Fuzz introspector: isc_lex_getmastertoken_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
16 37 isc_mem_inuse call site: 00037 write_errno
15 19 mem_get call site: 00019 total_inuse
7 78 isc_buffer_compact call site: 00078 isc___errno2result
6 95 isc_buffer_reserve call site: 00095 isc__mem_reget
5 158 isc_lex_gettoken call site: 00158 grow_data
2 106 mem_put call site: 00106 mem_realloc
1 2 isc_buffer_init call site: 00002 abort
1 54 isc__mem_get call site: 00054 isc_tid
1 103 isc__mem_put call site: 00103 isc_tid
1 114 mem_realloc call site: 00114 mem_getstats
1 121 isc_buffer_clearmctx call site: 00121 isc__mem_put
1 126 isc_buffer_invalidate call site: 00126 isc__mem_put

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 isc_buffer_init [function] [call site] 00001
2 isc_assertion_failed [function] [call site] 00002
3 abort [call site] 00003
1 isc_buffer_add [function] [call site] 00004
2 isc_assertion_failed [function] [call site] 00005
2 isc_assertion_failed [function] [call site] 00006
1 isc_buffer_setactive [function] [call site] 00007
2 isc_assertion_failed [function] [call site] 00008
2 isc_assertion_failed [function] [call site] 00009
1 isc_lex_openbuffer [function] [call site] 00010
2 isc_assertion_failed [function] [call site] 00011
2 snprintf [call site] 00012
2 new_source [function] [call site] 00013
3 isc__mem_get [function] [call site] 00014
4 isc_assertion_failed [function] [call site] 00015
4 mem_get [function] [call site] 00016
5 mallocx [function] [call site] 00017
6 isc_assertion_failed [function] [call site] 00018
5 oom [function] [call site] 00019
6 fileno [call site] 00020
6 write_string [function] [call site] 00021
7 strlen [call site] 00022
7 write [call site] 00023
7 abort [call site] 00024
6 write_size [function] [call site] 00025
7 write_string [function] [call site] 00026
6 write_string [function] [call site] 00027
6 total_inuse [function] [call site] 00028
7 pthread_mutex_lock [call site] 00029
7 isc_string_strerror_r [function] [call site] 00030
8 __xpg_strerror_r [call site] 00031
7 isc_error_fatal [function] [call site] 00032
8 abort [call site] 00033
7 isc_mem_inuse [function] [call site] 00034
8 isc_assertion_failed [function] [call site] 00035
8 isc_tid_count [function] [call site] 00036
8 isc_assertion_failed [function] [call site] 00037
7 pthread_mutex_unlock [call site] 00038
7 isc_string_strerror_r [function] [call site] 00039
7 isc_error_fatal [function] [call site] 00040
6 write_size [function] [call site] 00041
6 write_string [function] [call site] 00042
6 __errno_location [call site] 00043
6 write_errno [function] [call site] 00044
7 isc_string_strerror_r [function] [call site] 00045
7 write_string [function] [call site] 00046
6 write_string [function] [call site] 00047
6 write_backtrace [function] [call site] 00048
7 isc_backtrace [function] [call site] 00049
8 backtrace [call site] 00050
7 isc_backtrace_symbols_fd [function] [call site] 00051
8 backtrace_symbols_fd [call site] 00052
6 abort [call site] 00053
4 mem_getstats [function] [call site] 00054
5 isc_tid [function] [call site] 00055
3 isc__mem_strdup [function] [call site] 00056
4 isc_assertion_failed [function] [call site] 00057
4 isc_assertion_failed [function] [call site] 00058
4 strlen [call site] 00059
4 isc__mem_allocate [function] [call site] 00060
5 isc_assertion_failed [function] [call site] 00061
5 mem_get [function] [call site] 00062
5 sallocx [function] [call site] 00063
6 malloc_usable_size [call site] 00064
5 mem_getstats [function] [call site] 00065
4 strlcpy [call site] 00066
3 isc_buffer_allocate [function] [call site] 00067
4 isc_assertion_failed [function] [call site] 00068
4 isc__mem_get [function] [call site] 00069
4 isc_buffer_init [function] [call site] 00070
4 isc_buffer_setmctx [function] [call site] 00071
5 isc_assertion_failed [function] [call site] 00072
1 isc_lex_getmastertoken [function] [call site] 00073
2 isc_lex_gettoken [function] [call site] 00074
3 isc_assertion_failed [function] [call site] 00075
3 isc_assertion_failed [function] [call site] 00076
3 isc_buffer_compact [function] [call site] 00077
4 isc_assertion_failed [function] [call site] 00078
3 flockfile [call site] 00079
3 getc_unlocked [call site] 00080
3 ferror [call site] 00081
3 __errno_location [call site] 00082
3 isc___errno2result [function] [call site] 00083
4 isc_string_strerror_r [function] [call site] 00084
4 isc_error_unexpected [function] [call site] 00085
3 pushandgrow [function] [call site] 00086
4 isc_buffer_allocate [function] [call site] 00087
4 isc_buffer_usedregion [function] [call site] 00088
5 isc_assertion_failed [function] [call site] 00089
5 isc_assertion_failed [function] [call site] 00090
4 isc_buffer_copyregion [function] [call site] 00091
5 isc_assertion_failed [function] [call site] 00092
5 isc_assertion_failed [function] [call site] 00093
5 isc_buffer_reserve [function] [call site] 00094
6 isc_assertion_failed [function] [call site] 00095
6 isc__mem_get [function] [call site] 00096
6 isc_assertion_failed [function] [call site] 00097
6 isc__mem_reget [function] [call site] 00098
7 isc_assertion_failed [function] [call site] 00099
7 isc__mem_get [function] [call site] 00100
7 isc__mem_put [function] [call site] 00101
8 isc_assertion_failed [function] [call site] 00102
8 mem_putstats [function] [call site] 00103
9 isc_tid [function] [call site] 00104
8 mem_put [function] [call site] 00105
9 sdallocx [function] [call site] 00106
7 mem_putstats [function] [call site] 00107
7 mem_realloc [function] [call site] 00108
8 rallocx [function] [call site] 00109
9 isc_assertion_failed [function] [call site] 00110
9 isc_assertion_failed [function] [call site] 00111
9 realloc [call site] 00112
9 isc_assertion_failed [function] [call site] 00113
8 oom [function] [call site] 00114
7 mem_getstats [function] [call site] 00115
4 isc_assertion_failed [function] [call site] 00116
4 isc_buffer_free [function] [call site] 00117
5 isc_assertion_failed [function] [call site] 00118
5 isc_assertion_failed [function] [call site] 00119
5 isc_buffer_clearmctx [function] [call site] 00120
6 isc_assertion_failed [function] [call site] 00121
6 isc__mem_put [function] [call site] 00122
5 isc_buffer_invalidate [function] [call site] 00123
6 isc_assertion_failed [function] [call site] 00124
6 isc_assertion_failed [function] [call site] 00125
6 isc_assertion_failed [function] [call site] 00126
5 isc__mem_put [function] [call site] 00127
4 isc_buffer_putuint8 [function] [call site] 00128
5 isc_assertion_failed [function] [call site] 00129
5 isc_buffer_reserve [function] [call site] 00130
3 isc_buffer_getuint8 [function] [call site] 00131
4 isc_buffer_peekuint8 [function] [call site] 00132
5 isc_assertion_failed [function] [call site] 00133
4 isc_assertion_failed [function] [call site] 00134
3 __ctype_b_loc [call site] 00135
3 pushback [function] [call site] 00136
4 isc_assertion_failed [function] [call site] 00137
3 __ctype_b_loc [call site] 00138
3 pushback [function] [call site] 00139
3 isc_parse_uint32 [function] [call site] 00140
4 __ctype_b_loc [call site] 00141
4 __errno_location [call site] 00142
4 __isoc23_strtoul [call site] 00143
4 __errno_location [call site] 00144
3 grow_data [function] [call site] 00145
4 isc__mem_get [function] [call site] 00146
4 isc__mem_put [function] [call site] 00147
3 isc_assertion_failed [function] [call site] 00148
3 grow_data [function] [call site] 00149
3 isc_assertion_failed [function] [call site] 00150
3 pushback [function] [call site] 00151
3 grow_data [function] [call site] 00152
3 isc_assertion_failed [function] [call site] 00153
3 pushback [function] [call site] 00154
3 isc_assertion_failed [function] [call site] 00155
3 pushback [function] [call site] 00156
3 grow_data [function] [call site] 00157
3 isc_assertion_failed [function] [call site] 00158
3 isc_assertion_failed [function] [call site] 00159
3 grow_data [function] [call site] 00160
3 isc_assertion_failed [function] [call site] 00161
3 isc_error_fatal [function] [call site] 00162
3 funlockfile [call site] 00163
2 isc_lex_ungettoken [function] [call site] 00164
3 isc_assertion_failed [function] [call site] 00165
3 isc_assertion_failed [function] [call site] 00166
3 isc_assertion_failed [function] [call site] 00167
3 isc_assertion_failed [function] [call site] 00168
3 isc_buffer_first [function] [call site] 00169
4 isc_assertion_failed [function] [call site] 00170
2 isc_lex_ungettoken [function] [call site] 00171