Fuzz introspector: fuzz_model
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
79 331 LLVMFuzzerTestOneInput call site: 00331 xnn_init_qs8_qc8w_gemm_config
26 174 transform_token call site: 00174 erase_matching
10 12 cpuinfo_linux_parse_small_file call site: 00012 cpuinfo_log_error
10 113 cpuinfo_x86_detect_cache call site: 00113 cpuinfo_x86_decode_cache_descriptor
5 81 cpuinfo_linux_parse_multiline_file call site: 00081 __errno_location
5 95 parse_line call site: 00095 cpuinfo_log_warning
5 167 transform_token call site: 00167 erase_matching
5 201 transform_token call site: 00201 is_model_number
4 51 parse_entry call site: 00051 parse_entry
4 134 cpuinfo_x86_detect_topology call site: 00134 bit_length
4 160 erase_matching call site: 00160 erase_matching
4 321 init_hardware_config call site: 00321 cpuinfo_log_fatal

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 xnn_initialize [function] [call site] 00001
2 xnn_init_hardware_config [function] [call site] 00002
3 cpuinfo_initialize [function] [call site] 00003
4 pthread_once [call site] 00004
4 cpuinfo_x86_linux_init [function] [call site] 00005
5 cpuinfo_linux_get_max_processors_count [function] [call site] 00006
6 cpuinfo_linux_parse_small_file [function] [call site] 00007
7 open [call site] 00008
7 __errno_location [call site] 00009
7 strerror [call site] 00010
7 cpuinfo_log_info [function] [call site] 00011
7 read [call site] 00012
7 __errno_location [call site] 00013
7 strerror [call site] 00014
7 cpuinfo_log_info [function] [call site] 00015
7 cpuinfo_log_error [function] [call site] 00016
8 cpuinfo_vlog_error [function] [call site] 00017
9 cpuinfo_vlog [function] [call site] 00018
10 __assert_fail [call site] 00019
10 vsnprintf [call site] 00020
10 vsnprintf [call site] 00021
10 write [call site] 00022
7 close [call site] 00023
6 uint32_parser [function] [call site] 00024
7 cpuinfo_log_error [function] [call site] 00025
7 parse_number [function] [call site] 00026
7 cpuinfo_log_error [function] [call site] 00027
7 is_whitespace [function] [call site] 00028
7 cpuinfo_log_warning [function] [call site] 00029
6 cpuinfo_log_debug [function] [call site] 00030
6 cpuinfo_log_warning [function] [call site] 00031
6 cpuinfo_log_warning [function] [call site] 00032
5 cpuinfo_log_debug [function] [call site] 00033
5 cpuinfo_linux_get_max_possible_processor [function] [call site] 00034
6 cpuinfo_linux_parse_cpulist [function] [call site] 00035
7 open [call site] 00036
7 __errno_location [call site] 00037
7 strerror [call site] 00038
7 cpuinfo_log_info [function] [call site] 00039
7 read [call site] 00040
7 __errno_location [call site] 00041
7 strerror [call site] 00042
7 cpuinfo_log_info [function] [call site] 00043
7 parse_entry [function] [call site] 00044
8 is_whitespace [function] [call site] 00045
8 is_whitespace [function] [call site] 00046
8 cpuinfo_log_warning [function] [call site] 00047
8 parse_number [function] [call site] 00048
8 cpuinfo_log_warning [function] [call site] 00049
8 cpuinfo_log_warning [function] [call site] 00050
8 parse_number [function] [call site] 00051
8 cpuinfo_log_warning [function] [call site] 00052
8 cpuinfo_log_warning [function] [call site] 00053
8 cpuinfo_log_warning [function] [call site] 00054
7 parse_entry [function] [call site] 00055
7 close [call site] 00056
6 max_processor_number_parser [function] [call site] 00057
6 cpuinfo_log_warning [function] [call site] 00058
6 cpuinfo_log_warning [function] [call site] 00059
5 cpuinfo_log_debug [function] [call site] 00060
5 cpuinfo_linux_get_max_present_processor [function] [call site] 00061
6 cpuinfo_linux_parse_cpulist [function] [call site] 00062
6 max_processor_number_parser [function] [call site] 00063
6 cpuinfo_log_warning [function] [call site] 00064
6 cpuinfo_log_warning [function] [call site] 00065
5 cpuinfo_log_debug [function] [call site] 00066
5 min [function] [call site] 00067
5 min [function] [call site] 00068
5 calloc [call site] 00069
5 cpuinfo_log_error [function] [call site] 00070
5 cpuinfo_linux_detect_possible_processors [function] [call site] 00071
6 cpuinfo_linux_parse_cpulist [function] [call site] 00072
6 detect_processor_parser [function] [call site] 00073
6 cpuinfo_log_warning [function] [call site] 00074
5 cpuinfo_linux_detect_present_processors [function] [call site] 00075
6 cpuinfo_linux_parse_cpulist [function] [call site] 00076
6 detect_processor_parser [function] [call site] 00077
6 cpuinfo_log_warning [function] [call site] 00078
5 cpuinfo_x86_linux_parse_proc_cpuinfo [function] [call site] 00079
6 cpuinfo_linux_parse_multiline_file [function] [call site] 00080
7 open [call site] 00081
7 __errno_location [call site] 00082
7 strerror [call site] 00083
7 cpuinfo_log_info [function] [call site] 00084
7 __errno_location [call site] 00085
7 strerror [call site] 00086
7 close [call site] 00087
6 parse_line [function] [call site] 00088
7 cpuinfo_log_debug [function] [call site] 00089
7 cpuinfo_log_debug [function] [call site] 00090
7 memcmp [call site] 00091
7 parse_apic_id [function] [call site] 00092
8 cpuinfo_log_warning [function] [call site] 00093
7 memcmp [call site] 00094
7 parse_processor_number [function] [call site] 00095
8 cpuinfo_log_warning [function] [call site] 00096
8 cpuinfo_log_warning [function] [call site] 00097
7 cpuinfo_log_warning [function] [call site] 00098
7 cpuinfo_log_warning [function] [call site] 00099
7 cpuinfo_log_warning [function] [call site] 00100
7 cpuinfo_log_debug [function] [call site] 00101
5 cpuinfo_log_error [function] [call site] 00102
5 bitmask_all [function] [call site] 00103
5 cpuinfo_x86_init_processor [function] [call site] 00104
6 cpuid [function] [call site] 00105
6 cpuinfo_x86_decode_vendor [function] [call site] 00106
6 cpuid [function] [call site] 00107
6 cpuid [function] [call site] 00108
6 cpuid [function] [call site] 00109
6 cpuinfo_x86_decode_model_info [function] [call site] 00110
6 cpuinfo_x86_decode_uarch [function] [call site] 00111
6 cpuinfo_x86_detect_cache [function] [call site] 00112
7 cpuid [function] [call site] 00113
7 cpuinfo_x86_decode_cache_descriptor [function] [call site] 00114
7 cpuid [function] [call site] 00115
7 cpuidex [function] [call site] 00116
7 cpuinfo_x86_decode_deterministic_cache_parameters [function] [call site] 00117
8 bit_length [function] [call site] 00118
8 cpuinfo_log_warning [function] [call site] 00119
8 cpuinfo_log_warning [function] [call site] 00120
8 cpuinfo_log_warning [function] [call site] 00121
8 cpuinfo_log_warning [function] [call site] 00122
7 bit_length [function] [call site] 00123
7 cpuidex [function] [call site] 00124
7 cpuinfo_x86_decode_cache_properties [function] [call site] 00125
8 bit_length [function] [call site] 00126
8 cpuinfo_log_warning [function] [call site] 00127
8 cpuinfo_log_warning [function] [call site] 00128
8 cpuinfo_log_warning [function] [call site] 00129
6 cpuinfo_x86_detect_topology [function] [call site] 00130
7 cpuid [function] [call site] 00131
7 cpuid [function] [call site] 00132
7 bit_length [function] [call site] 00133
7 cpuinfo_log_debug [function] [call site] 00134
7 bit_length [function] [call site] 00135
7 cpuinfo_log_debug [function] [call site] 00136
7 bit_length [function] [call site] 00137
7 cpuinfo_log_debug [function] [call site] 00138
7 cpuidex [function] [call site] 00139
7 cpuinfo_log_debug [function] [call site] 00140
7 cpuinfo_log_debug [function] [call site] 00141
7 cpuinfo_log_warning [function] [call site] 00142
7 cpuinfo_log_debug [function] [call site] 00143
6 cpuinfo_x86_detect_isa [function] [call site] 00144
7 cpuidex [function] [call site] 00145
7 cpuidex [function] [call site] 00146
7 cpuidex [function] [call site] 00147
7 cpuid [function] [call site] 00148
7 cpuidex [function] [call site] 00149
7 xgetbv [function] [call site] 00150
7 cpuid [function] [call site] 00151
7 cpuid [function] [call site] 00152
6 cpuinfo_log_debug [function] [call site] 00153
5 cpuinfo_x86_normalize_brand_string [function] [call site] 00154
6 transform_token [function] [call site] 00155
7 reset_context [function] [call site] 00156
7 is_digit [function] [call site] 00157
7 is_upper_letter [function] [call site] 00158
7 erase_matching [function] [call site] 00159
8 memcmp [call site] 00160
7 erase_matching [function] [call site] 00161
7 is_upper_letter [function] [call site] 00162
7 erase_matching [function] [call site] 00163
7 is_digit [function] [call site] 00164
7 erase_matching [function] [call site] 00165
7 erase_matching [function] [call site] 00166
7 erase_matching [function] [call site] 00167
7 erase_matching [function] [call site] 00168
7 erase_matching [function] [call site] 00169
7 erase_matching [function] [call site] 00170
7 erase_matching [function] [call site] 00171
7 memcmp [call site] 00172
7 memcmp [call site] 00173
7 memcmp [call site] 00174
7 memcmp [call site] 00175
7 erase_matching [function] [call site] 00176
7 erase_matching [function] [call site] 00177
7 memcmp [call site] 00178
7 memcmp [call site] 00179
7 erase_matching [function] [call site] 00180
7 erase_matching [function] [call site] 00181
7 erase_matching [function] [call site] 00182
7 erase_matching [function] [call site] 00183
7 memcmp [call site] 00184
7 erase_matching [function] [call site] 00185
7 erase_matching [function] [call site] 00186
7 erase_matching [function] [call site] 00187
7 memcmp [call site] 00188
7 memcmp [call site] 00189
7 memcmp [call site] 00190
7 erase_matching [function] [call site] 00191
7 erase_matching [function] [call site] 00192
7 erase_matching [function] [call site] 00193
7 erase_matching [function] [call site] 00194
7 erase_matching [function] [call site] 00195
7 erase_matching [function] [call site] 00196
7 erase_matching [function] [call site] 00197
7 erase_matching [function] [call site] 00198
7 erase_matching [function] [call site] 00199
7 memcmp [call site] 00200
7 is_zero_number [function] [call site] 00201
7 is_number [function] [call site] 00202
8 is_digit [function] [call site] 00203
7 move_token [function] [call site] 00204
7 is_model_number [function] [call site] 00205
8 is_digit [function] [call site] 00206
7 is_frequency [function] [call site] 00207
6 transform_token [function] [call site] 00208
6 is_space [function] [call site] 00209
6 move_token [function] [call site] 00210
6 move_token [function] [call site] 00211
5 bitmask_all [function] [call site] 00212
5 qsort [call site] 00213
5 cmp_x86_linux_processor [function] [call site] 00214
6 bitmask_all [function] [call site] 00215
6 bitmask_all [function] [call site] 00216
6 cmp [function] [call site] 00217
5 calloc [call site] 00218
5 cpuinfo_log_error [function] [call site] 00219
5 cpuinfo_x86_count_objects [function] [call site] 00220
6 bit_mask [function] [call site] 00221
6 bit_mask [function] [call site] 00222
6 bit_mask [function] [call site] 00223
6 bitmask_all [function] [call site] 00224
6 cpuinfo_log_debug [function] [call site] 00225
6 bit_mask [function] [call site] 00226
6 bit_mask [function] [call site] 00227
6 bit_mask [function] [call site] 00228
6 bit_mask [function] [call site] 00229
6 bit_mask [function] [call site] 00230
5 cpuinfo_log_debug [function] [call site] 00231
5 cpuinfo_log_debug [function] [call site] 00232
5 cpuinfo_log_debug [function] [call site] 00233
5 cpuinfo_log_debug [function] [call site] 00234
5 cpuinfo_log_debug [function] [call site] 00235
5 cpuinfo_log_debug [function] [call site] 00236
5 cpuinfo_log_debug [function] [call site] 00237
5 cpuinfo_log_debug [function] [call site] 00238
5 calloc [call site] 00239
5 cpuinfo_log_error [function] [call site] 00240
5 calloc [call site] 00241
5 cpuinfo_log_error [function] [call site] 00242
5 calloc [call site] 00243
5 cpuinfo_log_error [function] [call site] 00244
5 calloc [call site] 00245
5 cpuinfo_log_error [function] [call site] 00246
5 calloc [call site] 00247
5 cpuinfo_log_error [function] [call site] 00248
5 calloc [call site] 00249
5 cpuinfo_log_error [function] [call site] 00250
5 calloc [call site] 00251
5 cpuinfo_log_error [function] [call site] 00252
5 calloc [call site] 00253
5 cpuinfo_log_error [function] [call site] 00254
5 calloc [call site] 00255
5 cpuinfo_log_error [function] [call site] 00256
5 calloc [call site] 00257
5 cpuinfo_log_error [function] [call site] 00258
5 bit_mask [function] [call site] 00259
5 bit_mask [function] [call site] 00260
5 bit_mask [function] [call site] 00261
5 bitmask_all [function] [call site] 00262
5 cpuinfo_x86_format_package_name [function] [call site] 00263
6 strncpy [call site] 00264
6 snprintf [call site] 00265
6 strlen [call site] 00266
5 bit_mask [function] [call site] 00267
5 bit_mask [function] [call site] 00268
5 bit_mask [function] [call site] 00269
5 bit_mask [function] [call site] 00270
5 bit_mask [function] [call site] 00271
5 cpuinfo_compute_max_cache_size [function] [call site] 00272
3 pthread_once [call site] 00273
3 init_hardware_config [function] [call site] 00274
4 cpuinfo_has_x86_avx512f [function] [call site] 00275
4 cpuinfo_has_x86_avx512bw [function] [call site] 00276
4 cpuinfo_has_x86_avx512dq [function] [call site] 00277
4 cpuinfo_has_x86_avx512vl [function] [call site] 00278
4 cpuinfo_has_x86_avx512vnni [function] [call site] 00279
4 cpuinfo_has_x86_gfni [function] [call site] 00280
4 cpuinfo_has_x86_amx_int8 [function] [call site] 00281
4 cpuinfo_has_x86_avx2 [function] [call site] 00282
4 cpuinfo_has_x86_avx512dq [function] [call site] 00283
4 cpuinfo_has_x86_avx512vl [function] [call site] 00284
4 cpuinfo_has_x86_avx512vnni [function] [call site] 00285
4 cpuinfo_has_x86_ssse3 [function] [call site] 00286
4 set_arch_flag [function] [call site] 00287
4 cpuinfo_has_x86_sse4_1 [function] [call site] 00288
4 set_arch_flag [function] [call site] 00289
4 cpuinfo_has_x86_avx [function] [call site] 00290
4 set_arch_flag [function] [call site] 00291
4 cpuinfo_has_x86_f16c [function] [call site] 00292
4 set_arch_flag [function] [call site] 00293
4 cpuinfo_has_x86_fma3 [function] [call site] 00294
4 set_arch_flag [function] [call site] 00295
4 set_arch_flag [function] [call site] 00296
4 set_arch_flag [function] [call site] 00297
4 set_arch_flag [function] [call site] 00298
4 cpuinfo_has_x86_avx512vbmi [function] [call site] 00299
4 set_arch_flag [function] [call site] 00300
4 set_arch_flag [function] [call site] 00301
4 set_arch_flag [function] [call site] 00302
4 cpuinfo_has_x86_avx512fp16 [function] [call site] 00303
4 set_arch_flag [function] [call site] 00304
4 cpuinfo_has_x86_avx512bf16 [function] [call site] 00305
4 set_arch_flag [function] [call site] 00306
4 set_arch_flag [function] [call site] 00307
4 cpuinfo_has_x86_avxvnni [function] [call site] 00308
4 cpuinfo_has_x86_gfni [function] [call site] 00309
4 set_arch_flag [function] [call site] 00310
4 cpuinfo_has_x86_avx_vnni_int8 [function] [call site] 00311
4 cpuinfo_has_x86_gfni [function] [call site] 00312
4 set_arch_flag [function] [call site] 00313
4 set_arch_flag [function] [call site] 00314
4 set_arch_flag [function] [call site] 00315
4 cpuinfo_has_x86_gfni [function] [call site] 00316
4 set_arch_flag [function] [call site] 00317
4 xnn_syscall [function] [call site] 00318
4 set_arch_flag [function] [call site] 00319
4 cpuinfo_initialize [function] [call site] 00320
4 cpuinfo_get_processor [function] [call site] 00321
5 cpuinfo_log_fatal [function] [call site] 00322
6 cpuinfo_vlog_fatal [function] [call site] 00323
7 cpuinfo_vlog [function] [call site] 00324
6 abort [call site] 00325
4 cpuinfo_get_uarch [function] [call site] 00326
5 cpuinfo_log_fatal [function] [call site] 00327
4 cpuinfo_to_xnn_uarch [function] [call site] 00328
2 pthread_once [call site] 00329
2 init_allocator_config [function] [call site] 00330
1 xnn_create_convolution2d_nhwc_qs8 [function] [call site] 00331
2 xnn_allocate_simd_memory [function] [call site] 00332
2 xnn_init_qs8_qc8w_gemm_config [function] [call site] 00333
3 xnn_init_hardware_config [function] [call site] 00334
3 pthread_once [call site] 00335
3 init_qs8_qc8w_gemm_config [function] [call site] 00336
4 xnn_init_hardware_config [function] [call site] 00337
4 __assert_fail [call site] 00338
2 __assert_fail [call site] 00339
2 xnn_init_qs8_qc8w_dwconv_config [function] [call site] 00340
3 xnn_init_hardware_config [function] [call site] 00341
3 pthread_once [call site] 00342
3 init_qs8_qc8w_dwconv_config [function] [call site] 00343
4 xnn_init_hardware_config [function] [call site] 00344
4 __assert_fail [call site] 00345
2 __assert_fail [call site] 00346
2 find_dwconv_ukernel [function] [call site] 00347
2 create_convolution2d_nhwc [function] [call site] 00348
3 xnn_allocate_zero_simd_memory [function] [call site] 00349
3 xnn_allocate_zero_memory [function] [call site] 00350
3 xnn_allocate_zero_memory [function] [call site] 00351
3 xnn_allocate_zero_simd_memory [function] [call site] 00352
3 xnn_allocate_zero_simd_memory [function] [call site] 00353
3 xnn_allocate_zero_simd_memory [function] [call site] 00354
3 create_vmulcaddc_path [function] [call site] 00355
4 __assert_fail [call site] 00356
4 __assert_fail [call site] 00357
4 __assert_fail [call site] 00358
4 xnn_get_pointer_to_write_weights [function] [call site] 00359
5 __assert_fail [call site] 00360
5 use_weights_cache [function] [call site] 00361
5 xnn_allocate_simd_memory [function] [call site] 00362
4 use_weights_cache [function] [call site] 00363
4 xnn_look_up_or_insert_weights_cache [function] [call site] 00364
3 create_dwconv_path [function] [call site] 00365
4 __assert_fail [call site] 00366
4 __assert_fail [call site] 00367
4 xnn_get_pointer_to_write_weights [function] [call site] 00368
4 __assert_fail [call site] 00369
4 use_weights_cache [function] [call site] 00370
4 xnn_look_up_or_insert_weights_cache [function] [call site] 00371
3 create_igemm [function] [call site] 00372
4 use_weights_cache [function] [call site] 00373
4 xnn_weights_cache_look_up [function] [call site] 00374
4 use_weights_cache [function] [call site] 00375
4 xnn_get_pointer_to_write_weights [function] [call site] 00376
4 __assert_fail [call site] 00377
4 __assert_fail [call site] 00378
4 __assert_fail [call site] 00379
4 use_weights_cache [function] [call site] 00380
4 xnn_look_up_or_insert_weights_cache [function] [call site] 00381
3 xnn_allocate_simd_memory [function] [call site] 00382
3 xnn_delete_operator [function] [call site] 00383
4 xnn_destroy_operator [function] [call site] 00384
5 xnn_release_memory [function] [call site] 00385
5 xnn_release_memory [function] [call site] 00386
5 xnn_release_simd_memory [function] [call site] 00387
5 xnn_release_memory [function] [call site] 00388
5 xnn_release_memory [function] [call site] 00389
5 xnn_release_memory [function] [call site] 00390
5 xnn_release_simd_memory [function] [call site] 00391
5 xnn_release_simd_memory [function] [call site] 00392
5 xnn_release_simd_memory [function] [call site] 00393
5 xnn_release_simd_memory [function] [call site] 00394
5 xnn_release_simd_memory [function] [call site] 00395
5 xnn_release_memory [function] [call site] 00396
5 xnn_release_memory [function] [call site] 00397
4 xnn_release_simd_memory [function] [call site] 00398
2 xnn_pack_qs8_dwconv_hwg_w [function] [call site] 00399
3 __assert_fail [call site] 00400
3 __assert_fail [call site] 00401
3 void copy_bias<int, unaligned_int32_t>(int const*, unsigned long, unsigned long, unaligned_int32_t*) [function] [call site] 00402
3 advance_x_y(unsigned long, unsigned long*, unsigned long*) [function] [call site] 00403
2 xnn_pack_qs8_dwconv_ghw_w [function] [call site] 00404
3 __assert_fail [call site] 00405
3 __assert_fail [call site] 00406
3 void copy_bias<int, unaligned_int32_t>(int const*, unsigned long, unsigned long, unaligned_int32_t*) [function] [call site] 00407
3 advance_x_y(unsigned long, unsigned long*, unsigned long*) [function] [call site] 00408
2 xnn_init_qs8_qc8w_scale_fp32_params [function] [call site] 00409
2 xnn_release_simd_memory [function] [call site] 00410
1 xnn_deinitialize [function] [call site] 00411