Fuzz introspector: fuzz-header
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
36 153 treathead call site: 00153 hts_log_vprint
17 130 treathead call site: 00130 convert_time_rfc822
5 13 strcpy_safe_ call site: 00013 log_abort_
4 37 treatfirstline call site: 00037 strcpy_safe_
4 99 treathead call site: 00099 hts_header_param
4 206 jump_protocol_const call site: 00206 strrchr_limit
4 233 treathead call site: 00233 strfield
3 201 jump_protocol_const call site: 00201 strfield
3 243 treathead call site: 00243 cookie_add
2 9 treatfirstline call site: 00009 hts_is_control_free_sized
2 29 infostatuscode call site: 00029 strcpy_safe_
2 90 treathead call site: 00090 strcpy_safe_

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_strdup [function] [call site] 00001
1 calloc [call site] 00002
1 strchr [call site] 00003
1 strlen [call site] 00004
1 treatfirstline [function] [call site] 00005
2 hts_status_code [function] [call site] 00007
2 strlen [call site] 00008
2 hts_is_control_free [function] [call site] 00009
3 strlen [call site] 00010
3 hts_is_control_free_sized [function] [call site] 00011
2 strcpy_safe_ [function] [call site] 00012
3 abortf_ [function] [call site] 00013
4 hts_get_error_callback [function] [call site] 00014
4 log_abort_ [function] [call site] 00015
5 fprintf [call site] 00016
5 fflush [call site] 00017
4 abort [call site] 00018
3 strncat_safe_ [function] [call site] 00019
4 strlen_safe_ [function] [call site] 00020
5 htssafe_strnlen_ [function] [call site] 00022
6 strnlen [call site] 00023
5 strlen [call site] 00024
4 strlen_safe_ [function] [call site] 00026
2 infostatuscode [function] [call site] 00028
3 infostatuscode_const [function] [call site] 00029
3 strcpy_safe_ [function] [call site] 00030
3 strcpy_safe_ [function] [call site] 00031
2 strcpy_safe_ [function] [call site] 00032
2 strcpy_safe_ [function] [call site] 00033
2 strcpy_safe_ [function] [call site] 00034
2 strcpy_safe_ [function] [call site] 00035
2 strcpy_safe_ [function] [call site] 00036
2 strcpy_safe_ [function] [call site] 00037
2 strcpy_safe_ [function] [call site] 00038
2 strcpy_safe_ [function] [call site] 00039
2 strcpy_safe_ [function] [call site] 00040
2 strcpy_safe_ [function] [call site] 00041
1 treathead [function] [call site] 00042
2 hts_scan_llint [function] [call site] 00044
3 __ctype_b_loc [call site] 00045
3 hts_parse_llint [function] [call site] 00046
4 is_decimal_digit [function] [call site] 00047
3 is_decimal_digit [function] [call site] 00048
3 hts_parse_llint [function] [call site] 00049
2 hts_header_param [function] [call site] 00051
3 span_in_set [function] [call site] 00052
4 strchr [call site] 00053
3 span_in_set [function] [call site] 00054
3 span_in_set [function] [call site] 00055
3 param_name_is [function] [call site] 00056
4 tolower [call site] 00057
3 span_in_set [function] [call site] 00058
3 param_escape [function] [call site] 00059
3 param_skip [function] [call site] 00060
4 span_in_set [function] [call site] 00061
4 param_escape [function] [call site] 00062
3 span_in_set [function] [call site] 00063
3 span_in_set [function] [call site] 00064
2 strchr [call site] 00065
2 hts_rtrim [function] [call site] 00066
3 hts_rtrimlen [function] [call site] 00067
4 strlen [call site] 00068
4 strchr [call site] 00069
2 strlen [call site] 00070
2 strcpy_safe_ [function] [call site] 00071
2 strlen [call site] 00073
2 strcpy_safe_ [function] [call site] 00074
2 strlen [call site] 00076
2 strcpy_safe_ [function] [call site] 00077
2 strlen [call site] 00079
2 strcpy_safe_ [function] [call site] 00080
2 strchr [call site] 00084
2 hts_header_param [function] [call site] 00085
2 strspn [call site] 00086
2 strcspn [call site] 00087
2 strncat_safe_ [function] [call site] 00088
2 __isoc99_sscanf [call site] 00089
2 strlen [call site] 00090
2 strcpy_safe_ [function] [call site] 00091
2 strcpy_safe_ [function] [call site] 00092
2 strncasecmp [call site] 00094
2 hts_scan_llint [function] [call site] 00095
2 hts_scan_llint [function] [call site] 00096
2 hts_scan_llint [function] [call site] 00097
2 strchr [call site] 00098
2 hts_scan_llint [function] [call site] 00099
2 hts_header_param [function] [call site] 00103
2 keep_alive_param [function] [call site] 00104
3 hts_scan_llint [function] [call site] 00105
2 hts_header_param [function] [call site] 00106
2 keep_alive_param [function] [call site] 00107
2 strchr [call site] 00111
2 __isoc99_sscanf [call site] 00112
2 strlen [call site] 00113
2 strcpy_safe_ [function] [call site] 00114
2 hts_codec_parse [function] [call site] 00115
3 strlen [call site] 00116
3 strlen [call site] 00118
3 strlen [call site] 00120
3 strlen [call site] 00122
3 strlen [call site] 00124
3 strlen [call site] 00126
2 time [call site] 00129
2 hts_parse_retry_after [function] [call site] 00130
3 strspn [call site] 00131
3 hts_parse_llint [function] [call site] 00132
3 convert_time_rfc822 [function] [call site] 00133
4 strlen [call site] 00134
4 strcpy_safe_ [function] [call site] 00135
4 strchr [call site] 00137
4 strchr [call site] 00138
4 strchr [call site] 00139
4 strspn [call site] 00140
4 strcspn [call site] 00141
4 strncat_safe_ [function] [call site] 00142
4 strstr [call site] 00143
4 strspn [call site] 00144
4 __ctype_b_loc [call site] 00145
4 hts_scan_llint [function] [call site] 00146
3 timegm [call site] 00147
2 strlen [call site] 00149
2 strcpy_safe_ [function] [call site] 00150
2 hts_location_is_safe [function] [call site] 00151
3 strstr [call site] 00152
2 hts_log_print [function] [call site] 00153
3 hts_log_vprint [function] [call site] 00155
4 __errno_location [call site] 00157
4 fspc_count [function] [call site] 00158
5 strcmp [call site] 00159
5 hts_increment_int [function] [call site] 00160
5 strcmp [call site] 00161
5 hts_increment_int [function] [call site] 00162
5 strcmp [call site] 00163
5 hts_increment_int [function] [call site] 00164
4 fspc [function] [call site] 00165
5 time [call site] 00166
5 hts_localtime [function] [call site] 00167
6 localtime_r [call site] 00168
5 strftime [call site] 00170
5 fprintf [call site] 00171
5 fprintf [call site] 00172
5 hts_store_release_int [function] [call site] 00173
5 hts_store_release_int [function] [call site] 00174
5 hts_store_release_int [function] [call site] 00175
5 strcmp [call site] 00176
5 hts_load_acquire_int [function] [call site] 00177
5 strcmp [call site] 00178
5 hts_load_acquire_int [function] [call site] 00179
5 strcmp [call site] 00180
5 hts_load_acquire_int [function] [call site] 00181
4 vfprintf [call site] 00182
4 hts_strerror [function] [call site] 00183
5 __xpg_strerror_r [call site] 00185
5 strclipbuff [function] [call site] 00186
6 strlen [call site] 00188
4 fprintf [call site] 00189
4 fputs [call site] 00190
4 fflush [call site] 00191
4 __errno_location [call site] 00192
2 strlen [call site] 00193
2 hts_log_print [function] [call site] 00194
2 strlen [call site] 00196
2 cookie_host [function] [call site] 00197
3 jump_identification_const [function] [call site] 00198
4 strcmp [call site] 00199
4 jump_protocol_const [function] [call site] 00200
4 strchr [call site] 00209
4 strrchr_limit [function] [call site] 00210
5 strrchr [call site] 00211
5 strchr [call site] 00212
3 strchr [call site] 00213
3 strlen [call site] 00214
3 strchr [call site] 00215
3 strchr [call site] 00216
3 strlen [call site] 00217
3 strncat_safe_ [function] [call site] 00218
3 hts_lowcase [function] [call site] 00219
3 strchr [call site] 00220
3 strlen [call site] 00221
2 strcpy_safe_ [function] [call site] 00222
2 strcpy_safe_ [function] [call site] 00223
2 strcpy_safe_ [function] [call site] 00224
2 strcpy_safe_ [function] [call site] 00225
2 strncat_safe_ [function] [call site] 00226
2 strncat_safe_ [function] [call site] 00227
2 strlen [call site] 00228
2 strcpy_safe_ [function] [call site] 00230
2 strlen [call site] 00231
2 strcpy_safe_ [function] [call site] 00233
2 strlen [call site] 00234
2 strlen [call site] 00236
2 strlen [call site] 00238
2 strlen [call site] 00240
2 strlen [call site] 00242
2 strcpy_safe_ [function] [call site] 00244
2 strcpy_safe_ [function] [call site] 00245
2 cookie_add [function] [call site] 00246
3 cookie_host [function] [call site] 00247
3 cookie_del [function] [call site] 00248
4 cookie_host [function] [call site] 00249
4 cookie_find [function] [call site] 00250
5 cookie_get [function] [call site] 00251
6 strspn [call site] 00252
6 strchr [call site] 00253
6 strlen [call site] 00254
6 hts_span_next [function] [call site] 00255
7 memchr [call site] 00256
6 htsbuff_ptr_ [function] [call site] 00257
6 htsbuff_catn [function] [call site] 00259
7 htssafe_strnlen_ [function] [call site] 00260
7 strlen [call site] 00261
5 strcmp [call site] 00263
5 cookie_get [function] [call site] 00264
5 cookie_domain_match [function] [call site] 00265
6 strlen [call site] 00266
6 strlen [call site] 00267
6 strcmpnocase [function] [call site] 00268
6 hts_host_is_ipv4 [function] [call site] 00269
6 memchr [call site] 00270
5 cookie_get [function] [call site] 00271
5 strlen [call site] 00272
5 strlen [call site] 00273
5 strncmp [call site] 00274
5 cookie_nextfield [function] [call site] 00275
6 strchr [call site] 00276
6 strlen [call site] 00277
6 strspn [call site] 00278
4 cookie_nextfield [function] [call site] 00279
4 cookie_delete [function] [call site] 00280
5 strlen [call site] 00281
5 strlen [call site] 00282
5 strcpy_safe_ [function] [call site] 00283
5 strcpy_safe_ [function] [call site] 00284
3 strlen [call site] 00285
3 strlen [call site] 00286
3 strlen [call site] 00287
3 strlen [call site] 00288
3 strlen [call site] 00289
3 strlen [call site] 00290
3 strlen [call site] 00291
3 cookie_get [function] [call site] 00292
3 strlen [call site] 00293
3 strlen [call site] 00294
3 strchr [call site] 00295
3 strlen [call site] 00296
3 strspn [call site] 00297
3 strcpy_safe_ [function] [call site] 00298
3 strncat_safe_ [function] [call site] 00299
3 strncat_safe_ [function] [call site] 00300
3 strncat_safe_ [function] [call site] 00301
3 strncat_safe_ [function] [call site] 00302
3 strncat_safe_ [function] [call site] 00303
3 strncat_safe_ [function] [call site] 00304
3 strncat_safe_ [function] [call site] 00305
3 strncat_safe_ [function] [call site] 00306
3 strncat_safe_ [function] [call site] 00307
3 strncat_safe_ [function] [call site] 00308
3 strncat_safe_ [function] [call site] 00309
3 strncat_safe_ [function] [call site] 00310
3 strncat_safe_ [function] [call site] 00311
3 strlen [call site] 00312
3 strlen [call site] 00313
3 cookie_insert [function] [call site] 00314
4 strncat_safe_ [function] [call site] 00315
4 strlen [call site] 00316
4 strlen [call site] 00317
4 strcpy_safe_ [function] [call site] 00318
4 strcpy_safe_ [function] [call site] 00319
4 strncat_safe_ [function] [call site] 00320
1 fuzz_header_param [function] [call site] 00321
2 hts_header_param [function] [call site] 00322
2 strlen [call site] 00323
2 abort [call site] 00324