Fuzz introspector: fuzz-accept-sec-context
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
508 0 EP call site: 00000 gssntlm_accept_sec_context

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 gssntlm_accept_sec_context [function] [call site] 00001
2 debug_gss_errors [function] [call site] 00002
3 gssntlm_debug_init [function] [call site] 00003
4 pthread_mutex_lock [call site] 00004
4 secure_getenv [call site] 00005
4 open64 [call site] 00006
4 pthread_mutex_unlock [call site] 00007
3 time [call site] 00008
3 gssntlm_debug_printf [function] [call site] 00009
4 vdprintf [call site] 00010
4 fdatasync [call site] 00011
2 gssntlmssp_ret_err [function] [call site] 00012
2 debug_gss_errors [function] [call site] 00013
2 gssntlmssp_ret_err [function] [call site] 00014
2 debug_gss_errors [function] [call site] 00015
2 debug_gss_errors [function] [call site] 00016
2 gssntlm_duplicate_name [function] [call site] 00017
3 debug_gss_errors [function] [call site] 00018
3 gssntlmssp_ret_err [function] [call site] 00019
3 debug_gss_errors [function] [call site] 00020
3 gssntlmssp_ret_err [function] [call site] 00021
3 calloc [call site] 00022
3 gssntlm_copy_name [function] [call site] 00023
4 strdup [call site] 00024
4 strdup [call site] 00025
4 strdup [call site] 00026
4 strdup [call site] 00027
4 gssntlm_copy_attrs [function] [call site] 00028
5 gssntlm_get_attrs_count [function] [call site] 00029
5 calloc [call site] 00030
5 strdup [call site] 00031
5 gssntlm_release_attrs [function] [call site] 00032
5 gssntlm_release_attrs [function] [call site] 00033
3 debug_gss_errors [function] [call site] 00034
3 debug_gss_errors [function] [call site] 00035
3 gssntlmssp_ret_err [function] [call site] 00036
2 calloc [call site] 00037
2 debug_gss_errors [function] [call site] 00038
2 external_get_context [function] [call site] 00039
2 gssntlm_import_name_by_mech [function] [call site] 00040
3 debug_gss_errors [function] [call site] 00041
3 gssntlmssp_ret_err [function] [call site] 00042
3 calloc [call site] 00043
3 debug_gss_errors [function] [call site] 00044
3 gss_oid_equal [call site] 00045
3 gss_oid_equal [call site] 00046
3 strndup [call site] 00047
3 debug_gss_errors [function] [call site] 00048
3 strchr [call site] 00049
3 strdup [call site] 00050
3 debug_gss_errors [function] [call site] 00051
3 gethostname [call site] 00052
3 debug_gss_errors [function] [call site] 00053
3 strlen [call site] 00054
3 debug_gss_errors [function] [call site] 00055
3 snprintf [call site] 00056
3 debug_gss_errors [function] [call site] 00057
3 strdup [call site] 00058
3 debug_gss_errors [function] [call site] 00059
3 debug_gss_errors [function] [call site] 00060
3 gss_oid_equal [call site] 00061
3 parse_user_name [function] [call site] 00062
4 debug_gss_errors [function] [call site] 00063
4 gssntlmssp_ret_err [function] [call site] 00064
4 memchr [call site] 00065
4 memchr [call site] 00066
4 debug_gss_errors [function] [call site] 00067
4 strdup [call site] 00068
4 debug_gss_errors [function] [call site] 00069
4 strchr [call site] 00070
4 debug_gss_errors [function] [call site] 00071
4 strdup [call site] 00072
4 debug_gss_errors [function] [call site] 00073
4 strdup [call site] 00074
4 debug_gss_errors [function] [call site] 00075
4 debug_gss_errors [function] [call site] 00076
4 string_split [function] [call site] 00077
5 memchr [call site] 00078
5 debug_gss_errors [function] [call site] 00079
5 gssntlmssp_ret_err [function] [call site] 00080
5 strndup [call site] 00081
5 debug_gss_errors [function] [call site] 00082
5 strndup [call site] 00083
5 debug_gss_errors [function] [call site] 00084
5 debug_gss_errors [function] [call site] 00085
5 gssntlmssp_ret_err [function] [call site] 00086
4 string_split [function] [call site] 00087
4 strndup [call site] 00088
4 debug_gss_errors [function] [call site] 00089
4 debug_gss_errors [function] [call site] 00090
4 gssntlmssp_ret_err [function] [call site] 00091
3 gss_oid_equal [call site] 00092
3 uid_to_name [function] [call site] 00093
4 getpwuid [call site] 00094
4 debug_gss_errors [function] [call site] 00095
4 gssntlmssp_ret_err [function] [call site] 00096
4 strdup [call site] 00097
4 debug_gss_errors [function] [call site] 00098
4 debug_gss_errors [function] [call site] 00099
4 gssntlmssp_ret_err [function] [call site] 00100
3 gss_oid_equal [call site] 00101
3 debug_gss_errors [function] [call site] 00102
3 __errno_location [call site] 00103
3 strtol [call site] 00104
3 __errno_location [call site] 00105
3 debug_gss_errors [function] [call site] 00106
3 uid_to_name [function] [call site] 00107
3 gss_oid_equal [call site] 00108
3 debug_gss_errors [function] [call site] 00109
3 gss_oid_equal [call site] 00110
3 debug_gss_errors [function] [call site] 00111
3 debug_gss_errors [function] [call site] 00112
3 gssntlm_release_name [function] [call site] 00113
4 debug_gss_errors [function] [call site] 00114
4 gssntlmssp_ret_err [function] [call site] 00115
4 gssntlm_int_release_name [function] [call site] 00116
5 gssntlm_release_attrs [function] [call site] 00117
4 debug_gss_errors [function] [call site] 00118
4 gssntlmssp_ret_err [function] [call site] 00119
3 gssntlmssp_ret_err [function] [call site] 00120
2 gssntlm_copy_name [function] [call site] 00121
2 debug_gss_errors [function] [call site] 00122
2 netbios_get_names [function] [call site] 00123
3 getenv [call site] 00124
3 strdup [call site] 00125
3 getenv [call site] 00126
3 strdup [call site] 00127
3 external_netbios_get_names [function] [call site] 00128
3 strchr [call site] 00129
3 strndup [call site] 00130
3 strdup [call site] 00131
3 toupper [call site] 00132
3 strdup [call site] 00133
2 debug_gss_errors [function] [call site] 00134
2 strdup [call site] 00135
2 gssntlm_set_role [function] [call site] 00136
3 strcmp [call site] 00137
2 gssntlm_get_lm_compatibility_level [function] [call site] 00138
3 getenv [call site] 00139
3 atoi [call site] 00140
2 gssntlm_required_security [function] [call site] 00141
2 debug_gss_errors [function] [call site] 00142
2 gssntlm_sec_lm_ok [function] [call site] 00143
2 gssntlm_ext_sec_ok [function] [call site] 00144
2 ntlm_init_ctx [function] [call site] 00145
3 calloc [call site] 00146
3 iconv_open [call site] 00147
3 __errno_location [call site] 00148
3 iconv_open [call site] 00149
3 iconv_close [call site] 00150
3 __errno_location [call site] 00151
2 debug_gss_errors [function] [call site] 00152
2 debug_gss_errors [function] [call site] 00153
2 ntlm_decode_msg_type [function] [call site] 00154
3 ntlm_decode_header [function] [call site] 00155
4 memcmp [call site] 00156
4 __uint32_identity [function] [call site] 00157
2 debug_gss_errors [function] [call site] 00158
2 ntlm_decode_neg_msg [function] [call site] 00159
3 __uint32_identity [function] [call site] 00160
3 ntlm_decode_oem_str [function] [call site] 00161
4 __uint16_identity [function] [call site] 00162
4 __uint32_identity [function] [call site] 00163
4 strndup [call site] 00164
3 ntlm_decode_oem_str [function] [call site] 00165
2 debug_gss_errors [function] [call site] 00166
2 debug_gss_errors [function] [call site] 00167
2 RAND_BUFFER [function] [call site] 00168
3 RAND_bytes [call site] 00169
2 debug_gss_errors [function] [call site] 00170
2 ntlm_timestamp_now [function] [call site] 00171
3 gettimeofday [call site] 00172
2 ntlm_encode_target_info [function] [call site] 00173
3 strlen [call site] 00174
3 strlen [call site] 00175
3 strlen [call site] 00176
3 strlen [call site] 00177
3 strlen [call site] 00178
3 strlen [call site] 00179
3 calloc [call site] 00180
3 ntlm_encode_av_pair_u16l_str [function] [call site] 00181
4 ntlm_str_convert [function] [call site] 00182
5 iconv [call site] 00183
5 __errno_location [call site] 00184
5 iconv [call site] 00185
5 __errno_location [call site] 00186
4 __uint16_identity [function] [call site] 00187
4 __uint16_identity [function] [call site] 00188
3 ntlm_encode_av_pair_u16l_str [function] [call site] 00189
3 ntlm_encode_av_pair_u16l_str [function] [call site] 00190
3 ntlm_encode_av_pair_u16l_str [function] [call site] 00191
3 ntlm_encode_av_pair_u16l_str [function] [call site] 00192
3 __uint32_identity [function] [call site] 00193
3 ntlm_encode_av_pair_value [function] [call site] 00194
4 __uint16_identity [function] [call site] 00195
4 __uint16_identity [function] [call site] 00196
3 __uint64_identity [function] [call site] 00197
3 ntlm_encode_av_pair_value [function] [call site] 00198
3 ntlm_encode_av_pair_value [function] [call site] 00199
3 ntlm_encode_av_pair_u16l_str [function] [call site] 00200
3 ntlm_encode_av_pair_value [function] [call site] 00201
3 ntlm_encode_av_pair_value [function] [call site] 00202
2 debug_gss_errors [function] [call site] 00203
2 gssntlm_role_is_domain_member [function] [call site] 00204
2 ntlm_encode_chal_msg [function] [call site] 00205
3 strlen [call site] 00206
3 calloc [call site] 00207
3 ntlm_encode_header [function] [call site] 00208
4 __uint32_identity [function] [call site] 00209
3 ntlm_encode_version [function] [call site] 00210
3 ntlm_encode_u16l_str_hdr [function] [call site] 00211
4 ntlm_str_convert [function] [call site] 00212
4 __uint16_identity [function] [call site] 00213
4 __uint16_identity [function] [call site] 00214
4 __uint32_identity [function] [call site] 00215
3 ntlm_encode_oem_str [function] [call site] 00216
4 __uint16_identity [function] [call site] 00217
4 __uint16_identity [function] [call site] 00218
4 __uint32_identity [function] [call site] 00219
3 __uint32_identity [function] [call site] 00220
3 ntlm_encode_field [function] [call site] 00221
4 __uint16_identity [function] [call site] 00222
4 __uint32_identity [function] [call site] 00223
2 debug_gss_errors [function] [call site] 00224
2 debug_gss_errors [function] [call site] 00225
2 gssntlm_role_is_server [function] [call site] 00226
2 debug_gss_errors [function] [call site] 00227
2 debug_gss_errors [function] [call site] 00228
2 debug_gss_errors [function] [call site] 00229
2 ntlm_decode_msg_type [function] [call site] 00230
2 debug_gss_errors [function] [call site] 00231
2 debug_gss_errors [function] [call site] 00232
2 ntlm_decode_auth_msg [function] [call site] 00233
3 __uint32_identity [function] [call site] 00234
3 memcmp [call site] 00235
3 ntlm_decode_field [function] [call site] 00236
4 __uint16_identity [function] [call site] 00237
4 __uint32_identity [function] [call site] 00238
3 ntlm_decode_field [function] [call site] 00239
3 ntlm_decode_u16l_str_hdr [function] [call site] 00240
4 __uint16_identity [function] [call site] 00241
4 __uint32_identity [function] [call site] 00242
4 ntlm_str_convert [function] [call site] 00243
3 ntlm_decode_oem_str [function] [call site] 00244
3 ntlm_decode_u16l_str_hdr [function] [call site] 00245
3 ntlm_decode_oem_str [function] [call site] 00246
3 ntlm_decode_u16l_str_hdr [function] [call site] 00247
3 ntlm_decode_oem_str [function] [call site] 00248
3 ntlm_decode_field [function] [call site] 00249
2 debug_gss_errors [function] [call site] 00250
2 ntlm_decode_target_info [function] [call site] 00251
3 __uint16_identity [function] [call site] 00252
3 __uint16_identity [function] [call site] 00253
3 ntlm_decode_av_pair_u16l_str [function] [call site] 00254
4 __uint16_identity [function] [call site] 00255
4 ntlm_str_convert [function] [call site] 00256
3 __uint64_identity [function] [call site] 00257
3 __uint32_identity [function] [call site] 00258
3 ntlm_decode_av_pair_u16l_str [function] [call site] 00259
3 ntlm_decode_av_pair_u16l_str [function] [call site] 00260
3 ntlm_decode_av_pair_u16l_str [function] [call site] 00261
3 ntlm_decode_av_pair_u16l_str [function] [call site] 00262
3 ntlm_decode_av_pair_u16l_str [function] [call site] 00263
2 debug_gss_errors [function] [call site] 00264
2 debug_gss_errors [function] [call site] 00265
2 debug_gss_errors [function] [call site] 00266
2 debug_gss_errors [function] [call site] 00267
2 strdup [call site] 00268
2 debug_gss_errors [function] [call site] 00269
2 strlen [call site] 00270
2 strlen [call site] 00271
2 debug_gss_errors [function] [call site] 00272
2 gssntlm_import_name [function] [call site] 00273
3 gssntlm_import_name_by_mech [function] [call site] 00274
2 gssntlm_acquire_cred_from [function] [call site] 00275
3 calloc [call site] 00276
3 __errno_location [call site] 00277
3 debug_gss_errors [function] [call site] 00278
3 gssntlmssp_ret_err [function] [call site] 00279
3 debug_gss_errors [function] [call site] 00280
3 debug_gss_errors [function] [call site] 00281
3 get_creds_from_store [function] [call site] 00282
4 gssntlm_copy_name [function] [call site] 00283
4 strcmp [call site] 00284
4 strdup [call site] 00285
4 __errno_location [call site] 00286
4 gssntlm_copy_name [function] [call site] 00287
4 strcmp [call site] 00288
4 strdup [call site] 00289
4 strcmp [call site] 00290
4 hex_to_key [function] [call site] 00291
5 strlen [call site] 00292
4 strcmp [call site] 00293
4 strcmp [call site] 00294
4 NTOWFv1 [function] [call site] 00295
5 strlen [call site] 00296
5 u8_conv_to_encoding [call site] 00297
5 MD4_HASH [function] [call site] 00298
6 EVP_md4 [call site] 00299
6 mdx_hash [function] [call site] 00300
7 EVP_MD_CTX_new [call site] 00301
7 EVP_MD_CTX_reset [call site] 00302
7 EVP_DigestInit_ex [call site] 00303
7 EVP_DigestUpdate [call site] 00304
7 EVP_DigestFinal_ex [call site] 00305
7 EVP_MD_CTX_free [call site] 00306
4 gssntlm_get_lm_compatibility_level [function] [call site] 00307
4 LMOWFv1 [function] [call site] 00308
5 strlen [call site] 00309
5 u8_toupper [call site] 00310
5 WEAK_DES [function] [call site] 00311
6 DES_set_key_unchecked [call site] 00312
6 DES_ecb_encrypt [call site] 00313
4 strcmp [call site] 00315
4 get_user_file_creds [function] [call site] 00316
5 calloc [call site] 00317
5 gssntlm_get_lm_compatibility_level [function] [call site] 00318
5 gssntlm_required_security [function] [call site] 00319
5 fopen64 [call site] 00320
5 __errno_location [call site] 00321
5 fgets [call site] 00322
5 strchr [call site] 00323
5 strchr [call site] 00324
5 strchr [call site] 00325
5 strsep [call site] 00326
5 strchr [call site] 00327
5 strchr [call site] 00328
5 ntlm_casecmp [function] [call site] 00329
6 strlen [call site] 00330
6 strlen [call site] 00331
6 uc_locale_language [call site] 00332
6 ulc_casecmp [call site] 00333
5 ntlm_casecmp [function] [call site] 00334
5 fclose [call site] 00335
5 strdup [call site] 00336
5 strdup [call site] 00337
5 gssntlm_sec_lm_ok [function] [call site] 00339
5 hex_to_key [function] [call site] 00341
5 gssntlm_sec_lm_ok [function] [call site] 00342
5 hex_to_key [function] [call site] 00343
3 get_user_file_envvar [function] [call site] 00344
4 getenv [call site] 00345
4 strdup [call site] 00346
3 get_user_file_creds [function] [call site] 00347
3 external_get_creds [function] [call site] 00348
4 external_get_context [function] [call site] 00349
4 external_free_context [function] [call site] 00350
3 debug_gss_errors [function] [call site] 00351
3 debug_gss_errors [function] [call site] 00352
3 get_creds_from_store [function] [call site] 00353
3 get_server_creds [function] [call site] 00354
4 gssntlm_import_name_by_mech [function] [call site] 00355
4 gssntlm_copy_name [function] [call site] 00356
4 gssntlm_int_release_name [function] [call site] 00357
3 debug_gss_errors [function] [call site] 00358
3 debug_gss_errors [function] [call site] 00359
3 debug_gss_errors [function] [call site] 00360
3 debug_gss_errors [function] [call site] 00361
3 gssntlm_release_cred [function] [call site] 00362
4 gssntlm_int_release_cred [function] [call site] 00363
5 gssntlm_int_release_name [function] [call site] 00364
5 gssntlm_int_release_name [function] [call site] 00365
5 gssntlm_int_release_name [function] [call site] 00366
3 gssntlmssp_ret_err [function] [call site] 00367
2 debug_gss_errors [function] [call site] 00368
2 gssntlm_copy_name [function] [call site] 00369
2 debug_gss_errors [function] [call site] 00370
2 gssntlm_srv_auth [function] [call site] 00371
3 debug_gss_errors [function] [call site] 00372
3 gssntlmssp_ret_err [function] [call site] 00373
3 is_ntlm_v1 [function] [call site] 00374
3 gssntlm_sec_lm_ok [function] [call site] 00375
3 gssntlm_sec_ntlm_ok [function] [call site] 00376
3 debug_gss_errors [function] [call site] 00377
3 gssntlmssp_ret_err [function] [call site] 00378
3 ntlm_verify_nt_response [function] [call site] 00379
4 ntlm_compute_nt_response [function] [call site] 00380
5 ntlm_compute_ext_sec_challenge [function] [call site] 00381
6 MD5_HASH [function] [call site] 00382
7 EVP_md5 [call site] 00383
4 memcmp [call site] 00389
3 gssntlm_sec_lm_ok [function] [call site] 00390
3 ntlm_verify_lm_response [function] [call site] 00391
4 ntlm_compute_lm_response [function] [call site] 00392
4 memcmp [call site] 00394
3 NTOWFv2 [function] [call site] 00395
4 strlen [call site] 00396
4 u8_toupper [call site] 00397
4 strlen [call site] 00398
4 u8_conv_to_encoding [call site] 00399
4 HMAC_MD5 [function] [call site] 00400
5 HMAC_MD5_IOV [function] [call site] 00401
6 EVP_PKEY_new_mac_key [call site] 00402
6 EVP_MD_CTX_new [call site] 00403
6 EVP_md5 [call site] 00404
6 EVP_DigestSignInit [call site] 00405
6 EVP_DigestUpdate [call site] 00406
6 EVP_DigestSignFinal [call site] 00407
6 EVP_MD_CTX_free [call site] 00408
6 EVP_PKEY_free [call site] 00409
3 debug_gss_errors [function] [call site] 00410
3 ntlmv2_verify_nt_response [function] [call site] 00411
4 memcmp [call site] 00413
3 gssntlm_sec_lm_ok [function] [call site] 00414
3 ntlmv2_verify_lm_response [function] [call site] 00415
4 memcmp [call site] 00417
3 debug_gss_errors [function] [call site] 00418
3 ntlm_session_base_key [function] [call site] 00419
3 debug_gss_errors [function] [call site] 00421
3 ntlmv2_session_base_key [function] [call site] 00422
3 debug_gss_errors [function] [call site] 00424
3 external_srv_auth [function] [call site] 00425
3 debug_gss_errors [function] [call site] 00426
3 debug_gss_errors [function] [call site] 00427
3 debug_gss_errors [function] [call site] 00432
3 debug_gss_errors [function] [call site] 00433
3 gssntlmssp_ret_err [function] [call site] 00434
2 ntlm_encrypted_session_key [function] [call site] 00435
3 RC4K [function] [call site] 00436
4 RC4_INIT [function] [call site] 00437
5 RC4_set_key [call site] 00438
4 RC4_UPDATE [function] [call site] 00439
5 RC4 [call site] 00440
2 debug_gss_errors [function] [call site] 00442
2 ntlm_verify_mic [function] [call site] 00443
3 __uint32_identity [function] [call site] 00444
3 memcmp [call site] 00445
3 ntlm_mic [function] [call site] 00446
4 HMAC_MD5_IOV [function] [call site] 00447
3 memcmp [call site] 00448
2 debug_gss_errors [function] [call site] 00449
2 debug_gss_errors [function] [call site] 00450
2 debug_gss_errors [function] [call site] 00451
2 memcmp [call site] 00452
2 ntlm_verify_channel_bindings [function] [call site] 00453
3 ntlm_hash_channel_bindings [function] [call site] 00454
4 __uint32_identity [function] [call site] 00455
3 memcmp [call site] 00457
2 debug_gss_errors [function] [call site] 00458
2 ntlm_signseal_keys [function] [call site] 00459
3 ext_sec_keys [function] [call site] 00460
4 ntlm_signkey [function] [call site] 00461
5 ntlm_key_derivation_function [function] [call site] 00462
6 strlen [call site] 00463
4 ntlm_signkey [function] [call site] 00465
4 ntlm_sealkey [function] [call site] 00466
5 ntlm_key_derivation_function [function] [call site] 00467
4 ntlm_sealkey [function] [call site] 00468
3 no_ext_sec_handle [function] [call site] 00471
4 no_ext_sec_sealkey [function] [call site] 00472
2 debug_gss_errors [function] [call site] 00474
2 gssntlm_duplicate_name [function] [call site] 00475
2 time [call site] 00476
2 debug_gss_errors [function] [call site] 00477
2 gssntlm_delete_sec_context [function] [call site] 00478
3 debug_gss_errors [function] [call site] 00479
3 debug_gss_errors [function] [call site] 00480
3 ntlm_free_ctx [function] [call site] 00481
4 iconv_close [call site] 00482
4 iconv_close [call site] 00483
4 __errno_location [call site] 00484
3 gssntlm_int_release_name [function] [call site] 00485
3 gssntlm_int_release_name [function] [call site] 00486
3 ntlm_release_rc4_state [function] [call site] 00487
3 external_free_context [function] [call site] 00490
3 debug_gss_errors [function] [call site] 00491
3 gssntlmssp_ret_err [function] [call site] 00492
2 gssntlm_release_name [function] [call site] 00493
2 gssntlm_release_name [function] [call site] 00494
2 gssntlm_release_cred [function] [call site] 00495
2 ntlm_free_buffer_data [function] [call site] 00496
2 ntlm_free_buffer_data [function] [call site] 00497
2 ntlm_free_buffer_data [function] [call site] 00498
2 ntlm_free_buffer_data [function] [call site] 00499
2 gssntlmssp_ret_err [function] [call site] 00500
1 gss_release_buffer [call site] 00501
1 gss_release_buffer [call site] 00502
1 gss_release_name [function] [call site] 00503
2 gssntlm_release_name [function] [call site] 00504
1 gss_release_cred [function] [call site] 00505
2 gssntlm_release_cred [function] [call site] 00506
1 gss_delete_sec_context [function] [call site] 00507
2 gssntlm_delete_sec_context [function] [call site] 00508