Fuzz introspector: decode_fuzzer
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
35 180 ov_open_callbacks call site: 00180 _open_seekable2
26 217 _decode_clear call site: 00217 ov_clear
11 261 _vds_shared_init call site: 00261 vorbis_book_init_encode
9 273 _float32_unpack call site: 00273 _vp_psy_init
9 347 ov_read_filter call site: 00347 vorbis_fpu_setround
5 54 ogg_stream_pagein call site: 00054 ogg_stream_clear
3 308 _make_decode_ready call site: 00308 oggpack_writeinit
3 341 ov_read_filter call site: 00341 vorbis_fpu_setround
2 7 ogg_sync_buffer call site: 00007 ogg_sync_wrote
2 88 _vorbis_unpack_info call site: 00088 vorbis_staticbook_destroy
2 163 ov_clear call site: 00163 _ve_envelope_clear
2 336 _fetch_and_process_packet call site: 00336 ogg_stream_reset_serialno

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 ov_open_callbacks [function] [call site] 00001
2 _ov_open1 [function] [call site] 00002
3 ogg_sync_init [function] [call site] 00003
3 ogg_sync_buffer [function] [call site] 00004
4 ogg_sync_check [function] [call site] 00005
4 ogg_sync_clear [function] [call site] 00006
4 realloc [call site] 00007
4 ogg_sync_clear [function] [call site] 00008
3 ogg_sync_wrote [function] [call site] 00009
4 ogg_sync_check [function] [call site] 00010
3 calloc [call site] 00011
3 calloc [call site] 00012
3 ogg_stream_init [function] [call site] 00013
4 ogg_stream_clear [function] [call site] 00014
3 _fetch_headers [function] [call site] 00015
4 _get_next_page [function] [call site] 00016
5 ogg_sync_pageseek [function] [call site] 00017
6 ogg_sync_check [function] [call site] 00018
6 memcmp [call site] 00019
6 ogg_page_checksum_set [function] [call site] 00020
7 _os_update_crc [function] [call site] 00021
7 _os_update_crc [function] [call site] 00022
6 memcmp [call site] 00023
6 memchr [call site] 00024
5 _get_data [function] [call site] 00025
6 __errno_location [call site] 00026
6 ogg_sync_buffer [function] [call site] 00027
6 ogg_sync_wrote [function] [call site] 00028
6 __errno_location [call site] 00029
4 vorbis_info_init [function] [call site] 00030
5 calloc [call site] 00031
4 vorbis_comment_init [function] [call site] 00032
4 ogg_page_bos [function] [call site] 00033
4 _lookup_page_serialno [function] [call site] 00034
5 ogg_page_serialno [function] [call site] 00035
5 _lookup_serialno [function] [call site] 00036
4 _add_serialno [function] [call site] 00037
5 ogg_page_serialno [function] [call site] 00038
5 realloc [call site] 00039
4 ogg_page_serialno [function] [call site] 00040
4 ogg_stream_reset_serialno [function] [call site] 00041
5 ogg_stream_check [function] [call site] 00042
5 ogg_stream_reset [function] [call site] 00043
6 ogg_stream_check [function] [call site] 00044
4 ogg_stream_pagein [function] [call site] 00045
5 ogg_page_version [function] [call site] 00046
5 ogg_page_continued [function] [call site] 00047
5 ogg_page_bos [function] [call site] 00048
5 ogg_page_eos [function] [call site] 00049
5 ogg_page_granulepos [function] [call site] 00050
5 ogg_page_serialno [function] [call site] 00051
5 ogg_page_pageno [function] [call site] 00052
5 ogg_stream_check [function] [call site] 00053
5 _os_lacing_expand [function] [call site] 00054
6 ogg_stream_clear [function] [call site] 00055
6 realloc [call site] 00056
6 ogg_stream_clear [function] [call site] 00057
6 realloc [call site] 00058
6 ogg_stream_clear [function] [call site] 00059
5 _os_body_expand [function] [call site] 00060
6 ogg_stream_clear [function] [call site] 00061
6 realloc [call site] 00062
6 ogg_stream_clear [function] [call site] 00063
4 ogg_stream_packetout [function] [call site] 00064
5 ogg_stream_check [function] [call site] 00065
5 _packetout [function] [call site] 00066
4 vorbis_synthesis_idheader [function] [call site] 00067
5 oggpack_readinit [function] [call site] 00068
5 oggpack_read [function] [call site] 00069
5 _v_readstring [function] [call site] 00070
6 oggpack_read [function] [call site] 00071
5 memcmp [call site] 00072
4 vorbis_synthesis_headerin [function] [call site] 00073
5 oggpack_readinit [function] [call site] 00074
5 oggpack_read [function] [call site] 00075
5 _v_readstring [function] [call site] 00076
5 memcmp [call site] 00077
5 _vorbis_unpack_info [function] [call site] 00078
6 oggpack_read [function] [call site] 00079
6 oggpack_read [function] [call site] 00080
6 oggpack_read [function] [call site] 00081
6 oggpack_read [function] [call site] 00082
6 oggpack_read [function] [call site] 00083
6 oggpack_read [function] [call site] 00084
6 oggpack_read [function] [call site] 00085
6 oggpack_read [function] [call site] 00086
6 oggpack_read [function] [call site] 00087
6 vorbis_info_clear [function] [call site] 00088
7 vorbis_staticbook_destroy [function] [call site] 00089
7 vorbis_book_clear [function] [call site] 00090
7 vorbis_decbook_clear [function] [call site] 00091
7 _vi_psy_free [function] [call site] 00092
5 _vorbis_unpack_comment [function] [call site] 00093
6 oggpack_read [function] [call site] 00094
6 calloc [call site] 00095
6 _v_readstring [function] [call site] 00096
6 oggpack_read [function] [call site] 00097
6 oggpack_bytes [function] [call site] 00098
6 calloc [call site] 00099
6 calloc [call site] 00100
6 oggpack_read [function] [call site] 00101
6 oggpack_bytes [function] [call site] 00102
6 calloc [call site] 00103
6 _v_readstring [function] [call site] 00104
6 oggpack_read [function] [call site] 00105
6 vorbis_comment_clear [function] [call site] 00106
5 _vorbis_unpack_books [function] [call site] 00107
6 oggpack_read [function] [call site] 00108
6 calloc [call site] 00109
6 vorbis_decbook_unpack [function] [call site] 00110
7 oggpack_read [function] [call site] 00111
7 oggpack_read [function] [call site] 00112
7 oggpack_read [function] [call site] 00113
7 ov_ilog [function] [call site] 00114
7 oggpack_read [function] [call site] 00115
7 oggpack_read [function] [call site] 00116
7 oggpack_bytes [function] [call site] 00117
7 oggpack_read [function] [call site] 00118
7 oggpack_read [function] [call site] 00119
7 oggpack_read [function] [call site] 00120
7 oggpack_read [function] [call site] 00121
7 ov_ilog [function] [call site] 00122
7 oggpack_read [function] [call site] 00123
7 oggpack_read [function] [call site] 00124
7 oggpack_read [function] [call site] 00125
7 oggpack_read [function] [call site] 00126
7 oggpack_read [function] [call site] 00127
7 _book_maptype1_quantvals [function] [call site] 00128
7 oggpack_bytes [function] [call site] 00129
7 oggpack_read [function] [call site] 00130
6 oggpack_read [function] [call site] 00131
6 oggpack_read [function] [call site] 00132
6 oggpack_read [function] [call site] 00133
6 oggpack_read [function] [call site] 00134
6 oggpack_read [function] [call site] 00135
6 oggpack_read [function] [call site] 00136
6 oggpack_read [function] [call site] 00137
6 oggpack_read [function] [call site] 00138
6 oggpack_read [function] [call site] 00139
6 calloc [call site] 00140
6 oggpack_read [function] [call site] 00141
6 oggpack_read [function] [call site] 00142
6 oggpack_read [function] [call site] 00143
6 oggpack_read [function] [call site] 00144
6 oggpack_read [function] [call site] 00145
6 vorbis_info_clear [function] [call site] 00146
4 _get_next_page [function] [call site] 00147
4 ogg_page_serialno [function] [call site] 00148
4 ogg_stream_pagein [function] [call site] 00149
4 ogg_stream_packetout [function] [call site] 00150
4 vorbis_synthesis_headerin [function] [call site] 00151
4 _get_next_page [function] [call site] 00152
4 ogg_page_serialno [function] [call site] 00153
4 ogg_stream_pagein [function] [call site] 00154
4 ogg_page_bos [function] [call site] 00155
4 vorbis_info_clear [function] [call site] 00156
4 vorbis_comment_clear [function] [call site] 00157
3 ov_clear [function] [call site] 00158
4 vorbis_block_clear [function] [call site] 00159
5 _vorbis_block_ripcord [function] [call site] 00160
6 realloc [call site] 00161
5 oggpack_writeclear [function] [call site] 00162
4 vorbis_dsp_clear [function] [call site] 00163
5 _ve_envelope_clear [function] [call site] 00164
6 mdct_clear [function] [call site] 00165
5 mdct_clear [function] [call site] 00166
5 mdct_clear [function] [call site] 00167
5 _vp_psy_clear [function] [call site] 00168
5 _vp_global_free [function] [call site] 00169
5 vorbis_bitrate_clear [function] [call site] 00170
5 drft_clear [function] [call site] 00171
5 drft_clear [function] [call site] 00172
4 ogg_stream_clear [function] [call site] 00173
4 vorbis_info_clear [function] [call site] 00174
4 vorbis_comment_clear [function] [call site] 00175
4 ogg_sync_clear [function] [call site] 00176
3 calloc [call site] 00177
3 calloc [call site] 00178
3 calloc [call site] 00179
2 _ov_open2 [function] [call site] 00180
3 _open_seekable2 [function] [call site] 00181
4 _initial_pcmoffset [function] [call site] 00182
5 _get_next_page [function] [call site] 00183
5 ogg_page_bos [function] [call site] 00184
5 ogg_page_serialno [function] [call site] 00185
5 ogg_stream_pagein [function] [call site] 00186
5 ogg_stream_packetout [function] [call site] 00187
5 vorbis_packet_blocksize [function] [call site] 00188
6 oggpack_readinit [function] [call site] 00189
6 ov_ilog [function] [call site] 00190
5 ogg_page_granulepos [function] [call site] 00191
5 ogg_page_granulepos [function] [call site] 00192
4 _get_prev_page_serial [function] [call site] 00193
5 _seek_helper [function] [call site] 00194
6 ogg_sync_reset [function] [call site] 00195
7 ogg_sync_check [function] [call site] 00196
5 _get_next_page [function] [call site] 00197
5 ogg_page_serialno [function] [call site] 00198
5 ogg_page_granulepos [function] [call site] 00199
5 _lookup_serialno [function] [call site] 00200
4 _bisect_forward_serialno [function] [call site] 00201
5 _lookup_serialno [function] [call site] 00202
5 _get_prev_page_serial [function] [call site] 00203
5 realloc [call site] 00204
5 realloc [call site] 00205
5 _seek_helper [function] [call site] 00206
5 _get_next_page [function] [call site] 00207
5 _lookup_page_serialno [function] [call site] 00208
5 _get_prev_page_serial [function] [call site] 00209
5 _seek_helper [function] [call site] 00210
5 _fetch_headers [function] [call site] 00211
5 _initial_pcmoffset [function] [call site] 00212
5 _bisect_forward_serialno [function] [call site] 00213
4 ov_raw_seek [function] [call site] 00214
5 _decode_clear [function] [call site] 00215
6 vorbis_dsp_clear [function] [call site] 00216
6 vorbis_block_clear [function] [call site] 00217
5 ogg_stream_reset_serialno [function] [call site] 00218
5 vorbis_synthesis_restart [function] [call site] 00219
5 _seek_helper [function] [call site] 00220
5 _decode_clear [function] [call site] 00221
5 ogg_stream_init [function] [call site] 00222
5 ogg_stream_reset [function] [call site] 00223
5 ogg_stream_packetout [function] [call site] 00224
5 vorbis_packet_blocksize [function] [call site] 00225
5 ogg_stream_packetout [function] [call site] 00226
5 ogg_stream_packetout [function] [call site] 00227
5 ogg_stream_packetout [function] [call site] 00228
5 _get_next_page [function] [call site] 00229
5 ov_pcm_total [function] [call site] 00230
6 ov_pcm_total [function] [call site] 00231
5 ogg_page_serialno [function] [call site] 00232
5 ogg_page_bos [function] [call site] 00233
5 _decode_clear [function] [call site] 00234
5 ogg_stream_clear [function] [call site] 00235
5 ogg_page_serialno [function] [call site] 00236
5 ogg_stream_reset_serialno [function] [call site] 00237
5 ogg_stream_reset_serialno [function] [call site] 00238
5 ogg_stream_pagein [function] [call site] 00239
5 ogg_stream_pagein [function] [call site] 00240
5 ogg_page_eos [function] [call site] 00241
5 ogg_stream_clear [function] [call site] 00242
3 ov_clear [function] [call site] 00243
1 ov_read [function] [call site] 00244
2 ov_read_filter [function] [call site] 00245
3 host_is_big_endian [function] [call site] 00246
3 vorbis_synthesis_pcmout [function] [call site] 00247
3 _fetch_and_process_packet [function] [call site] 00248
4 _make_decode_ready [function] [call site] 00249
5 vorbis_synthesis_init [function] [call site] 00250
6 _vds_shared_init [function] [call site] 00251
7 calloc [call site] 00252
7 ov_ilog [function] [call site] 00253
7 calloc [call site] 00254
7 calloc [call site] 00255
7 calloc [call site] 00256
7 calloc [call site] 00257
7 mdct_init [function] [call site] 00258
7 mdct_init [function] [call site] 00259
7 ov_ilog [function] [call site] 00260
7 ov_ilog [function] [call site] 00261
7 drft_init [function] [call site] 00262
8 calloc [call site] 00263
8 calloc [call site] 00264
8 fdrffti [function] [call site] 00265
9 drfti1 [function] [call site] 00266
7 drft_init [function] [call site] 00267
7 calloc [call site] 00268
7 vorbis_book_init_encode [function] [call site] 00269
8 _make_words [function] [call site] 00270
8 _book_maptype1_quantvals [function] [call site] 00271
8 _float32_unpack [function] [call site] 00272
9 ldexp [call site] 00273
8 _float32_unpack [function] [call site] 00274
7 calloc [call site] 00275
7 _vp_psy_init [function] [call site] 00276
8 setup_tone_curves [function] [call site] 00277
9 attenuate_curve [function] [call site] 00278
9 attenuate_curve [function] [call site] 00279
9 max_curve [function] [call site] 00280
9 min_curve [function] [call site] 00281
9 min_curve [function] [call site] 00282
7 vorbis_book_init_decode [function] [call site] 00283
8 dec_make_words [function] [call site] 00284
8 qsort [call site] 00285
8 sort64a [function] [call site] 00286
8 _book_unquantize [function] [call site] 00287
9 _float32_unpack [function] [call site] 00288
9 _float32_unpack [function] [call site] 00289
9 _book_maptype1_quantvals [function] [call site] 00290
8 _book_unquantize [function] [call site] 00291
8 calloc [call site] 00292
8 ov_ilog [function] [call site] 00293
8 calloc [call site] 00294
8 bitreverse [function] [call site] 00295
8 bitreverse [function] [call site] 00296
8 bitreverse [function] [call site] 00297
8 bitreverse [function] [call site] 00298
8 bitreverse [function] [call site] 00299
7 calloc [call site] 00300
7 calloc [call site] 00301
7 vorbis_staticbook_destroy [function] [call site] 00302
7 vorbis_decbook_clear [function] [call site] 00303
7 vorbis_dsp_clear [function] [call site] 00304
6 vorbis_dsp_clear [function] [call site] 00305
6 vorbis_synthesis_restart [function] [call site] 00306
5 vorbis_synthesis_init [function] [call site] 00307
5 vorbis_block_init [function] [call site] 00308
6 calloc [call site] 00309
6 calloc [call site] 00310
6 oggpack_writeinit [function] [call site] 00311
4 vorbis_synthesis_halfrate_p [function] [call site] 00312
4 ogg_stream_packetout [function] [call site] 00313
4 vorbis_synthesis [function] [call site] 00314
5 _vorbis_block_ripcord [function] [call site] 00315
5 oggpack_readinit [function] [call site] 00316
5 oggpack_read [function] [call site] 00317
5 oggpack_read [function] [call site] 00318
5 oggpack_read [function] [call site] 00319
5 oggpack_read [function] [call site] 00320
5 _vorbis_block_alloc [function] [call site] 00321
5 _vorbis_block_alloc [function] [call site] 00322
4 vorbis_synthesis_pcmout [function] [call site] 00323
4 vorbis_synthesis_blockin [function] [call site] 00324
5 _vorbis_window_get [function] [call site] 00325
5 _vorbis_window_get [function] [call site] 00326
5 _vorbis_window_get [function] [call site] 00327
5 _vorbis_window_get [function] [call site] 00328
4 vorbis_synthesis_pcmout [function] [call site] 00329
4 vorbis_synthesis_pcmout [function] [call site] 00330
4 _get_next_page [function] [call site] 00331
4 ogg_page_serialno [function] [call site] 00332
4 ogg_page_bos [function] [call site] 00333
4 _decode_clear [function] [call site] 00334
4 vorbis_info_clear [function] [call site] 00335
4 vorbis_comment_clear [function] [call site] 00336
4 ogg_page_serialno [function] [call site] 00337
4 ogg_stream_reset_serialno [function] [call site] 00338
4 _fetch_headers [function] [call site] 00339
4 ogg_stream_pagein [function] [call site] 00340
3 ov_info [function] [call site] 00341
3 vorbis_fpu_setround [function] [call site] 00342
3 vorbis_ftoi [function] [call site] 00343
3 vorbis_fpu_restore [function] [call site] 00344
3 vorbis_fpu_setround [function] [call site] 00345
3 vorbis_ftoi [function] [call site] 00346
3 vorbis_fpu_restore [function] [call site] 00347
3 vorbis_fpu_setround [function] [call site] 00348
3 vorbis_ftoi [function] [call site] 00349
3 vorbis_fpu_restore [function] [call site] 00350
3 vorbis_fpu_setround [function] [call site] 00351
3 vorbis_ftoi [function] [call site] 00352
3 vorbis_fpu_restore [function] [call site] 00353
3 vorbis_fpu_setround [function] [call site] 00354
3 vorbis_ftoi [function] [call site] 00355
3 vorbis_fpu_restore [function] [call site] 00356
3 vorbis_synthesis_read [function] [call site] 00357
3 vorbis_synthesis_halfrate_p [function] [call site] 00358
1 ov_clear [function] [call site] 00359