call site] 00016
3 pj_thread_local_alloc [function] [call site] 00017
3 pj_thread_register [function] [call site] 00018
4 pj_str [function] [call site] 00019
5 strlen [call site] 00020
4 pj_thread_local_get [function] [call site] 00021
5 pthread_getspecific [call site] 00022
4 pj_log_get_level [function] [call site] 00023
4 pj_log_4 [function] [call site] 00024
5 pj_log [function] [call site] 00025
6 is_logging_suspended [function] [call site] 00026
7 pj_thread_local_get [function] [call site] 00027
6 suspend_logging [function] [call site] 00028
7 pj_thread_local_set [function] [call site] 00029
8 pthread_setspecific [call site] 00030
6 pj_gettimeofday [function] [call site] 00031
7 gettimeofday [call site] 00032
7 __errno_location [call site] 00033
6 pj_time_decode [function] [call site] 00034
7 localtime_r [call site] 00035
6 pj_ansi_strxcpy [function] [call site] 00036
7 __assert_fail [call site] 00037
6 pj_ansi_strxcpy [function] [call site] 00038
6 pj_utoa [function] [call site] 00039
7 pj_utoa_pad [function] [call site] 00040
6 pj_utoa_pad [function] [call site] 00041
6 pj_utoa_pad [function] [call site] 00042
6 pj_utoa_pad [function] [call site] 00043
6 pj_utoa_pad [function] [call site] 00044
6 pj_utoa_pad [function] [call site] 00045
6 pj_utoa_pad [function] [call site] 00046
6 strlen [call site] 00047
6 pj_thread_this [function] [call site] 00048
7 pj_thread_local_get [function] [call site] 00049
7 __assert_fail [call site] 00050
6 pj_thread_get_name [function] [call site] 00051
7 __assert_fail [call site] 00052
6 strlen [call site] 00053
6 pj_thread_this [function] [call site] 00054
6 pj_log_get_indent [function] [call site] 00055
7 log_get_raw_indent [function] [call site] 00056
8 pj_thread_local_get [function] [call site] 00057
6 pj_memset [function] [call site] 00058
6 vsnprintf [call site] 00059
6 snprintf [call site] 00060
6 resume_logging [function] [call site] 00061
7 pj_thread_local_set [function] [call site] 00062
4 pthread_self [call site] 00063
4 __assert_fail [call site] 00064
4 pj_bzero [function] [call site] 00065
4 pthread_self [call site] 00066
4 pj_strlen [function] [call site] 00067
4 snprintf [call site] 00068
4 snprintf [call site] 00069
4 pj_thread_local_set [function] [call site] 00070
4 pj_bzero [function] [call site] 00071
2 init_mutex [function] [call site] 00072
3 pthread_mutexattr_init [call site] 00073
3 pthread_mutexattr_settype [call site] 00074
3 pthread_mutexattr_settype [call site] 00075
3 pthread_mutex_init [call site] 00076
3 pthread_mutexattr_destroy [call site] 00077
3 pthread_mutex_destroy [call site] 00078
3 strchr [call site] 00079
3 snprintf [call site] 00080
3 pj_ansi_strxcpy [function] [call site] 00081
2 pj_exception_id_alloc [function] [call site] 00082
3 pj_enter_critical_section [function] [call site] 00083
4 pj_mutex_lock [function] [call site] 00084
5 __assert_fail [call site] 00085
5 pthread_mutex_lock [call site] 00086
5 pj_thread_this [function] [call site] 00087
5 pj_ansi_strxcpy [function] [call site] 00088
3 pj_leave_critical_section [function] [call site] 00089
4 pj_mutex_unlock [function] [call site] 00090
5 __assert_fail [call site] 00091
5 pj_thread_this [function] [call site] 00092
5 __assert_fail [call site] 00093
5 pthread_mutex_unlock [call site] 00094
3 pj_leave_critical_section [function] [call site] 00095
2 pj_generate_unique_string [function] [call site] 00096
3 pj_enter_critical_section [function] [call site] 00097
3 init_guid_chars [function] [call site] 00098
3 pj_leave_critical_section [function] [call site] 00099
3 pj_rand [function] [call site] 00100
4 rand [call site] 00101
2 pj_get_timestamp [function] [call site] 00102
3 clock_gettime [call site] 00103
3 __errno_location [call site] 00104
2 __assert_fail [call site] 00105
2 pj_log_get_level [function] [call site] 00106
2 pj_log_4 [function] [call site] 00107
1 pj_caching_pool_init [function] [call site] 00108
2 pj_bzero [function] [call site] 00109
2 pj_list_init [function] [call site] 00110
2 pj_list_init [function] [call site] 00111
2 pj_memcpy [function] [call site] 00112
2 pj_pool_create_on_buf [function] [call site] 00113
3 __assert_fail [call site] 00114
3 pool_buf_initialize [function] [call site] 00115
4 pj_atexit [function] [call site] 00116
4 pool_buf_cleanup [function] [call site] 00117
5 pj_thread_local_free [function] [call site] 00118
4 pj_thread_local_alloc [function] [call site] 00119
3 pj_thread_local_set [function] [call site] 00120
3 pj_pool_create_int [function] [call site] 00121
4 __assert_fail [call site] 00122
4 __assert_fail [call site] 00123
4 pj_bzero [function] [call site] 00124
4 pj_list_init [function] [call site] 00125
4 pj_list_insert_after [function] [call site] 00126
4 pj_pool_init_int [function] [call site] 00127
5 __assert_fail [call site] 00128
5 strchr [call site] 00129
5 snprintf [call site] 00130
5 pj_ansi_strxcpy [function] [call site] 00131
2 pj_lock_create_simple_mutex [function] [call site] 00132
3 create_mutex_lock [function] [call site] 00133
4 __assert_fail [call site] 00134
4 pj_pool_alloc [function] [call site] 00135
5 pj_pool_aligned_alloc [function] [call site] 00136
6 __assert_fail [call site] 00137
6 pj_pool_alloc_from_block [function] [call site] 00138
7 __assert_fail [call site] 00139
6 pj_pool_allocate_find [function] [call site] 00140
7 __assert_fail [call site] 00141
7 pj_pool_alloc_from_block [function] [call site] 00142
7 pj_pool_create_block [function] [call site] 00143
8 __assert_fail [call site] 00144
8 pj_list_insert_after [function] [call site] 00145
7 pj_pool_alloc_from_block [function] [call site] 00146
7 __assert_fail [call site] 00147
4 pj_memcpy [function] [call site] 00148
4 pj_mutex_create [function] [call site] 00149
5 __assert_fail [call site] 00150
5 pj_pool_alloc [function] [call site] 00151
5 __assert_fail [call site] 00152
5 init_mutex [function] [call site] 00153
2 __assert_fail [call site] 00154
1 pj_log_set_level [function] [call site] 00155
1 Json_parse [function] [call site] 00156
2 pj_pool_create [function] [call site] 00157
3 pj_pool_aligned_create [function] [call site] 00158
2 pj_json_parse [function] [call site] 00159
3 __assert_fail [call site] 00160
3 pj_bzero [function] [call site] 00161
3 pj_scan_init [function] [call site] 00162
4 pj_scan_skip_whitespace [function] [call site] 00163
3 on_syntax_error [function] [call site] 00164
4 pj_throw_exception_ [function] [call site] 00165
5 pj_thread_local_get [function] [call site] 00166
5 pj_log_get_level [function] [call site] 00167
5 pj_exception_id_name [function] [call site] 00168
6 __assert_fail [call site] 00169
6 snprintf [call site] 00170
5 pj_log_1 [function] [call site] 00171
6 pj_log [function] [call site] 00172
5 __assert_fail [call site] 00173
5 pj_pop_exception_handler_ [function] [call site] 00174
6 pj_thread_local_get [function] [call site] 00175
6 pj_thread_local_set [function] [call site] 00176
5 longjmp [call site] 00177
3 pj_cis_buf_init [function] [call site] 00178
4 pj_bzero [function] [call site] 00179
3 pj_cis_init [function] [call site] 00180
3 pj_cis_add_str [function] [call site] 00181
3 pj_push_exception_handler_ [function] [call site] 00182
4 pj_thread_local_alloc [function] [call site] 00183
4 __assert_fail [call site] 00184
4 pj_atexit [function] [call site] 00185
4 exception_cleanup [function] [call site] 00186
5 pj_thread_local_free [function] [call site] 00187
4 pj_thread_local_get [function] [call site] 00188
4 pj_thread_local_set [function] [call site] 00189
3 _setjmp [call site] 00190
3 parse_elem_throw [function] [call site] 00191
4 pj_pool_alloc [function] [call site] 00192
4 pj_scan_get_char [function] [call site] 00193
5 pj_scan_syntax_err [function] [call site] 00194
5 pj_scan_skip_whitespace [function] [call site] 00195
4 pj_scan_get_until_ch [function] [call site] 00196
5 pj_scan_syntax_err [function] [call site] 00197
5 pj_strset3 [function] [call site] 00198
5 pj_scan_is_eof [function] [call site] 00199
5 pj_scan_skip_whitespace [function] [call site] 00200
4 pj_scan_get_char [function] [call site] 00201
4 pj_scan_get_char [function] [call site] 00202
4 pj_json_elem_string [function] [call site] 00203
4 pj_cis_match [function] [call site] 00204
4 pj_scan_get_char [function] [call site] 00205
4 pj_scan_get [function] [call site] 00206
5 pj_cis_match [function] [call site] 00207
5 __assert_fail [call site] 00208
5 pj_scan_is_eof [function] [call site] 00209
5 pj_cis_match [function] [call site] 00210
5 pj_scan_syntax_err [function] [call site] 00211
5 pj_cis_match [function] [call site] 00212
5 pj_strset3 [function] [call site] 00213
5 pj_scan_is_eof [function] [call site] 00214
5 pj_scan_skip_whitespace [function] [call site] 00215
4 pj_strtof [function] [call site] 00216
5 __assert_fail [call site] 00217
5 pj_memchr [function] [call site] 00218
6 memchr [call site] 00219
5 pj_strtol [function] [call site] 00220
6 pj_strtoul [function] [call site] 00221
7 __assert_fail [call site] 00222
7 pj_isdigit [function] [call site] 00223
8 __ctype_b_loc [call site] 00224
6 pj_strtoul [function] [call site] 00225
5 pj_strtoul2 [function] [call site] 00226
6 __assert_fail [call site] 00227
6 pj_isxdigit [function] [call site] 00228
7 __ctype_b_loc [call site] 00229
6 pj_hex_digit_to_val [function] [call site] 00230
6 __assert_fail [call site] 00231
4 pj_json_elem_number [function] [call site] 00232
4 parse_quoted_string [function] [call site] 00233
5 pj_scan_get_quote [function] [call site] 00234
6 pj_scan_get_quotes [function] [call site] 00235
7 __assert_fail [call site] 00236
7 pj_scan_syntax_err [function] [call site] 00237
7 pj_scan_syntax_err [function] [call site] 00238
7 pj_strset3 [function] [call site] 00239
7 pj_scan_is_eof [function] [call site] 00240
7 pj_scan_skip_whitespace [function] [call site] 00241
5 pj_strchr [function] [call site] 00242
6 memchr [call site] 00243
5 pj_pool_alloc [function] [call site] 00244
5 pj_hex_digit_to_val [function] [call site] 00245
5 pj_hex_digit_to_val [function] [call site] 00246
4 pj_json_elem_string [function] [call site] 00247
4 pj_isalpha [function] [call site] 00248
5 __ctype_b_loc [call site] 00249
4 pj_scan_strcmp [function] [call site] 00250
5 pj_scan_syntax_err [function] [call site] 00251
5 strncmp [call site] 00252
4 pj_json_elem_bool [function] [call site] 00253
4 pj_scan_advance_n [function] [call site] 00254
5 pj_scan_syntax_err [function] [call site] 00255
5 pj_scan_is_eof [function] [call site] 00256
5 pj_scan_skip_whitespace [function] [call site] 00257
4 pj_scan_strcmp [function] [call site] 00258
4 pj_json_elem_bool [function] [call site] 00259
4 pj_scan_advance_n [function] [call site] 00260
4 pj_scan_strcmp [function] [call site] 00261
4 pj_json_elem_null [function] [call site] 00262
4 pj_scan_advance_n [function] [call site] 00263
4 pj_json_elem_array [function] [call site] 00264
5 pj_list_init [function] [call site] 00265
4 parse_children [function] [call site] 00266
5 pj_scan_get_char [function] [call site] 00267
5 pj_scan_get_char [function] [call site] 00268
5 parse_elem_throw [function] [call site] 00269
6 pj_json_elem_obj [function] [call site] 00270
7 pj_list_init [function] [call site] 00271
6 parse_children [function] [call site] 00272
7 pj_json_elem_add [function] [call site] 00273
8 __assert_fail [call site] 00274
8 pj_list_push_back [function] [call site] 00275
9 pj_list_insert_before [function] [call site] 00276
10 pj_list_insert_after [function] [call site] 00277
7 pj_scan_get_char [function] [call site] 00278
3 pj_pop_exception_handler_ [function] [call site] 00279
3 pj_scan_get_col [function] [call site] 00280
3 pj_scan_fini [function] [call site] 00281
2 pj_pool_alloc [function] [call site] 00282
2 pj_json_write [function] [call site] 00283
3 pj_json_writef [function] [call site] 00284
4 __assert_fail [call site] 00285
4 pj_memset [function] [call site] 00286
4 pj_memset [function] [call site] 00287
4 elem_write [function] [call site] 00288
5 write_string_escaped [function] [call site] 00289
6 pj_val_to_hex_digit [function] [call site] 00290
5 snprintf [call site] 00291
5 snprintf [call site] 00292
5 write_string_escaped [function] [call site] 00293
5 write_children [function] [call site] 00294
6 pj_list_empty [function] [call site] 00295
6 elem_write [function] [call site] 00296
7 write_children [function] [call site] 00297
8 elem_write [function] [call site] 00298
9 __assert_fail [call site] 00299
3 buf_writer [function] [call site] 00300
4 pj_memcpy [function] [call site] 00301
2 pj_pool_release [function] [call site] 00302
2 pj_pool_release [function] [call site] 00303
1 pj_caching_pool_destroy [function] [call site] 00304
2 pj_list_erase [function] [call site] 00305
3 pj_link_node [function] [call site] 00306
3 pj_list_init [function] [call site] 00307
2 pj_pool_destroy_int [function] [call site] 00308
3 reset_pool [function] [call site] 00309
4 pj_list_erase [function] [call site] 00310
2 pj_list_erase [function] [call site] 00311
2 pj_log_get_level [function] [call site] 00312
2 pj_log_4 [function] [call site] 00313
2 pj_pool_destroy_int [function] [call site] 00314
2 pj_lock_destroy [function] [call site] 00315
3 __assert_fail [call site] 00316
2 pj_lock_create_null_mutex [function] [call site] 00317
3 __assert_fail [call site] 00318