Fuzz introspector: glib/fuzzing/fuzz_uuid_string_is_valid.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
249 1 LLVMFuzzerTestOneInput call site: {node_id} g_logv
10 251 LLVMFuzzerTestOneInput call site: {node_id} g_uuid_string_is_valid

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_set_logging_func [function] [call site] 00001
2 g_log_set_writer_func [function] [call site] 00002
3 g_return_if_fail [call site] 00003
3 g_mutex_lock [function] [call site] 00004
4 g_mutex_lock_impl [call site] 00005
3 g_mutex_unlock [function] [call site] 00006
4 g_mutex_unlock_impl [call site] 00007
3 g_error [function] [call site] 00008
4 va_start [call site] 00009
4 g_logv [function] [call site] 00010
5 _g_vsnprintf [call site] 00011
5 format_string [function] [call site] 00012
6 g_assert [call site] 00013
6 strchr [call site] 00014
6 g_strdup_vprintf [function] [call site] 00015
7 g_vasprintf [function] [call site] 00016
8 g_return_val_if_fail [call site] 00017
8 _g_gnulib_vasprintf [function] [call site] 00018
9 vasnprintf [call site] 00019
8 vasprintf [call site] 00020
8 fputs [call site] 00021
8 fputs [call site] 00022
8 g_abort [function] [call site] 00023
9 IsDebuggerPresent [call site] 00024
9 DebugBreak [call site] 00025
9 abort [call site] 00026
9 ExitProcess [call site] 00027
8 va_copy [call site] 00028
8 _g_vsnprintf [call site] 00029
8 va_end [call site] 00030
8 g_new [call site] 00031
8 _g_vsprintf [call site] 00032
8 va_end [call site] 00033
8 g_assert [call site] 00034
5 g_strcmp0 [function] [call site] 00035
6 strcmp [call site] 00036
5 g_pattern_match_simple [function] [call site] 00037
6 g_return_val_if_fail [call site] 00038
6 g_return_val_if_fail [call site] 00039
6 g_pattern_spec_new [function] [call site] 00040
7 g_return_val_if_fail [call site] 00041
7 g_new [call site] 00042
7 strlen [call site] 00043
7 g_new [call site] 00044
7 memmove [call site] 00045
7 g_utf8_strreverse [function] [call site] 00046
8 strlen [call site] 00047
8 g_new [call site] 00048
8 g_assert [call site] 00049
7 g_free [call site] 00050
6 g_pattern_spec_match [function] [call site] 00051
7 g_return_val_if_fail [call site] 00052
7 g_return_val_if_fail [call site] 00053
7 g_pattern_ph_match [function] [call site] 00054
8 g_utf8_next_char [call site] 00055
8 g_utf8_next_char [call site] 00056
8 g_utf8_next_char [call site] 00057
8 g_pattern_ph_match [function] [call site] 00058
7 g_pattern_ph_match [function] [call site] 00059
7 g_utf8_strreverse [function] [call site] 00060
7 g_pattern_ph_match [function] [call site] 00061
7 g_free [call site] 00062
7 strcmp [call site] 00063
7 strncmp [call site] 00064
7 strcmp [call site] 00065
7 strcmp [call site] 00066
7 g_return_val_if_fail [call site] 00067
6 strlen [call site] 00068
6 g_pattern_spec_free [function] [call site] 00069
7 g_return_if_fail [call site] 00070
7 g_free [call site] 00071
7 g_free [call site] 00072
5 g_slist_delete_link [function] [call site] 00073
6 _g_slist_remove_link [function] [call site] 00074
6 _g_slist_free1 [call site] 00075
5 g_free [call site] 00076
5 g_free [call site] 00077
5 g_free [call site] 00078
5 g_free [call site] 00079
5 mklevel_prefix [function] [call site] 00080
6 strcpy [call site] 00081
6 log_level_to_color [function] [call site] 00082
6 strcat [call site] 00083
6 strcat [call site] 00084
6 strcat [call site] 00085
6 strcat [call site] 00086
6 strcat [call site] 00087
6 strcat [call site] 00088
6 strcat [call site] 00089
6 format_unsigned [function] [call site] 00090
6 strcat [call site] 00091
6 strcat [call site] 00092
6 color_reset [function] [call site] 00093
6 strcat [call site] 00094
6 strcat [call site] 00095
6 g_test_initialized [call site] 00096
6 log_level_to_file [function] [call site] 00097
5 g_strdup_printf [function] [call site] 00098
6 va_start [call site] 00099
6 g_strdup_vprintf [function] [call site] 00100
6 va_end [call site] 00101
5 g_log_default_handler [function] [call site] 00102
6 _g_log_fallback_handler [function] [call site] 00103
7 mklevel_prefix [function] [call site] 00104
7 format_unsigned [function] [call site] 00105
7 getpid [call site] 00106
7 write_string [function] [call site] 00107
8 fputs [call site] 00108
7 write_string [function] [call site] 00109
7 write_string [function] [call site] 00110
7 write_string [function] [call site] 00111
7 write_string [function] [call site] 00112
7 write_string [function] [call site] 00113
7 write_string [function] [call site] 00114
7 write_string [function] [call site] 00115
7 write_string [function] [call site] 00116
7 write_string [function] [call site] 00117
7 write_string [function] [call site] 00118
6 log_level_to_priority [function] [call site] 00119
6 g_log_structured_array [function] [call site] 00120
7 GPOINTER_TO_UINT [call site] 00121
7 g_private_get [function] [call site] 00122
8 g_private_get_impl [call site] 00123
7 g_mutex_lock [function] [call site] 00124
7 g_mutex_unlock [function] [call site] 00125
7 g_private_set [function] [call site] 00126
8 g_private_set_impl [call site] 00127
7 GUINT_TO_POINTER [call site] 00128
7 g_assert [call site] 00129
7 writer_func [function] [call site] 00130
8 change_even [function] [call site] 00131
9 g_rw_lock_writer_lock [function] [call site] 00132
10 g_rw_lock_writer_lock_impl [call site] 00133
9 g_assert [call site] 00134
9 GPOINTER_TO_INT [call site] 00135
9 g_assert [call site] 00136
9 g_rw_lock_writer_unlock [function] [call site] 00137
10 g_rw_lock_writer_unlock_impl [call site] 00138
7 g_private_set [function] [call site] 00139
7 GUINT_TO_POINTER [call site] 00140
7 _g_log_abort [function] [call site] 00141
8 g_test_subprocess [function] [call site] 00142
8 _exit [call site] 00143
8 IsDebuggerPresent [call site] 00144
8 G_BREAKPOINT [call site] 00145
8 g_abort [function] [call site] 00146
5 g_free [call site] 00147
5 g_bit_nth_msf [call site] 00148
5 g_bit_nth_msf [call site] 00149
5 g_mutex_lock [function] [call site] 00150
5 GPOINTER_TO_UINT [call site] 00151
5 g_private_get [function] [call site] 00152
5 g_log_find_domain_L [function] [call site] 00153
6 strcmp [call site] 00154
5 g_log_domain_get_handler_L [function] [call site] 00155
5 g_mutex_unlock [function] [call site] 00156
5 g_private_set [function] [call site] 00157
5 GUINT_TO_POINTER [call site] 00158
5 log_func [call site] 00159
5 fatal_log_func [call site] 00160
5 g_utf8_to_utf16 [function] [call site] 00161
6 g_return_val_if_fail [call site] 00162
6 g_utf8_get_char_extended [function] [call site] 00163
7 G_UNLIKELY [call site] 00164
7 G_UNLIKELY [call site] 00165
7 G_UNLIKELY [call site] 00166
7 G_UNLIKELY [call site] 00167
6 g_set_error_literal [function] [call site] 00168
7 g_error_new_literal [function] [call site] 00169
8 g_return_val_if_fail [call site] 00170
8 g_return_val_if_fail [call site] 00171
8 g_error_new_steal [function] [call site] 00172
9 g_error_allocate [function] [call site] 00173
10 g_rw_lock_reader_lock [function] [call site] 00174
11 g_rw_lock_reader_lock_impl [call site] 00175
10 error_domain_lookup [function] [call site] 00176
11 g_hash_table_lookup [function] [call site] 00177
12 g_return_val_if_fail [call site] 00178
12 g_hash_table_lookup_node [function] [call site] 00179
13 G_UNLIKELY [call site] 00180
13 HASH_IS_REAL [call site] 00181
13 g_hash_table_hash_to_index [function] [call site] 00182
13 HASH_IS_UNUSED [call site] 00183
13 g_hash_table_fetch_key_or_value [function] [call site] 00184
14 GUINT_TO_POINTER [call site] 00185
13 HASH_IS_TOMBSTONE [call site] 00186
12 HASH_IS_REAL [call site] 00187
12 g_hash_table_fetch_key_or_value [function] [call site] 00188
11 GUINT_TO_POINTER [call site] 00189
10 g_rw_lock_reader_unlock [function] [call site] 00190
11 g_rw_lock_reader_unlock_impl [call site] 00191
10 g_rw_lock_reader_unlock [function] [call site] 00192
10 memset [call site] 00193
10 ALIGN_STRUCT [call site] 00194
10 g_slice_alloc0 [function] [call site] 00195
11 g_slice_alloc [function] [call site] 00196
12 g_malloc [function] [call site] 00197
13 G_LIKELY [call site] 00198
13 malloc [function] [call site] 00199
14 dlsym [call site] 00200
14 real_malloc [call site] 00201
13 TRACE [call site] 00202
13 GLIB_MEM_ALLOC [call site] 00203
13 g_error [function] [call site] 00204
13 TRACE [call site] 00205
13 GLIB_MEM_ALLOC [call site] 00206
12 TRACE [call site] 00207
12 GLIB_SLICE_ALLOC [call site] 00208
11 memset [call site] 00209
10 ALIGN_STRUCT [call site] 00210
10 VALGRIND_MALLOCLIKE_BLOCK [call site] 00211
10 VALGRIND_MALLOCLIKE_BLOCK [call site] 00212
10 ALIGN_STRUCT [call site] 00213
10 ALIGN_STRUCT [call site] 00214
10 g_slice_alloc0 [function] [call site] 00215
8 g_strdup [call site] 00216
7 g_warning [function] [call site] 00217
8 va_start [call site] 00218
8 g_logv [function] [call site] 00219
8 va_end [call site] 00220
6 _ [call site] 00221
6 g_set_error_literal [function] [call site] 00222
6 _ [call site] 00223
6 g_set_error_literal [function] [call site] 00224
6 _ [call site] 00225
6 g_set_error_literal [function] [call site] 00226
6 _ [call site] 00227
6 g_utf8_next_char [call site] 00228
6 try_malloc_n [function] [call site] 00229
7 g_try_malloc_n [function] [call site] 00230
8 SIZE_OVERFLOWS [call site] 00231
8 g_try_malloc [function] [call site] 00232
9 G_LIKELY [call site] 00233
9 malloc [function] [call site] 00234
9 TRACE [call site] 00235
9 GLIB_MEM_ALLOC [call site] 00236
7 g_set_error_literal [function] [call site] 00237
7 _ [call site] 00238
6 g_utf8_get_char [function] [call site] 00239
7 UTF8_COMPUTE [call site] 00240
7 UTF8_GET [call site] 00241
6 g_utf8_next_char [call site] 00242
5 MessageBoxW [call site] 00243
5 g_free [call site] 00244
5 _g_log_abort [function] [call site] 00245
5 g_private_set [function] [call site] 00246
5 GUINT_TO_POINTER [call site] 00247
5 g_free [call site] 00248
4 va_end [call site] 00249
3 g_mutex_unlock [function] [call site] 00250
1 g_strndup [function] [call site] 00251
2 g_new [call site] 00252
2 strncpy [call site] 00253
1 g_uuid_string_is_valid [function] [call site] 00254
2 g_return_val_if_fail [call site] 00255
2 uuid_parse_string [function] [call site] 00256
3 strlen [call site] 00257
3 g_ascii_xdigit_value [function] [call site] 00258
4 g_ascii_digit_value [function] [call site] 00259
5 g_ascii_isdigit [call site] 00260
3 g_ascii_xdigit_value [function] [call site] 00261
1 g_free [call site] 00262