Fuzz introspector: fuzz
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
2 30 ne_io_read_direct call site: 00030 ne_io_clamp_request
2 278 ne_alloc_frame_encryption call site: 00278 nestegg_free_packet
2 281 ne_read_block call site: 00281 nestegg_free_packet
2 296 ne_read_block call site: 00296 nestegg_free_packet
2 305 nestegg_read_packet call site: 00305 nestegg_free_packet
2 350 nestegg_read_packet call site: 00350 nestegg_free_packet
1 6 ne_context_new call site: 00006 nestegg_destroy
1 11 ne_pool_init call site: 00011 nestegg_destroy
1 17 ne_peek_element_with_io_limit call site: 00017 ne_peek_element
1 34 ne_io_read_direct call site: 00034 ne_io_seek
1 38 ne_io_fill_buffer call site: 00038 ne_io_seek
1 49 ne_ctx_push call site: 00049 nestegg_destroy

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_one_input(unsigned char const*, unsigned long, unsigned long) [function] [call site] 00001
2 nestegg_init [function] [call site] 00002
3 ne_context_new [function] [call site] 00003
4 ne_alloc [function] [call site] 00004
5 calloc [call site] 00005
4 nestegg_destroy [function] [call site] 00007
5 __assert_fail [call site] 00008
5 ne_pool_destroy [function] [call site] 00009
4 ne_pool_init [function] [call site] 00010
5 calloc [call site] 00011
4 nestegg_destroy [function] [call site] 00012
4 ne_init_defaults [function] [call site] 00013
5 ne_init_defaults [function] [call site] 00014
3 ne_peek_element_with_io_limit [function] [call site] 00015
4 ne_with_io_limit [function] [call site] 00016
4 ne_peek_element_id [function] [call site] 00017
5 ne_peek_element [function] [call site] 00018
6 ne_read_id [function] [call site] 00019
7 ne_bare_read_vint [function] [call site] 00020
8 ne_io_read [function] [call site] 00021
9 ne_io_read_from_buffer [function] [call site] 00022
10 __assert_fail [call site] 00023
9 ne_io_rewind_to_logical_pos [function] [call site] 00024
10 ne_io_tell [function] [call site] 00025
11 __assert_fail [call site] 00026
10 ne_io_seek [function] [call site] 00027
11 __assert_fail [call site] 00028
9 ne_io_read_direct [function] [call site] 00029
10 ne_io_tell [function] [call site] 00030
10 ne_io_seek [function] [call site] 00031
10 ne_io_clamp_request [function] [call site] 00032
11 __assert_fail [call site] 00033
10 ne_io_seek [function] [call site] 00034
10 ne_io_seek [function] [call site] 00035
9 ne_io_fill_buffer [function] [call site] 00036
10 ne_io_tell [function] [call site] 00037
10 ne_io_clamp_request [function] [call site] 00038
10 ne_io_seek [function] [call site] 00039
10 __assert_fail [call site] 00040
10 ne_io_seek [function] [call site] 00041
9 ne_io_read_from_buffer [function] [call site] 00042
8 ne_io_read [function] [call site] 00043
6 ne_read_vint [function] [call site] 00044
7 ne_bare_read_vint [function] [call site] 00045
3 nestegg_destroy [function] [call site] 00046
3 nestegg_destroy [function] [call site] 00047
3 ne_ctx_push [function] [call site] 00048
3 nestegg_destroy [function] [call site] 00050
3 ne_parse_with_io_limit [function] [call site] 00051
4 ne_with_io_limit [function] [call site] 00052
4 ne_parse_call [function] [call site] 00053
5 ne_parse [function] [call site] 00054
6 __assert_fail [call site] 00055
6 ne_io_tell [function] [call site] 00056
6 ne_peek_element [function] [call site] 00057
6 ne_find_element [function] [call site] 00058
6 __assert_fail [call site] 00059
6 ne_read_element [function] [call site] 00060
7 ne_peek_element [function] [call site] 00061
6 __assert_fail [call site] 00062
6 ne_io_tell [function] [call site] 00063
6 ne_read_master [function] [call site] 00064
7 __assert_fail [call site] 00065
7 ne_pool_alloc [function] [call site] 00066
8 calloc [call site] 00067
8 calloc [call site] 00068
7 ne_pool_alloc [function] [call site] 00069
7 ne_init_defaults [function] [call site] 00070
7 ne_ctx_push [function] [call site] 00071
6 ne_read_single_master [function] [call site] 00072
7 __assert_fail [call site] 00073
7 ne_ctx_push [function] [call site] 00074
6 ne_read_simple [function] [call site] 00075
7 ne_io_read_skip [function] [call site] 00076
8 ne_io_read [function] [call site] 00077
7 ne_read_uint [function] [call site] 00078
8 ne_io_read [function] [call site] 00079
7 ne_read_float [function] [call site] 00080
8 ne_read_uint [function] [call site] 00081
7 ne_read_string [function] [call site] 00082
8 ne_pool_alloc [function] [call site] 00083
8 ne_io_read [function] [call site] 00084
7 ne_read_binary [function] [call site] 00085
8 ne_pool_alloc [function] [call site] 00086
8 ne_io_read [function] [call site] 00087
7 __assert_fail [call site] 00088
6 ne_is_ancestor_element [function] [call site] 00089
6 ne_ctx_pop [function] [call site] 00090
6 ne_read_element [function] [call site] 00091
6 ne_io_read_skip [function] [call site] 00092
6 ne_ctx_pop [function] [call site] 00093
3 ne_ctx_pop [function] [call site] 00094
3 nestegg_destroy [function] [call site] 00095
3 ne_get_uint [function] [call site] 00096
4 ne_type_is_set [function] [call site] 00097
4 __assert_fail [call site] 00098
3 nestegg_destroy [function] [call site] 00099
3 ne_get_string [function] [call site] 00100
4 ne_type_is_set [function] [call site] 00101
4 __assert_fail [call site] 00102
3 strcmp [call site] 00103
3 nestegg_destroy [function] [call site] 00104
3 ne_get_uint [function] [call site] 00105
3 nestegg_destroy [function] [call site] 00106
3 nestegg_destroy [function] [call site] 00107
3 ne_init_track_indexes [function] [call site] 00108
4 ne_pool_alloc [function] [call site] 00109
4 ne_pool_alloc [function] [call site] 00110
4 ne_get_uint [function] [call site] 00111
4 qsort [call site] 00112
4 ne_compare_track_number_index [function] [call site] 00113
3 nestegg_destroy [function] [call site] 00114
3 ne_ctx_save [function] [call site] 00115
4 ne_io_tell [function] [call site] 00116
3 nestegg_destroy [function] [call site] 00117
2 nestegg_track_count [function] [call site] 00118
2 nestegg_duration [function] [call site] 00119
3 ne_get_float [function] [call site] 00120
4 ne_type_is_set [function] [call site] 00121
4 __assert_fail [call site] 00122
3 ne_get_timecode_scale [function] [call site] 00123
4 ne_get_uint [function] [call site] 00124
2 nestegg_tstamp_scale [function] [call site] 00125
3 ne_get_timecode_scale [function] [call site] 00126
2 nestegg_has_cues [function] [call site] 00127
3 ne_find_seek_for_id [function] [call site] 00128
4 __assert_fail [call site] 00129
4 __assert_fail [call site] 00130
4 ne_get_binary [function] [call site] 00131
5 ne_type_is_set [function] [call site] 00132
5 __assert_fail [call site] 00133
4 ne_buf_read_id [function] [call site] 00134
2 nestegg_track_type [function] [call site] 00135
3 ne_find_track_entry [function] [call site] 00136
3 ne_get_uint [function] [call site] 00137
2 nestegg_track_codec_id [function] [call site] 00138
3 ne_find_track_entry [function] [call site] 00139
3 ne_get_string [function] [call site] 00140
3 strcmp [call site] 00141
3 strcmp [call site] 00142
3 strcmp [call site] 00143
3 strcmp [call site] 00144
3 strcmp [call site] 00145
3 strcmp [call site] 00146
3 strcmp [call site] 00147
3 strcmp [call site] 00148
3 strcmp [call site] 00149
3 strcmp [call site] 00150
3 strcmp [call site] 00151
3 strcmp [call site] 00152
3 strcmp [call site] 00153
3 strcmp [call site] 00154
3 strcmp [call site] 00155
3 strcmp [call site] 00156
3 strcmp [call site] 00157
3 strcmp [call site] 00158
2 nestegg_track_codec_data_count [function] [call site] 00159
3 ne_find_track_entry [function] [call site] 00160
3 nestegg_track_codec_id [function] [call site] 00161
3 ne_get_binary [function] [call site] 00162
2 nestegg_track_encoding [function] [call site] 00163
3 ne_find_track_entry [function] [call site] 00164
3 ne_get_uint [function] [call site] 00165
2 nestegg_track_default_duration [function] [call site] 00166
3 ne_find_track_entry [function] [call site] 00167
3 ne_get_uint [function] [call site] 00168
2 nestegg_track_content_enc_key_id [function] [call site] 00169
3 ne_find_track_entry [function] [call site] 00170
3 ne_get_uint [function] [call site] 00171
3 ne_get_uint [function] [call site] 00172
3 ne_get_uint [function] [call site] 00173
3 ne_get_binary [function] [call site] 00174
2 nestegg_track_codec_data [function] [call site] 00175
3 ne_find_track_entry [function] [call site] 00176
3 nestegg_track_codec_data_count [function] [call site] 00177
3 ne_get_binary [function] [call site] 00178
3 nestegg_track_codec_id [function] [call site] 00179
3 ne_read_uint [function] [call site] 00180
3 ne_read_xiph_lacing [function] [call site] 00181
4 ne_read_xiph_lace_value [function] [call site] 00182
5 ne_read_uint [function] [call site] 00183
5 ne_read_uint [function] [call site] 00184
3 __assert_fail [call site] 00185
2 nestegg_track_video_params [function] [call site] 00186
3 ne_find_track_entry [function] [call site] 00187
3 nestegg_track_type [function] [call site] 00188
3 ne_get_uint [function] [call site] 00189
3 ne_get_uint [function] [call site] 00190
3 ne_get_uint [function] [call site] 00191
3 ne_get_uint [function] [call site] 00192
3 ne_get_uint [function] [call site] 00193
3 ne_get_uint [function] [call site] 00194
3 ne_get_uint [function] [call site] 00195
3 ne_get_uint [function] [call site] 00196
3 ne_get_uint [function] [call site] 00197
3 ne_get_uint [function] [call site] 00198
3 ne_get_uint [function] [call site] 00199
3 ne_get_uint [function] [call site] 00200
3 ne_get_uint [function] [call site] 00201
3 ne_get_uint [function] [call site] 00202
3 ne_get_uint [function] [call site] 00203
3 ne_get_uint [function] [call site] 00204
3 ne_get_uint [function] [call site] 00205
3 ne_get_float [function] [call site] 00206
3 ne_get_float [function] [call site] 00207
3 ne_get_float [function] [call site] 00208
3 strtod [call site] 00209
3 ne_get_float [function] [call site] 00210
3 strtod [call site] 00211
3 ne_get_float [function] [call site] 00212
3 strtod [call site] 00213
3 ne_get_float [function] [call site] 00214
3 strtod [call site] 00215
3 ne_get_float [function] [call site] 00216
3 strtod [call site] 00217
3 ne_get_float [function] [call site] 00218
3 strtod [call site] 00219
3 ne_get_float [function] [call site] 00220
3 strtod [call site] 00221
3 ne_get_float [function] [call site] 00222
3 strtod [call site] 00223
3 ne_get_float [function] [call site] 00224
3 strtod [call site] 00225
3 ne_get_float [function] [call site] 00226
3 strtod [call site] 00227
3 ne_get_float [function] [call site] 00228
2 nestegg_track_audio_params [function] [call site] 00229
3 ne_find_track_entry [function] [call site] 00230
3 nestegg_track_type [function] [call site] 00231
3 ne_get_float [function] [call site] 00232
3 ne_get_uint [function] [call site] 00233
3 ne_get_uint [function] [call site] 00234
3 ne_get_uint [function] [call site] 00235
3 ne_get_uint [function] [call site] 00236
2 nestegg_read_packet [function] [call site] 00237
3 __assert_fail [call site] 00238
3 ne_ctx_save [function] [call site] 00239
3 ne_read_element [function] [call site] 00240
3 ne_read_element [function] [call site] 00241
3 ne_io_read_skip [function] [call site] 00242
3 ne_read_uint [function] [call site] 00243
3 ne_read_block [function] [call site] 00244
4 ne_read_vint [function] [call site] 00245
4 ne_read_int [function] [call site] 00246
5 ne_read_uint [function] [call site] 00247
4 ne_read_uint [function] [call site] 00248
4 ne_read_uint [function] [call site] 00249
4 __assert_fail [call site] 00250
4 ne_read_xiph_lacing [function] [call site] 00251
4 ne_read_ebml_lacing [function] [call site] 00252
5 ne_read_vint [function] [call site] 00253
5 ne_read_svint [function] [call site] 00254
6 ne_bare_read_vint [function] [call site] 00255
4 __assert_fail [call site] 00256
4 ne_map_track_number_to_index [function] [call site] 00257
4 ne_find_track_entry [function] [call site] 00258
4 ne_read_block_encryption [function] [call site] 00259
5 ne_get_uint [function] [call site] 00260
5 ne_get_uint [function] [call site] 00261
5 ne_get_uint [function] [call site] 00262
4 ne_get_timecode_scale [function] [call site] 00263
4 ne_saturate_mul_uint64 [function] [call site] 00265
4 nestegg_free_packet [function] [call site] 00267
5 ne_free_frame [function] [call site] 00268
5 ne_free_block_additions [function] [call site] 00269
4 nestegg_free_packet [function] [call site] 00270
4 ne_alloc_frame [function] [call site] 00271
4 nestegg_free_packet [function] [call site] 00273
4 ne_io_read [function] [call site] 00274
4 ne_free_frame [function] [call site] 00275
4 nestegg_free_packet [function] [call site] 00276
4 ne_alloc_frame_encryption [function] [call site] 00277
4 ne_free_frame [function] [call site] 00279
4 nestegg_free_packet [function] [call site] 00280
4 ne_free_frame [function] [call site] 00282
4 nestegg_free_packet [function] [call site] 00283
4 ne_io_read [function] [call site] 00284
4 ne_free_frame [function] [call site] 00285
4 nestegg_free_packet [function] [call site] 00286
4 ne_io_read [function] [call site] 00287
4 ne_free_frame [function] [call site] 00288
4 nestegg_free_packet [function] [call site] 00289
4 ne_read_uint [function] [call site] 00291
4 ne_free_frame [function] [call site] 00292
4 nestegg_free_packet [function] [call site] 00293
4 ne_free_frame [function] [call site] 00294
4 nestegg_free_packet [function] [call site] 00295
4 ne_free_frame [function] [call site] 00297
4 nestegg_free_packet [function] [call site] 00298
4 ne_io_read [function] [call site] 00299
4 ne_free_frame [function] [call site] 00300
4 nestegg_free_packet [function] [call site] 00301
3 ne_io_tell [function] [call site] 00302
3 nestegg_free_packet [function] [call site] 00303
3 ne_io_tell [function] [call site] 00304
3 ne_io_tell [function] [call site] 00305
3 ne_free_block_additions [function] [call site] 00306
3 nestegg_free_packet [function] [call site] 00307
3 ne_read_element [function] [call site] 00308
3 ne_free_block_additions [function] [call site] 00309
3 nestegg_free_packet [function] [call site] 00310
3 nestegg_free_packet [function] [call site] 00311
3 ne_read_block [function] [call site] 00312
3 ne_free_block_additions [function] [call site] 00313
3 nestegg_free_packet [function] [call site] 00314
3 ne_read_uint [function] [call site] 00315
3 ne_free_block_additions [function] [call site] 00316
3 nestegg_free_packet [function] [call site] 00317
3 ne_get_timecode_scale [function] [call site] 00318
3 ne_free_block_additions [function] [call site] 00319
3 nestegg_free_packet [function] [call site] 00320
3 ne_saturate_mul_uint64 [function] [call site] 00321
3 ne_read_int [function] [call site] 00322
3 ne_free_block_additions [function] [call site] 00323
3 nestegg_free_packet [function] [call site] 00324
3 ne_free_block_additions [function] [call site] 00325
3 nestegg_free_packet [function] [call site] 00326
3 ne_read_block_additions [function] [call site] 00327
4 __assert_fail [call site] 00328
4 ne_io_tell [function] [call site] 00329
4 ne_io_tell [function] [call site] 00330
4 ne_read_element [function] [call site] 00331
4 ne_io_read_skip [function] [call site] 00332
4 ne_io_tell [function] [call site] 00333
4 ne_io_tell [function] [call site] 00334
4 ne_read_element [function] [call site] 00335
4 ne_read_uint [function] [call site] 00336
4 ne_io_read [function] [call site] 00338
4 ne_io_read_skip [function] [call site] 00339
3 ne_free_block_additions [function] [call site] 00341
3 nestegg_free_packet [function] [call site] 00342
3 ne_read_int [function] [call site] 00343
3 ne_free_block_additions [function] [call site] 00344
3 nestegg_free_packet [function] [call site] 00345
3 ne_io_read_skip [function] [call site] 00346
3 ne_free_block_additions [function] [call site] 00347
3 nestegg_free_packet [function] [call site] 00348
3 __assert_fail [call site] 00349
3 ne_io_tell [function] [call site] 00350
3 ne_free_block_additions [function] [call site] 00351
3 nestegg_free_packet [function] [call site] 00352
3 ne_free_block_additions [function] [call site] 00353
3 ne_io_read_skip [function] [call site] 00354
2 __assert_fail [call site] 00355
2 nestegg_packet_track [function] [call site] 00356
2 nestegg_packet_has_keyframe [function] [call site] 00357
2 nestegg_packet_count [function] [call site] 00358
2 nestegg_packet_tstamp [function] [call site] 00359
2 nestegg_packet_duration [function] [call site] 00360
2 nestegg_packet_discard_padding [function] [call site] 00361
2 nestegg_packet_reference_block [function] [call site] 00362
2 nestegg_packet_end_offset [function] [call site] 00363
2 nestegg_packet_additional_data [function] [call site] 00364
2 nestegg_packet_encryption [function] [call site] 00365
3 __assert_fail [call site] 00366
2 nestegg_packet_iv [function] [call site] 00367
3 __assert_fail [call site] 00368
2 nestegg_packet_offsets [function] [call site] 00369
3 __assert_fail [call site] 00370
2 nestegg_packet_data [function] [call site] 00371
2 nestegg_free_packet [function] [call site] 00372
2 nestegg_destroy [function] [call site] 00373
1 fuzz_one_input(unsigned char const*, unsigned long, unsigned long) [function] [call site] 00374