Fuzz introspector: fuzz_buffer.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
226 0 EP call site: {node_id} buf_chomp

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_random_init [call site] 00001
1 fuzz_randomizer_get_int [call site] 00004
1 fuzz_randomizer_get_int [call site] 00005
1 fuzz_randomizer_get_int [call site] 00006
1 alloc_buf_gc [call site] 00007
1 get_random_string [call site] 00008
1 string_alloc_buf [call site] 00009
1 free [call site] 00010
1 fuzz_randomizer_get_int [call site] 00011
1 buf_clear [function] [call site] 00012
2 secure_memzero [function] [call site] 00013
3 SecureZeroMemory [call site] 00014
3 memset [call site] 00015
1 clone_buf [call site] 00016
1 free_buf [function] [call site] 00017
2 free [call site] 00018
2 CLEAR [call site] 00019
1 buf_defined [function] [call site] 00020
1 buf_valid [function] [call site] 00021
2 likely [call site] 00022
2 likely [call site] 00023
1 fuzz_randomizer_get_int [call site] 00037
1 buf_rmtail [function] [call site] 00038
2 BLAST [call site] 00039
1 buf_chomp [function] [call site] 00040
2 BLAST [call site] 00041
2 char_class [function] [call site] 00042
3 isalnum [call site] 00043
3 isalpha [call site] 00044
3 isascii [call site] 00045
3 iscntrl [call site] 00046
3 isdigit [call site] 00047
3 ispunct [call site] 00048
3 isspace [call site] 00049
3 isxdigit [call site] 00050
2 buf_inc_len [function] [call site] 00051
3 buf_safe_bidir [function] [call site] 00052
4 buf_valid [function] [call site] 00053
4 buf_size_valid_signed [function] [call site] 00054
5 likely [call site] 00055
5 likely [call site] 00056
2 buf_null_terminate [function] [call site] 00057
3 BLAST [call site] 00058
3 buf_safe [function] [call site] 00059
4 buf_valid [function] [call site] 00060
4 buf_size_valid [function] [call site] 00061
5 likely [call site] 00062
3 buf_inc_len [function] [call site] 00063
3 buf_write_u8 [function] [call site] 00064
4 buf_write [function] [call site] 00065
5 buf_write_alloc [function] [call site] 00066
6 BPTR [call site] 00068
5 memcpy [call site] 00069
1 get_random_string [call site] 00070
1 skip_leading_whitespace [function] [call site] 00071
1 free [call site] 00072
1 get_random_string [call site] 00073
1 chomp [function] [call site] 00074
2 rm_trailing_chars [function] [call site] 00075
3 strlen [call site] 00076
3 strchr [call site] 00077
1 free [call site] 00078
1 get_random_string [call site] 00079
1 get_random_string [call site] 00080
1 rm_trailing_chars [function] [call site] 00081
1 free [call site] 00082
1 free [call site] 00083
1 get_random_string [call site] 00084
1 string_clear [function] [call site] 00085
2 secure_memzero [function] [call site] 00086
2 strlen [call site] 00087
1 free [call site] 00088
1 get_random_string [call site] 00089
1 buf_string_match_head_str [function] [call site] 00090
2 strlen [call site] 00091
2 memcmp [call site] 00092
2 BPTR [call site] 00093
1 free [call site] 00094
1 get_random_string [call site] 00095
1 buf_string_compare_advance [function] [call site] 00096
2 buf_string_match_head_str [function] [call site] 00097
2 buf_advance [function] [call site] 00098
3 buf_valid [function] [call site] 00099
2 strlen [call site] 00100
1 free [call site] 00101
1 fuzz_randomizer_get_int [call site] 00102
1 get_random_string [call site] 00103
1 strlen [call site] 00104
1 buf_parse [function] [call site] 00105
2 ASSERT [call site] 00106
2 buf_read_u8 [function] [call site] 00107
3 BLEN [call site] 00108
3 BPTR [call site] 00109
3 buf_advance [function] [call site] 00110
2 strlen [call site] 00111
1 strlen [call site] 00112
1 free [call site] 00113
1 get_random_string [call site] 00114
1 string_mod [function] [call site] 00115
2 ASSERT [call site] 00116
2 char_inc_exc [function] [call site] 00117
3 char_class [function] [call site] 00118
3 char_class [function] [call site] 00119
1 fuzz_randomizer_get_int [call site] 00120
1 fuzz_randomizer_get_int [call site] 00121
1 fuzz_randomizer_get_int [call site] 00122
1 free [call site] 00123
1 get_random_string [call site] 00124
1 fuzz_randomizer_get_int [call site] 00125
1 string_replace_leading [function] [call site] 00126
2 ASSERT [call site] 00127
1 fuzz_randomizer_get_int [call site] 00128
1 free [call site] 00129
1 get_random_string [call site] 00130
1 buf_write [function] [call site] 00131
1 strlen [call site] 00132
1 free [call site] 00133
1 get_random_string [call site] 00134
1 buf_write_prepend [function] [call site] 00135
2 buf_prepend [function] [call site] 00136
3 buf_valid [function] [call site] 00137
3 BPTR [call site] 00138
2 memcpy [call site] 00139
1 strlen [call site] 00140
1 free [call site] 00141
1 buf_write_u8 [function] [call site] 00142
1 fuzz_randomizer_get_int [call site] 00143
1 buf_write_u16 [function] [call site] 00144
2 htons [call site] 00145
2 buf_write [function] [call site] 00146
1 fuzz_randomizer_get_int [call site] 00147
1 buf_write_u32 [function] [call site] 00148
2 htonl [call site] 00149
2 buf_write [function] [call site] 00150
1 fuzz_randomizer_get_int [call site] 00151
1 get_random_string [call site] 00152
1 buf_catrunc [function] [call site] 00153
2 buf_forward_capacity [function] [call site] 00154
3 buf_valid [function] [call site] 00155
2 strlen [call site] 00156
2 buf_forward_capacity_total [function] [call site] 00157
3 buf_valid [function] [call site] 00158
2 memcpy [call site] 00159
1 free [call site] 00160
1 convert_to_one_line [call site] 00161
1 buf_advance [function] [call site] 00162
1 fuzz_randomizer_get_int [call site] 00163
1 buf_prepend [function] [call site] 00164
1 fuzz_randomizer_get_int [call site] 00165
1 buf_reverse_capacity [function] [call site] 00166
2 buf_valid [function] [call site] 00167
1 buf_forward_capacity_total [function] [call site] 00168
1 buf_forward_capacity [function] [call site] 00169
1 get_random_string [call site] 00170
1 buf_puts [function] [call site] 00171
2 BEND [call site] 00172
2 buf_forward_capacity [function] [call site] 00173
2 strncpynt [function] [call site] 00174
3 strncpy [call site] 00175
2 strlen [call site] 00176
1 free [call site] 00177
1 buffer_list_new [function] [call site] 00178
2 ALLOC_OBJ_CLEAR [call site] 00179
1 fuzz_randomizer_get_int [call site] 00180
1 buffer_list_free [function] [call site] 00181
2 buffer_list_reset [function] [call site] 00182
3 free [call site] 00184
2 free [call site] 00185
1 buffer_list_defined [function] [call site] 00186
1 get_random_string [call site] 00187
1 strlen [call site] 00188
1 buffer_list_push [function] [call site] 00189
2 strlen [call site] 00190
2 buffer_list_push_data [function] [call site] 00191
3 ALLOC_OBJ_CLEAR [call site] 00192
3 ASSERT [call site] 00193
3 ASSERT [call site] 00194
3 alloc_buf [call site] 00195
3 memcpy [call site] 00196
1 free [call site] 00197
1 buffer_list_peek [function] [call site] 00198
1 buffer_list_pop [function] [call site] 00199
2 free [call site] 00201
1 get_random_string [call site] 00202
1 buffer_list_aggregate_separator [function] [call site] 00203
2 strlen [call site] 00204
2 BLEN [call site] 00205
2 ALLOC_OBJ_CLEAR [call site] 00206
2 alloc_buf [call site] 00207
2 buf_copy [function] [call site] 00208
3 buf_write [function] [call site] 00209
3 BPTR [call site] 00210
3 BLEN [call site] 00211
2 buf_write [function] [call site] 00212
2 free [call site] 00214
1 fuzz_randomizer_get_int [call site] 00215
1 free [call site] 00216
1 buffer_list_aggregate [function] [call site] 00217
2 buffer_list_aggregate_separator [function] [call site] 00218
1 fuzz_randomizer_get_int [call site] 00219
1 buffer_list_free [function] [call site] 00220
1 gc_free [function] [call site] 00221
2 x_gc_free [function] [call site] 00222
3 free [call site] 00223
2 x_gc_freespecial [function] [call site] 00224
3 free [call site] 00225
1 fuzz_random_destroy [call site] 00226