Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
12	2483	5 : View List ['_pcre2_is_newline_8', 'memchr', '_pcre2_valid_utf_8', '_pcre2_was_newline_8', 'match']	12	2483	pcre2_match_8	call site: 00193	/src/pcre2/src/pcre2_match.c:6699
2	2	1 : View List ['_pcre2_strlen_8']	14	2485	pcre2_match_8	call site: 00191	/src/pcre2/src/pcre2_match.c:6401
2	2	1 : View List ['_pcre2_strlen_8']	14	1623	pcre2_dfa_match_8	call site: 00241	/src/pcre2/src/pcre2_dfa_match.c:3363
2	2	1 : View List ['_pcre2_strlen_8']	2	2336	pcre2_compile_8	call site: 00004	/src/pcre2/src/pcre2_compile.c:10008
0	1057	12 : View List ['manage_callouts', 'read_name', '_pcre2_strncmp_8', 'get_ucp', 'check_posix_syntax', '_pcre2_check_escape_8', 'check_posix_name', 'read_number', 'read_repeat_counts', '_pcre2_is_newline_8', '_pcre2_strncmp_c8_8', 'handle_escdsw']	0	1057	parse_regex	call site: 00021	/src/pcre2/src/pcre2_compile.c:3108
0	1057	12 : View List ['manage_callouts', 'read_name', '_pcre2_strncmp_8', 'get_ucp', 'check_posix_syntax', '_pcre2_check_escape_8', 'check_posix_name', 'read_number', 'read_repeat_counts', '_pcre2_is_newline_8', '_pcre2_strncmp_c8_8', 'handle_escdsw']	0	1057	parse_regex	call site: 00044	/src/pcre2/src/pcre2_compile.c:3663
0	6	1 : View List ['pcre2_code_free_8']	0	6	pcre2_compile_8	call site: 00146	/src/pcre2/src/pcre2_compile.c:10718
0	0	None	12	2483	pcre2_match_8	call site: 00192	/src/pcre2/src/pcre2_match.c:6476
0	0	None	12	2483	pcre2_match_8	call site: 00192	/src/pcre2/src/pcre2_match.c:6626
0	0	None	12	2453	pcre2_match_8	call site: 00193	/src/pcre2/src/pcre2_match.c:6731
0	0	None	12	2453	pcre2_match_8	call site: 00193	/src/pcre2/src/pcre2_match.c:6852
0	0	None	12	2453	pcre2_match_8	call site: 00203	/src/pcre2/src/pcre2_match.c:7284

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           srand

[call site] 00001


           rand

[call site] 00002


           rand

[call site] 00003


           pcre2_compile_8

[function] [call site] 00004


             _pcre2_strlen_8

[function] [call site] 00005


             _pcre2_strncmp_c8_8

[function] [call site] 00006


             _pcre2_valid_utf_8

[function] [call site] 00007


             parse_regex

[function] [call site] 00008


               manage_callouts

[function] [call site] 00009


               manage_callouts

[function] [call site] 00010


               _pcre2_check_escape_8

[function] [call site] 00011


                 read_repeat_counts

[function] [call site] 00012


                   read_number

[function] [call site] 00013


                   read_number

[function] [call site] 00014


                 read_number

[function] [call site] 00015


                 read_number

[function] [call site] 00016


                 read_number

[function] [call site] 00017


               _pcre2_is_newline_8

[function] [call site] 00018


               read_repeat_counts

[function] [call site] 00019


               manage_callouts

[function] [call site] 00020


               _pcre2_check_escape_8

[function] [call site] 00021


               handle_escdsw

[function] [call site] 00022


               get_ucp

[function] [call site] 00023


                 __ctype_b_loc

[call site] 00024


                 tolower

[call site] 00025


                 tolower

[call site] 00026


                 _pcre2_strcmp_c8_8

[function] [call site] 00027


                 _pcre2_strcmp_c8_8

[function] [call site] 00028


                 _pcre2_strcmp_c8_8

[function] [call site] 00029


                 _pcre2_strcmp_c8_8

[function] [call site] 00030


                 _pcre2_strcmp_c8_8

[function] [call site] 00031


                 _pcre2_strcmp_c8_8

[function] [call site] 00032


                 _pcre2_strcmp_c8_8

[function] [call site] 00033


               read_number

[function] [call site] 00034


               read_name

[function] [call site] 00035


               read_repeat_counts

[function] [call site] 00036


               _pcre2_strncmp_c8_8

[function] [call site] 00037


               _pcre2_strncmp_c8_8

[function] [call site] 00038


               check_posix_syntax

[function] [call site] 00039


               _pcre2_strncmp_c8_8

[function] [call site] 00040


               check_posix_syntax

[function] [call site] 00041


               check_posix_name

[function] [call site] 00042


                 _pcre2_strncmp_c8_8

[function] [call site] 00043


               _pcre2_check_escape_8

[function] [call site] 00044


               handle_escdsw

[function] [call site] 00045


               get_ucp

[function] [call site] 00046


               read_name

[function] [call site] 00047


               _pcre2_strncmp_c8_8

[function] [call site] 00048


               read_name

[function] [call site] 00049


               _pcre2_strncmp_c8_8

[function] [call site] 00050


               read_name

[function] [call site] 00051


               read_number

[function] [call site] 00052


               read_name

[function] [call site] 00053


               read_number

[function] [call site] 00054


               _pcre2_strncmp_c8_8

[function] [call site] 00055


               read_number

[function] [call site] 00056


               read_name

[function] [call site] 00057


               _pcre2_strncmp_c8_8

[function] [call site] 00058


               read_name

[function] [call site] 00059


               _pcre2_strncmp_8

[function] [call site] 00060


               manage_callouts

[function] [call site] 00061


             check_lookbehinds

[function] [call site] 00062


               set_lookbehind_lengths

[function] [call site] 00063


                 get_branchlength

[function] [call site] 00064


                   parsed_skip

[function] [call site] 00065


                   parsed_skip

[function] [call site] 00066


                   check_lookbehinds

[function] [call site] 00067


                   set_lookbehind_lengths

[function] [call site] 00068


                   _pcre2_strncmp_8

[function] [call site] 00069


                   parsed_skip

[function] [call site] 00070


                   get_grouplength

[function] [call site] 00071


                     parsed_skip

[function] [call site] 00072


                     get_branchlength

[function] [call site] 00073


                       parsed_skip

[function] [call site] 00074


                       get_grouplength

[function] [call site] 00075


             compile_regex

[function] [call site] 00076


               compile_branch

[function] [call site] 00077


                 _pcre2_ord2utf_8

[function] [call site] 00078


                 add_list_to_class

[function] [call site] 00079


                   add_to_class_internal

[function] [call site] 00080


                     get_othercase_range

[function] [call site] 00081


                     add_list_to_class_internal

[function] [call site] 00082


                       add_to_class_internal

[function] [call site] 00083


                         add_to_class_internal

[function] [call site] 00084


                           _pcre2_ord2utf_8

[function] [call site] 00085


                           _pcre2_ord2utf_8

[function] [call site] 00086


                           _pcre2_ord2utf_8

[function] [call site] 00087


                 add_not_list_to_class

[function] [call site] 00088


                   add_to_class

[function] [call site] 00089


                     add_to_class_internal

[function] [call site] 00090


                   add_to_class

[function] [call site] 00091


                 add_list_to_class

[function] [call site] 00092


                 add_not_list_to_class

[function] [call site] 00093


                 add_to_class

[function] [call site] 00094


                 add_to_class

[function] [call site] 00095


                 _pcre2_ord2utf_8

[function] [call site] 00096


                 _pcre2_ord2utf_8

[function] [call site] 00097


                 _pcre2_ord2utf_8

[function] [call site] 00098


                 _pcre2_strncmp_8

[function] [call site] 00099


                 find_dupname_details

[function] [call site] 00100


                   _pcre2_strncmp_8

[function] [call site] 00101


                   _pcre2_strncmp_8

[function] [call site] 00102


                 compile_regex

[function] [call site] 00103


                 _pcre2_strncmp_8

[function] [call site] 00104


                 find_dupname_details

[function] [call site] 00105


                 _pcre2_ckd_smul

[function] [call site] 00106


                 _pcre2_ckd_smul

[function] [call site] 00107


                 _pcre2_ckd_smul

[function] [call site] 00108


                 _pcre2_ord2utf_8

[function] [call site] 00109


             add_name_to_table

[function] [call site] 00110


               memcmp

[call site] 00111


             compile_regex

[function] [call site] 00112


             find_recurse

[function] [call site] 00113


             _pcre2_find_bracket_8

[function] [call site] 00114


             find_recurse

[function] [call site] 00115


             _pcre2_auto_possessify_8

[function] [call site] 00116


               get_repeat_base

[function] [call site] 00117


               get_chr_property_list

[function] [call site] 00118


                 get_repeat_base

[function] [call site] 00119


               compare_opcodes

[function] [call site] 00120


                 compare_opcodes

[function] [call site] 00121


                   compare_opcodes

[function] [call site] 00122


                     get_chr_property_list

[function] [call site] 00123


                     check_char_prop

[function] [call site] 00124


                     _pcre2_xclass_8

[function] [call site] 00125


               get_chr_property_list

[function] [call site] 00126


               compare_opcodes

[function] [call site] 00127


             is_anchored

[function] [call site] 00128


               first_significant_code

[function] [call site] 00129


               is_anchored

[function] [call site] 00130


                 is_anchored

[function] [call site] 00131


                   is_anchored

[function] [call site] 00132


                     is_anchored

[function] [call site] 00133


                       is_anchored

[function] [call site] 00134


             find_firstassertedcu

[function] [call site] 00135


               first_significant_code

[function] [call site] 00136


               find_firstassertedcu

[function] [call site] 00137


             is_startline

[function] [call site] 00138


               first_significant_code

[function] [call site] 00139


               is_startline

[function] [call site] 00140


                 first_significant_code

[function] [call site] 00141


                 is_startline

[function] [call site] 00142


                   is_startline

[function] [call site] 00143


                     is_startline

[function] [call site] 00144


                       is_startline

[function] [call site] 00145


             _pcre2_study_8

[function] [call site] 00146


               set_start_bits

[function] [call site] 00147


                 _pcre2_ord2utf_8

[function] [call site] 00148


                 set_start_bits

[function] [call site] 00149


                   set_start_bits

[function] [call site] 00150


                     set_table_bit

[function] [call site] 00151


                       _pcre2_ord2utf_8

[function] [call site] 00152


                     set_table_bit

[function] [call site] 00153


                     set_table_bit

[function] [call site] 00154


                     set_table_bit

[function] [call site] 00155


                     set_table_bit

[function] [call site] 00156


                     set_table_bit

[function] [call site] 00157


                     set_nottype_bits

[function] [call site] 00158


                     set_type_bits

[function] [call site] 00159


                       _pcre2_ord2utf_8

[function] [call site] 00160


                     set_nottype_bits

[function] [call site] 00161


                     set_type_bits

[function] [call site] 00162


                     set_nottype_bits

[function] [call site] 00163


                     set_type_bits

[function] [call site] 00164


                     set_nottype_bits

[function] [call site] 00165


                     set_type_bits

[function] [call site] 00166


                     set_nottype_bits

[function] [call site] 00167


                     set_type_bits

[function] [call site] 00168


                     set_nottype_bits

[function] [call site] 00169


                     set_type_bits

[function] [call site] 00170


               find_minlength

[function] [call site] 00171


                 find_minlength

[function] [call site] 00172


                   find_minlength

[function] [call site] 00173


                     _pcre2_find_bracket_8

[function] [call site] 00174


                     _pcre2_find_bracket_8

[function] [call site] 00175


                     find_minlength

[function] [call site] 00176


                       _pcre2_find_bracket_8

[function] [call site] 00177


                       _pcre2_find_bracket_8

[function] [call site] 00178


                       find_minlength

[function] [call site] 00179


                         find_minlength

[function] [call site] 00180


             pcre2_code_free_8

[function] [call site] 00181


           pcre2_match_data_create_8

[function] [call site] 00182


             _pcre2_memctl_malloc_8

[function] [call site] 00183


               default_malloc

[function] [call site] 00184


               default_free

[function] [call site] 00185


           pcre2_match_context_create_8

[function] [call site] 00186


             _pcre2_memctl_malloc_8

[function] [call site] 00187


           pcre2_set_depth_limit_8

[function] [call site] 00188


           pcre2_set_callout_8

[function] [call site] 00189


           callout_function

[function] [call site] 00190


           pcre2_match_8

[function] [call site] 00191


             _pcre2_strlen_8

[function] [call site] 00192


             _pcre2_valid_utf_8

[function] [call site] 00193


             _pcre2_is_newline_8

[function] [call site] 00194


             _pcre2_is_newline_8

[function] [call site] 00195


             memchr

[call site] 00196


             memchr

[call site] 00197


             memchr

[call site] 00198


             _pcre2_was_newline_8

[function] [call site] 00199


             _pcre2_was_newline_8

[function] [call site] 00200


             memchr

[call site] 00201


             memchr

[call site] 00202


             memchr

[call site] 00203


             match

[function] [call site] 00204


               _pcre2_is_newline_8

[function] [call site] 00205


               _pcre2_ord2utf_8

[function] [call site] 00206


               memcmp

[call site] 00207


               memcmp

[call site] 00208


               memcmp

[call site] 00209


               memcmp

[call site] 00210


               memcmp

[call site] 00211


               memcmp

[call site] 00212


               _pcre2_xclass_8

[function] [call site] 00213


               _pcre2_xclass_8

[function] [call site] 00214


               _pcre2_xclass_8

[function] [call site] 00215


               _pcre2_extuni_8

[function] [call site] 00216


               _pcre2_extuni_8

[function] [call site] 00217


               _pcre2_is_newline_8

[function] [call site] 00218


               _pcre2_is_newline_8

[function] [call site] 00219


               _pcre2_extuni_8

[function] [call site] 00220


               _pcre2_is_newline_8

[function] [call site] 00221


               _pcre2_is_newline_8

[function] [call site] 00222


               _pcre2_extuni_8

[function] [call site] 00223


               _pcre2_is_newline_8

[function] [call site] 00224


               _pcre2_is_newline_8

[function] [call site] 00225


               match_ref

[function] [call site] 00226


                 memcmp

[call site] 00227


               match_ref

[function] [call site] 00228


               match_ref

[function] [call site] 00229


               match_ref

[function] [call site] 00230


               match_ref

[function] [call site] 00231


               do_callout

[function] [call site] 00232


               do_callout

[function] [call site] 00233


               _pcre2_script_run_8

[function] [call site] 00234


               _pcre2_is_newline_8

[function] [call site] 00235


               _pcre2_was_newline_8

[function] [call site] 00236


               _pcre2_is_newline_8

[function] [call site] 00237


               _pcre2_strcmp_8

[function] [call site] 00238


             _pcre2_is_newline_8

[function] [call site] 00239


             _pcre2_valid_utf_8

[function] [call site] 00240


           pcre2_dfa_match_8

[function] [call site] 00241


             _pcre2_strlen_8

[function] [call site] 00242


             _pcre2_valid_utf_8

[function] [call site] 00243


             _pcre2_is_newline_8

[function] [call site] 00244


             _pcre2_is_newline_8

[function] [call site] 00245


             memchr

[call site] 00246


             memchr

[call site] 00247


             memchr

[call site] 00248


             _pcre2_was_newline_8

[function] [call site] 00249


             _pcre2_was_newline_8

[function] [call site] 00250


             memchr

[call site] 00251


             memchr

[call site] 00252


             memchr

[call site] 00253


             internal_dfa_match

[function] [call site] 00254


               _pcre2_was_newline_8

[function] [call site] 00255


               _pcre2_is_newline_8

[function] [call site] 00256


               _pcre2_is_newline_8

[function] [call site] 00257


               _pcre2_is_newline_8

[function] [call site] 00258


               _pcre2_is_newline_8

[function] [call site] 00259


               _pcre2_is_newline_8

[function] [call site] 00260


               _pcre2_is_newline_8

[function] [call site] 00261


               _pcre2_is_newline_8

[function] [call site] 00262


               _pcre2_is_newline_8

[function] [call site] 00263


               _pcre2_is_newline_8

[function] [call site] 00264


               _pcre2_is_newline_8

[function] [call site] 00265


               _pcre2_extuni_8

[function] [call site] 00266


               _pcre2_extuni_8

[function] [call site] 00267


               _pcre2_extuni_8

[function] [call site] 00268


               _pcre2_extuni_8

[function] [call site] 00269


               _pcre2_xclass_8

[function] [call site] 00270


               more_workspace

[function] [call site] 00271


               internal_dfa_match

[function] [call site] 00272


                 do_callout_dfa

[function] [call site] 00273


                 more_workspace

[function] [call site] 00274


                 internal_dfa_match

[function] [call site] 00275


                   more_workspace

[function] [call site] 00276


                   internal_dfa_match

[function] [call site] 00277


                     more_workspace

[function] [call site] 00278


                     internal_dfa_match

[function] [call site] 00279


                       more_workspace

[function] [call site] 00280


                       internal_dfa_match

[function] [call site] 00281


                         do_callout_dfa

[function] [call site] 00282


             _pcre2_is_newline_8

[function] [call site] 00283


           pcre2_code_free_8

[function] [call site] 00284


           pcre2_get_error_message_8

[function] [call site] 00285


           strstr

[call site] 00286


           pcre2_match_data_free_8

[function] [call site] 00287


           pcre2_match_context_free_8

[function] [call site] 00288