Fuzz introspector: selabel_file_text-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
20 195 spec_node_cmp call site: 00195 __errno_location
19 166 spec_node_cmp call site: 00166 rspec_incomp
17 148 spec_node_cmp call site: 00148 lspec_incomp
8 186 spec_node_cmp call site: 00186 __errno_location
6 99 selabel_validate call site: 00099 __errno_location
4 107 insert_spec call site: 00107 __errno_location
4 143 spec_node_cmp call site: 00143 __errno_location
4 229 selabel_sub_key call site: 00229 selabel_apply_subs
3 31 process_line call site: 00031 __errno_location
3 81 regex_format_error call site: 00081 abort
3 251 lookup_check_node call site: 00251 __errno_location
2 8 write_full call site: 00008 close

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 memmem [call site] 00001
1 selinux_set_callback [function] [call site] 00002
1 selinux_set_callback [function] [call site] 00003
1 calloc [call site] 00004
1 convert_data [function] [call site] 00005
2 memfd_create [call site] 00006
2 write_full [function] [call site] 00007
3 write [call site] 00008
3 __errno_location [call site] 00009
2 close [call site] 00010
2 fdopen [call site] 00011
2 close [call site] 00012
2 fseek [call site] 00013
2 fclose [call site] 00014
1 __errno_location [call site] 00015
1 process_text_file [function] [call site] 00016
2 getline [call site] 00017
2 process_line [function] [call site] 00018
3 strchr [call site] 00019
3 __errno_location [call site] 00020
3 read_spec_entries [function] [call site] 00021
4 __ctype_b_loc [call site] 00022
4 read_spec_entry [function] [call site] 00023
5 __ctype_b_loc [call site] 00024
5 __ctype_b_loc [call site] 00025
5 __errno_location [call site] 00026
5 __errno_location [call site] 00027
5 strndup [call site] 00028
3 __errno_location [call site] 00029
3 pthread_mutex_lock [call site] 00030
3 pthread_mutex_unlock [call site] 00031
3 __errno_location [call site] 00032
3 pthread_mutex_lock [call site] 00033
3 pthread_mutex_unlock [call site] 00034
3 __errno_location [call site] 00035
3 pthread_mutex_lock [call site] 00036
3 pthread_mutex_unlock [call site] 00037
3 __errno_location [call site] 00038
3 string_to_file_kind [function] [call site] 00039
3 __errno_location [call site] 00040
3 pthread_mutex_lock [call site] 00041
3 pthread_mutex_unlock [call site] 00042
3 __errno_location [call site] 00043
3 insert_spec [function] [call site] 00044
4 __errno_location [call site] 00045
4 regex_has_meta_chars [function] [call site] 00046
4 __assert_fail [call site] 00047
4 strchr [call site] 00048
4 regex_simplify [function] [call site] 00049
5 __errno_location [call site] 00050
5 pthread_mutex_lock [call site] 00051
5 pthread_mutex_unlock [call site] 00052
4 strlen [call site] 00053
4 strcmp [call site] 00054
4 strncmp [call site] 00055
4 __errno_location [call site] 00056
4 reallocarray [call site] 00057
4 __errno_location [call site] 00058
4 reallocarray [call site] 00059
4 compile_regex [function] [call site] 00060
5 __errno_location [call site] 00061
5 pthread_mutex_lock [call site] 00062
5 pthread_mutex_unlock [call site] 00063
5 strlen [call site] 00064
5 pthread_mutex_unlock [call site] 00065
5 snprintf [call site] 00066
5 __errno_location [call site] 00067
5 pthread_mutex_unlock [call site] 00068
5 snprintf [call site] 00069
5 regex_prepare_data [function] [call site] 00070
6 regex_data_create [function] [call site] 00071
7 calloc [call site] 00072
7 pthread_mutex_init [call site] 00073
6 pcre2_compile_8 [call site] 00074
6 pcre2_match_data_create_from_pattern_8 [call site] 00075
6 regex_data_free [function] [call site] 00076
7 pcre2_code_free_8 [call site] 00077
7 pcre2_match_data_free_8 [call site] 00078
7 pthread_mutex_destroy [call site] 00079
5 regex_format_error [function] [call site] 00080
6 snprintf [call site] 00081
6 abort [call site] 00082
6 snprintf [call site] 00083
6 abort [call site] 00084
6 snprintf [call site] 00085
6 abort [call site] 00086
6 pcre2_get_error_message_8 [call site] 00087
5 pthread_mutex_unlock [call site] 00088
5 __errno_location [call site] 00089
5 pthread_mutex_unlock [call site] 00090
4 __errno_location [call site] 00091
4 pthread_mutex_lock [call site] 00092
4 pthread_mutex_unlock [call site] 00093
4 strcmp [call site] 00094
4 compat_validate [function] [call site] 00095
5 selabel_validate [function] [call site] 00096
6 pthread_mutex_lock [call site] 00097
6 pthread_mutex_unlock [call site] 00098
6 pthread_mutex_unlock [call site] 00099
5 __errno_location [call site] 00100
5 pthread_mutex_lock [call site] 00101
5 pthread_mutex_unlock [call site] 00102
5 __errno_location [call site] 00103
5 pthread_mutex_lock [call site] 00104
5 pthread_mutex_unlock [call site] 00105
4 strlen [call site] 00106
4 regex_simplify [function] [call site] 00107
4 __errno_location [call site] 00108
4 pthread_mutex_lock [call site] 00109
4 pthread_mutex_unlock [call site] 00110
4 __errno_location [call site] 00111
4 strchr [call site] 00112
4 __assert_fail [call site] 00113
4 strncmp [call site] 00114
4 strncmp [call site] 00115
4 __errno_location [call site] 00116
4 reallocarray [call site] 00117
4 strndup [call site] 00118
4 __errno_location [call site] 00119
4 reallocarray [call site] 00120
4 strlen [call site] 00121
4 __assert_fail [call site] 00122
4 strcmp [call site] 00123
4 compat_validate [function] [call site] 00124
1 __errno_location [call site] 00125
1 __assert_fail [call site] 00126
1 sort_specs [function] [call site] 00127
2 sort_spec_node [function] [call site] 00128
3 __assert_fail [call site] 00129
3 __assert_fail [call site] 00130
3 __assert_fail [call site] 00131
3 qsort [call site] 00132
3 compare_literal_spec [function] [call site] 00133
4 strcmp [call site] 00134
3 qsort [call site] 00135
3 compare_spec_node [function] [call site] 00136
4 strcmp [call site] 00137
4 __assert_fail [call site] 00138
3 sort_spec_node [function] [call site] 00139
1 cmp [function] [call site] 00140
2 __assert_fail [call site] 00141
2 spec_node_cmp [function] [call site] 00142
3 strcmp [call site] 00143
3 __errno_location [call site] 00144
3 pthread_mutex_lock [call site] 00145
3 fmt_stem [function] [call site] 00146
3 pthread_mutex_unlock [call site] 00147
3 strcmp [call site] 00148
3 lspec_incomp [function] [call site] 00149
4 __errno_location [call site] 00150
4 pthread_mutex_lock [call site] 00151
4 fmt_stem [function] [call site] 00152
4 file_kind_to_string [function] [call site] 00153
4 pthread_mutex_unlock [call site] 00154
3 lspec_incomp [function] [call site] 00155
3 lspec_incomp [function] [call site] 00156
3 lspec_incomp [function] [call site] 00157
3 __errno_location [call site] 00158
3 pthread_mutex_lock [call site] 00159
3 fmt_stem [function] [call site] 00160
3 pthread_mutex_unlock [call site] 00161
3 __errno_location [call site] 00162
3 pthread_mutex_lock [call site] 00163
3 fmt_stem [function] [call site] 00164
3 pthread_mutex_unlock [call site] 00165
3 strcmp [call site] 00166
3 __assert_fail [call site] 00167
3 strcmp [call site] 00168
3 strcmp [call site] 00169
3 rspec_incomp [function] [call site] 00170
4 __errno_location [call site] 00171
4 pthread_mutex_lock [call site] 00172
4 fmt_stem [function] [call site] 00173
4 file_kind_to_string [function] [call site] 00174
4 pthread_mutex_unlock [call site] 00175
3 __errno_location [call site] 00176
3 pthread_mutex_lock [call site] 00177
3 fmt_stem [function] [call site] 00178
3 file_kind_to_string [function] [call site] 00179
3 pthread_mutex_unlock [call site] 00180
3 __errno_location [call site] 00181
3 pthread_mutex_lock [call site] 00182
3 fmt_stem [function] [call site] 00183
3 file_kind_to_string [function] [call site] 00184
3 pthread_mutex_unlock [call site] 00185
3 strcmp [call site] 00186
3 __errno_location [call site] 00187
3 pthread_mutex_lock [call site] 00188
3 fmt_stem [function] [call site] 00189
3 pthread_mutex_unlock [call site] 00190
3 __errno_location [call site] 00191
3 pthread_mutex_lock [call site] 00192
3 fmt_stem [function] [call site] 00193
3 pthread_mutex_unlock [call site] 00194
3 spec_node_cmp [function] [call site] 00195
4 __errno_location [call site] 00196
4 pthread_mutex_lock [call site] 00197
4 fmt_stem [function] [call site] 00198
4 pthread_mutex_unlock [call site] 00199
4 __errno_location [call site] 00200
4 pthread_mutex_lock [call site] 00201
4 fmt_stem [function] [call site] 00202
4 pthread_mutex_unlock [call site] 00203
4 __errno_location [call site] 00204
4 pthread_mutex_lock [call site] 00205
4 fmt_stem [function] [call site] 00206
4 pthread_mutex_unlock [call site] 00207
4 __errno_location [call site] 00208
4 pthread_mutex_lock [call site] 00209
4 fmt_stem [function] [call site] 00210
4 pthread_mutex_unlock [call site] 00211
4 __errno_location [call site] 00212
4 pthread_mutex_lock [call site] 00213
4 fmt_stem [function] [call site] 00214
4 pthread_mutex_unlock [call site] 00215
1 __assert_fail [call site] 00216
1 __errno_location [call site] 00217
1 lookup_all [function] [call site] 00218
2 mode_to_file_kind [function] [call site] 00219
2 __errno_location [call site] 00220
2 __errno_location [call site] 00221
2 strstr [call site] 00222
2 strlen [call site] 00223
2 strstr [call site] 00224
2 strcpy [call site] 00225
2 strlen [call site] 00226
2 __errno_location [call site] 00227
2 selabel_sub_key [function] [call site] 00228
3 selabel_apply_subs [function] [call site] 00229
4 strncmp [call site] 00230
4 strcmp [call site] 00231
3 strlen [call site] 00232
3 selabel_apply_subs [function] [call site] 00233
3 selabel_apply_subs [function] [call site] 00234
2 lookup_find_deepest_node [function] [call site] 00235
3 strchr [call site] 00236
3 search_child_node [function] [call site] 00237
4 strncmp [call site] 00238
2 lookup_check_node [function] [call site] 00239
3 strlen [call site] 00240
3 __assert_fail [call site] 00241
3 search_literal_spec [function] [call site] 00242
4 strncmp [call site] 00243
4 strcmp [call site] 00244
4 strncmp [call site] 00245
4 strcmp [call site] 00246
3 strcmp [call site] 00247
3 __errno_location [call site] 00248
3 strncmp [call site] 00249
3 strcmp [call site] 00250
3 compile_regex [function] [call site] 00251
3 __errno_location [call site] 00252
3 pthread_mutex_lock [call site] 00253
3 pthread_mutex_unlock [call site] 00254
3 regex_match [function] [call site] 00255
4 pthread_mutex_lock [call site] 00256
4 pcre2_match_8 [call site] 00257
4 pthread_mutex_unlock [call site] 00258
3 strcmp [call site] 00259
3 __errno_location [call site] 00260
3 __errno_location [call site] 00261
3 __errno_location [call site] 00262
3 free_lookup_result [function] [call site] 00263
2 strlen [call site] 00264
2 strncmp [call site] 00265
2 all_node_specs [function] [call site] 00266
3 __assert_fail [call site] 00267
3 strcmp [call site] 00268
3 strcmp [call site] 00269
3 all_node_specs [function] [call site] 00270
4 free_lookup_result [function] [call site] 00271
1 __errno_location [call site] 00272
1 __assert_fail [call site] 00273
1 __assert_fail [call site] 00274
1 __assert_fail [call site] 00275
1 __assert_fail [call site] 00276
1 __assert_fail [call site] 00277
1 strcmp [call site] 00278
1 __assert_fail [call site] 00279
1 __assert_fail [call site] 00280
1 __assert_fail [call site] 00281
1 strlen [call site] 00282
1 __assert_fail [call site] 00283
1 free_lookup_result [function] [call site] 00284
1 fclose [call site] 00285
1 free_spec_node [function] [call site] 00286
2 pthread_mutex_destroy [call site] 00287
2 pthread_mutex_destroy [call site] 00288
2 regex_data_free [function] [call site] 00289
2 pthread_mutex_destroy [call site] 00290
2 free_spec_node [function] [call site] 00291
1 munmap [call site] 00292
1 __assert_fail [call site] 00293