Fuzz introspector: fuzz_xls
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
13 303 xls_addFormat call site: 00303 get_string
12 265 xls_addXF8 call site: 00265 xls_showXF
11 356 xls_addColinfo call site: 00356 verbose
10 201 xlsConvertWindow call site: 00201 printf
10 224 get_string call site: 00224 printf
9 287 xls_addFont call site: 00287 printf
8 247 xls_addXF5 call site: 00247 printf
8 418 xls_addRow call site: 00418 verbose
8 497 xls_addCell call site: 00497 get_brbdnum
7 455 xls_getfcell call site: 00455 snprintf
5 146 xls_parseWorkBook call site: 00146 verbose
5 428 xls_parseWorkSheet call site: 00428 printf

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 xls_open_buffer [function] [call site] 00001
2 ole2_open_buffer [function] [call site] 00002
3 calloc [call site] 00003
3 ole2_read_header_and_body [function] [call site] 00004
4 ole2_read_header [function] [call site] 00005
5 calloc [call site] 00006
5 ole2_fread [function] [call site] 00007
6 fread [call site] 00008
5 xlsConvertHeader [function] [call site] 00009
6 xlsIntVal [function] [call site] 00010
7 xls_is_bigendian [function] [call site] 00011
6 xlsIntVal [function] [call site] 00012
6 xlsShortVal [function] [call site] 00013
7 xls_is_bigendian [function] [call site] 00014
6 xlsShortVal [function] [call site] 00015
6 xlsShortVal [function] [call site] 00016
6 xlsShortVal [function] [call site] 00017
6 xlsShortVal [function] [call site] 00018
6 xlsShortVal [function] [call site] 00019
6 xlsIntVal [function] [call site] 00020
6 xlsIntVal [function] [call site] 00021
6 xlsIntVal [function] [call site] 00022
6 xlsIntVal [function] [call site] 00023
6 xlsIntVal [function] [call site] 00024
6 xlsIntVal [function] [call site] 00025
6 xlsIntVal [function] [call site] 00026
6 xlsIntVal [function] [call site] 00027
6 xlsIntVal [function] [call site] 00028
6 xlsIntVal [function] [call site] 00029
6 xlsIntVal [function] [call site] 00030
5 fprintf [call site] 00031
5 fprintf [call site] 00032
5 read_MSAT [function] [call site] 00033
6 fprintf [call site] 00034
6 ole_malloc [function] [call site] 00035
7 calloc [call site] 00036
6 read_MSAT_header [function] [call site] 00037
7 sector_read [function] [call site] 00038
8 sector_pos [function] [call site] 00039
8 ole2_fseek [function] [call site] 00040
9 fseek [call site] 00041
8 sector_pos [function] [call site] 00042
8 fprintf [call site] 00043
8 ole2_fread [function] [call site] 00044
8 sector_pos [function] [call site] 00045
8 fprintf [call site] 00046
7 fprintf [call site] 00047
6 read_MSAT_body [function] [call site] 00048
7 ole_malloc [function] [call site] 00049
7 sector_read [function] [call site] 00050
7 fprintf [call site] 00051
7 fprintf [call site] 00052
7 sector_read [function] [call site] 00053
7 fprintf [call site] 00054
7 fprintf [call site] 00055
6 read_MSAT_trailer [function] [call site] 00056
7 ole_malloc [function] [call site] 00057
7 sector_read [function] [call site] 00058
7 ole2_validate_sector [function] [call site] 00059
8 fprintf [call site] 00060
8 xlsIntVal [function] [call site] 00061
8 fprintf [call site] 00062
7 xlsIntVal [function] [call site] 00063
4 ole2_close [function] [call site] 00064
5 fclose [call site] 00065
4 ole2_read_body [function] [call site] 00066
5 ole2_sopen [function] [call site] 00067
6 calloc [call site] 00068
6 ole_malloc [function] [call site] 00069
6 ole2_validate_sector_chain [function] [call site] 00070
7 xlsIntVal [function] [call site] 00071
6 ole2_validate_sector_chain [function] [call site] 00072
6 ole2_bufread [function] [call site] 00073
7 fprintf [call site] 00074
7 fprintf [call site] 00075
7 xlsIntVal [function] [call site] 00076
7 sector_read [function] [call site] 00077
7 fprintf [call site] 00078
7 ole2_validate_sector [function] [call site] 00079
7 xlsIntVal [function] [call site] 00080
6 ole2_fclose [function] [call site] 00081
5 calloc [call site] 00082
5 ole2_read [function] [call site] 00083
6 ole2_bufread [function] [call site] 00084
5 xlsConvertPss [function] [call site] 00085
6 xlsShortVal [function] [call site] 00086
6 xlsIntVal [function] [call site] 00087
6 xlsIntVal [function] [call site] 00088
6 xlsIntVal [function] [call site] 00089
6 xlsShortVal [function] [call site] 00090
6 xlsIntVal [function] [call site] 00091
6 xlsIntVal [function] [call site] 00092
6 xlsIntVal [function] [call site] 00093
6 xlsIntVal [function] [call site] 00094
5 transcode_utf16_to_utf8 [function] [call site] 00095
6 xls_createlocale [function] [call site] 00096
7 newlocale [call site] 00097
6 unicode_decode_wcstombs [function] [call site] 00098
7 xls_wcstombs_l [function] [call site] 00099
8 uselocale [call site] 00100
8 wcstombs [call site] 00101
8 uselocale [call site] 00102
7 calloc [call site] 00103
7 xls_wcstombs_l [function] [call site] 00104
7 printf [call site] 00105
6 xls_freelocale [function] [call site] 00106
7 freelocale [call site] 00107
5 realloc [call site] 00108
5 verbose [function] [call site] 00109
6 printf [call site] 00110
5 ole_realloc_zero [function] [call site] 00111
6 realloc [call site] 00112
5 sector_read [function] [call site] 00113
5 fprintf [call site] 00114
5 ole2_validate_sector [function] [call site] 00115
5 xlsIntVal [function] [call site] 00116
5 ole2_fclose [function] [call site] 00117
4 ole2_close [function] [call site] 00118
2 xls_open_ole [function] [call site] 00119
3 calloc [call site] 00120
3 ole2_close [function] [call site] 00121
3 verbose [function] [call site] 00122
3 ole2_fopen [function] [call site] 00123
4 strcmp [call site] 00124
4 ole2_sopen [function] [call site] 00125
3 calloc [call site] 00126
3 ole2_read [function] [call site] 00127
3 fprintf [call site] 00128
3 ole2_fclose [function] [call site] 00129
3 ole2_fopen [function] [call site] 00130
3 calloc [call site] 00131
3 ole2_read [function] [call site] 00132
3 fprintf [call site] 00133
3 ole2_fclose [function] [call site] 00134
3 ole2_fopen [function] [call site] 00135
3 fprintf [call site] 00136
3 strdup [call site] 00137
3 xls_parseWorkBook [function] [call site] 00138
4 verbose [function] [call site] 00139
4 printf [call site] 00140
4 printf [call site] 00141
4 ole2_read [function] [call site] 00142
4 xlsConvertBof [function] [call site] 00143
5 xlsShortVal [function] [call site] 00144
5 xlsShortVal [function] [call site] 00145
4 xls_showBOF [function] [call site] 00146
5 printf [call site] 00147
5 verbose [function] [call site] 00148
5 get_brbdnum [function] [call site] 00149
5 printf [call site] 00150
5 printf [call site] 00151
4 realloc [call site] 00152
4 fprintf [call site] 00153
4 ole2_read [function] [call site] 00154
4 fprintf [call site] 00155
4 xls_isRecordTooSmall [function] [call site] 00156
5 xlsShortVal [function] [call site] 00157
4 printf [call site] 00158
4 printf [call site] 00159
4 printf [call site] 00160
4 xls_appendSST [function] [call site] 00161
5 printf [call site] 00162
5 printf [call site] 00163
5 printf [call site] 00164
5 unicode_decode [function] [call site] 00165
6 iconv_open [call site] 00166
6 printf [call site] 00167
6 unicode_decode_iconv [function] [call site] 00168
7 iconv [call site] 00169
7 __errno_location [call site] 00170
7 realloc [call site] 00171
5 strdup [call site] 00172
5 strlen [call site] 00173
5 printf [call site] 00174
5 codepage_decode [function] [call site] 00175
6 strcmp [call site] 00176
6 transcode_latin1_to_utf8 [function] [call site] 00177
6 encoding_for_codepage [function] [call site] 00178
7 bsearch [call site] 00179
7 codepage_compare [function] [call site] 00180
6 iconv_open [call site] 00181
6 printf [call site] 00182
6 unicode_decode_iconv [function] [call site] 00183
5 strdup [call site] 00184
5 printf [call site] 00185
5 strdup [call site] 00186
5 strlen [call site] 00187
5 realloc [call site] 00188
5 strlen [call site] 00189
5 printf [call site] 00190
5 printf [call site] 00191
4 xlsConvertWindow [function] [call site] 00192
5 xlsShortVal [function] [call site] 00193
5 xlsShortVal [function] [call site] 00194
5 xlsShortVal [function] [call site] 00195
5 xlsShortVal [function] [call site] 00196
5 xlsShortVal [function] [call site] 00197
5 xlsShortVal [function] [call site] 00198
5 xlsShortVal [function] [call site] 00199
5 xlsShortVal [function] [call site] 00200
5 xlsShortVal [function] [call site] 00201
4 printf [call site] 00202
4 printf [call site] 00203
4 printf [call site] 00204
4 printf [call site] 00205
4 printf [call site] 00206
4 printf [call site] 00207
4 printf [call site] 00208
4 printf [call site] 00209
4 printf [call site] 00210
4 printf [call site] 00211
4 xlsConvertSst [function] [call site] 00212
5 xlsIntVal [function] [call site] 00213
5 xlsIntVal [function] [call site] 00214
4 xls_addSST [function] [call site] 00215
5 verbose [function] [call site] 00216
5 calloc [call site] 00217
5 xls_appendSST [function] [call site] 00218
4 xlsConvertBoundsheet [function] [call site] 00219
5 xlsIntVal [function] [call site] 00220
4 xls_addSheet [function] [call site] 00221
5 get_string [function] [call site] 00222
6 unicode_decode [function] [call site] 00223
6 codepage_decode [function] [call site] 00224
5 printf [call site] 00225
5 printf [call site] 00226
5 printf [call site] 00227
5 printf [call site] 00228
5 printf [call site] 00229
5 printf [call site] 00230
5 printf [call site] 00231
5 printf [call site] 00232
5 printf [call site] 00233
5 printf [call site] 00234
5 realloc [call site] 00235
4 xlsConvertXf5 [function] [call site] 00236
5 xlsShortVal [function] [call site] 00237
5 xlsShortVal [function] [call site] 00238
5 xlsShortVal [function] [call site] 00239
5 xlsShortVal [function] [call site] 00240
5 xlsShortVal [function] [call site] 00241
5 xlsShortVal [function] [call site] 00242
5 xlsShortVal [function] [call site] 00243
5 xlsShortVal [function] [call site] 00244
4 xls_addXF5 [function] [call site] 00245
5 verbose [function] [call site] 00246
5 realloc [call site] 00247
4 printf [call site] 00248
4 printf [call site] 00249
4 printf [call site] 00250
4 printf [call site] 00251
4 printf [call site] 00252
4 printf [call site] 00253
4 printf [call site] 00254
4 printf [call site] 00255
4 xlsConvertXf8 [function] [call site] 00256
5 xlsShortVal [function] [call site] 00257
5 xlsShortVal [function] [call site] 00258
5 xlsShortVal [function] [call site] 00259
5 xlsIntVal [function] [call site] 00260
5 xlsIntVal [function] [call site] 00261
5 xlsShortVal [function] [call site] 00262
4 xls_addXF8 [function] [call site] 00263
5 verbose [function] [call site] 00264
5 realloc [call site] 00265
4 xls_showXF [function] [call site] 00266
5 printf [call site] 00267
5 printf [call site] 00268
5 printf [call site] 00269
5 printf [call site] 00270
5 printf [call site] 00271
5 printf [call site] 00272
5 printf [call site] 00273
5 printf [call site] 00274
5 printf [call site] 00275
5 printf [call site] 00276
5 printf [call site] 00277
4 xlsConvertFont [function] [call site] 00278
5 xlsShortVal [function] [call site] 00279
5 xlsShortVal [function] [call site] 00280
5 xlsShortVal [function] [call site] 00281
5 xlsShortVal [function] [call site] 00282
5 xlsShortVal [function] [call site] 00283
4 xls_addFont [function] [call site] 00284
5 verbose [function] [call site] 00285
5 realloc [call site] 00286
5 get_string [function] [call site] 00287
4 printf [call site] 00288
4 printf [call site] 00289
4 printf [call site] 00290
4 printf [call site] 00291
4 printf [call site] 00292
4 printf [call site] 00293
4 printf [call site] 00294
4 printf [call site] 00295
4 printf [call site] 00296
4 xlsConvertFormat [function] [call site] 00297
5 xlsShortVal [function] [call site] 00298
4 xls_addFormat [function] [call site] 00299
5 verbose [function] [call site] 00300
5 realloc [call site] 00301
5 get_string [function] [call site] 00302
5 xls_showFormat [function] [call site] 00303
6 printf [call site] 00304
6 printf [call site] 00305
4 printf [call site] 00306
4 printf [call site] 00307
4 printf [call site] 00308
4 get_string [function] [call site] 00309
4 printf [call site] 00310
4 printf [call site] 00311
4 printf [call site] 00312
4 printf [call site] 00313
4 printf [call site] 00314
4 printf [call site] 00315
4 printf [call site] 00316
3 ole2_close [function] [call site] 00317
3 xls_close_WB [function] [call site] 00318
4 verbose [function] [call site] 00319
4 ole2_fclose [function] [call site] 00320
4 ole2_close [function] [call site] 00321
4 iconv_close [call site] 00322
4 iconv_close [call site] 00323
4 xls_freelocale [function] [call site] 00324
1 xls_getWorkSheet [function] [call site] 00325
2 verbose [function] [call site] 00326
2 calloc [call site] 00327
1 xls_parseWorkSheet [function] [call site] 00328
2 verbose [function] [call site] 00329
2 xls_preparseWorkSheet [function] [call site] 00330
3 verbose [function] [call site] 00331
3 ole2_seek [function] [call site] 00332
4 ldiv [call site] 00333
4 xlsIntVal [function] [call site] 00334
4 ole2_bufread [function] [call site] 00335
4 ldiv [call site] 00336
4 ole2_validate_sector [function] [call site] 00337
4 xlsIntVal [function] [call site] 00338
4 ole2_bufread [function] [call site] 00339
3 ole2_read [function] [call site] 00340
3 fprintf [call site] 00341
3 xlsConvertBof [function] [call site] 00342
3 realloc [call site] 00343
3 fprintf [call site] 00344
3 ole2_read [function] [call site] 00345
3 fprintf [call site] 00346
3 xlsConvertColinfo [function] [call site] 00347
4 xlsShortVal [function] [call site] 00348
4 xlsShortVal [function] [call site] 00349
4 xlsShortVal [function] [call site] 00350
4 xlsShortVal [function] [call site] 00351
4 xlsShortVal [function] [call site] 00352
3 xls_addColinfo [function] [call site] 00353
4 verbose [function] [call site] 00354
4 realloc [call site] 00355
4 xls_showColinfo [function] [call site] 00356
5 verbose [function] [call site] 00357
5 printf [call site] 00358
5 printf [call site] 00359
5 printf [call site] 00360
5 printf [call site] 00361
5 printf [call site] 00362
5 printf [call site] 00363
5 printf [call site] 00364
5 printf [call site] 00365
5 printf [call site] 00366
5 printf [call site] 00367
3 xlsConvertRow [function] [call site] 00368
4 xlsShortVal [function] [call site] 00369
4 xlsShortVal [function] [call site] 00370
4 xlsShortVal [function] [call site] 00371
4 xlsShortVal [function] [call site] 00372
4 xlsShortVal [function] [call site] 00373
4 xlsShortVal [function] [call site] 00374
4 xlsShortVal [function] [call site] 00375
4 xlsShortVal [function] [call site] 00376
3 xls_isCellTooSmall [function] [call site] 00377
3 xlsShortVal [function] [call site] 00378
3 xlsShortVal [function] [call site] 00379
3 xlsShortVal [function] [call site] 00380
3 xlsShortVal [function] [call site] 00381
3 xls_isCellTooSmall [function] [call site] 00382
3 xlsShortVal [function] [call site] 00383
3 xlsShortVal [function] [call site] 00384
3 xlsShortVal [function] [call site] 00385
3 xlsShortVal [function] [call site] 00386
3 xls_isCellTooSmall [function] [call site] 00387
3 xlsShortVal [function] [call site] 00388
3 xlsShortVal [function] [call site] 00389
3 xlsShortVal [function] [call site] 00390
3 xlsShortVal [function] [call site] 00391
2 xls_makeTable [function] [call site] 00392
3 verbose [function] [call site] 00393
3 calloc [call site] 00394
3 calloc [call site] 00395
2 xls_formatColumn [function] [call site] 00396
2 ole2_seek [function] [call site] 00397
2 printf [call site] 00398
2 ole2_read [function] [call site] 00399
2 fprintf [call site] 00400
2 xlsConvertBof [function] [call site] 00401
2 realloc [call site] 00402
2 fprintf [call site] 00403
2 ole2_read [function] [call site] 00404
2 fprintf [call site] 00405
2 xls_showBOF [function] [call site] 00406
2 xls_mergedCells [function] [call site] 00407
3 verbose [function] [call site] 00408
3 verbose [function] [call site] 00409
3 xlsConvertMergedcells [function] [call site] 00410
4 xlsShortVal [function] [call site] 00411
4 xlsShortVal [function] [call site] 00412
4 xlsShortVal [function] [call site] 00413
4 xlsShortVal [function] [call site] 00414
2 printf [call site] 00415
2 xlsConvertRow [function] [call site] 00416
2 xls_addRow [function] [call site] 00417
3 xls_showROW [function] [call site] 00418
4 verbose [function] [call site] 00419
4 printf [call site] 00420
4 printf [call site] 00421
4 printf [call site] 00422
4 printf [call site] 00423
4 printf [call site] 00424
4 printf [call site] 00425
4 printf [call site] 00426
2 printf [call site] 00427
2 printf [call site] 00428
2 printf [call site] 00429
2 printf [call site] 00430
2 printf [call site] 00431
2 printf [call site] 00432
2 printf [call site] 00433
2 xls_addCell [function] [call site] 00434
3 verbose [function] [call site] 00435
3 xls_isCellTooSmall [function] [call site] 00436
3 xlsShortVal [function] [call site] 00437
3 xlsShortVal [function] [call site] 00438
3 fprintf [call site] 00439
3 xlsShortVal [function] [call site] 00440
3 xlsConvertFormula [function] [call site] 00441
4 xlsShortVal [function] [call site] 00442
4 xlsShortVal [function] [call site] 00443
4 xlsShortVal [function] [call site] 00444
4 xlsConvertDouble [function] [call site] 00445
5 xls_is_bigendian [function] [call site] 00446
4 xlsConvertDouble [function] [call site] 00447
4 xlsShortVal [function] [call site] 00448
4 xlsShortVal [function] [call site] 00449
3 xls_getfcell [function] [call site] 00450
4 strdup [call site] 00451
4 strdup [call site] 00452
4 codepage_decode [function] [call site] 00453
4 unicode_decode [function] [call site] 00454
4 snprintf [call site] 00455
4 snprintf [call site] 00456
4 snprintf [call site] 00457
4 snprintf [call site] 00458
4 snprintf [call site] 00459
4 snprintf [call site] 00460
4 snprintf [call site] 00461
4 snprintf [call site] 00462
3 xls_cell_set_str [function] [call site] 00463
3 strdup [call site] 00464
3 xls_cell_set_str [function] [call site] 00465
3 strdup [call site] 00466
3 xls_cell_set_str [function] [call site] 00467
3 strdup [call site] 00468
3 xls_cell_set_str [function] [call site] 00469
3 fprintf [call site] 00470
3 xlsShortVal [function] [call site] 00471
3 xlsIntVal [function] [call site] 00472
3 NumFromRk [function] [call site] 00473
3 xls_getfcell [function] [call site] 00474
3 xls_cell_set_str [function] [call site] 00475
3 fprintf [call site] 00476
3 xlsShortVal [function] [call site] 00477
3 xls_getfcell [function] [call site] 00478
3 xls_cell_set_str [function] [call site] 00479
3 xls_getfcell [function] [call site] 00480
3 xls_cell_set_str [function] [call site] 00481
3 __isoc99_sscanf [call site] 00482
3 __isoc99_sscanf [call site] 00483
3 xlsIntVal [function] [call site] 00484
3 NumFromRk [function] [call site] 00485
3 xls_getfcell [function] [call site] 00486
3 xls_cell_set_str [function] [call site] 00487
3 xlsConvertDouble [function] [call site] 00488
3 xls_getfcell [function] [call site] 00489
3 xls_cell_set_str [function] [call site] 00490
3 strdup [call site] 00491
3 xls_cell_set_str [function] [call site] 00492
3 strdup [call site] 00493
3 xls_cell_set_str [function] [call site] 00494
3 xls_getfcell [function] [call site] 00495
3 xls_cell_set_str [function] [call site] 00496
3 xls_showCell [function] [call site] 00497
4 printf [call site] 00498
4 get_brbdnum [function] [call site] 00499
4 printf [call site] 00500
4 printf [call site] 00501
4 printf [call site] 00502
4 printf [call site] 00503
4 printf [call site] 00504
4 printf [call site] 00505
2 get_string [function] [call site] 00506
2 xls_cell_set_str [function] [call site] 00507
2 xls_showCell [function] [call site] 00508
2 xlsShortVal [function] [call site] 00509
2 printf [call site] 00510
2 printf [call site] 00511
1 xls_close_WS [function] [call site] 00512
1 xls_close_WB [function] [call site] 00513