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
26 115 sdallocx call site: 00115 mem_realloc
16 43 isc_mem_inuse call site: 00043 write_errno
15 25 mem_get call site: 00025 total_inuse
7 85 isc_buffer_compact call site: 00085 isc___errno2result
6 102 isc_buffer_reserve call site: 00102 isc__mem_reget
5 184 isc_lex_gettoken call site: 00184 grow_data
1 2 isc_buffer_init call site: 00002 abort
1 19 get_header_size call site: 00019 isc_assertion_failed
1 60 isc__mem_get call site: 00060 isc_tid
1 109 isc__mem_put call site: 00109 isc_tid
1 147 isc_buffer_clearmctx call site: 00147 isc__mem_put
1 152 isc_buffer_invalidate call site: 00152 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 get_header_size [function] [call site] 00018
7 get_aligned_size [function] [call site] 00019
8 isc_assertion_failed [function] [call site] 00020
6 get_aligned_size [function] [call site] 00021
6 isc_assertion_failed [function] [call site] 00022
6 aligned_alloc [call site] 00023
6 isc_assertion_failed [function] [call site] 00024
5 oom [function] [call site] 00025
6 fileno [call site] 00026
6 write_string [function] [call site] 00027
7 strlen [call site] 00028
7 write [call site] 00029
7 abort [call site] 00030
6 write_size [function] [call site] 00031
7 write_string [function] [call site] 00032
6 write_string [function] [call site] 00033
6 total_inuse [function] [call site] 00034
7 pthread_mutex_lock [call site] 00035
7 isc_string_strerror_r [function] [call site] 00036
8 __xpg_strerror_r [call site] 00037
7 isc_error_fatal [function] [call site] 00038
8 abort [call site] 00039
7 isc_mem_inuse [function] [call site] 00040
8 isc_assertion_failed [function] [call site] 00041
8 isc_tid_count [function] [call site] 00042
8 isc_assertion_failed [function] [call site] 00043
7 pthread_mutex_unlock [call site] 00044
7 isc_string_strerror_r [function] [call site] 00045
7 isc_error_fatal [function] [call site] 00046
6 write_size [function] [call site] 00047
6 write_string [function] [call site] 00048
6 __errno_location [call site] 00049
6 write_errno [function] [call site] 00050
7 isc_string_strerror_r [function] [call site] 00051
7 write_string [function] [call site] 00052
6 write_string [function] [call site] 00053
6 write_backtrace [function] [call site] 00054
7 isc_backtrace [function] [call site] 00055
8 backtrace [call site] 00056
7 isc_backtrace_symbols_fd [function] [call site] 00057
8 backtrace_symbols_fd [call site] 00058
6 abort [call site] 00059
4 mem_getstats [function] [call site] 00060
5 isc_tid [function] [call site] 00061
3 isc__mem_strdup [function] [call site] 00062
4 isc_assertion_failed [function] [call site] 00063
4 isc_assertion_failed [function] [call site] 00064
4 strlen [call site] 00065
4 isc__mem_allocate [function] [call site] 00066
5 isc_assertion_failed [function] [call site] 00067
5 mem_get [function] [call site] 00068
5 sallocx [function] [call site] 00069
6 get_size_info [function] [call site] 00070
7 get_header_size [function] [call site] 00071
5 mem_getstats [function] [call site] 00072
4 strlcpy [call site] 00073
3 isc_buffer_allocate [function] [call site] 00074
4 isc_assertion_failed [function] [call site] 00075
4 isc__mem_get [function] [call site] 00076
4 isc_buffer_init [function] [call site] 00077
4 isc_buffer_setmctx [function] [call site] 00078
5 isc_assertion_failed [function] [call site] 00079
1 isc_lex_getmastertoken [function] [call site] 00080
2 isc_lex_gettoken [function] [call site] 00081
3 isc_assertion_failed [function] [call site] 00082
3 isc_assertion_failed [function] [call site] 00083
3 isc_buffer_compact [function] [call site] 00084
4 isc_assertion_failed [function] [call site] 00085
3 flockfile [call site] 00086
3 getc_unlocked [call site] 00087
3 ferror [call site] 00088
3 __errno_location [call site] 00089
3 isc___errno2result [function] [call site] 00090
4 isc_string_strerror_r [function] [call site] 00091
4 isc_error_unexpected [function] [call site] 00092
3 pushandgrow [function] [call site] 00093
4 isc_buffer_allocate [function] [call site] 00094
4 isc_buffer_usedregion [function] [call site] 00095
5 isc_assertion_failed [function] [call site] 00096
5 isc_assertion_failed [function] [call site] 00097
4 isc_buffer_copyregion [function] [call site] 00098
5 isc_assertion_failed [function] [call site] 00099
5 isc_assertion_failed [function] [call site] 00100
5 isc_buffer_reserve [function] [call site] 00101
6 isc_assertion_failed [function] [call site] 00102
6 isc__mem_get [function] [call site] 00103
6 isc_assertion_failed [function] [call site] 00104
6 isc__mem_reget [function] [call site] 00105
7 isc_assertion_failed [function] [call site] 00106
7 isc__mem_get [function] [call site] 00107
7 isc__mem_put [function] [call site] 00108
8 mem_putstats [function] [call site] 00109
9 isc_tid [function] [call site] 00110
8 mem_put [function] [call site] 00111
9 sdallocx [function] [call site] 00112
10 get_size_info [function] [call site] 00113
10 get_header_size [function] [call site] 00114
10 isc_assertion_failed [function] [call site] 00115
10 get_aligned_size [function] [call site] 00116
10 isc_assertion_failed [function] [call site] 00117
10 free_aligned_sized [function] [call site] 00118
10 isc_assertion_failed [function] [call site] 00119
10 free_sized [function] [call site] 00120
9 mem_purge [function] [call site] 00121
10 isc_stdtime_now [function] [call site] 00122
11 clock_gettime [call site] 00123
11 __errno_location [call site] 00124
11 isc_string_strerror_r [function] [call site] 00125
11 isc_error_fatal [function] [call site] 00126
11 isc_assertion_failed [function] [call site] 00127
10 malloc_trim [call site] 00128
7 mem_putstats [function] [call site] 00129
7 mem_realloc [function] [call site] 00130
8 rallocx [function] [call site] 00131
9 get_header_size [function] [call site] 00132
9 get_size_info [function] [call site] 00133
9 isc_assertion_failed [function] [call site] 00134
9 mallocx [function] [call site] 00135
9 sdallocx [function] [call site] 00136
9 get_size_info [function] [call site] 00137
9 isc_assertion_failed [function] [call site] 00138
9 realloc [call site] 00139
8 oom [function] [call site] 00140
7 mem_getstats [function] [call site] 00141
4 isc_assertion_failed [function] [call site] 00142
4 isc_buffer_free [function] [call site] 00143
5 isc_assertion_failed [function] [call site] 00144
5 isc_assertion_failed [function] [call site] 00145
5 isc_buffer_clearmctx [function] [call site] 00146
6 isc_assertion_failed [function] [call site] 00147
6 isc__mem_put [function] [call site] 00148
5 isc_buffer_invalidate [function] [call site] 00149
6 isc_assertion_failed [function] [call site] 00150
6 isc_assertion_failed [function] [call site] 00151
6 isc_assertion_failed [function] [call site] 00152
5 isc__mem_put [function] [call site] 00153
4 isc_buffer_putuint8 [function] [call site] 00154
5 isc_assertion_failed [function] [call site] 00155
5 isc_buffer_reserve [function] [call site] 00156
3 isc_buffer_getuint8 [function] [call site] 00157
4 isc_buffer_peekuint8 [function] [call site] 00158
5 isc_assertion_failed [function] [call site] 00159
4 isc_assertion_failed [function] [call site] 00160
3 __ctype_b_loc [call site] 00161
3 pushback [function] [call site] 00162
4 isc_assertion_failed [function] [call site] 00163
3 __ctype_b_loc [call site] 00164
3 pushback [function] [call site] 00165
3 isc_parse_uint32 [function] [call site] 00166
4 __ctype_b_loc [call site] 00167
4 __errno_location [call site] 00168
4 __isoc23_strtoul [call site] 00169
4 __errno_location [call site] 00170
3 grow_data [function] [call site] 00171
4 isc__mem_get [function] [call site] 00172
4 isc__mem_put [function] [call site] 00173
3 isc_assertion_failed [function] [call site] 00174
3 grow_data [function] [call site] 00175
3 isc_assertion_failed [function] [call site] 00176
3 pushback [function] [call site] 00177
3 grow_data [function] [call site] 00178
3 isc_assertion_failed [function] [call site] 00179
3 pushback [function] [call site] 00180
3 isc_assertion_failed [function] [call site] 00181
3 pushback [function] [call site] 00182
3 grow_data [function] [call site] 00183
3 isc_assertion_failed [function] [call site] 00184
3 isc_assertion_failed [function] [call site] 00185
3 grow_data [function] [call site] 00186
3 isc_assertion_failed [function] [call site] 00187
3 isc_error_fatal [function] [call site] 00188
3 funlockfile [call site] 00189
2 isc_lex_ungettoken [function] [call site] 00190
3 isc_assertion_failed [function] [call site] 00191
3 isc_assertion_failed [function] [call site] 00192
3 isc_assertion_failed [function] [call site] 00193
3 isc_assertion_failed [function] [call site] 00194
3 isc_buffer_first [function] [call site] 00195
4 isc_assertion_failed [function] [call site] 00196
2 isc_lex_ungettoken [function] [call site] 00197