Fuzz introspector: fuzz-config
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
115 157 strbuf_release call site: 00157 strbuf_release
57 4 strbuf_init call site: 00004 die
23 101 strbuf_addch call site: 00101 tr2_sid_append_my_sid_component
22 70 git_env_ulong call site: 00070 die
21 135 strbuf_vaddf call site: 00135 strbuf_addstr
14 351 strbuf_detach call site: 00351 xstrfmt
5 94 xrealloc call site: 00094 die
4 130 strbuf_vaddf call site: 00130 strbuf_grow
3 64 strbuf_grow call site: 00064 xmalloc
3 301 hashmap_add call site: 00301 rehash
2 127 strbuf_vaddf call site: 00127 die
2 283 xcalloc call site: 00283 die

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 git_config_from_mem [function] [call site] 00001
2 do_config_from [function] [call site] 00002
3 strbuf_init [function] [call site] 00003
4 strbuf_grow [function] [call site] 00004
5 die [function] [call site] 00005
6 fputs [call site] 00006
6 common_exit [function] [call site] 00007
7 check_bug_if_BUG [function] [call site] 00008
8 BUG_fl [function] [call site] 00009
9 BUG_vfl [function] [call site] 00010
10 BUG_vfl_common [function] [call site] 00011
11 snprintf [call site] 00012
11 vreportf [function] [call site] 00013
12 vfreportf [function] [call site] 00014
13 strlen [call site] 00015
13 fprintf [call site] 00016
13 abort [call site] 00017
13 vsnprintf [call site] 00018
13 _ [function] [call site] 00019
14 gettext [call site] 00020
13 fprintf [call site] 00021
13 fflush [call site] 00022
13 fileno [call site] 00023
13 write_in_full [function] [call site] 00024
14 xwrite [function] [call site] 00025
15 write [call site] 00026
15 __errno_location [call site] 00027
15 __errno_location [call site] 00028
15 handle_nonblock [function] [call site] 00029
16 poll [call site] 00030
14 __errno_location [call site] 00031
10 abort [call site] 00032
10 trace2_cmd_error_va_fl [function] [call site] 00033
11 tr2_dst_trace_want [function] [call site] 00034
12 tr2_dst_get_trace_fd [function] [call site] 00035
13 tr2_sysenv_get [function] [call site] 00036
14 BUG_fl [function] [call site] 00037
14 getenv [call site] 00038
14 xstrdup [function] [call site] 00039
15 strdup [call site] 00040
15 die [function] [call site] 00041
16 exit [call site] 00042
13 strcmp [call site] 00043
13 strcasecmp [call site] 00044
13 strcmp [call site] 00045
13 strcasecmp [call site] 00046
13 strlen [call site] 00047
13 atoi [call site] 00048
13 is_absolute_path [function] [call site] 00049
14 git_is_dir_sep [function] [call site] 00050
14 git_has_dos_drive_prefix [function] [call site] 00051
13 is_directory [function] [call site] 00052
14 stat64 [call site] 00053
13 tr2_dst_try_auto_path [function] [call site] 00054
14 tr2_sid_get [function] [call site] 00055
15 tr2_sid_compute [function] [call site] 00056
16 getenv [call site] 00057
16 strbuf_addstr [function] [call site] 00058
17 strlen [call site] 00059
17 strbuf_add [function] [call site] 00060
18 strbuf_grow [function] [call site] 00061
19 st_mult [function] [call site] 00062
20 die [function] [call site] 00063
19 xrealloc [function] [call site] 00064
20 xmalloc [function] [call site] 00065
21 do_xmalloc [function] [call site] 00066
22 memory_limit_check [function] [call site] 00067
23 git_env_ulong [function] [call site] 00068
24 getenv [call site] 00069
24 git_parse_ulong [function] [call site] 00070
25 git_parse_unsigned [function] [call site] 00071
26 strchr [call site] 00072
26 __errno_location [call site] 00073
26 __errno_location [call site] 00074
26 strtoumax [call site] 00075
26 __errno_location [call site] 00076
26 __errno_location [call site] 00077
26 get_unit_factor [function] [call site] 00078
27 strcasecmp [call site] 00079
27 strcasecmp [call site] 00080
27 strcasecmp [call site] 00081
26 __errno_location [call site] 00082
26 __errno_location [call site] 00083
26 __errno_location [call site] 00084
24 _ [function] [call site] 00085
24 die [function] [call site] 00086
23 error [function] [call site] 00087
23 const_error [function] [call site] 00088
23 die [function] [call site] 00089
22 die [function] [call site] 00090
22 error [function] [call site] 00091
22 const_error [function] [call site] 00092
20 memory_limit_check [function] [call site] 00093
20 realloc [call site] 00094
20 die [function] [call site] 00095
18 strbuf_setlen [function] [call site] 00096
19 BUG_fl [function] [call site] 00097
19 __assert_fail [call site] 00098
16 strbuf_addch [function] [call site] 00099
17 strbuf_avail [function] [call site] 00100
17 strbuf_grow [function] [call site] 00101
16 tr2_sid_append_my_sid_component [function] [call site] 00102
17 getpid [call site] 00103
17 tr2_tbuf_utc_datetime [function] [call site] 00104
18 gettimeofday [call site] 00105
18 gmtime_r [call site] 00106
18 xsnprintf [function] [call site] 00107
19 vsnprintf [call site] 00108
19 _ [function] [call site] 00109
19 die [function] [call site] 00110
19 BUG_fl [function] [call site] 00111
17 strbuf_addstr [function] [call site] 00112
17 strbuf_addch [function] [call site] 00113
17 xgethostname [function] [call site] 00114
18 gethostname [call site] 00115
17 strbuf_add [function] [call site] 00116
17 strlen [call site] 00117
17 git_hash_update [function] [call site] 00118
17 git_hash_final [function] [call site] 00119
17 hash_to_hex_algop_r [function] [call site] 00120
17 strbuf_addch [function] [call site] 00121
17 strbuf_add [function] [call site] 00122
17 strbuf_addf [function] [call site] 00123
18 strbuf_vaddf [function] [call site] 00124
19 strbuf_avail [function] [call site] 00125
19 strbuf_grow [function] [call site] 00126
19 vsnprintf [call site] 00127
19 _ [function] [call site] 00128
19 die [function] [call site] 00129
19 strbuf_avail [function] [call site] 00130
19 strbuf_grow [function] [call site] 00131
19 vsnprintf [call site] 00132
19 strbuf_avail [function] [call site] 00133
19 BUG_fl [function] [call site] 00134
19 strbuf_setlen [function] [call site] 00135
16 setenv [call site] 00136
14 strrchr [call site] 00137
14 strbuf_addstr [function] [call site] 00138
14 git_is_dir_sep [function] [call site] 00139
14 strbuf_addch [function] [call site] 00140
14 strbuf_addstr [function] [call site] 00141
14 tr2_dst_too_many_files [function] [call site] 00142
15 tr2_sysenv_get [function] [call site] 00143
15 atoi [call site] 00144
15 strbuf_addstr [function] [call site] 00145
15 git_is_dir_sep [function] [call site] 00146
15 strbuf_addbuf [function] [call site] 00147
16 strbuf_grow [function] [call site] 00148
16 strbuf_setlen [function] [call site] 00149
15 strbuf_addstr [function] [call site] 00150
15 stat64 [call site] 00151
15 opendir [call site] 00152
15 readdir64 [call site] 00153
15 closedir [call site] 00154
15 open64 [call site] 00155
15 strbuf_release [function] [call site] 00156
16 strbuf_init [function] [call site] 00157
15 strbuf_release [function] [call site] 00158
14 strbuf_setlen [function] [call site] 00159
14 strbuf_addf [function] [call site] 00160
14 open64 [call site] 00161
14 strbuf_release [function] [call site] 00162
14 tr2_dst_want_warning [function] [call site] 00163
15 tr2_sysenv_get [function] [call site] 00164
15 atoi [call site] 00165
14 tr2_sysenv_display_name [function] [call site] 00166
15 BUG_fl [function] [call site] 00167
14 warning [function] [call site] 00168
14 tr2_dst_want_warning [function] [call site] 00169
14 tr2_sysenv_display_name [function] [call site] 00170
14 __errno_location [call site] 00171
14 strerror [call site] 00172
14 warning [function] [call site] 00173
14 tr2_dst_trace_disable [function] [call site] 00174
15 close [call site] 00175
14 strbuf_release [function] [call site] 00176
14 strbuf_release [function] [call site] 00177
13 tr2_dst_try_path [function] [call site] 00178
14 open64 [call site] 00179
14 tr2_dst_want_warning [function] [call site] 00180
14 tr2_sysenv_display_name [function] [call site] 00181
14 __errno_location [call site] 00182
14 strerror [call site] 00183
14 warning [function] [call site] 00184
14 tr2_dst_trace_disable [function] [call site] 00185
13 starts_with [function] [call site] 00186
13 tr2_dst_try_unix_domain_socket [function] [call site] 00187
14 skip_prefix [function] [call site] 00188
14 skip_prefix [function] [call site] 00189
14 skip_prefix [function] [call site] 00190
14 tr2_dst_want_warning [function] [call site] 00191
14 tr2_sysenv_display_name [function] [call site] 00192
14 warning [function] [call site] 00193
14 tr2_dst_trace_disable [function] [call site] 00194
14 is_absolute_path [function] [call site] 00195
14 strlen [call site] 00196
14 tr2_dst_want_warning [function] [call site] 00197
14 tr2_sysenv_display_name [function] [call site] 00198
14 warning [function] [call site] 00199
14 tr2_dst_trace_disable [function] [call site] 00200
14 tr2_dst_try_uds_connect [function] [call site] 00201
15 socket [call site] 00202
15 gitstrlcpy [function] [call site] 00203
16 strlen [call site] 00204
15 connect [call site] 00205
15 __errno_location [call site] 00206
15 close [call site] 00207
15 __errno_location [call site] 00208
14 __errno_location [call site] 00209
14 tr2_dst_try_uds_connect [function] [call site] 00210
14 tr2_dst_want_warning [function] [call site] 00211
14 tr2_sysenv_display_name [function] [call site] 00212
14 __errno_location [call site] 00213
14 strerror [call site] 00214
14 warning [function] [call site] 00215
14 tr2_dst_trace_disable [function] [call site] 00216
13 tr2_dst_malformed_warning [function] [call site] 00217
14 tr2_sysenv_display_name [function] [call site] 00218
14 warning [function] [call site] 00219
13 tr2_dst_trace_disable [function] [call site] 00220
10 common_exit [function] [call site] 00221
11 trace2_cmd_exit_fl [function] [call site] 00222
12 trace2_collect_process_info [function] [call site] 00223
13 trace2_is_enabled [function] [call site] 00224
13 getppid [call site] 00225
13 push_ancestry_name [function] [call site] 00226
14 stat_parent_pid [function] [call site] 00227
15 strbuf_addf [function] [call site] 00228
15 git_fopen [function] [call site] 00229
16 fopen64 [call site] 00230
16 fopen64 [call site] 00231
16 fileno [call site] 00232
16 fstat64 [call site] 00233
16 fclose [call site] 00234
16 fclose [call site] 00235
16 __errno_location [call site] 00236
15 strbuf_fread [function] [call site] 00237
16 strbuf_grow [function] [call site] 00238
16 fread [call site] 00239
16 strbuf_setlen [function] [call site] 00240
16 strbuf_release [function] [call site] 00241
15 parse_proc_stat [function] [call site] 00242
16 strchr [call site] 00243
16 strrchr [call site] 00244
16 strchr [call site] 00245
16 strtol [call site] 00246
16 strbuf_add [function] [call site] 00247
15 fclose [call site] 00248
15 strbuf_release [function] [call site] 00249
15 strbuf_release [function] [call site] 00250
14 strvec_push [function] [call site] 00251
15 xstrdup [function] [call site] 00252
15 strvec_push_nodup [function] [call site] 00253
16 st_mult [function] [call site] 00254
16 xrealloc [function] [call site] 00255
14 push_ancestry_name [function] [call site] 00256
15 strbuf_release [function] [call site] 00257
13 trace2_cmd_ancestry_fl [function] [call site] 00258
14 tr2_dst_trace_want [function] [call site] 00259
13 strvec_clear [function] [call site] 00260
14 strvec_init [function] [call site] 00261
12 getnanotime [function] [call site] 00262
13 highres_nanos [function] [call site] 00263
14 clock_gettime [call site] 00264
13 gettimeofday_nanos [function] [call site] 00265
14 gettimeofday [call site] 00266
13 gettimeofday_nanos [function] [call site] 00267
13 highres_nanos [function] [call site] 00268
12 tr2tls_absolute_elapsed [function] [call site] 00269
12 tr2_dst_trace_want [function] [call site] 00270
10 exit [call site] 00271
10 abort [call site] 00272
3 strbuf_init [function] [call site] 00273
3 kvi_from_source [function] [call site] 00274
4 strintern [function] [call site] 00275
5 strlen [call site] 00276
5 memintern [function] [call site] 00277
6 hashmap_init [function] [call site] 00278
7 alloc_table [function] [call site] 00279
8 xcalloc [function] [call site] 00280
9 die [function] [call site] 00281
9 memory_limit_check [function] [call site] 00282
9 calloc [call site] 00283
9 calloc [call site] 00284
9 die [function] [call site] 00285
6 pool_entry_cmp [function] [call site] 00286
7 memcmp [call site] 00287
6 memhash [function] [call site] 00288
6 hashmap_entry_init [function] [call site] 00289
6 hashmap_get [function] [call site] 00290
7 find_entry_ptr [function] [call site] 00291
8 bucket [function] [call site] 00292
8 entry_equals [function] [call site] 00293
6 container_of_or_null_offset [function] [call site] 00294
6 st_add [function] [call site] 00295
7 die [function] [call site] 00296
6 xcalloc [function] [call site] 00297
6 hashmap_entry_init [function] [call site] 00298
6 hashmap_add [function] [call site] 00299
7 alloc_table [function] [call site] 00300
7 bucket [function] [call site] 00301
7 rehash [function] [call site] 00302
8 alloc_table [function] [call site] 00303
8 bucket [function] [call site] 00304
3 git_parse_source [function] [call site] 00305
4 get_next_char [function] [call site] 00306
4 do_event [function] [call site] 00307
4 do_event [function] [call site] 00308
4 do_event [function] [call site] 00309
4 do_event [function] [call site] 00310
4 do_event [function] [call site] 00311
4 strbuf_setlen [function] [call site] 00312
4 get_base_var [function] [call site] 00313
5 get_next_char [function] [call site] 00314
5 get_extended_base_var [function] [call site] 00315
6 get_next_char [function] [call site] 00316
6 strbuf_addch [function] [call site] 00317
6 get_next_char [function] [call site] 00318
6 get_next_char [function] [call site] 00319
6 strbuf_addch [function] [call site] 00320
6 get_next_char [function] [call site] 00321
5 iskeychar [function] [call site] 00322
5 sane_case [function] [call site] 00323
5 strbuf_addch [function] [call site] 00324
4 strbuf_addch [function] [call site] 00325
4 do_event [function] [call site] 00326
4 strbuf_setlen [function] [call site] 00327
4 sane_case [function] [call site] 00328
4 strbuf_addch [function] [call site] 00329
4 get_value [function] [call site] 00330
5 get_next_char [function] [call site] 00331
5 iskeychar [function] [call site] 00332
5 sane_case [function] [call site] 00333
5 strbuf_addch [function] [call site] 00334
5 get_next_char [function] [call site] 00335
5 parse_value [function] [call site] 00336
6 strbuf_setlen [function] [call site] 00337
6 get_next_char [function] [call site] 00338
6 strbuf_setlen [function] [call site] 00339
6 strbuf_addch [function] [call site] 00340
6 get_next_char [function] [call site] 00341
6 strbuf_addch [function] [call site] 00342
6 strbuf_addch [function] [call site] 00343
4 do_event [function] [call site] 00344
4 _ [function] [call site] 00345
4 xstrfmt [function] [call site] 00346
5 xstrvfmt [function] [call site] 00347
6 strbuf_vaddf [function] [call site] 00348
6 strbuf_detach [function] [call site] 00349
7 strbuf_grow [function] [call site] 00350
7 strbuf_init [function] [call site] 00351
4 _ [function] [call site] 00352
4 xstrfmt [function] [call site] 00353
4 _ [function] [call site] 00354
4 xstrfmt [function] [call site] 00355
4 _ [function] [call site] 00356
4 xstrfmt [function] [call site] 00357
4 _ [function] [call site] 00358
4 xstrfmt [function] [call site] 00359
4 _ [function] [call site] 00360
4 xstrfmt [function] [call site] 00361
4 die [function] [call site] 00362
4 error [function] [call site] 00363
4 const_error [function] [call site] 00364
4 BUG_fl [function] [call site] 00365
3 strbuf_release [function] [call site] 00366
3 strbuf_release [function] [call site] 00367
1 config_parser_callback [function] [call site] 00368
2 strlen [call site] 00369
2 strlen [call site] 00370