Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique Reachable Complexities	Unique Reachable Functions	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
2	1 : View List ['yaml_parser_set_reader_error']	2	yaml_parser_update_buffer	call site: 00048	/src/libyaml/src/reader.c:463
0	None	3744	yaml_parser_fetch_next_token	call site: 00063	/src/libyaml/src/scanner.c:885
0	None	511	yaml_parser_fetch_directive	call site: 00072	/src/libyaml/src/scanner.c:1374
0	None	505	yaml_parser_fetch_directive	call site: 00073	/src/libyaml/src/scanner.c:1379
0	None	392	yaml_parser_fetch_flow_scalar	call site: 00266	/src/libyaml/src/scanner.c:1864
0	None	348	yaml_parser_fetch_tag	call site: 00205	/src/libyaml/src/scanner.c:1802
0	None	344	yaml_parser_fetch_plain_scalar	call site: 00308	/src/libyaml/src/scanner.c:1895
0	None	253	yaml_parser_scan_tag_uri	call site: 00118	/src/libyaml/src/scanner.c:2632
0	None	193	yaml_parser_fetch_anchor	call site: 00193	/src/libyaml/src/scanner.c:1772
0	None	50	yaml_parser_fetch_value	call site: 00187	/src/libyaml/src/scanner.c:1699
0	None	45	yaml_parser_initialize	call site: 00003	/src/libyaml/src/api.c:182
0	None	42	yaml_parser_initialize	call site: 00004	/src/libyaml/src/api.c:184

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           yaml_parser_initialize

[function] [call site] 00001


             __assert_fail

[call site] 00002


             yaml_malloc

[function] [call site] 00003


             yaml_malloc

[function] [call site] 00004


             yaml_malloc

[function] [call site] 00005


             yaml_malloc

[function] [call site] 00006


             yaml_malloc

[function] [call site] 00007


             yaml_malloc

[function] [call site] 00008


             yaml_malloc

[function] [call site] 00009


             yaml_malloc

[function] [call site] 00010


             yaml_free

[function] [call site] 00011


             yaml_free

[function] [call site] 00012


             yaml_free

[function] [call site] 00013


             yaml_free

[function] [call site] 00014


             yaml_free

[function] [call site] 00015


             yaml_free

[function] [call site] 00016


             yaml_free

[function] [call site] 00017


             yaml_free

[function] [call site] 00018


           yaml_parser_set_input_string

[function] [call site] 00019


             __assert_fail

[call site] 00020


             __assert_fail

[call site] 00021


             __assert_fail

[call site] 00022


           yaml_parser_scan

[function] [call site] 00023


             __assert_fail

[call site] 00024


             __assert_fail

[call site] 00025


             yaml_parser_fetch_more_tokens

[function] [call site] 00026


               yaml_parser_stale_simple_keys

[function] [call site] 00027


                 yaml_parser_set_scanner_error

[function] [call site] 00028


               yaml_parser_fetch_next_token

[function] [call site] 00029


                 yaml_parser_update_buffer

[function] [call site] 00030


                   __assert_fail

[call site] 00031


                   yaml_parser_determine_encoding

[function] [call site] 00032


                     yaml_parser_update_raw_buffer

[function] [call site] 00033


                       yaml_parser_set_reader_error

[function] [call site] 00034


                     memcmp

[call site] 00035


                     memcmp

[call site] 00036


                     memcmp

[call site] 00037


                   yaml_parser_update_raw_buffer

[function] [call site] 00038


                   yaml_parser_set_reader_error

[function] [call site] 00039


                   yaml_parser_set_reader_error

[function] [call site] 00040


                   yaml_parser_set_reader_error

[function] [call site] 00041


                   yaml_parser_set_reader_error

[function] [call site] 00042


                   yaml_parser_set_reader_error

[function] [call site] 00043


                   yaml_parser_set_reader_error

[function] [call site] 00044


                   yaml_parser_set_reader_error

[function] [call site] 00045


                   yaml_parser_set_reader_error

[function] [call site] 00046


                   yaml_parser_set_reader_error

[function] [call site] 00047


                   yaml_parser_set_reader_error

[function] [call site] 00048


                   yaml_parser_set_reader_error

[function] [call site] 00049


                 yaml_parser_fetch_stream_start

[function] [call site] 00050


                   yaml_stack_extend

[function] [call site] 00051


                     yaml_realloc

[function] [call site] 00052


                       realloc

[call site] 00053


                   yaml_queue_extend

[function] [call site] 00054


                     yaml_realloc

[function] [call site] 00055


                 yaml_parser_scan_to_next_token

[function] [call site] 00056


                   yaml_parser_update_buffer

[function] [call site] 00057


                   yaml_parser_update_buffer

[function] [call site] 00058


                   yaml_parser_update_buffer

[function] [call site] 00059


                   yaml_parser_update_buffer

[function] [call site] 00060


                   yaml_parser_update_buffer

[function] [call site] 00061


                 yaml_parser_stale_simple_keys

[function] [call site] 00062


                 yaml_parser_unroll_indent

[function] [call site] 00063


                   yaml_queue_extend

[function] [call site] 00064


                 yaml_parser_update_buffer

[function] [call site] 00065


                 yaml_parser_fetch_stream_end

[function] [call site] 00066


                   yaml_parser_unroll_indent

[function] [call site] 00067


                   yaml_parser_remove_simple_key

[function] [call site] 00068


                     yaml_parser_set_scanner_error

[function] [call site] 00069


                   yaml_queue_extend

[function] [call site] 00070


                 yaml_parser_fetch_directive

[function] [call site] 00071


                   yaml_parser_unroll_indent

[function] [call site] 00072


                   yaml_parser_remove_simple_key

[function] [call site] 00073


                   yaml_parser_scan_directive

[function] [call site] 00074


                     yaml_parser_scan_directive_name

[function] [call site] 00075


                       yaml_malloc

[function] [call site] 00076


                       yaml_parser_update_buffer

[function] [call site] 00077


                       yaml_string_extend

[function] [call site] 00078


                         yaml_realloc

[function] [call site] 00079


                       yaml_parser_update_buffer

[function] [call site] 00080


                       yaml_parser_set_scanner_error

[function] [call site] 00081


                       yaml_parser_set_scanner_error

[function] [call site] 00082


                       yaml_free

[function] [call site] 00083


                     strcmp

[call site] 00084


                     yaml_parser_scan_version_directive_value

[function] [call site] 00085


                       yaml_parser_update_buffer

[function] [call site] 00086


                       yaml_parser_update_buffer

[function] [call site] 00087


                       yaml_parser_scan_version_directive_number

[function] [call site] 00088


                         yaml_parser_update_buffer

[function] [call site] 00089


                         yaml_parser_set_scanner_error

[function] [call site] 00090


                         yaml_parser_update_buffer

[function] [call site] 00091


                         yaml_parser_set_scanner_error

[function] [call site] 00092


                       yaml_parser_set_scanner_error

[function] [call site] 00093


                       yaml_parser_scan_version_directive_number

[function] [call site] 00094


                     strcmp

[call site] 00095


                     yaml_parser_scan_tag_directive_value

[function] [call site] 00096


                       yaml_parser_update_buffer

[function] [call site] 00097


                       yaml_parser_update_buffer

[function] [call site] 00098


                       yaml_parser_scan_tag_handle

[function] [call site] 00099


                         yaml_malloc

[function] [call site] 00100


                         yaml_parser_update_buffer

[function] [call site] 00101


                         yaml_parser_set_scanner_error

[function] [call site] 00102


                         yaml_string_extend

[function] [call site] 00103


                         yaml_parser_update_buffer

[function] [call site] 00104


                         yaml_string_extend

[function] [call site] 00105


                         yaml_parser_update_buffer

[function] [call site] 00106


                         yaml_string_extend

[function] [call site] 00107


                         yaml_parser_set_scanner_error

[function] [call site] 00108


                         yaml_free

[function] [call site] 00109


                       yaml_parser_update_buffer

[function] [call site] 00110


                       yaml_parser_set_scanner_error

[function] [call site] 00111


                       yaml_parser_update_buffer

[function] [call site] 00112


                       yaml_parser_scan_tag_uri

[function] [call site] 00113


                         strlen

[call site] 00114


                         yaml_malloc

[function] [call site] 00115


                         yaml_string_extend

[function] [call site] 00116


                         yaml_parser_update_buffer

[function] [call site] 00117


                         yaml_string_extend

[function] [call site] 00118


                         yaml_parser_scan_uri_escapes

[function] [call site] 00119


                           yaml_parser_update_buffer

[function] [call site] 00120


                           yaml_parser_set_scanner_error

[function] [call site] 00121


                           yaml_parser_set_scanner_error

[function] [call site] 00122


                           yaml_parser_set_scanner_error

[function] [call site] 00123


                         yaml_string_extend

[function] [call site] 00124


                         yaml_parser_update_buffer

[function] [call site] 00125


                         yaml_string_extend

[function] [call site] 00126


                         yaml_parser_set_scanner_error

[function] [call site] 00127


                         yaml_free

[function] [call site] 00128


                       yaml_parser_update_buffer

[function] [call site] 00129


                       yaml_parser_set_scanner_error

[function] [call site] 00130


                       yaml_free

[function] [call site] 00131


                       yaml_free

[function] [call site] 00132


                     yaml_parser_set_scanner_error

[function] [call site] 00133


                     yaml_parser_update_buffer

[function] [call site] 00134


                     yaml_parser_update_buffer

[function] [call site] 00135


                     yaml_parser_update_buffer

[function] [call site] 00136


                     yaml_parser_set_scanner_error

[function] [call site] 00137


                     yaml_parser_update_buffer

[function] [call site] 00138


                     yaml_free

[function] [call site] 00139


                     yaml_free

[function] [call site] 00140


                     yaml_free

[function] [call site] 00141


                     yaml_free

[function] [call site] 00142


                   yaml_queue_extend

[function] [call site] 00143


                   yaml_token_delete

[function] [call site] 00144


                     __assert_fail

[call site] 00145


                     yaml_free

[function] [call site] 00146


                     yaml_free

[function] [call site] 00147


                     yaml_free

[function] [call site] 00148


                     yaml_free

[function] [call site] 00149


                     yaml_free

[function] [call site] 00150


                     yaml_free

[function] [call site] 00151


                     yaml_free

[function] [call site] 00152


                 yaml_parser_fetch_document_indicator

[function] [call site] 00153


                   yaml_parser_unroll_indent

[function] [call site] 00154


                   yaml_parser_remove_simple_key

[function] [call site] 00155


                   yaml_queue_extend

[function] [call site] 00156


                 yaml_parser_fetch_document_indicator

[function] [call site] 00157


                 yaml_parser_fetch_flow_collection_start

[function] [call site] 00158


                   yaml_parser_save_simple_key

[function] [call site] 00159


                     yaml_parser_remove_simple_key

[function] [call site] 00160


                   yaml_parser_increase_flow_level

[function] [call site] 00161


                     yaml_stack_extend

[function] [call site] 00162


                   yaml_queue_extend

[function] [call site] 00163


                 yaml_parser_fetch_flow_collection_start

[function] [call site] 00164


                 yaml_parser_fetch_flow_collection_end

[function] [call site] 00165


                   yaml_parser_remove_simple_key

[function] [call site] 00166


                   yaml_parser_decrease_flow_level

[function] [call site] 00167


                   yaml_queue_extend

[function] [call site] 00168


                 yaml_parser_fetch_flow_collection_end

[function] [call site] 00169


                 yaml_parser_fetch_flow_entry

[function] [call site] 00170


                   yaml_parser_remove_simple_key

[function] [call site] 00171


                   yaml_queue_extend

[function] [call site] 00172


                 yaml_parser_fetch_block_entry

[function] [call site] 00173


                   yaml_parser_set_scanner_error

[function] [call site] 00174


                   yaml_parser_roll_indent

[function] [call site] 00175


                     yaml_stack_extend

[function] [call site] 00176


                     yaml_queue_extend

[function] [call site] 00177


                     yaml_queue_extend

[function] [call site] 00178


                   yaml_parser_remove_simple_key

[function] [call site] 00179


                   yaml_queue_extend

[function] [call site] 00180


                 yaml_parser_fetch_key

[function] [call site] 00181


                   yaml_parser_set_scanner_error

[function] [call site] 00182


                   yaml_parser_roll_indent

[function] [call site] 00183


                   yaml_parser_remove_simple_key

[function] [call site] 00184


                   yaml_queue_extend

[function] [call site] 00185


                 yaml_parser_fetch_value

[function] [call site] 00186


                   yaml_queue_extend

[function] [call site] 00187


                   yaml_parser_roll_indent

[function] [call site] 00188


                   yaml_parser_set_scanner_error

[function] [call site] 00189


                   yaml_parser_roll_indent

[function] [call site] 00190


                   yaml_queue_extend

[function] [call site] 00191


                 yaml_parser_fetch_anchor

[function] [call site] 00192


                   yaml_parser_save_simple_key

[function] [call site] 00193


                   yaml_parser_scan_anchor

[function] [call site] 00194


                     yaml_malloc

[function] [call site] 00195


                     yaml_parser_update_buffer

[function] [call site] 00196


                     yaml_string_extend

[function] [call site] 00197


                     yaml_parser_update_buffer

[function] [call site] 00198


                     yaml_parser_set_scanner_error

[function] [call site] 00199


                     yaml_free

[function] [call site] 00200


                   yaml_queue_extend

[function] [call site] 00201


                   yaml_token_delete

[function] [call site] 00202


                 yaml_parser_fetch_anchor

[function] [call site] 00203


                 yaml_parser_fetch_tag

[function] [call site] 00204


                   yaml_parser_save_simple_key

[function] [call site] 00205


                   yaml_parser_scan_tag

[function] [call site] 00206


                     yaml_parser_update_buffer

[function] [call site] 00207


                     yaml_malloc

[function] [call site] 00208


                     yaml_parser_scan_tag_uri

[function] [call site] 00209


                     yaml_parser_set_scanner_error

[function] [call site] 00210


                     yaml_parser_scan_tag_handle

[function] [call site] 00211


                     strlen

[call site] 00212


                     yaml_parser_scan_tag_uri

[function] [call site] 00213


                     yaml_parser_scan_tag_uri

[function] [call site] 00214


                     yaml_free

[function] [call site] 00215


                     yaml_malloc

[function] [call site] 00216


                     yaml_parser_update_buffer

[function] [call site] 00217


                     yaml_parser_set_scanner_error

[function] [call site] 00218


                     yaml_free

[function] [call site] 00219


                     yaml_free

[function] [call site] 00220


                   yaml_queue_extend

[function] [call site] 00221


                   yaml_token_delete

[function] [call site] 00222


                 yaml_parser_fetch_block_scalar

[function] [call site] 00223


                   yaml_parser_remove_simple_key

[function] [call site] 00224


                   yaml_parser_scan_block_scalar

[function] [call site] 00225


                     yaml_malloc

[function] [call site] 00226


                     yaml_malloc

[function] [call site] 00227


                     yaml_malloc

[function] [call site] 00228


                     yaml_parser_update_buffer

[function] [call site] 00229


                     yaml_parser_update_buffer

[function] [call site] 00230


                     yaml_parser_set_scanner_error

[function] [call site] 00231


                     yaml_parser_set_scanner_error

[function] [call site] 00232


                     yaml_parser_update_buffer

[function] [call site] 00233


                     yaml_parser_update_buffer

[function] [call site] 00234


                     yaml_parser_update_buffer

[function] [call site] 00235


                     yaml_parser_update_buffer

[function] [call site] 00236


                     yaml_parser_set_scanner_error

[function] [call site] 00237


                     yaml_parser_update_buffer

[function] [call site] 00238


                     yaml_parser_scan_block_scalar_breaks

[function] [call site] 00239


                       yaml_parser_update_buffer

[function] [call site] 00240


                       yaml_parser_update_buffer

[function] [call site] 00241


                       yaml_parser_set_scanner_error

[function] [call site] 00242


                       yaml_parser_update_buffer

[function] [call site] 00243


                       yaml_string_extend

[function] [call site] 00244


                     yaml_parser_update_buffer

[function] [call site] 00245


                     yaml_string_extend

[function] [call site] 00246


                     yaml_string_join

[function] [call site] 00247


                       yaml_string_extend

[function] [call site] 00248


                     yaml_string_join

[function] [call site] 00249


                     yaml_string_extend

[function] [call site] 00250


                     yaml_parser_update_buffer

[function] [call site] 00251


                     yaml_parser_update_buffer

[function] [call site] 00252


                     yaml_string_extend

[function] [call site] 00253


                     yaml_parser_scan_block_scalar_breaks

[function] [call site] 00254


                     yaml_string_join

[function] [call site] 00255


                     yaml_string_join

[function] [call site] 00256


                     yaml_free

[function] [call site] 00257


                     yaml_free

[function] [call site] 00258


                     yaml_free

[function] [call site] 00259


                     yaml_free

[function] [call site] 00260


                     yaml_free

[function] [call site] 00261


                   yaml_queue_extend

[function] [call site] 00262


                   yaml_token_delete

[function] [call site] 00263


                 yaml_parser_fetch_block_scalar

[function] [call site] 00264


                 yaml_parser_fetch_flow_scalar

[function] [call site] 00265


                   yaml_parser_save_simple_key

[function] [call site] 00266


                   yaml_parser_scan_flow_scalar

[function] [call site] 00267


                     yaml_malloc

[function] [call site] 00268


                     yaml_malloc

[function] [call site] 00269


                     yaml_malloc

[function] [call site] 00270


                     yaml_malloc

[function] [call site] 00271


                     yaml_parser_update_buffer

[function] [call site] 00272


                     yaml_parser_set_scanner_error

[function] [call site] 00273


                     yaml_parser_set_scanner_error

[function] [call site] 00274


                     yaml_parser_update_buffer

[function] [call site] 00275


                     yaml_string_extend

[function] [call site] 00276


                     yaml_parser_update_buffer

[function] [call site] 00277


                     yaml_string_extend

[function] [call site] 00278


                     yaml_parser_set_scanner_error

[function] [call site] 00279


                     yaml_parser_update_buffer

[function] [call site] 00280


                     yaml_parser_set_scanner_error

[function] [call site] 00281


                     yaml_parser_set_scanner_error

[function] [call site] 00282


                     yaml_string_extend

[function] [call site] 00283


                     yaml_parser_update_buffer

[function] [call site] 00284


                     yaml_parser_update_buffer

[function] [call site] 00285


                     yaml_parser_update_buffer

[function] [call site] 00286


                     yaml_string_extend

[function] [call site] 00287


                     yaml_parser_update_buffer

[function] [call site] 00288


                     yaml_string_extend

[function] [call site] 00289


                     yaml_string_extend

[function] [call site] 00290


                     yaml_parser_update_buffer

[function] [call site] 00291


                     yaml_string_extend

[function] [call site] 00292


                     yaml_string_join

[function] [call site] 00293


                     yaml_string_join

[function] [call site] 00294


                     yaml_string_join

[function] [call site] 00295


                     yaml_string_join

[function] [call site] 00296


                     yaml_free

[function] [call site] 00297


                     yaml_free

[function] [call site] 00298


                     yaml_free

[function] [call site] 00299


                     yaml_free

[function] [call site] 00300


                     yaml_free

[function] [call site] 00301


                     yaml_free

[function] [call site] 00302


                     yaml_free

[function] [call site] 00303


                   yaml_queue_extend

[function] [call site] 00304


                   yaml_token_delete

[function] [call site] 00305


                 yaml_parser_fetch_flow_scalar

[function] [call site] 00306


                 yaml_parser_fetch_plain_scalar

[function] [call site] 00307


                   yaml_parser_save_simple_key

[function] [call site] 00308


                   yaml_parser_scan_plain_scalar

[function] [call site] 00309


                     yaml_malloc

[function] [call site] 00310


                     yaml_malloc

[function] [call site] 00311


                     yaml_malloc

[function] [call site] 00312


                     yaml_malloc

[function] [call site] 00313


                     yaml_parser_update_buffer

[function] [call site] 00314


                     yaml_parser_set_scanner_error

[function] [call site] 00315


                     yaml_string_extend

[function] [call site] 00316


                     yaml_string_join

[function] [call site] 00317


                     yaml_string_join

[function] [call site] 00318


                     yaml_string_join

[function] [call site] 00319


                     yaml_string_join

[function] [call site] 00320


                     yaml_string_extend

[function] [call site] 00321


                     yaml_parser_update_buffer

[function] [call site] 00322


                     yaml_parser_update_buffer

[function] [call site] 00323


                     yaml_parser_set_scanner_error

[function] [call site] 00324


                     yaml_string_extend

[function] [call site] 00325


                     yaml_parser_update_buffer

[function] [call site] 00326


                     yaml_string_extend

[function] [call site] 00327


                     yaml_string_extend

[function] [call site] 00328


                     yaml_parser_update_buffer

[function] [call site] 00329


                     yaml_free

[function] [call site] 00330


                     yaml_free

[function] [call site] 00331


                     yaml_free

[function] [call site] 00332


                     yaml_free

[function] [call site] 00333


                     yaml_free

[function] [call site] 00334


                     yaml_free

[function] [call site] 00335


                     yaml_free

[function] [call site] 00336


                   yaml_queue_extend

[function] [call site] 00337


                   yaml_token_delete

[function] [call site] 00338


                 yaml_parser_set_scanner_error

[function] [call site] 00339


           yaml_token_delete

[function] [call site] 00340


           yaml_parser_delete

[function] [call site] 00341


             __assert_fail

[call site] 00342


             yaml_free

[function] [call site] 00343


             yaml_free

[function] [call site] 00344


             yaml_token_delete

[function] [call site] 00345


             yaml_free

[function] [call site] 00346


             yaml_free

[function] [call site] 00347


             yaml_free

[function] [call site] 00348


             yaml_free

[function] [call site] 00349


             yaml_free

[function] [call site] 00350


             yaml_free

[function] [call site] 00351


             yaml_free

[function] [call site] 00352


             yaml_free

[function] [call site] 00353