Fuzz introspector: /src/fuzz-main.c
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
1204 0 EP call site: 00000 flex_main

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 flex_main [function] [call site] 00006
2 WIFEXITED [function] [call site] 00012
2 WEXITSTATUS [function] [call site] 00013
2 flexinit [function] [call site] 00014
3 allocate_character_array [function] [call site] 00016
3 FLEX_EXIT [function] [call site] 00039
3 FLEX_EXIT [function] [call site] 00075
3 lerr [function] [call site] 00076
4 vsnprintf [function] [call site] 00078
4 flexerror [function] [call site] 00080
5 flexend [function] [call site] 00082
6 FLEX_EXIT [function] [call site] 00083
6 sf_case_ins [function] [call site] 00118
6 FLEX_EXIT [function] [call site] 00174
3 FLEX_EXIT [function] [call site] 00216
3 sf_set_case_ins [function] [call site] 00217
3 FLEX_EXIT [function] [call site] 00220
3 set_input_file [function] [call site] 00244
3 set_up_initial_allocations [function] [call site] 00245
4 allocate_integer_array [function] [call site] 00246
4 allocate_integer_array [function] [call site] 00247
4 allocate_integer_array [function] [call site] 00248
4 allocate_integer_array [function] [call site] 00249
4 allocate_integer_array [function] [call site] 00250
4 allocate_integer_array [function] [call site] 00251
4 allocate_integer_array [function] [call site] 00252
4 allocate_integer_array [function] [call site] 00253
4 allocate_integer_array [function] [call site] 00254
4 allocate_integer_array [function] [call site] 00255
4 allocate_integer_array [function] [call site] 00256
4 allocate_array [function] [call site] 00257
4 allocate_array [function] [call site] 00258
4 allocate_integer_array [function] [call site] 00259
4 allocate_integer_array [function] [call site] 00260
4 allocate_array [function] [call site] 00261
4 allocate_array [function] [call site] 00262
4 allocate_char_ptr_array [function] [call site] 00263
4 allocate_integer_array [function] [call site] 00264
4 allocate_integer_array [function] [call site] 00265
4 allocate_integer_array [function] [call site] 00266
4 allocate_array [function] [call site] 00267
4 allocate_Character_array [function] [call site] 00268
4 allocate_integer_array [function] [call site] 00269
4 allocate_integer_array [function] [call site] 00270
4 allocate_integer_array [function] [call site] 00271
4 allocate_integer_array [function] [call site] 00272
4 allocate_integer_array [function] [call site] 00273
4 allocate_integer_array [function] [call site] 00274
4 allocate_integer_array [function] [call site] 00275
4 allocate_integer_array [function] [call site] 00276
4 allocate_int_ptr_array [function] [call site] 00277
4 allocate_array [function] [call site] 00278
2 readin [function] [call site] 00279
3 line_directive_out [function] [call site] 00280
4 add_action [function] [call site] 00284
5 reallocate_character_array [function] [call site] 00286
3 pinpoint_message [function] [call site] 00289
3 reject_brackets_in_option_value [function] [call site] 00325
3 reject_brackets_in_option_value [function] [call site] 00331
3 reject_brackets_in_option_value [function] [call site] 00332
3 reject_brackets_in_option_value [function] [call site] 00333
3 initialize_output_filters [function] [call site] 00334
4 filter_create_int [function] [call site] 00356
4 filter_truncate [function] [call site] 00357
3 yytbl_writer_init [function] [call site] 00401
3 flexerror [function] [call site] 00437
3 line_directive_out [function] [call site] 00442
3 line_directive_out [function] [call site] 00464
3 flexfatal [function] [call site] 00506
3 buf_strappend [function] [call site] 00509
3 out_m4_define [function] [call site] 00511
3 visible_define [function] [call site] 00515
3 visible_define [function] [call site] 00519
3 visible_define_str [function] [call site] 00520
3 visible_define_str [function] [call site] 00525
3 visible_define [function] [call site] 00526
3 visible_define [function] [call site] 00527
3 visible_define_str [function] [call site] 00528
3 visible_define_str [function] [call site] 00529
3 visible_define [function] [call site] 00530
3 visible_define [function] [call site] 00531
3 visible_define [function] [call site] 00532
3 visible_define [function] [call site] 00533
3 visible_define [function] [call site] 00534
3 visible_define [function] [call site] 00535
3 visible_define [function] [call site] 00536
3 visible_define [function] [call site] 00537
3 visible_define [function] [call site] 00538
3 visible_define [function] [call site] 00539
3 visible_define [function] [call site] 00540
3 visible_define [function] [call site] 00541
3 visible_define [function] [call site] 00542
3 visible_define [function] [call site] 00543
3 visible_define [function] [call site] 00544
3 visible_define [function] [call site] 00545
3 visible_define [function] [call site] 00546
3 visible_define [function] [call site] 00547
3 visible_define [function] [call site] 00548
3 visible_define [function] [call site] 00549
3 visible_define [function] [call site] 00550
3 visible_define [function] [call site] 00551
3 visible_define [function] [call site] 00552
3 visible_define [function] [call site] 00553
3 visible_define [function] [call site] 00554
3 visible_define [function] [call site] 00555
3 visible_define [function] [call site] 00556
3 visible_define [function] [call site] 00557
3 visible_define [function] [call site] 00558
3 visible_define [function] [call site] 00559
3 visible_define [function] [call site] 00560
3 visible_define [function] [call site] 00561
3 visible_define [function] [call site] 00562
3 visible_define [function] [call site] 00563
3 visible_define [function] [call site] 00564
3 visible_define [function] [call site] 00565
3 out_m4_define [function] [call site] 00566
3 visible_define [function] [call site] 00567
3 visible_define [function] [call site] 00568
3 visible_define [function] [call site] 00569
3 visible_define [function] [call site] 00570
3 visible_define [function] [call site] 00571
3 visible_define [function] [call site] 00572
3 is_default_backend [function] [call site] 00573
3 visible_define [function] [call site] 00574
3 visible_define [function] [call site] 00575
3 visible_define [function] [call site] 00576
3 visible_define_str [function] [call site] 00577
3 visible_define [function] [call site] 00578
3 visible_define_int [function] [call site] 00579
3 visible_define_str [function] [call site] 00585
3 visible_define [function] [call site] 00586
3 visible_define [function] [call site] 00587
3 visible_define [function] [call site] 00588
3 visible_define [function] [call site] 00589
3 visible_define [function] [call site] 00590
3 visible_define [function] [call site] 00591
3 visible_define [function] [call site] 00592
3 visible_define [function] [call site] 00593
3 visible_define [function] [call site] 00594
3 visible_define [function] [call site] 00595
3 visible_define [function] [call site] 00596
3 visible_define [function] [call site] 00597
3 visible_define [function] [call site] 00598
3 visible_define [function] [call site] 00599
3 visible_define [function] [call site] 00600
3 visible_define [function] [call site] 00601
3 visible_define [function] [call site] 00602
3 visible_define [function] [call site] 00603
3 visible_define [function] [call site] 00604
3 visible_define [function] [call site] 00605
3 visible_define [function] [call site] 00606
3 visible_define [function] [call site] 00607
3 visible_define [function] [call site] 00608
3 visible_define [function] [call site] 00609
3 visible_define [function] [call site] 00610
3 visible_define [function] [call site] 00611
3 visible_define [function] [call site] 00612
3 visible_define [function] [call site] 00613
3 visible_define [function] [call site] 00614
3 visible_define [function] [call site] 00615
3 visible_define [function] [call site] 00616
3 visible_define [function] [call site] 00617
3 visible_define [function] [call site] 00618
3 visible_define [function] [call site] 00619
3 visible_define [function] [call site] 00620
2 ntod [function] [call site] 00625
3 allocate_integer_array [function] [call site] 00626
3 allocate_integer_array [function] [call site] 00627
3 is_power_of_2 [function] [call site] 00639
3 allocate_integer_array [function] [call site] 00640
3 place_state [function] [call site] 00641
4 find_table_space [function] [call site] 00642
5 expand_nxt_chk [function] [call site] 00643
6 reallocate_integer_array [function] [call site] 00644
6 reallocate_integer_array [function] [call site] 00645
5 expand_nxt_chk [function] [call site] 00647
3 yytbl_data_init [function] [call site] 00649
3 optimize_pack [function] [call site] 00652
3 dataflush [function] [call site] 00667
3 mkbranch [function] [call site] 00669
4 mkstate [function] [call site] 00670
5 reallocate_integer_array [function] [call site] 00673
5 reallocate_integer_array [function] [call site] 00674
5 reallocate_integer_array [function] [call site] 00675
5 reallocate_integer_array [function] [call site] 00676
5 reallocate_integer_array [function] [call site] 00677
5 reallocate_integer_array [function] [call site] 00678
5 reallocate_integer_array [function] [call site] 00679
5 reallocate_integer_array [function] [call site] 00680
5 reallocate_integer_array [function] [call site] 00681
3 epsclosure [function] [call site] 00696
4 allocate_integer_array [function] [call site] 00697
4 IS_MARKED [function] [call site] 00698
4 PUT_ON_STACK [function] [call site] 00699
4 CHECK_ACCEPT [function] [call site] 00700
4 IS_MARKED [function] [call site] 00701
4 STACK_STATE [function] [call site] 00702
4 IS_MARKED [function] [call site] 00703
4 STACK_STATE [function] [call site] 00704
4 IS_MARKED [function] [call site] 00705
4 UNMARK_STATE [function] [call site] 00706
4 lerr_fatal [function] [call site] 00707
3 snstods [function] [call site] 00709
4 increase_max_dfas [function] [call site] 00711
5 reallocate_integer_array [function] [call site] 00712
5 reallocate_integer_array [function] [call site] 00713
5 reallocate_integer_array [function] [call site] 00714
5 reallocate_integer_array [function] [call site] 00715
5 reallocate_integer_array [function] [call site] 00716
5 reallocate_int_ptr_array [function] [call site] 00717
5 reallocate_array [function] [call site] 00718
5 reallocate_integer_array [function] [call site] 00719
4 allocate_integer_array [function] [call site] 00720
4 allocate_integer_array [function] [call site] 00723
3 check_trailing_context [function] [call site] 00724
3 flexfatal [function] [call site] 00728
3 epsclosure [function] [call site] 00738
3 check_trailing_context [function] [call site] 00740
3 dataflush [function] [call site] 00776
3 place_state [function] [call site] 00778
3 stack1 [function] [call site] 00779
4 mk1tbl [function] [call site] 00780
5 expand_nxt_chk [function] [call site] 00781
5 expand_nxt_chk [function] [call site] 00782
3 yytbl_data_compress [function] [call site] 00809
4 yytbl_data_init [function] [call site] 00810
4 min_int_size [function] [call site] 00811
5 yytbl_calc_total_len [function] [call site] 00812
5 yytbl_data_geti [function] [call site] 00814
6 YYTDFLAGS2BYTES [function] [call site] 00815
4 YYTDFLAGS2BYTES [function] [call site] 00817
4 YYTDFLAGS2BYTES [function] [call site] 00818
4 yytbl_calc_total_len [function] [call site] 00820
4 TFLAGS_CLRDATA [function] [call site] 00822
4 BYTES2TFLAG [function] [call site] 00823
4 yytbl_data_geti [function] [call site] 00824
4 yytbl_data_seti [function] [call site] 00825
5 YYTDFLAGS2BYTES [function] [call site] 00826
3 yytbl_data_fwrite [function] [call site] 00829
4 yytbl_write16 [function] [call site] 00830
4 yytbl_write16 [function] [call site] 00831
4 yytbl_write32 [function] [call site] 00832
4 yytbl_write32 [function] [call site] 00833
4 yytbl_calc_total_len [function] [call site] 00834
4 YYTDFLAGS2BYTES [function] [call site] 00835
4 yytbl_write8 [function] [call site] 00836
4 yytbl_data_geti [function] [call site] 00837
4 yytbl_write16 [function] [call site] 00838
4 yytbl_data_geti [function] [call site] 00839
4 yytbl_write32 [function] [call site] 00840
4 yytbl_data_geti [function] [call site] 00841
4 YYTDFLAGS2BYTES [function] [call site] 00845
4 yytbl_write_pad64 [function] [call site] 00847
4 yytbl_write32 [function] [call site] 00851
3 cmptmps [function] [call site] 00859
4 increase_max_dfas [function] [call site] 00861
3 mkdeftbl [function] [call site] 00864
4 expand_nxt_chk [function] [call site] 00865
2 line_warning [function] [call site] 00868
2 line_warning [function] [call site] 00872
2 visible_define [function] [call site] 00874
2 visible_define [function] [call site] 00875
2 visible_define [function] [call site] 00876
2 visible_define [function] [call site] 00877
2 visible_define [function] [call site] 00878
2 visible_define [function] [call site] 00879
2 out_str_dec [function] [call site] 00885
2 out_str_dec [function] [call site] 00886
2 out_str_dec [function] [call site] 00887
2 out_str_dec [function] [call site] 00888
2 optimize_pack [function] [call site] 00890
2 make_tables [function] [call site] 00893
3 genctbl [function] [call site] 00894
4 expand_nxt_chk [function] [call site] 00897
4 increase_max_dfas [function] [call site] 00898
4 transition_struct_out [function] [call site] 00905
4 transition_struct_out [function] [call site] 00906
4 transition_struct_out [function] [call site] 00907
4 transition_struct_out [function] [call site] 00908
4 transition_struct_out [function] [call site] 00909
3 mkctbl [function] [call site] 00933
4 optimize_pack [function] [call site] 00934
4 yytbl_data_init [function] [call site] 00937
4 expand_nxt_chk [function] [call site] 00939
4 increase_max_dfas [function] [call site] 00940
3 yytbl_data_compress [function] [call site] 00941
3 yytbl_data_fwrite [function] [call site] 00942
3 yytbl_data_destroy [function] [call site] 00945
3 yytbl_data_compress [function] [call site] 00950
3 yytbl_data_fwrite [function] [call site] 00951
3 yytbl_data_destroy [function] [call site] 00954
3 yytbl_data_compress [function] [call site] 00960
3 yytbl_data_fwrite [function] [call site] 00961
3 yytbl_data_destroy [function] [call site] 00964
3 yytbl_data_compress [function] [call site] 00981
3 optimize_pack [function] [call site] 00982
3 yytbl_data_fwrite [function] [call site] 00984
3 yytbl_data_destroy [function] [call site] 00987
3 yytbl_data_compress [function] [call site] 00989
3 yytbl_data_fwrite [function] [call site] 00990
3 yytbl_data_destroy [function] [call site] 00993
3 gentabs [function] [call site] 00994
4 allocate_integer_array [function] [call site] 00995
4 optimize_pack [function] [call site] 00997
4 yytbl_data_init [function] [call site] 01002
4 yytbl_data_compress [function] [call site] 01012
4 yytbl_data_fwrite [function] [call site] 01013
4 yytbl_data_destroy [function] [call site] 01016
4 optimize_pack [function] [call site] 01017
4 yytbl_data_init [function] [call site] 01023
4 yytbl_data_compress [function] [call site] 01031
4 yytbl_data_fwrite [function] [call site] 01032
4 yytbl_data_destroy [function] [call site] 01035
4 yytbl_data_compress [function] [call site] 01038
4 yytbl_data_fwrite [function] [call site] 01039
4 yytbl_data_destroy [function] [call site] 01042
4 yytbl_data_init [function] [call site] 01044
4 yytbl_data_compress [function] [call site] 01056
4 yytbl_data_fwrite [function] [call site] 01057
4 yytbl_data_destroy [function] [call site] 01060
4 optimize_pack [function] [call site] 01061
4 yytbl_data_init [function] [call site] 01066
4 yytbl_data_compress [function] [call site] 01073
4 yytbl_data_fwrite [function] [call site] 01074
4 yytbl_data_destroy [function] [call site] 01077
4 optimize_pack [function] [call site] 01078
4 yytbl_data_init [function] [call site] 01083
4 yytbl_data_compress [function] [call site] 01088
4 yytbl_data_fwrite [function] [call site] 01089
4 yytbl_data_destroy [function] [call site] 01092
4 optimize_pack [function] [call site] 01093
4 yytbl_data_init [function] [call site] 01098
4 yytbl_data_compress [function] [call site] 01103
4 yytbl_data_fwrite [function] [call site] 01104
4 yytbl_data_destroy [function] [call site] 01107
4 optimize_pack [function] [call site] 01108
4 yytbl_data_init [function] [call site] 01113
4 yytbl_data_compress [function] [call site] 01118
4 yytbl_data_fwrite [function] [call site] 01119
4 yytbl_data_destroy [function] [call site] 01122
3 visible_define [function] [call site] 01136
3 visible_define [function] [call site] 01137
3 visible_define [function] [call site] 01138
3 yytbl_data_compress [function] [call site] 01155
3 yytbl_data_fwrite [function] [call site] 01156
3 yytbl_data_destroy [function] [call site] 01159
3 yytbl_data_init [function] [call site] 01164
3 yytbl_data_compress [function] [call site] 01170
3 yytbl_data_fwrite [function] [call site] 01171
3 yytbl_data_destroy [function] [call site] 01174
3 optimize_pack [function] [call site] 01175
2 line_directive_out [function] [call site] 01184
2 line_directive_out [function] [call site] 01187
2 line_directive_out [function] [call site] 01190
2 line_directive_out [function] [call site] 01197
2 OUT_BEGIN_CODE [function] [call site] 01198
2 OUT_END_CODE [function] [call site] 01202