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
1224 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 flexerror [function] [call site] 00084
6 sf_case_ins [function] [call site] 00120
6 FLEX_EXIT [function] [call site] 00201
3 FLEX_EXIT [function] [call site] 00223
3 sf_set_case_ins [function] [call site] 00224
3 FLEX_EXIT [function] [call site] 00227
3 set_input_file [function] [call site] 00249
3 set_up_initial_allocations [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_integer_array [function] [call site] 00257
4 allocate_integer_array [function] [call site] 00258
4 allocate_integer_array [function] [call site] 00259
4 allocate_integer_array [function] [call site] 00260
4 allocate_integer_array [function] [call site] 00261
4 allocate_array [function] [call site] 00262
4 allocate_array [function] [call site] 00263
4 allocate_integer_array [function] [call site] 00264
4 allocate_integer_array [function] [call site] 00265
4 allocate_array [function] [call site] 00266
4 allocate_array [function] [call site] 00267
4 allocate_char_ptr_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_array [function] [call site] 00272
4 allocate_Character_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_integer_array [function] [call site] 00277
4 allocate_integer_array [function] [call site] 00278
4 allocate_integer_array [function] [call site] 00279
4 allocate_integer_array [function] [call site] 00280
4 allocate_integer_array [function] [call site] 00281
4 allocate_int_ptr_array [function] [call site] 00282
4 allocate_array [function] [call site] 00283
2 readin [function] [call site] 00284
3 line_directive_out [function] [call site] 00285
4 add_action [function] [call site] 00289
5 reallocate_character_array [function] [call site] 00291
3 pinpoint_message [function] [call site] 00294
3 initialize_output_filters [function] [call site] 00330
4 filter_create_int [function] [call site] 00347
4 filter_truncate [function] [call site] 00348
3 yytbl_writer_init [function] [call site] 00392
3 flexerror [function] [call site] 00435
3 flexerror [function] [call site] 00442
3 line_directive_out [function] [call site] 00444
3 line_directive_out [function] [call site] 00466
3 flexerror [function] [call site] 00492
3 flexerror [function] [call site] 00494
3 flexerror [function] [call site] 00496
3 flexfatal [function] [call site] 00510
3 buf_strappend [function] [call site] 00513
3 out_m4_define [function] [call site] 00515
3 visible_define [function] [call site] 00519
3 visible_define [function] [call site] 00523
3 visible_define_str [function] [call site] 00524
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_str [function] [call site] 00532
3 visible_define_str [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 visible_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 out_m4_define [function] [call site] 00570
3 visible_define [function] [call site] 00571
3 visible_define [function] [call site] 00572
3 visible_define [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 is_default_backend [function] [call site] 00577
3 visible_define [function] [call site] 00578
3 visible_define [function] [call site] 00579
3 visible_define [function] [call site] 00580
3 visible_define_str [function] [call site] 00581
3 visible_define [function] [call site] 00582
3 visible_define_int [function] [call site] 00583
3 visible_define_str [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
3 visible_define [function] [call site] 00621
3 visible_define [function] [call site] 00622
3 visible_define [function] [call site] 00623
3 visible_define [function] [call site] 00624
2 ntod [function] [call site] 00629
3 allocate_integer_array [function] [call site] 00630
3 allocate_integer_array [function] [call site] 00631
3 is_power_of_2 [function] [call site] 00646
3 allocate_integer_array [function] [call site] 00647
3 place_state [function] [call site] 00648
4 find_table_space [function] [call site] 00649
5 expand_nxt_chk [function] [call site] 00650
6 reallocate_integer_array [function] [call site] 00651
6 reallocate_integer_array [function] [call site] 00652
5 expand_nxt_chk [function] [call site] 00654
3 yytbl_data_init [function] [call site] 00656
3 optimize_pack [function] [call site] 00659
3 dataflush [function] [call site] 00674
3 mkbranch [function] [call site] 00676
4 mkstate [function] [call site] 00677
5 reallocate_integer_array [function] [call site] 00680
5 reallocate_integer_array [function] [call site] 00681
5 reallocate_integer_array [function] [call site] 00682
5 reallocate_integer_array [function] [call site] 00683
5 reallocate_integer_array [function] [call site] 00684
5 reallocate_integer_array [function] [call site] 00685
5 reallocate_integer_array [function] [call site] 00686
5 reallocate_integer_array [function] [call site] 00687
5 reallocate_integer_array [function] [call site] 00688
3 epsclosure [function] [call site] 00703
4 allocate_integer_array [function] [call site] 00704
4 IS_MARKED [function] [call site] 00705
4 PUT_ON_STACK [function] [call site] 00706
4 CHECK_ACCEPT [function] [call site] 00707
4 IS_MARKED [function] [call site] 00708
4 STACK_STATE [function] [call site] 00709
4 IS_MARKED [function] [call site] 00710
4 STACK_STATE [function] [call site] 00711
4 IS_MARKED [function] [call site] 00712
4 UNMARK_STATE [function] [call site] 00713
4 flexfatal [function] [call site] 00714
3 snstods [function] [call site] 00716
4 increase_max_dfas [function] [call site] 00718
5 reallocate_integer_array [function] [call site] 00719
5 reallocate_integer_array [function] [call site] 00720
5 reallocate_integer_array [function] [call site] 00721
5 reallocate_integer_array [function] [call site] 00722
5 reallocate_integer_array [function] [call site] 00723
5 reallocate_int_ptr_array [function] [call site] 00724
5 reallocate_array [function] [call site] 00725
5 reallocate_integer_array [function] [call site] 00726
4 allocate_integer_array [function] [call site] 00727
4 allocate_integer_array [function] [call site] 00730
3 check_trailing_context [function] [call site] 00731
3 flexfatal [function] [call site] 00735
3 epsclosure [function] [call site] 00746
3 check_trailing_context [function] [call site] 00748
3 dataflush [function] [call site] 00784
3 place_state [function] [call site] 00786
3 stack1 [function] [call site] 00787
4 mk1tbl [function] [call site] 00788
5 expand_nxt_chk [function] [call site] 00789
5 expand_nxt_chk [function] [call site] 00790
3 yytbl_data_compress [function] [call site] 00817
4 yytbl_data_init [function] [call site] 00818
4 min_int_size [function] [call site] 00819
5 yytbl_calc_total_len [function] [call site] 00820
5 yytbl_data_geti [function] [call site] 00822
4 YYTDFLAGS2BYTES [function] [call site] 00826
4 YYTDFLAGS2BYTES [function] [call site] 00827
4 yytbl_calc_total_len [function] [call site] 00830
4 TFLAGS_CLRDATA [function] [call site] 00832
4 BYTES2TFLAG [function] [call site] 00833
4 yytbl_data_geti [function] [call site] 00834
4 yytbl_data_seti [function] [call site] 00835
3 yytbl_data_fwrite [function] [call site] 00840
4 yytbl_write16 [function] [call site] 00841
4 yytbl_write16 [function] [call site] 00842
4 yytbl_write32 [function] [call site] 00843
4 yytbl_write32 [function] [call site] 00844
4 yytbl_calc_total_len [function] [call site] 00845
4 YYTDFLAGS2BYTES [function] [call site] 00846
4 yytbl_write8 [function] [call site] 00847
4 yytbl_data_geti [function] [call site] 00848
4 yytbl_write16 [function] [call site] 00849
4 yytbl_data_geti [function] [call site] 00850
4 yytbl_write32 [function] [call site] 00851
4 yytbl_data_geti [function] [call site] 00852
4 YYTDFLAGS2BYTES [function] [call site] 00857
4 yytbl_write_pad64 [function] [call site] 00860
4 yytbl_write32 [function] [call site] 00865
3 flexerror [function] [call site] 00869
3 cmptmps [function] [call site] 00874
4 increase_max_dfas [function] [call site] 00876
3 mkdeftbl [function] [call site] 00879
4 expand_nxt_chk [function] [call site] 00880
2 line_warning [function] [call site] 00883
2 line_warning [function] [call site] 00885
2 visible_define [function] [call site] 00888
2 visible_define [function] [call site] 00889
2 visible_define [function] [call site] 00890
2 visible_define [function] [call site] 00891
2 visible_define [function] [call site] 00892
2 visible_define [function] [call site] 00893
2 out_str_dec [function] [call site] 00899
2 out_str_dec [function] [call site] 00900
2 out_str_dec [function] [call site] 00901
2 out_str_dec [function] [call site] 00902
2 optimize_pack [function] [call site] 00904
2 make_tables [function] [call site] 00907
3 genctbl [function] [call site] 00908
4 expand_nxt_chk [function] [call site] 00911
4 increase_max_dfas [function] [call site] 00912
4 transition_struct_out [function] [call site] 00919
4 transition_struct_out [function] [call site] 00920
4 transition_struct_out [function] [call site] 00921
4 transition_struct_out [function] [call site] 00922
4 transition_struct_out [function] [call site] 00923
3 mkctbl [function] [call site] 00948
4 optimize_pack [function] [call site] 00949
4 yytbl_data_init [function] [call site] 00952
4 expand_nxt_chk [function] [call site] 00954
4 increase_max_dfas [function] [call site] 00955
3 yytbl_data_compress [function] [call site] 00956
3 yytbl_data_fwrite [function] [call site] 00957
3 flexerror [function] [call site] 00958
3 yytbl_data_destroy [function] [call site] 00960
3 yytbl_data_compress [function] [call site] 00965
3 yytbl_data_fwrite [function] [call site] 00966
3 flexerror [function] [call site] 00967
3 yytbl_data_destroy [function] [call site] 00969
3 yytbl_data_compress [function] [call site] 00975
3 yytbl_data_fwrite [function] [call site] 00976
3 flexerror [function] [call site] 00977
3 yytbl_data_destroy [function] [call site] 00979
3 yytbl_data_compress [function] [call site] 00998
3 optimize_pack [function] [call site] 00999
3 yytbl_data_fwrite [function] [call site] 01001
3 flexerror [function] [call site] 01002
3 yytbl_data_destroy [function] [call site] 01004
3 yytbl_data_compress [function] [call site] 01006
3 yytbl_data_fwrite [function] [call site] 01007
3 flexerror [function] [call site] 01008
3 yytbl_data_destroy [function] [call site] 01010
3 gentabs [function] [call site] 01011
4 allocate_integer_array [function] [call site] 01012
4 optimize_pack [function] [call site] 01014
4 yytbl_data_init [function] [call site] 01019
4 yytbl_data_compress [function] [call site] 01030
4 yytbl_data_fwrite [function] [call site] 01031
4 flexerror [function] [call site] 01032
4 yytbl_data_destroy [function] [call site] 01034
4 optimize_pack [function] [call site] 01035
4 yytbl_data_init [function] [call site] 01041
4 yytbl_data_compress [function] [call site] 01050
4 yytbl_data_fwrite [function] [call site] 01051
4 flexerror [function] [call site] 01052
4 yytbl_data_destroy [function] [call site] 01054
4 yytbl_data_compress [function] [call site] 01057
4 yytbl_data_fwrite [function] [call site] 01058
4 flexerror [function] [call site] 01059
4 yytbl_data_destroy [function] [call site] 01061
4 yytbl_data_init [function] [call site] 01063
4 yytbl_data_compress [function] [call site] 01076
4 yytbl_data_fwrite [function] [call site] 01077
4 flexerror [function] [call site] 01078
4 yytbl_data_destroy [function] [call site] 01080
4 optimize_pack [function] [call site] 01081
4 yytbl_data_init [function] [call site] 01086
4 yytbl_data_compress [function] [call site] 01093
4 yytbl_data_fwrite [function] [call site] 01094
4 flexerror [function] [call site] 01095
4 yytbl_data_destroy [function] [call site] 01097
4 optimize_pack [function] [call site] 01098
4 yytbl_data_init [function] [call site] 01103
4 yytbl_data_compress [function] [call site] 01108
4 yytbl_data_fwrite [function] [call site] 01109
4 flexerror [function] [call site] 01110
4 yytbl_data_destroy [function] [call site] 01112
4 optimize_pack [function] [call site] 01113
4 yytbl_data_init [function] [call site] 01118
4 yytbl_data_compress [function] [call site] 01123
4 yytbl_data_fwrite [function] [call site] 01124
4 flexerror [function] [call site] 01125
4 yytbl_data_destroy [function] [call site] 01127
4 optimize_pack [function] [call site] 01128
4 yytbl_data_init [function] [call site] 01133
4 yytbl_data_compress [function] [call site] 01138
4 yytbl_data_fwrite [function] [call site] 01139
4 flexerror [function] [call site] 01140
4 yytbl_data_destroy [function] [call site] 01142
3 visible_define [function] [call site] 01156
3 visible_define [function] [call site] 01157
3 visible_define [function] [call site] 01158
3 yytbl_data_compress [function] [call site] 01175
3 yytbl_data_fwrite [function] [call site] 01176
3 flexerror [function] [call site] 01177
3 yytbl_data_destroy [function] [call site] 01179
3 yytbl_data_init [function] [call site] 01184
3 yytbl_data_compress [function] [call site] 01190
3 yytbl_data_fwrite [function] [call site] 01191
3 flexerror [function] [call site] 01192
3 yytbl_data_destroy [function] [call site] 01194
3 optimize_pack [function] [call site] 01195
2 line_directive_out [function] [call site] 01204
2 line_directive_out [function] [call site] 01207
2 line_directive_out [function] [call site] 01210
2 line_directive_out [function] [call site] 01217
2 OUT_BEGIN_CODE [function] [call site] 01218
2 OUT_END_CODE [function] [call site] 01222