Fuzz introspector: curl_fuzzer/fuzz_bufq.cc
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
507 0 EP call site: 00000 append

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 signal [function] [call site] 00001
1 fuzz_handle_bufq [function] [call site] 00002
2 getenv [function] [call site] 00003
2 allocate_template_buffer [function] [call site] 00004
3 mmap [function] [call site] 00005
3 assert [function] [call site] 00006
3 mprotect [function] [call site] 00007
3 assert [function] [call site] 00008
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00009
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00010
2 FuzzedDataProvider*::ConsumeBool [function] [call site] 00011
2 FuzzedDataProvider*::ConsumeBool [function] [call site] 00012
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00013
2 FV_PRINTF [function] [call site] 00014
2 FV_PRINTF [function] [call site] 00015
2 Curl_bufcp_init [function] [call site] 00016
3 DEBUGASSERT [function] [call site] 00017
3 DEBUGASSERT [function] [call site] 00018
3 memset [function] [call site] 00019
2 Curl_bufq_initp [function] [call site] 00020
3 bufq_init [function] [call site] 00021
4 DEBUGASSERT [function] [call site] 00022
4 DEBUGASSERT [function] [call site] 00023
4 memset [function] [call site] 00024
2 FV_PRINTF [function] [call site] 00025
2 Curl_bufq_init [function] [call site] 00026
3 bufq_init [function] [call site] 00027
2 FuzzedDataProvider*::remaining_bytes [function] [call site] 00028
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00029
2 assert [function] [call site] 00030
2 Curl_bufq_is_empty [function] [call site] 00031
3 chunk_is_empty [function] [call site] 00032
2 assert [function] [call site] 00033
2 Curl_bufq_len [function] [call site] 00034
3 chunk_len [function] [call site] 00035
2 FV_PRINTF [function] [call site] 00036
2 Curl_bufq_reset [function] [call site] 00037
2 FV_PRINTF [function] [call site] 00038
2 Curl_bufq_peek [function] [call site] 00039
3 chunk_is_empty [function] [call site] 00040
3 prune_head [function] [call site] 00041
4 chunk_is_empty [function] [call site] 00042
4 bufcp_put [function] [call site] 00043
5 free [function] [call site] 00044
5 chunk_reset [function] [call site] 00045
4 free [function] [call site] 00046
3 chunk_is_empty [function] [call site] 00047
3 chunk_peek [function] [call site] 00048
4 DEBUGASSERT [function] [call site] 00049
2 compute_buffer [function] [call site] 00050
2 assert [function] [call site] 00051
2 memcmp [function] [call site] 00052
2 FV_PRINTF [function] [call site] 00053
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00054
2 FV_PRINTF [function] [call site] 00055
2 Curl_bufq_peek_at [function] [call site] 00056
3 chunk_len [function] [call site] 00057
3 chunk_peek_at [function] [call site] 00058
4 DEBUGASSERT [function] [call site] 00059
2 compute_buffer [function] [call site] 00060
2 assert [function] [call site] 00061
2 memcmp [function] [call site] 00062
2 FV_PRINTF [function] [call site] 00063
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00064
2 FV_PRINTF [function] [call site] 00065
2 malloc [function] [call site] 00066
2 Curl_bufq_read [function] [call site] 00067
3 chunk_read [function] [call site] 00068
4 DEBUGASSERT [function] [call site] 00069
4 memcpy [function] [call site] 00070
4 memcpy [function] [call site] 00071
3 prune_head [function] [call site] 00072
2 FV_PRINTF [function] [call site] 00073
2 assert [function] [call site] 00074
2 compute_buffer [function] [call site] 00075
2 assert [function] [call site] 00076
2 memcmp [function] [call site] 00077
2 FV_PRINTF [function] [call site] 00078
2 free [function] [call site] 00079
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00080
2 FV_PRINTF [function] [call site] 00081
2 Curl_bufq_slurp [function] [call site] 00082
3 bufq_slurpn [function] [call site] 00083
4 Curl_bufq_sipn [function] [call site] 00084
5 get_non_full_tail [function] [call site] 00085
6 chunk_is_full [function] [call site] 00086
6 get_spare [function] [call site] 00087
7 chunk_reset [function] [call site] 00088
7 bufcp_take [function] [call site] 00089
8 chunk_reset [function] [call site] 00090
8 calloc [function] [call site] 00091
7 calloc [function] [call site] 00092
6 DEBUGASSERT [function] [call site] 00093
5 chunk_slurpn [function] [call site] 00094
6 DEBUGASSERT [function] [call site] 00095
6 reader [function] [call site] 00096
6 DEBUGASSERT [function] [call site] 00097
4 DEBUGASSERT [function] [call site] 00098
4 chunk_is_full [function] [call site] 00099
2 FV_PRINTF [function] [call site] 00100
2 FV_PRINTF [function] [call site] 00101
2 assert [function] [call site] 00102
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00103
2 FV_PRINTF [function] [call site] 00104
2 Curl_bufq_sipn [function] [call site] 00105
2 FV_PRINTF [function] [call site] 00106
2 assert [function] [call site] 00107
2 FV_PRINTF [function] [call site] 00108
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00109
2 FV_PRINTF [function] [call site] 00110
2 Curl_bufq_pass [function] [call site] 00111
3 Curl_bufq_peek [function] [call site] 00112
3 writer [function] [call site] 00113
4 append [function] [call site] 00114
5 curl_url [function] [call site] 00115
6 calloc [function] [call site] 00116
5 curl_url_set [function] [call site] 00117
6 urlset_clear [function] [call site] 00118
7 free_urlhandle [function] [call site] 00119
8 free [function] [call site] 00120
8 free [function] [call site] 00121
8 free [function] [call site] 00122
8 free [function] [call site] 00123
8 free [function] [call site] 00124
8 free [function] [call site] 00125
8 free [function] [call site] 00126
8 free [function] [call site] 00127
8 free [function] [call site] 00128
8 free [function] [call site] 00129
7 memset [function] [call site] 00130
7 Curl_safefree [function] [call site] 00131
7 Curl_safefree [function] [call site] 00132
7 Curl_safefree [function] [call site] 00133
7 Curl_safefree [function] [call site] 00134
7 Curl_safefree [function] [call site] 00135
7 Curl_safefree [function] [call site] 00136
7 Curl_safefree [function] [call site] 00137
7 Curl_safefree [function] [call site] 00138
7 Curl_safefree [function] [call site] 00139
7 Curl_safefree [function] [call site] 00140
6 strlen [function] [call site] 00141
6 set_url_scheme [function] [call site] 00142
7 strlen [function] [call site] 00143
7 Curl_get_scheme_handler [function] [call site] 00144
8 Curl_getn_scheme_handler [function] [call site] 00145
9 defined [function] [call site] 00146
9 defined [function] [call site] 00147
9 defined [function] [call site] 00148
9 defined [function] [call site] 00149
9 defined [function] [call site] 00150
9 defined [function] [call site] 00151
9 defined [function] [call site] 00152
9 defined [function] [call site] 00153
9 defined [function] [call site] 00154
9 defined [function] [call site] 00155
9 defined [function] [call site] 00156
9 defined [function] [call site] 00157
9 defined [function] [call site] 00158
9 defined [function] [call site] 00159
9 defined [function] [call site] 00160
9 defined [function] [call site] 00161
9 defined [function] [call site] 00162
9 defined [function] [call site] 00163
9 defined [function] [call site] 00164
9 defined [function] [call site] 00165
9 defined [function] [call site] 00166
9 defined [function] [call site] 00167
9 Curl_raw_tolower [function] [call site] 00168
9 curl_strnequal [function] [call site] 00169
10 ncasecompare [function] [call site] 00170
11 Curl_raw_toupper [function] [call site] 00171
11 Curl_raw_toupper [function] [call site] 00172
11 Curl_raw_toupper [function] [call site] 00173
11 Curl_raw_toupper [function] [call site] 00174
8 strlen [function] [call site] 00175
7 ISALPHA [function] [call site] 00176
7 ISALNUM [function] [call site] 00177
6 Curl_safefree [function] [call site] 00178
6 set_url_port [function] [call site] 00179
7 ISDIGIT [function] [call site] 00180
7 curlx_str_number [function] [call site] 00181
8 str_num_base [function] [call site] 00182
9 DEBUGASSERT [function] [call site] 00183
9 DEBUGASSERT [function] [call site] 00184
9 DEBUGASSERT [function] [call site] 00185
9 valid_digit [function] [call site] 00186
9 Curl_hexval [function] [call site] 00187
9 valid_digit [function] [call site] 00188
9 Curl_hexval [function] [call site] 00189
9 valid_digit [function] [call site] 00190
7 aprintf [function] [call site] 00191
7 free [function] [call site] 00192
6 set_url [function] [call site] 00193
7 curl_url [function] [call site] 00194
7 curl_url_set [function] [call site] 00195
7 curl_url_set [function] [call site] 00196
7 curl_mfprintf [function] [call site] 00197
8 va_start [function] [call site] 00198
8 formatf [function] [call site] 00199
9 parsefmt [function] [call site] 00200
10 memset [function] [call site] 00201
10 dollarstring [function] [call site] 00202
11 curlx_str_number [function] [call site] 00203
11 curlx_str_single [function] [call site] 00204
12 DEBUGASSERT [function] [call site] 00205
10 dollarstring [function] [call site] 00206
10 curlx_str_number [function] [call site] 00207
10 FALLTHROUGH [function] [call site] 00208
10 curlx_str_number [function] [call site] 00209
10 dollarstring [function] [call site] 00210
10 FALLTHROUGH [function] [call site] 00211
10 is_arg_used [function] [call site] 00212
10 mark_arg_used [function] [call site] 00213
10 is_arg_used [function] [call site] 00214
10 mark_arg_used [function] [call site] 00215
10 mark_arg_used [function] [call site] 00216
10 is_arg_used [function] [call site] 00217
10 va_arg [function] [call site] 00218
10 va_arg [function] [call site] 00219
10 va_arg [function] [call site] 00220
10 va_arg [function] [call site] 00221
10 va_arg [function] [call site] 00222
10 va_arg [function] [call site] 00223
10 va_arg [function] [call site] 00224
10 va_arg [function] [call site] 00225
10 va_arg [function] [call site] 00226
10 DEBUGASSERT [function] [call site] 00227
9 stream [function] [call site] 00228
9 out_number [function] [call site] 00229
10 OUTCHAR [function] [call site] 00230
10 OUTCHAR [function] [call site] 00231
10 OUTCHAR [function] [call site] 00232
10 DEBUGASSERT [function] [call site] 00233
10 OUTCHAR [function] [call site] 00234
10 OUTCHAR [function] [call site] 00235
10 OUTCHAR [function] [call site] 00236
10 OUTCHAR [function] [call site] 00237
10 OUTCHAR [function] [call site] 00238
10 OUTCHAR [function] [call site] 00239
10 OUTCHAR [function] [call site] 00240
10 OUTCHAR [function] [call site] 00241
10 OUTCHAR [function] [call site] 00242
10 OUTCHAR [function] [call site] 00243
9 out_number [function] [call site] 00244
9 out_string [function] [call site] 00245
10 strlen [function] [call site] 00246
10 OUTCHAR [function] [call site] 00247
10 OUTCHAR [function] [call site] 00248
10 OUTCHAR [function] [call site] 00249
10 OUTCHAR [function] [call site] 00250
10 OUTCHAR [function] [call site] 00251
9 out_pointer [function] [call site] 00252
10 out_number [function] [call site] 00253
10 OUTCHAR [function] [call site] 00254
10 OUTCHAR [function] [call site] 00255
10 OUTCHAR [function] [call site] 00256
9 out_double [function] [call site] 00257
10 strlen [function] [call site] 00258
10 curl_msnprintf [function] [call site] 00259
11 va_start [function] [call site] 00260
11 curl_mvsnprintf [function] [call site] 00261
12 formatf [function] [call site] 00262
12 DEBUGASSERT [function] [call site] 00263
11 va_end [function] [call site] 00264
10 curl_msnprintf [function] [call site] 00265
10 DEBUGASSERT [function] [call site] 00266
10 strlen [function] [call site] 00267
10 stream [function] [call site] 00268
8 va_end [function] [call site] 00269
7 curl_url_strerror [function] [call site] 00270
7 curl_url_get [function] [call site] 00271
8 Curl_get_scheme_handler [function] [call site] 00272
8 msnprintf [function] [call site] 00273
8 Curl_get_scheme_handler [function] [call site] 00274
8 urlget_url [function] [call site] 00275
9 curl_strequal [function] [call site] 00276
10 casecompare [function] [call site] 00277
11 Curl_raw_toupper [function] [call site] 00278
11 Curl_raw_toupper [function] [call site] 00279
9 aprintf [function] [call site] 00280
9 Curl_get_scheme_handler [function] [call site] 00281
9 msnprintf [function] [call site] 00282
9 strlen [function] [call site] 00283
9 curlx_dyn_init [function] [call site] 00284
10 DEBUGASSERT [function] [call site] 00285
10 DEBUGASSERT [function] [call site] 00286
10 DEBUGASSERT [function] [call site] 00287
9 curlx_dyn_addf [function] [call site] 00288
10 DEBUGASSERT [function] [call site] 00289
10 DEBUGASSERT [function] [call site] 00290
10 DEBUGASSERT [function] [call site] 00291
10 va_start [function] [call site] 00292
10 curlx_dyn_vaddf [function] [call site] 00293
11 DEBUGASSERT [function] [call site] 00294
11 DEBUGASSERT [function] [call site] 00295
11 DEBUGASSERT [function] [call site] 00296
11 DEBUGASSERT [function] [call site] 00297
11 curlx_dyn_vprintf [function] [call site] 00298
12 formatf [function] [call site] 00299
12 curlx_dyn_free [function] [call site] 00300
13 DEBUGASSERT [function] [call site] 00301
13 DEBUGASSERT [function] [call site] 00302
13 Curl_safefree [function] [call site] 00303
11 curl_mvaprintf [function] [call site] 00304
12 curlx_dyn_init [function] [call site] 00305
12 formatf [function] [call site] 00306
12 curlx_dyn_free [function] [call site] 00307
12 curlx_dyn_len [function] [call site] 00308
13 DEBUGASSERT [function] [call site] 00309
13 DEBUGASSERT [function] [call site] 00310
13 DEBUGASSERT [function] [call site] 00311
12 curlx_dyn_ptr [function] [call site] 00312
13 DEBUGASSERT [function] [call site] 00313
13 DEBUGASSERT [function] [call site] 00314
13 DEBUGASSERT [function] [call site] 00315
12 strdup [function] [call site] 00316
13 strlen [function] [call site] 00317
13 malloc [function] [call site] 00318
13 memcpy [function] [call site] 00319
11 dyn_nappend [function] [call site] 00320
12 DEBUGASSERT [function] [call site] 00321
12 DEBUGASSERT [function] [call site] 00322
12 DEBUGASSERT [function] [call site] 00323
12 DEBUGASSERT [function] [call site] 00324
12 DEBUGASSERT [function] [call site] 00325
12 DEBUGASSERT [function] [call site] 00326
12 curlx_dyn_free [function] [call site] 00327
12 DEBUGASSERT [function] [call site] 00328
12 realloc [function] [call site] 00329
12 curlx_dyn_free [function] [call site] 00330
12 memcpy [function] [call site] 00331
11 strlen [function] [call site] 00332
11 free [function] [call site] 00333
11 curlx_dyn_free [function] [call site] 00334
10 va_end [function] [call site] 00335
9 curlx_dyn_ptr [function] [call site] 00336
9 curl_easy_escape [function] [call site] 00337
10 strlen [function] [call site] 00338
10 strdup [function] [call site] 00339
10 curlx_dyn_init [function] [call site] 00340
10 ISUNRESERVED [function] [call site] 00341
10 curlx_dyn_addn [function] [call site] 00342
11 DEBUGASSERT [function] [call site] 00343
11 DEBUGASSERT [function] [call site] 00344
11 DEBUGASSERT [function] [call site] 00345
11 dyn_nappend [function] [call site] 00346
10 Curl_hexbyte [function] [call site] 00347
10 curlx_dyn_addn [function] [call site] 00348
10 curlx_dyn_ptr [function] [call site] 00349
9 Curl_is_ASCII_name [function] [call site] 00350
9 host_decode [function] [call site] 00351
9 Curl_is_ASCII_name [function] [call site] 00352
9 host_encode [function] [call site] 00353
9 msnprintf [function] [call site] 00354
9 aprintf [function] [call site] 00355
9 free [function] [call site] 00356
8 urlget_format [function] [call site] 00357
9 strlen [function] [call site] 00358
9 Curl_memdup0 [function] [call site] 00359
10 malloc [function] [call site] 00360
10 DEBUGASSERT [function] [call site] 00361
10 memcpy [function] [call site] 00362
9 Curl_urldecode [function] [call site] 00363
10 DEBUGASSERT [function] [call site] 00364
10 DEBUGASSERT [function] [call site] 00365
10 strlen [function] [call site] 00366
10 malloc [function] [call site] 00367
10 ISXDIGIT [function] [call site] 00368
10 ISXDIGIT [function] [call site] 00369
10 Curl_hexval [function] [call site] 00370
10 Curl_hexval [function] [call site] 00371
10 Curl_safefree [function] [call site] 00372
9 free [function] [call site] 00373
9 curlx_dyn_init [function] [call site] 00374
9 urlencode_str [function] [call site] 00375
10 find_host_sep [function] [call site] 00376
11 strstr [function] [call site] 00377
10 curlx_dyn_addn [function] [call site] 00378
10 curlx_dyn_addn [function] [call site] 00379
10 curlx_dyn_addn [function] [call site] 00380
10 Curl_hexbyte [function] [call site] 00381
10 curlx_dyn_addn [function] [call site] 00382
10 curlx_dyn_addn [function] [call site] 00383
10 cc2cu [function] [call site] 00384
9 free [function] [call site] 00385
9 curlx_dyn_ptr [function] [call site] 00386
9 Curl_is_ASCII_name [function] [call site] 00387
9 host_decode [function] [call site] 00388
9 free [function] [call site] 00389
9 Curl_is_ASCII_name [function] [call site] 00390
9 host_encode [function] [call site] 00391
9 free [function] [call site] 00392
7 curl_mfprintf [function] [call site] 00393
7 curl_url_strerror [function] [call site] 00394
7 checkurl [function] [call site] 00395
8 strcmp [function] [call site] 00396
8 curl_mfprintf [function] [call site] 00397
7 curl_free [function] [call site] 00398
8 free [function] [call site] 00399
7 curl_mfprintf [function] [call site] 00400
7 curl_url_cleanup [function] [call site] 00401
8 free_urlhandle [function] [call site] 00402
8 free [function] [call site] 00403
6 DEBUGASSERT [function] [call site] 00404
6 curlx_dyn_init [function] [call site] 00405
6 curlx_dyn_addn [function] [call site] 00406
6 cc2cu [function] [call site] 00407
6 curlx_dyn_addn [function] [call site] 00408
6 ISUNRESERVED [function] [call site] 00409
6 curlx_dyn_addn [function] [call site] 00410
6 cc2cu [function] [call site] 00411
6 Curl_hexbyte [function] [call site] 00412
6 curlx_dyn_addn [function] [call site] 00413
6 cc2cu [function] [call site] 00414
6 curlx_dyn_add [function] [call site] 00415
7 DEBUGASSERT [function] [call site] 00416
7 DEBUGASSERT [function] [call site] 00417
7 DEBUGASSERT [function] [call site] 00418
7 DEBUGASSERT [function] [call site] 00419
7 strlen [function] [call site] 00420
7 dyn_nappend [function] [call site] 00421
6 cc2cu [function] [call site] 00422
6 curlx_dyn_ptr [function] [call site] 00423
6 ISXDIGIT [function] [call site] 00424
6 ISXDIGIT [function] [call site] 00425
6 ISUPPER [function] [call site] 00426
6 ISUPPER [function] [call site] 00427
6 Curl_raw_tolower [function] [call site] 00428
6 Curl_raw_tolower [function] [call site] 00429
6 curlx_dyn_ptr [function] [call site] 00430
6 strlen [function] [call site] 00431
6 curlx_dyn_init [function] [call site] 00432
6 curlx_dyn_addn [function] [call site] 00433
6 curlx_dyn_addn [function] [call site] 00434
6 curlx_dyn_add [function] [call site] 00435
6 curlx_dyn_free [function] [call site] 00436
6 free [function] [call site] 00437
6 curlx_dyn_ptr [function] [call site] 00438
6 curlx_dyn_free [function] [call site] 00439
6 curlx_dyn_len [function] [call site] 00440
6 Curl_urldecode [function] [call site] 00441
6 hostname_check [function] [call site] 00442
7 DEBUGASSERT [function] [call site] 00443
7 ipv6_parse [function] [call site] 00444
8 DEBUGASSERT [function] [call site] 00445
8 strspn [function] [call site] 00446
8 strncmp [function] [call site] 00447
8 strdup [function] [call site] 00448
8 curlx_inet_pton [function] [call site] 00449
9 inet_pton4 [function] [call site] 00450
10 ISDIGIT [function] [call site] 00451
10 memcpy [function] [call site] 00452
9 inet_pton6 [function] [call site] 00453
10 memset [function] [call site] 00454
10 ISXDIGIT [function] [call site] 00455
10 Curl_hexval [function] [call site] 00456
10 inet_pton4 [function] [call site] 00457
10 memcpy [function] [call site] 00458
9 CURL_SETERRNO [function] [call site] 00459
8 curlx_inet_ntop [function] [call site] 00460
8 strlen [function] [call site] 00461
7 strcspn [function] [call site] 00462
6 free [function] [call site] 00463
6 hostname_check [function] [call site] 00464
6 CURL_UNCONST [function] [call site] 00465
6 curlx_dyn_free [function] [call site] 00466
6 free [function] [call site] 00467
6 CURL_UNCONST [function] [call site] 00468
5 curl_url_set [function] [call site] 00469
5 curl_mfprintf [function] [call site] 00470
5 curl_url_get [function] [call site] 00471
5 curl_mfprintf [function] [call site] 00472
5 curl_url_strerror [function] [call site] 00473
5 checkurl [function] [call site] 00474
5 curl_free [function] [call site] 00475
5 curl_url_cleanup [function] [call site] 00476
3 Curl_bufq_skip [function] [call site] 00477
4 chunk_skip [function] [call site] 00478
5 DEBUGASSERT [function] [call site] 00479
5 CURLMIN [function] [call site] 00480
4 prune_head [function] [call site] 00481
2 FV_PRINTF [function] [call site] 00482
2 FV_PRINTF [function] [call site] 00483
2 assert [function] [call site] 00484
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00485
2 FV_PRINTF [function] [call site] 00486
2 Curl_bufq_skip [function] [call site] 00487
2 FuzzedDataProvider*::ConsumeIntegralInRange [function] [call site] 00488
2 FV_PRINTF [function] [call site] 00489
2 compute_buffer [function] [call site] 00490
2 Curl_bufq_write [function] [call site] 00491
3 DEBUGASSERT [function] [call site] 00492
3 get_non_full_tail [function] [call site] 00493
3 chunk_append [function] [call site] 00494
4 DEBUGASSERT [function] [call site] 00495
4 CURLMIN [function] [call site] 00496
4 memcpy [function] [call site] 00497
2 FV_PRINTF [function] [call site] 00498
2 assert [function] [call site] 00499
2 FV_PRINTF [function] [call site] 00500
2 assert [function] [call site] 00501
2 Curl_bufq_free [function] [call site] 00502
3 chunk_list_free [function] [call site] 00503
4 free [function] [call site] 00504
3 chunk_list_free [function] [call site] 00505
2 Curl_bufcp_free [function] [call site] 00506
3 chunk_list_free [function] [call site] 00507