Fuzz introspector: fuzz_proxy.c
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
461 0 EP call site: {node_id} establish_http_proxy_passthru

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_random_init [call site] 00001
1 gc_new [function] [call site] 00002
2 gc_init [function] [call site] 00003
1 alloc_buf [call site] 00004
1 memset [call site] 00005
1 memset [call site] 00006
1 memset [call site] 00007
1 fuzz_random_get_string_max_length [call site] 00008
1 strcpy [call site] 00009
1 strlen [call site] 00010
1 gc_free [function] [call site] 00011
2 x_gc_free [function] [call site] 00012
3 free [call site] 00013
2 x_gc_freespecial [function] [call site] 00014
3 free [call site] 00015
1 free_buf [function] [call site] 00016
2 free [call site] 00017
2 CLEAR [call site] 00018
1 free [call site] 00019
1 fuzz_random_destroy [call site] 00020
1 fuzz_random_get_string_max_length [call site] 00021
1 strcpy [call site] 00022
1 strlen [call site] 00023
1 gc_free [function] [call site] 00024
1 free_buf [function] [call site] 00025
1 free [call site] 00026
1 free [call site] 00027
1 fuzz_random_destroy [call site] 00028
1 fuzz_randomizer_get_int [call site] 00029
1 fuzz_randomizer_get_int [call site] 00030
1 get_random_string [call site] 00031
1 get_random_string [call site] 00032
1 get_random_string [call site] 00033
1 establish_http_proxy_passthru [function] [call site] 00034
2 gc_new [function] [call site] 00035
2 get_user_pass_http [function] [call site] 00036
3 clear_user_pass_http [function] [call site] 00037
4 purge_user_pass [call site] 00038
3 get_user_pass [function] [call site] 00039
4 get_user_pass_cr [call site] 00040
3 protect_user_pass [function] [call site] 00041
4 protect_buffer_win32 [call site] 00042
4 protect_buffer_win32 [call site] 00043
4 purge_user_pass [call site] 00044
2 clear_user_pass_http [function] [call site] 00045
2 unprotect_user_pass [function] [call site] 00046
3 unprotect_buffer_win32 [call site] 00047
3 unprotect_buffer_win32 [call site] 00048
3 purge_user_pass [call site] 00049
2 snprintf [call site] 00050
2 msg [function] [call site] 00051
3 Span [call site] 00052
2 send_line_crlf [function] [call site] 00053
3 alloc_buf [call site] 00054
3 strlen [call site] 00055
3 ASSERT [call site] 00056
3 buf_write [function] [call site] 00057
4 buf_write_alloc [function] [call site] 00058
5 buf_safe [function] [call site] 00059
6 buf_valid [function] [call site] 00060
7 likely [call site] 00061
7 likely [call site] 00062
6 buf_size_valid [function] [call site] 00063
7 likely [call site] 00064
5 BPTR [call site] 00065
4 memcpy [call site] 00066
3 strlen [call site] 00067
3 ASSERT [call site] 00068
3 buf_write [function] [call site] 00069
3 send_line [function] [call site] 00070
4 send [call site] 00071
4 strlen [call site] 00072
4 strlen [call site] 00073
4 msg [function] [call site] 00074
3 BSTR [call site] 00075
3 free_buf [function] [call site] 00076
2 add_proxy_headers [function] [call site] 00077
3 snprintf [call site] 00078
3 strcasecmp [call site] 00079
3 snprintf [call site] 00080
3 strncasecmp [call site] 00081
3 msg [function] [call site] 00082
3 send_line_crlf [function] [call site] 00083
3 snprintf [call site] 00084
3 msg [function] [call site] 00085
3 send_line_crlf [function] [call site] 00086
3 snprintf [call site] 00087
3 msg [function] [call site] 00088
3 send_line_crlf [function] [call site] 00089
2 snprintf [call site] 00090
2 username_password_as_base64 [function] [call site] 00091
3 alloc_buf_gc [call site] 00092
3 strlen [call site] 00093
3 strlen [call site] 00094
3 ASSERT [call site] 00095
3 strlen [call site] 00096
3 buf_printf [function] [call site] 00097
4 buf_defined [function] [call site] 00098
4 BEND [call site] 00099
4 buf_forward_capacity [function] [call site] 00100
5 buf_valid [function] [call site] 00101
4 va_start [call site] 00102
4 vsnprintf [call site] 00103
4 va_end [call site] 00104
4 strlen [call site] 00105
3 make_base64_string [function] [call site] 00106
4 make_base64_string2 [function] [call site] 00107
5 ASSERT [call site] 00108
5 openvpn_base64_encode [function] [call site] 00109
6 malloc [call site] 00110
6 strlen [call site] 00111
5 string_alloc [call site] 00112
5 free [call site] 00113
4 strlen [call site] 00114
3 BSTR [call site] 00115
3 secure_memzero [function] [call site] 00116
4 SecureZeroMemory [call site] 00117
4 memset [call site] 00118
3 BSTR [call site] 00119
2 msg [function] [call site] 00120
2 dmsg [call site] 00121
2 send_line_crlf [function] [call site] 00122
2 snprintf [call site] 00123
2 send_line_crlf [function] [call site] 00124
2 snprintf [call site] 00125
2 ntlm_phase_1 [function] [call site] 00126
3 alloc_buf_gc [call site] 00127
3 buf_printf [function] [call site] 00128
3 BSTR [call site] 00129
2 msg [function] [call site] 00130
2 dmsg [call site] 00131
2 send_line_crlf [function] [call site] 00132
2 ASSERT [call site] 00133
2 secure_memzero [function] [call site] 00134
2 send_crlf [function] [call site] 00135
3 send_line_crlf [function] [call site] 00136
2 recv_line [function] [call site] 00137
3 CLEAR [call site] 00138
3 buf_defined [function] [call site] 00139
3 ASSERT [call site] 00140
3 buf_init [call site] 00141
3 FD_ZERO [call site] 00142
3 openvpn_fd_set [function] [call site] 00143
4 ASSERT [call site] 00144
4 FD_SET [call site] 00145
3 select [call site] 00146
3 get_signal [function] [call site] 00147
4 win32_signal_get [function] [call site] 00148
5 win32_service_interrupt [function] [call site] 00149
6 HANDLE_DEFINED [call site] 00150
6 WaitForSingleObject [call site] 00151
5 win32_keyboard_get [function] [call site] 00152
6 ASSERT [call site] 00153
6 HANDLE_DEFINED [call site] 00154
6 keyboard_input_available [function] [call site] 00155
7 ASSERT [call site] 00156
7 HANDLE_DEFINED [call site] 00157
7 GetNumberOfConsoleInputEvents [call site] 00158
6 ReadConsoleInput [call site] 00159
6 keyboard_ir_to_key [function] [call site] 00160
5 throw_signal [call site] 00161
3 msg [function] [call site] 00162
3 msg [function] [call site] 00163
3 recv [call site] 00164
3 msg [function] [call site] 00165
3 isprint [call site] 00166
3 msg [function] [call site] 00167
3 msg [function] [call site] 00168
3 buf_defined [function] [call site] 00169
3 buf_write_u8 [function] [call site] 00170
4 buf_write [function] [call site] 00171
3 isprint [call site] 00172
3 isspace [call site] 00173
3 msg [function] [call site] 00174
2 get_server_poll_remaining_time [function] [call site] 00175
3 update_time [function] [call site] 00176
4 openvpn_gettimeofday [function] [call site] 00177
5 gettimeofday [function] [call site] 00178
6 GetTickCount [call site] 00179
6 gettimeofday_calibrate [function] [call site] 00180
7 time [call site] 00181
7 GetTickCount [call site] 00182
6 gettimeofday_calibrate [function] [call site] 00183
5 update_now_usec [function] [call site] 00184
6 update_now [function] [call site] 00185
4 update_now [function] [call site] 00186
4 time [call site] 00187
3 event_timeout_remaining [function] [call site] 00188
3 max_int [function] [call site] 00189
2 chomp [function] [call site] 00190
3 rm_trailing_chars [function] [call site] 00191
4 strlen [call site] 00192
4 strchr [call site] 00193
2 msg [function] [call site] 00194
2 sscanf [call site] 00195
2 msg [function] [call site] 00196
2 recv_line [function] [call site] 00197
2 get_server_poll_remaining_time [function] [call site] 00198
2 chomp [function] [call site] 00199
2 msg [function] [call site] 00200
2 CLEAR [call site] 00201
2 snprintf [call site] 00202
2 sscanf [call site] 00203
2 msg [function] [call site] 00204
2 msg [function] [call site] 00205
2 recv_line [function] [call site] 00206
2 snprintf [call site] 00207
2 msg [function] [call site] 00208
2 send_line_crlf [function] [call site] 00209
2 snprintf [call site] 00210
2 send_line_crlf [function] [call site] 00211
2 add_proxy_headers [function] [call site] 00212
2 msg [function] [call site] 00213
2 ntlm_phase_3 [function] [call site] 00214
3 ASSERT [call site] 00215
3 strlen [call site] 00216
3 ASSERT [call site] 00217
3 strlen [call site] 00218
3 strchr [call site] 00219
3 strncpy [call site] 00220
3 strncpy [call site] 00221
3 strncpy [call site] 00222
3 unicodize [function] [call site] 00223
3 gen_md4_hash [function] [call site] 00224
4 md_full [call site] 00225
4 memcpy [call site] 00226
3 memset [call site] 00227
3 CLEAR [call site] 00228
3 openvpn_base64_decode [function] [call site] 00229
4 strchr [call site] 00230
4 token_decode [function] [call site] 00231
5 pos [function] [call site] 00232
3 msg [function] [call site] 00233
3 strcpy [call site] 00234
3 my_strupr [function] [call site] 00235
4 toupper [call site] 00236
3 strlen [call site] 00237
3 strlen [call site] 00238
3 strcat [call site] 00239
3 msg [function] [call site] 00240
3 unicodize [function] [call site] 00241
3 gen_hmac_md5 [function] [call site] 00242
4 hmac_ctx_new [call site] 00243
4 hmac_ctx_init [call site] 00244
4 hmac_ctx_update [call site] 00245
4 hmac_ctx_final [call site] 00246
4 hmac_ctx_cleanup [call site] 00247
4 hmac_ctx_free [call site] 00248
3 strlen [call site] 00249
3 memset [call site] 00250
3 gen_timestamp [function] [call site] 00251
4 openvpn_time [function] [call site] 00252
5 update_time [function] [call site] 00253
4 UINT64 [call site] 00254
4 UINT64 [call site] 00255
4 UINT64 [call site] 00256
4 UINT64 [call site] 00257
4 UINT64 [call site] 00258
4 UINT64 [call site] 00259
4 UINT64 [call site] 00260
4 UINT64 [call site] 00261
4 UINT64 [call site] 00262
4 UINT64 [call site] 00263
3 gen_nonce [function] [call site] 00264
4 get_random [call site] 00265
3 msg [function] [call site] 00266
3 msg [function] [call site] 00267
3 memcpy [call site] 00268
3 memcpy [call site] 00269
3 gen_hmac_md5 [function] [call site] 00270
3 memcpy [call site] 00271
3 memset [call site] 00272
3 strcpy [call site] 00273
3 add_security_buffer [function] [call site] 00274
4 msg [function] [call site] 00275
4 memcpy [call site] 00276
3 add_security_buffer [function] [call site] 00277
3 strlen [call site] 00278
3 add_security_buffer [function] [call site] 00279
3 strlen [call site] 00280
3 make_base64_string2 [function] [call site] 00281
2 msg [function] [call site] 00282
2 snprintf [call site] 00283
2 msg [function] [call site] 00284
2 send_line_crlf [function] [call site] 00285
2 send_crlf [function] [call site] 00286
2 recv_line [function] [call site] 00287
2 get_server_poll_remaining_time [function] [call site] 00288
2 chomp [function] [call site] 00289
2 msg [function] [call site] 00290
2 sscanf [call site] 00291
2 ASSERT [call site] 00292
2 get_pa_var [function] [call site] 00293
3 get_key_value [function] [call site] 00294
3 strcmp [call site] 00295
3 string_alloc [call site] 00296
3 isspace [call site] 00297
2 get_pa_var [function] [call site] 00298
2 get_pa_var [function] [call site] 00299
2 get_pa_var [function] [call site] 00300
2 msg [function] [call site] 00301
2 ASSERT [call site] 00302
2 rand_bytes [call site] 00303
2 make_base64_string2 [function] [call site] 00304
2 snprintf [call site] 00305
2 strlen [call site] 00306
2 gc_malloc [call site] 00307
2 snprintf [call site] 00308
2 DigestCalcHA1 [function] [call site] 00309
3 md_ctx_new [call site] 00310
3 md_ctx_init [call site] 00311
3 md_ctx_update [call site] 00312
3 strlen [call site] 00313
3 md_ctx_update [call site] 00314
3 md_ctx_update [call site] 00315
3 strlen [call site] 00316
3 md_ctx_update [call site] 00317
3 md_ctx_update [call site] 00318
3 strlen [call site] 00319
3 md_ctx_final [call site] 00320
3 strcasecmp [call site] 00321
3 md_ctx_init [call site] 00322
3 md_ctx_update [call site] 00323
3 md_ctx_update [call site] 00324
3 md_ctx_update [call site] 00325
3 strlen [call site] 00326
3 md_ctx_update [call site] 00327
3 md_ctx_update [call site] 00328
3 strlen [call site] 00329
3 md_ctx_final [call site] 00330
3 md_ctx_cleanup [call site] 00331
3 md_ctx_free [call site] 00332
3 CvtHex [function] [call site] 00333
2 DigestCalcResponse [function] [call site] 00334
3 md_ctx_new [call site] 00335
3 md_ctx_init [call site] 00336
3 md_ctx_update [call site] 00337
3 strlen [call site] 00338
3 md_ctx_update [call site] 00339
3 md_ctx_update [call site] 00340
3 strlen [call site] 00341
3 strcasecmp [call site] 00342
3 md_ctx_update [call site] 00343
3 md_ctx_update [call site] 00344
3 md_ctx_final [call site] 00345
3 CvtHex [function] [call site] 00346
3 md_ctx_init [call site] 00347
3 md_ctx_update [call site] 00348
3 md_ctx_update [call site] 00349
3 md_ctx_update [call site] 00350
3 strlen [call site] 00351
3 md_ctx_update [call site] 00352
3 md_ctx_update [call site] 00353
3 strlen [call site] 00354
3 md_ctx_update [call site] 00355
3 md_ctx_update [call site] 00356
3 strlen [call site] 00357
3 md_ctx_update [call site] 00358
3 md_ctx_update [call site] 00359
3 strlen [call site] 00360
3 md_ctx_update [call site] 00361
3 md_ctx_update [call site] 00362
3 md_ctx_final [call site] 00363
3 md_ctx_cleanup [call site] 00364
3 md_ctx_free [call site] 00365
3 CvtHex [function] [call site] 00366
2 snprintf [call site] 00367
2 msg [function] [call site] 00368
2 send_line_crlf [function] [call site] 00369
2 add_proxy_headers [function] [call site] 00370
2 snprintf [call site] 00371
2 msg [function] [call site] 00372
2 send_line_crlf [function] [call site] 00373
2 send_crlf [function] [call site] 00374
2 secure_memzero [function] [call site] 00375
2 recv_line [function] [call site] 00376
2 get_server_poll_remaining_time [function] [call site] 00377
2 chomp [function] [call site] 00378
2 msg [function] [call site] 00379
2 sscanf [call site] 00380
2 msg [function] [call site] 00381
2 get_proxy_authenticate [function] [call site] 00382
3 recv_line [function] [call site] 00383
3 free [call site] 00384
3 chomp [function] [call site] 00385
3 strlen [call site] 00386
3 strncmp [call site] 00387
3 strncmp [call site] 00388
3 msg [function] [call site] 00389
3 string_alloc [call site] 00390
3 strncmp [call site] 00391
3 msg [function] [call site] 00392
3 string_alloc [call site] 00393
3 strncmp [call site] 00394
3 msg [function] [call site] 00395
2 get_server_poll_remaining_time [function] [call site] 00396
2 msg [function] [call site] 00397
2 msg [function] [call site] 00398
2 free [call site] 00399
2 store_proxy_authenticate [function] [call site] 00400
3 free [call site] 00401
2 msg [function] [call site] 00402
2 free [call site] 00403
2 msg [function] [call site] 00404
2 msg [function] [call site] 00405
2 dump_residual [function] [call site] 00406
3 recv_line [function] [call site] 00407
3 chomp [function] [call site] 00408
3 msg [function] [call site] 00409
2 get_server_poll_remaining_time [function] [call site] 00410
2 recv_line [function] [call site] 00411
2 get_server_poll_remaining_time [function] [call site] 00412
2 recv_line [function] [call site] 00413
2 BLEN [call site] 00414
2 msg [function] [call site] 00415
2 format_hex [function] [call site] 00416
3 format_hex_ex [function] [call site] 00417
4 strlen [call site] 00418
4 static_assert [call site] 00419
4 alloc_buf_gc [call site] 00420
4 buf_printf [function] [call site] 00421
4 buf_printf [function] [call site] 00422
4 buf_printf [function] [call site] 00423
4 buf_catrunc [function] [call site] 00424
5 buf_forward_capacity [function] [call site] 00425
5 strlen [call site] 00426
5 buf_forward_capacity_total [function] [call site] 00427
6 buf_valid [function] [call site] 00428
5 memcpy [call site] 00429
2 BPTR [call site] 00430
2 BLEN [call site] 00431
2 purge_user_pass [call site] 00432
2 gc_free [function] [call site] 00433
2 purge_user_pass [call site] 00434
2 register_signal [function] [call site] 00435
3 block_async_signals [function] [call site] 00436
4 sigfillset [call site] 00437
4 sigprocmask [call site] 00438
3 try_throw_signal [function] [call site] 00439
4 signal_priority [function] [call site] 00440
5 SIZE [call site] 00441
4 signal_priority [function] [call site] 00442
3 strcmp [call site] 00443
3 msg [function] [call site] 00444
3 signal_name [function] [call site] 00445
4 SIZE [call site] 00446
3 msg [function] [call site] 00447
3 signal_name [function] [call site] 00448
3 signal_name [function] [call site] 00449
3 unblock_async_signals [function] [call site] 00450
4 sigemptyset [call site] 00451
4 sigprocmask [call site] 00452
2 gc_free [function] [call site] 00453
1 free [call site] 00454
1 gc_free [function] [call site] 00455
1 free_buf [function] [call site] 00456
1 free [call site] 00457
1 free [call site] 00458
1 free [call site] 00459
1 free [call site] 00460
1 fuzz_random_destroy [call site] 00461