Fuzz introspector: gtp_message_fuzz
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
298 0 EP call site: 00000 ogs_gtp2_parse_msg

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 initialize [function] [call site] 00001
2 ogs_core_initialize [function] [call site] 00002
3 ogs_mem_init [function] [call site] 00003
4 pthread_mutex_init [call site] 00004
4 talloc_enable_null_tracking [call site] 00005
4 talloc_named_const [call site] 00006
3 ogs_log_init [function] [call site] 00007
4 ogs_log_printf [function] [call site] 00009
5 ogs_log_vprintf [function] [call site] 00010
6 ogs_list_first [function] [call site] 00011
6 fprintf [call site] 00012
6 ogs_log_printf [function] [call site] 00013
6 ogs_abort [function] [call site] 00014
7 backtrace [call site] 00015
7 ogs_log_printf [function] [call site] 00016
7 backtrace_symbols [call site] 00017
7 ogs_log_printf [function] [call site] 00018
7 abort [call site] 00019
6 log_timestamp [function] [call site] 00020
7 ogs_gettimeofday [function] [call site] 00021
8 gettimeofday [call site] 00022
8 ogs_log_printf [function] [call site] 00023
8 ogs_abort [function] [call site] 00024
7 ogs_localtime [function] [call site] 00025
8 ogs_log_printf [function] [call site] 00026
8 ogs_abort [function] [call site] 00027
8 localtime_r [call site] 00028
7 strftime [call site] 00029
7 ogs_slprintf [function] [call site] 00030
8 ogs_vslprintf [function] [call site] 00031
9 ogs_log_printf [function] [call site] 00032
9 ogs_abort [function] [call site] 00033
9 ogs_vsnprintf [function] [call site] 00034
10 vsnprintf [call site] 00035
6 log_domain [function] [call site] 00036
7 ogs_slprintf [function] [call site] 00037
6 log_level [function] [call site] 00038
7 ogs_slprintf [function] [call site] 00039
6 log_content [function] [call site] 00040
7 ogs_vslprintf [function] [call site] 00041
6 ogs_strerror [function] [call site] 00042
7 strerror_r [call site] 00043
6 ogs_slprintf [function] [call site] 00044
6 ogs_slprintf [function] [call site] 00045
6 ogs_slprintf [function] [call site] 00046
6 log_linefeed [function] [call site] 00047
7 ogs_slprintf [function] [call site] 00048
6 ogs_list_next [function] [call site] 00049
6 log_timestamp [function] [call site] 00050
6 log_level [function] [call site] 00051
6 log_content [function] [call site] 00052
6 ogs_slprintf [function] [call site] 00053
6 ogs_slprintf [function] [call site] 00054
6 log_linefeed [function] [call site] 00055
6 fprintf [call site] 00056
6 fflush [call site] 00057
4 ogs_abort [function] [call site] 00058
4 ogs_hash_make [function] [call site] 00059
5 ogs_get_monotonic_time [function] [call site] 00060
6 clock_gettime [call site] 00061
5 ogs_talloc_size [function] [call site] 00062
6 pthread_mutex_lock [call site] 00063
6 talloc_named_const [call site] 00064
6 ogs_log_printf [function] [call site] 00065
6 pthread_mutex_unlock [call site] 00066
5 ogs_log_printf [function] [call site] 00067
5 alloc_array [function] [call site] 00068
6 ogs_talloc_zero_size [function] [call site] 00069
7 pthread_mutex_lock [call site] 00070
7 _talloc_zero [call site] 00071
7 ogs_log_printf [function] [call site] 00072
7 pthread_mutex_unlock [call site] 00073
6 ogs_abort [function] [call site] 00074
4 ogs_log_printf [function] [call site] 00076
4 ogs_abort [function] [call site] 00077
4 ogs_hash_make [function] [call site] 00078
4 ogs_log_add_domain [function] [call site] 00080
5 ogs_log_printf [function] [call site] 00081
5 ogs_abort [function] [call site] 00082
5 ogs_log_printf [function] [call site] 00083
5 ogs_abort [function] [call site] 00084
5 ogs_list_add [function] [call site] 00085
4 ogs_log_add_stderr [function] [call site] 00086
5 add_log [function] [call site] 00087
6 ogs_log_printf [function] [call site] 00088
6 ogs_abort [function] [call site] 00089
6 ogs_list_add [function] [call site] 00090
5 ogs_log_printf [function] [call site] 00091
5 ogs_abort [function] [call site] 00092
3 ogs_pkbuf_init [function] [call site] 00093
3 ogs_socket_init [function] [call site] 00094
3 ogs_tlv_init [function] [call site] 00095
4 ogs_log_printf [function] [call site] 00097
4 ogs_abort [function] [call site] 00098
4 ogs_hash_make [function] [call site] 00099
3 ogs_log_install_domain [function] [call site] 00101
4 ogs_log_printf [function] [call site] 00102
4 ogs_abort [function] [call site] 00103
4 ogs_log_printf [function] [call site] 00104
4 ogs_abort [function] [call site] 00105
4 ogs_log_find_domain [function] [call site] 00106
5 ogs_log_printf [function] [call site] 00107
5 ogs_abort [function] [call site] 00108
5 ogs_list_first [function] [call site] 00109
5 strcasecmp [call site] 00110
5 ogs_list_next [function] [call site] 00111
4 ogs_log_printf [function] [call site] 00112
4 ogs_log_printf [function] [call site] 00113
4 ogs_log_set_domain_level [function] [call site] 00114
5 ogs_log_printf [function] [call site] 00116
5 ogs_abort [function] [call site] 00117
5 ogs_log_printf [function] [call site] 00118
5 ogs_abort [function] [call site] 00119
4 ogs_log_add_domain [function] [call site] 00120
4 ogs_log_printf [function] [call site] 00121
4 ogs_abort [function] [call site] 00122
3 ogs_log_install_domain [function] [call site] 00124
3 ogs_log_install_domain [function] [call site] 00126
3 ogs_log_install_domain [function] [call site] 00128
3 ogs_log_install_domain [function] [call site] 00129
2 ogs_pkbuf_default_init [function] [call site] 00130
2 ogs_pkbuf_default_create [function] [call site] 00131
1 ogs_log_install_domain [function] [call site] 00132
1 ogs_log_install_domain [function] [call site] 00133
1 ogs_pkbuf_alloc_debug [function] [call site] 00134
2 ogs_talloc_zero_size [function] [call site] 00135
2 ogs_log_printf [function] [call site] 00136
1 ogs_pkbuf_put_data [function] [call site] 00137
2 ogs_pkbuf_put [function] [call site] 00138
3 ogs_pkbuf_tailroom [function] [call site] 00139
3 ogs_log_printf [function] [call site] 00140
3 ogs_abort [function] [call site] 00141
1 ogs_gtp2_parse_msg [function] [call site] 00142
2 ogs_log_printf [function] [call site] 00143
2 ogs_abort [function] [call site] 00144
2 ogs_log_printf [function] [call site] 00145
2 ogs_abort [function] [call site] 00146
2 ogs_log_printf [function] [call site] 00147
2 ogs_abort [function] [call site] 00148
2 ogs_log_printf [function] [call site] 00149
2 ogs_abort [function] [call site] 00150
2 ogs_pkbuf_pull [function] [call site] 00151
3 ogs_pkbuf_pull_inline [function] [call site] 00152
2 ogs_log_printf [function] [call site] 00153
2 __bswap_32 [function] [call site] 00154
2 ogs_pkbuf_push [function] [call site] 00155
3 ogs_pkbuf_headroom [function] [call site] 00156
3 ogs_log_printf [function] [call site] 00157
3 ogs_abort [function] [call site] 00158
2 ogs_log_printf [function] [call site] 00159
2 ogs_abort [function] [call site] 00160
2 ogs_tlv_parse_msg [function] [call site] 00161
3 ogs_log_printf [function] [call site] 00162
3 ogs_abort [function] [call site] 00163
3 ogs_log_printf [function] [call site] 00164
3 ogs_abort [function] [call site] 00165
3 ogs_log_printf [function] [call site] 00166
3 ogs_abort [function] [call site] 00167
3 ogs_log_printf [function] [call site] 00168
3 ogs_abort [function] [call site] 00169
3 ogs_log_printf [function] [call site] 00170
3 ogs_log_printf [function] [call site] 00171
3 ogs_abort [function] [call site] 00172
3 ogs_tlv_parse_block [function] [call site] 00173
4 ogs_tlv_get [function] [call site] 00174
5 ogs_abort [function] [call site] 00175
4 ogs_log_printf [function] [call site] 00176
4 ogs_abort [function] [call site] 00177
4 tlv_get_element [function] [call site] 00178
5 ogs_log_printf [function] [call site] 00179
5 ogs_abort [function] [call site] 00180
4 ogs_log_printf [function] [call site] 00181
4 ogs_abort [function] [call site] 00182
4 ogs_tlv_get [function] [call site] 00183
4 ogs_log_printf [function] [call site] 00184
4 ogs_abort [function] [call site] 00185
4 tlv_get_element [function] [call site] 00186
4 ogs_log_printf [function] [call site] 00187
4 ogs_abort [function] [call site] 00188
4 ogs_log_printf [function] [call site] 00189
4 ogs_log_printf [function] [call site] 00190
4 ogs_log_hexdump_func [function] [call site] 00191
5 ogs_slprintf [function] [call site] 00192
5 ogs_slprintf [function] [call site] 00193
5 ogs_slprintf [function] [call site] 00194
5 ogs_slprintf [function] [call site] 00195
5 ogs_slprintf [function] [call site] 00196
5 __ctype_b_loc [call site] 00197
5 ogs_slprintf [function] [call site] 00198
5 ogs_slprintf [function] [call site] 00199
5 ogs_log_printf [function] [call site] 00200
4 ogs_tlv_free_all [function] [call site] 00201
5 ogs_tlv_free_all [function] [call site] 00202
6 ogs_tlv_free [function] [call site] 00203
3 ogs_log_printf [function] [call site] 00204
3 tlv_parse_compound [function] [call site] 00205
4 ogs_log_printf [function] [call site] 00206
4 ogs_abort [function] [call site] 00207
4 ogs_log_printf [function] [call site] 00208
4 ogs_abort [function] [call site] 00209
4 ogs_log_printf [function] [call site] 00210
4 ogs_abort [function] [call site] 00211
4 ogs_log_printf [function] [call site] 00212
4 ogs_abort [function] [call site] 00213
4 tlv_count_node_find [function] [call site] 00214
5 ogs_log_printf [function] [call site] 00215
5 ogs_rbtree_link_node [function] [call site] 00216
5 ogs_rbtree_insert_color [function] [call site] 00217
6 ogs_log_printf [function] [call site] 00218
6 ogs_abort [function] [call site] 00219
6 ogs_log_printf [function] [call site] 00220
6 ogs_abort [function] [call site] 00221
6 ogs_log_printf [function] [call site] 00222
6 ogs_abort [function] [call site] 00223
6 rb_rotate_left [function] [call site] 00224
7 rb_replace_node [function] [call site] 00225
8 rb_change_child [function] [call site] 00226
6 rb_rotate_right [function] [call site] 00227
7 rb_replace_node [function] [call site] 00228
6 rb_rotate_right [function] [call site] 00229
6 rb_rotate_left [function] [call site] 00230
6 ogs_log_printf [function] [call site] 00231
6 ogs_abort [function] [call site] 00232
4 tlv_find_desc_by_type_inst [function] [call site] 00233
5 ogs_log_printf [function] [call site] 00234
5 ogs_abort [function] [call site] 00235
4 ogs_log_printf [function] [call site] 00236
4 ogs_log_printf [function] [call site] 00237
4 ogs_tlv_parse_embedded_block [function] [call site] 00238
5 ogs_tlv_parse_block [function] [call site] 00239
4 ogs_log_printf [function] [call site] 00240
4 ogs_log_printf [function] [call site] 00241
4 tlv_parse_compound [function] [call site] 00242
5 ogs_log_printf [function] [call site] 00243
5 ogs_log_printf [function] [call site] 00244
5 tlv_parse_leaf [function] [call site] 00245
6 ogs_log_printf [function] [call site] 00246
6 ogs_abort [function] [call site] 00247
6 ogs_log_printf [function] [call site] 00248
6 ogs_abort [function] [call site] 00249
6 ogs_log_printf [function] [call site] 00250
6 ogs_abort [function] [call site] 00251
6 ogs_log_printf [function] [call site] 00252
6 ogs_log_printf [function] [call site] 00253
6 ogs_log_printf [function] [call site] 00254
6 ogs_log_printf [function] [call site] 00255
6 ogs_log_printf [function] [call site] 00256
6 ogs_log_printf [function] [call site] 00257
6 ogs_log_printf [function] [call site] 00258
5 ogs_log_printf [function] [call site] 00259
3 ogs_tlv_free_all [function] [call site] 00260
2 ogs_tlv_parse_msg [function] [call site] 00261
2 ogs_tlv_parse_msg [function] [call site] 00262
2 ogs_tlv_parse_msg [function] [call site] 00263
2 ogs_tlv_parse_msg [function] [call site] 00264
2 ogs_tlv_parse_msg [function] [call site] 00265
2 ogs_tlv_parse_msg [function] [call site] 00266
2 ogs_tlv_parse_msg [function] [call site] 00267
2 ogs_tlv_parse_msg [function] [call site] 00268
2 ogs_tlv_parse_msg [function] [call site] 00269
2 ogs_tlv_parse_msg [function] [call site] 00270
2 ogs_tlv_parse_msg [function] [call site] 00271
2 ogs_tlv_parse_msg [function] [call site] 00272
2 ogs_tlv_parse_msg [function] [call site] 00273
2 ogs_tlv_parse_msg [function] [call site] 00274
2 ogs_tlv_parse_msg [function] [call site] 00275
2 ogs_tlv_parse_msg [function] [call site] 00276
2 ogs_tlv_parse_msg [function] [call site] 00277
2 ogs_tlv_parse_msg [function] [call site] 00278
2 ogs_tlv_parse_msg [function] [call site] 00279
2 ogs_tlv_parse_msg [function] [call site] 00280
2 ogs_tlv_parse_msg [function] [call site] 00281
2 ogs_tlv_parse_msg [function] [call site] 00282
2 ogs_tlv_parse_msg [function] [call site] 00283
2 ogs_tlv_parse_msg [function] [call site] 00284
2 ogs_tlv_parse_msg [function] [call site] 00285
2 ogs_tlv_parse_msg [function] [call site] 00286
2 ogs_tlv_parse_msg [function] [call site] 00287
2 ogs_tlv_parse_msg [function] [call site] 00288
2 ogs_tlv_parse_msg [function] [call site] 00289
2 ogs_log_printf [function] [call site] 00290
2 ogs_pkbuf_push [function] [call site] 00291
2 ogs_log_printf [function] [call site] 00292
2 ogs_abort [function] [call site] 00293
1 ogs_pkbuf_free [function] [call site] 00294
2 ogs_talloc_free [function] [call site] 00295
3 pthread_mutex_lock [call site] 00296
3 _talloc_free [call site] 00297
3 pthread_mutex_unlock [call site] 00298