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
2 236 ne_alloc_frame_encryption call site: 00236 nestegg_free_packet
2 239 ne_read_block call site: 00239 nestegg_free_packet
2 254 ne_read_block call site: 00254 nestegg_free_packet
1 5 ne_context_new call site: 00005 nestegg_destroy
1 10 ne_pool_init call site: 00010 nestegg_destroy
1 22 ne_ctx_push call site: 00022 nestegg_destroy
1 57 ne_read_binary call site: 00057 __assert_fail
1 77 ne_ctx_save call site: 00077 nestegg_destroy
1 207 ne_read_block call site: 00207 __assert_fail
1 213 ne_read_svint call site: 00213 __assert_fail
1 230 ne_alloc_frame call site: 00230 nestegg_free_packet
1 267 nestegg_read_packet call site: 00267 nestegg_free_packet

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 nestegg_init [function] [call site] 00001
2 ne_context_new [function] [call site] 00002
3 ne_alloc [function] [call site] 00003
4 calloc [call site] 00004
3 ne_alloc [function] [call site] 00005
3 nestegg_destroy [function] [call site] 00006
4 __assert_fail [call site] 00007
4 ne_pool_destroy [function] [call site] 00008
3 ne_pool_init [function] [call site] 00009
4 calloc [call site] 00010
3 nestegg_destroy [function] [call site] 00011
2 ne_peek_element [function] [call site] 00012
3 ne_read_id [function] [call site] 00013
4 ne_bare_read_vint [function] [call site] 00014
5 ne_io_read [function] [call site] 00015
5 ne_io_read [function] [call site] 00016
3 ne_read_vint [function] [call site] 00017
4 ne_bare_read_vint [function] [call site] 00018
2 nestegg_destroy [function] [call site] 00019
2 nestegg_destroy [function] [call site] 00020
2 ne_ctx_push [function] [call site] 00021
3 ne_alloc [function] [call site] 00022
2 nestegg_destroy [function] [call site] 00023
2 ne_parse [function] [call site] 00024
3 __assert_fail [call site] 00025
3 ne_io_tell [function] [call site] 00026
3 ne_peek_element [function] [call site] 00027
3 ne_find_element [function] [call site] 00028
3 __assert_fail [call site] 00029
3 ne_read_element [function] [call site] 00030
4 ne_peek_element [function] [call site] 00031
3 __assert_fail [call site] 00032
3 ne_io_tell [function] [call site] 00033
3 ne_read_master [function] [call site] 00034
4 __assert_fail [call site] 00035
4 ne_pool_alloc [function] [call site] 00036
5 calloc [call site] 00037
5 calloc [call site] 00038
4 ne_pool_alloc [function] [call site] 00039
4 ne_ctx_push [function] [call site] 00040
3 ne_read_single_master [function] [call site] 00041
4 __assert_fail [call site] 00042
4 ne_ctx_push [function] [call site] 00043
3 ne_read_simple [function] [call site] 00044
4 ne_io_read_skip [function] [call site] 00045
5 ne_io_read [function] [call site] 00046
4 ne_read_uint [function] [call site] 00047
5 ne_io_read [function] [call site] 00048
5 ne_io_read [function] [call site] 00049
4 ne_read_float [function] [call site] 00050
5 ne_read_uint [function] [call site] 00051
4 ne_read_string [function] [call site] 00052
5 ne_pool_alloc [function] [call site] 00053
5 ne_io_read [function] [call site] 00054
4 ne_read_binary [function] [call site] 00055
5 ne_pool_alloc [function] [call site] 00056
5 ne_io_read [function] [call site] 00057
4 __assert_fail [call site] 00058
3 ne_is_ancestor_element [function] [call site] 00059
3 ne_ctx_pop [function] [call site] 00060
3 ne_read_element [function] [call site] 00061
3 ne_io_read_skip [function] [call site] 00062
3 ne_ctx_pop [function] [call site] 00063
2 ne_ctx_pop [function] [call site] 00064
2 nestegg_destroy [function] [call site] 00065
2 ne_get_uint [function] [call site] 00066
3 __assert_fail [call site] 00067
2 nestegg_destroy [function] [call site] 00068
2 ne_get_string [function] [call site] 00069
3 __assert_fail [call site] 00070
2 strcmp [call site] 00071
2 nestegg_destroy [function] [call site] 00072
2 ne_get_uint [function] [call site] 00073
2 nestegg_destroy [function] [call site] 00074
2 nestegg_destroy [function] [call site] 00075
2 ne_ctx_save [function] [call site] 00076
3 ne_io_tell [function] [call site] 00077
2 nestegg_destroy [function] [call site] 00078
1 nestegg_track_count [function] [call site] 00079
1 nestegg_duration [function] [call site] 00080
2 ne_get_float [function] [call site] 00081
3 __assert_fail [call site] 00082
2 ne_get_timecode_scale [function] [call site] 00083
3 ne_get_uint [function] [call site] 00084
1 nestegg_tstamp_scale [function] [call site] 00085
2 ne_get_timecode_scale [function] [call site] 00086
1 nestegg_has_cues [function] [call site] 00087
2 ne_find_seek_for_id [function] [call site] 00088
3 __assert_fail [call site] 00089
3 __assert_fail [call site] 00090
3 ne_get_binary [function] [call site] 00091
4 __assert_fail [call site] 00092
3 ne_buf_read_id [function] [call site] 00093
1 nestegg_track_type [function] [call site] 00094
2 ne_find_track_entry [function] [call site] 00095
3 __assert_fail [call site] 00096
2 ne_get_uint [function] [call site] 00097
1 nestegg_track_codec_id [function] [call site] 00098
2 ne_find_track_entry [function] [call site] 00099
2 ne_get_string [function] [call site] 00100
2 strcmp [call site] 00101
2 strcmp [call site] 00102
2 strcmp [call site] 00103
2 strcmp [call site] 00104
2 strcmp [call site] 00105
2 strcmp [call site] 00106
2 strcmp [call site] 00107
2 strcmp [call site] 00108
2 strcmp [call site] 00109
2 strcmp [call site] 00110
2 strcmp [call site] 00111
2 strcmp [call site] 00112
2 strcmp [call site] 00113
2 strcmp [call site] 00114
2 strcmp [call site] 00115
2 strcmp [call site] 00116
2 strcmp [call site] 00117
2 strcmp [call site] 00118
1 nestegg_track_codec_data_count [function] [call site] 00119
2 ne_find_track_entry [function] [call site] 00120
2 nestegg_track_codec_id [function] [call site] 00121
2 ne_get_binary [function] [call site] 00122
1 nestegg_track_encoding [function] [call site] 00123
2 ne_find_track_entry [function] [call site] 00124
2 ne_get_uint [function] [call site] 00125
1 nestegg_track_default_duration [function] [call site] 00126
2 ne_find_track_entry [function] [call site] 00127
2 ne_get_uint [function] [call site] 00128
1 nestegg_track_content_enc_key_id [function] [call site] 00129
2 ne_find_track_entry [function] [call site] 00130
2 ne_get_uint [function] [call site] 00131
2 ne_get_uint [function] [call site] 00132
2 ne_get_uint [function] [call site] 00133
2 ne_get_binary [function] [call site] 00134
1 nestegg_track_codec_data [function] [call site] 00135
2 ne_find_track_entry [function] [call site] 00136
2 nestegg_track_codec_data_count [function] [call site] 00137
2 ne_get_binary [function] [call site] 00138
2 nestegg_track_codec_id [function] [call site] 00139
2 ne_read_uint [function] [call site] 00140
2 ne_read_xiph_lacing [function] [call site] 00141
3 ne_read_xiph_lace_value [function] [call site] 00142
4 ne_read_uint [function] [call site] 00143
4 ne_read_uint [function] [call site] 00144
2 __assert_fail [call site] 00145
1 nestegg_track_video_params [function] [call site] 00146
2 ne_find_track_entry [function] [call site] 00147
2 nestegg_track_type [function] [call site] 00148
2 ne_get_uint [function] [call site] 00149
2 ne_get_uint [function] [call site] 00150
2 ne_get_uint [function] [call site] 00151
2 ne_get_uint [function] [call site] 00152
2 ne_get_uint [function] [call site] 00153
2 ne_get_uint [function] [call site] 00154
2 ne_get_uint [function] [call site] 00155
2 ne_get_uint [function] [call site] 00156
2 ne_get_uint [function] [call site] 00157
2 ne_get_uint [function] [call site] 00158
2 ne_get_uint [function] [call site] 00159
2 ne_get_uint [function] [call site] 00160
2 ne_get_uint [function] [call site] 00161
2 ne_get_uint [function] [call site] 00162
2 ne_get_uint [function] [call site] 00163
2 ne_get_float [function] [call site] 00164
2 ne_get_float [function] [call site] 00165
2 ne_get_float [function] [call site] 00166
2 strtod [call site] 00167
2 ne_get_float [function] [call site] 00168
2 strtod [call site] 00169
2 ne_get_float [function] [call site] 00170
2 strtod [call site] 00171
2 ne_get_float [function] [call site] 00172
2 strtod [call site] 00173
2 ne_get_float [function] [call site] 00174
2 strtod [call site] 00175
2 ne_get_float [function] [call site] 00176
2 strtod [call site] 00177
2 ne_get_float [function] [call site] 00178
2 strtod [call site] 00179
2 ne_get_float [function] [call site] 00180
2 strtod [call site] 00181
2 ne_get_float [function] [call site] 00182
2 strtod [call site] 00183
2 ne_get_float [function] [call site] 00184
2 strtod [call site] 00185
2 ne_get_float [function] [call site] 00186
1 nestegg_track_audio_params [function] [call site] 00187
2 ne_find_track_entry [function] [call site] 00188
2 nestegg_track_type [function] [call site] 00189
2 ne_get_float [function] [call site] 00190
2 ne_get_uint [function] [call site] 00191
2 ne_get_uint [function] [call site] 00192
2 ne_get_uint [function] [call site] 00193
2 ne_get_uint [function] [call site] 00194
1 nestegg_read_packet [function] [call site] 00195
2 __assert_fail [call site] 00196
2 ne_ctx_save [function] [call site] 00197
2 ne_read_element [function] [call site] 00198
2 ne_read_element [function] [call site] 00199
2 ne_io_read_skip [function] [call site] 00200
2 ne_read_uint [function] [call site] 00201
2 ne_read_block [function] [call site] 00202
3 ne_read_vint [function] [call site] 00203
3 ne_read_int [function] [call site] 00204
4 ne_read_uint [function] [call site] 00205
3 ne_read_uint [function] [call site] 00206
3 ne_read_uint [function] [call site] 00207
3 __assert_fail [call site] 00208
3 ne_read_xiph_lacing [function] [call site] 00209
3 ne_read_ebml_lacing [function] [call site] 00210
4 ne_read_vint [function] [call site] 00211
4 ne_read_svint [function] [call site] 00212
5 ne_bare_read_vint [function] [call site] 00213
3 __assert_fail [call site] 00214
3 ne_map_track_number_to_index [function] [call site] 00215
4 __assert_fail [call site] 00216
4 ne_get_uint [function] [call site] 00217
3 ne_find_track_entry [function] [call site] 00218
3 ne_read_block_encryption [function] [call site] 00219
4 ne_get_uint [function] [call site] 00220
4 ne_get_uint [function] [call site] 00221
4 ne_get_uint [function] [call site] 00222
3 ne_get_timecode_scale [function] [call site] 00223
3 ne_alloc [function] [call site] 00224
3 ne_saturate_mul_uint64 [function] [call site] 00225
3 nestegg_free_packet [function] [call site] 00226
4 ne_free_frame [function] [call site] 00227
4 ne_free_block_additions [function] [call site] 00228
3 ne_alloc_frame [function] [call site] 00229
4 ne_alloc [function] [call site] 00230
3 nestegg_free_packet [function] [call site] 00231
3 ne_io_read [function] [call site] 00232
3 ne_free_frame [function] [call site] 00233
3 nestegg_free_packet [function] [call site] 00234
3 ne_alloc_frame_encryption [function] [call site] 00235
4 ne_alloc [function] [call site] 00236
3 ne_free_frame [function] [call site] 00237
3 nestegg_free_packet [function] [call site] 00238
3 ne_alloc [function] [call site] 00239
3 ne_free_frame [function] [call site] 00240
3 nestegg_free_packet [function] [call site] 00241
3 ne_io_read [function] [call site] 00242
3 ne_free_frame [function] [call site] 00243
3 nestegg_free_packet [function] [call site] 00244
3 ne_io_read [function] [call site] 00245
3 ne_free_frame [function] [call site] 00246
3 nestegg_free_packet [function] [call site] 00247
3 ne_alloc [function] [call site] 00248
3 ne_read_uint [function] [call site] 00249
3 ne_free_frame [function] [call site] 00250
3 nestegg_free_packet [function] [call site] 00251
3 ne_free_frame [function] [call site] 00252
3 nestegg_free_packet [function] [call site] 00253
3 ne_alloc [function] [call site] 00254
3 ne_free_frame [function] [call site] 00255
3 nestegg_free_packet [function] [call site] 00256
3 ne_io_read [function] [call site] 00257
3 ne_free_frame [function] [call site] 00258
3 nestegg_free_packet [function] [call site] 00259
2 ne_io_tell [function] [call site] 00260
2 ne_io_tell [function] [call site] 00261
2 ne_read_element [function] [call site] 00262
2 ne_free_block_additions [function] [call site] 00263
2 nestegg_free_packet [function] [call site] 00264
2 nestegg_free_packet [function] [call site] 00265
2 ne_read_block [function] [call site] 00266
2 ne_free_block_additions [function] [call site] 00267
2 nestegg_free_packet [function] [call site] 00268
2 ne_read_uint [function] [call site] 00269
2 ne_free_block_additions [function] [call site] 00270
2 nestegg_free_packet [function] [call site] 00271
2 ne_get_timecode_scale [function] [call site] 00272
2 ne_free_block_additions [function] [call site] 00273
2 nestegg_free_packet [function] [call site] 00274
2 ne_saturate_mul_uint64 [function] [call site] 00275
2 ne_read_int [function] [call site] 00276
2 ne_free_block_additions [function] [call site] 00277
2 nestegg_free_packet [function] [call site] 00278
2 ne_free_block_additions [function] [call site] 00279
2 nestegg_free_packet [function] [call site] 00280
2 ne_read_block_additions [function] [call site] 00281
3 __assert_fail [call site] 00282
3 ne_io_tell [function] [call site] 00283
3 ne_io_tell [function] [call site] 00284
3 ne_read_element [function] [call site] 00285
3 ne_io_read_skip [function] [call site] 00286
3 ne_io_tell [function] [call site] 00287
3 ne_io_tell [function] [call site] 00288
3 ne_read_element [function] [call site] 00289
3 ne_read_uint [function] [call site] 00290
3 ne_alloc [function] [call site] 00291
3 ne_io_read [function] [call site] 00292
3 ne_io_read_skip [function] [call site] 00293
3 ne_alloc [function] [call site] 00294
2 ne_free_block_additions [function] [call site] 00295
2 nestegg_free_packet [function] [call site] 00296
2 ne_read_int [function] [call site] 00297
2 ne_free_block_additions [function] [call site] 00298
2 nestegg_free_packet [function] [call site] 00299
2 ne_io_read_skip [function] [call site] 00300
2 ne_free_block_additions [function] [call site] 00301
2 nestegg_free_packet [function] [call site] 00302
2 __assert_fail [call site] 00303
2 ne_free_block_additions [function] [call site] 00304
2 ne_io_read_skip [function] [call site] 00305
1 __assert_fail [call site] 00306
1 nestegg_packet_track [function] [call site] 00307
1 nestegg_packet_has_keyframe [function] [call site] 00308
1 nestegg_packet_count [function] [call site] 00309
1 nestegg_packet_tstamp [function] [call site] 00310
1 nestegg_packet_duration [function] [call site] 00311
1 nestegg_packet_discard_padding [function] [call site] 00312
1 nestegg_packet_reference_block [function] [call site] 00313
1 nestegg_packet_additional_data [function] [call site] 00314
1 nestegg_packet_encryption [function] [call site] 00315
2 __assert_fail [call site] 00316
1 nestegg_packet_iv [function] [call site] 00317
2 __assert_fail [call site] 00318
1 nestegg_packet_offsets [function] [call site] 00319
2 __assert_fail [call site] 00320
1 nestegg_packet_data [function] [call site] 00321
1 nestegg_free_packet [function] [call site] 00322
1 nestegg_destroy [function] [call site] 00323