Fuzz introspector: fuzz-pack-idx
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
2 2 1 :

['abort']

2 2 vreportf call site: 00024 /src/git/usage.c:16
0 0 None 12 12 xwrite call site: 00033 /src/git/wrapper.c:250
0 0 1 :

['_.51873']

2 23 vreportf call site: 00027 /src/git/usage.c:22
0 0 None 2 18 write_in_full call site: 00033 /src/git/wrapper.c:311
0 0 None 2 2 _ call site: 00028 /src/git/./gettext.h:48
0 0 None 2 2 _ call site: 00028 /src/git/./gettext.h:50
0 0 None 0 10 load_idx call site: 00003 /src/git/packfile.c:126
0 0 None 0 0 write_in_full call site: 00033 /src/git/wrapper.c:309

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 load_idx [function] [call site] 00001
2 error [function] [call site] 00002
2 const_error [function] [call site] 00003
2 error [function] [call site] 00004
2 const_error [function] [call site] 00005
2 git_bswap32 [function] [call site] 00006
3 default_swab32 [function] [call site] 00007
2 git_bswap32 [function] [call site] 00008
2 error [function] [call site] 00009
2 const_error [function] [call site] 00010
2 git_bswap32 [function] [call site] 00011
2 error [function] [call site] 00012
2 const_error [function] [call site] 00013
2 st_mult [function] [call site] 00014
3 die [function] [call site] 00015
4 fputs [call site] 00016
4 common_exit [function] [call site] 00017
5 check_bug_if_BUG [function] [call site] 00018
6 BUG_fl [function] [call site] 00019
7 BUG_vfl [function] [call site] 00020
8 BUG_vfl_common [function] [call site] 00021
9 snprintf [call site] 00022
9 vreportf [function] [call site] 00023
10 strlen [call site] 00024
10 fprintf [call site] 00025
10 abort [call site] 00026
10 vsnprintf [call site] 00027
10 _ [function] [call site] 00028
11 gettext [call site] 00029
10 fprintf [call site] 00030
10 fflush [call site] 00031
10 write_in_full [function] [call site] 00032
11 xwrite [function] [call site] 00033
12 write [call site] 00034
12 __errno_location [call site] 00035
12 __errno_location [call site] 00036
12 handle_nonblock [function] [call site] 00037
13 poll [call site] 00038
11 __errno_location [call site] 00039
8 abort [call site] 00040
8 trace2_cmd_error_va_fl [function] [call site] 00041
9 tr2_dst_trace_want [function] [call site] 00042
10 tr2_dst_get_trace_fd [function] [call site] 00043
11 tr2_sysenv_get [function] [call site] 00044
12 BUG_fl [function] [call site] 00045
12 getenv [call site] 00046
12 xstrdup [function] [call site] 00047
13 strdup [call site] 00048
13 die [function] [call site] 00049
14 exit [call site] 00050
11 strcmp [call site] 00051
11 strcasecmp [call site] 00052
11 strcmp [call site] 00053
11 strlen [call site] 00054
11 atoi [call site] 00055
11 is_absolute_path [function] [call site] 00056
12 git_is_dir_sep [function] [call site] 00057
11 is_directory [function] [call site] 00058
12 stat64 [call site] 00059
11 tr2_dst_try_auto_path [function] [call site] 00060
12 tr2_sid_get [function] [call site] 00061
13 tr2_sid_compute [function] [call site] 00062
14 getenv [call site] 00063
14 strbuf_addstr [function] [call site] 00064
15 strlen [call site] 00065
15 strbuf_add [function] [call site] 00066
16 strbuf_grow [function] [call site] 00067
17 die [function] [call site] 00068
17 st_mult [function] [call site] 00069
17 xrealloc [function] [call site] 00070
18 xmalloc [function] [call site] 00071
19 do_xmalloc [function] [call site] 00072
20 memory_limit_check [function] [call site] 00073
21 git_env_ulong [function] [call site] 00074
22 getenv [call site] 00075
22 git_parse_ulong [function] [call site] 00076
23 git_parse_unsigned [function] [call site] 00077
24 strchr [call site] 00078
24 __errno_location [call site] 00079
24 __errno_location [call site] 00080
24 strtoumax [call site] 00081
24 __errno_location [call site] 00082
24 __errno_location [call site] 00083
24 get_unit_factor [function] [call site] 00084
25 strcasecmp [call site] 00085
25 strcasecmp [call site] 00086
24 __errno_location [call site] 00087
24 __errno_location [call site] 00088
24 __errno_location [call site] 00089
22 _ [function] [call site] 00090
22 die [function] [call site] 00091
21 error [function] [call site] 00092
21 const_error [function] [call site] 00093
21 die [function] [call site] 00094
20 die [function] [call site] 00095
20 error [function] [call site] 00096
20 const_error [function] [call site] 00097
18 memory_limit_check [function] [call site] 00098
18 realloc [call site] 00099
18 die [function] [call site] 00100
16 strbuf_setlen [function] [call site] 00101
17 BUG_fl [function] [call site] 00102
17 __assert_fail [call site] 00103
14 strbuf_addch [function] [call site] 00104
15 strbuf_avail [function] [call site] 00105
15 strbuf_grow [function] [call site] 00106
14 tr2_sid_append_my_sid_component [function] [call site] 00107
15 getpid [call site] 00108
15 tr2_tbuf_utc_datetime [function] [call site] 00109
16 gmtime_r [call site] 00110
16 xsnprintf [function] [call site] 00111
17 vsnprintf [call site] 00112
17 _ [function] [call site] 00113
17 die [function] [call site] 00114
17 BUG_fl [function] [call site] 00115
15 strbuf_addstr [function] [call site] 00116
15 strbuf_addch [function] [call site] 00117
15 xgethostname [function] [call site] 00118
16 gethostname [call site] 00119
15 strbuf_add [function] [call site] 00120
15 strlen [call site] 00121
15 hash_to_hex_algop_r [function] [call site] 00122
15 strbuf_addch [function] [call site] 00123
15 strbuf_add [function] [call site] 00124
15 strbuf_addf [function] [call site] 00125
16 strbuf_vaddf [function] [call site] 00126
17 strbuf_avail [function] [call site] 00127
17 strbuf_grow [function] [call site] 00128
17 vsnprintf [call site] 00129
17 _ [function] [call site] 00130
17 die [function] [call site] 00131
17 strbuf_avail [function] [call site] 00132
17 strbuf_grow [function] [call site] 00133
17 vsnprintf [call site] 00134
17 strbuf_avail [function] [call site] 00135
17 BUG_fl [function] [call site] 00136
17 strbuf_setlen [function] [call site] 00137
14 setenv [call site] 00138
12 strrchr [call site] 00139
12 strbuf_addstr [function] [call site] 00140
12 git_is_dir_sep [function] [call site] 00141
12 strbuf_addch [function] [call site] 00142
12 strbuf_addstr [function] [call site] 00143
12 tr2_dst_too_many_files [function] [call site] 00144
13 tr2_sysenv_get [function] [call site] 00145
13 strbuf_addstr [function] [call site] 00146
13 git_is_dir_sep [function] [call site] 00147
13 strbuf_addbuf [function] [call site] 00148
14 strbuf_grow [function] [call site] 00149
14 strbuf_setlen [function] [call site] 00150
13 strbuf_addstr [function] [call site] 00151
13 opendir [call site] 00152
13 readdir64 [call site] 00153
13 closedir [call site] 00154
13 open64 [call site] 00155
13 strbuf_release [function] [call site] 00156
14 strbuf_init [function] [call site] 00157
15 strbuf_grow [function] [call site] 00158
13 strbuf_release [function] [call site] 00159
12 strbuf_setlen [function] [call site] 00160
12 strbuf_addf [function] [call site] 00161
12 open64 [call site] 00162
12 strbuf_release [function] [call site] 00163
12 tr2_dst_want_warning [function] [call site] 00164
13 tr2_sysenv_get [function] [call site] 00165
12 tr2_sysenv_display_name [function] [call site] 00166
12 warning [function] [call site] 00167
12 tr2_dst_want_warning [function] [call site] 00168
12 tr2_sysenv_display_name [function] [call site] 00169
12 __errno_location [call site] 00170
12 warning [function] [call site] 00171
12 tr2_dst_trace_disable [function] [call site] 00172
13 close [call site] 00173
12 strbuf_release [function] [call site] 00174
12 strbuf_release [function] [call site] 00175
11 tr2_dst_try_path [function] [call site] 00176
12 open64 [call site] 00177
12 tr2_dst_want_warning [function] [call site] 00178
12 tr2_sysenv_display_name [function] [call site] 00179
12 __errno_location [call site] 00180
12 warning [function] [call site] 00181
12 tr2_dst_trace_disable [function] [call site] 00182
11 starts_with [function] [call site] 00183
11 tr2_dst_try_unix_domain_socket [function] [call site] 00184
12 skip_prefix [function] [call site] 00185
12 skip_prefix [function] [call site] 00186
12 skip_prefix [function] [call site] 00187
12 tr2_dst_want_warning [function] [call site] 00188
12 tr2_sysenv_display_name [function] [call site] 00189
12 warning [function] [call site] 00190
12 tr2_dst_trace_disable [function] [call site] 00191
12 is_absolute_path [function] [call site] 00192
12 strlen [call site] 00193
12 tr2_dst_want_warning [function] [call site] 00194
12 tr2_sysenv_display_name [function] [call site] 00195
12 warning [function] [call site] 00196
12 tr2_dst_trace_disable [function] [call site] 00197
12 tr2_dst_try_uds_connect [function] [call site] 00198
13 socket [call site] 00199
13 gitstrlcpy [function] [call site] 00200
14 strlen [call site] 00201
13 connect [call site] 00202
13 close [call site] 00203
13 __errno_location [call site] 00204
12 __errno_location [call site] 00205
12 tr2_dst_try_uds_connect [function] [call site] 00206
12 tr2_dst_want_warning [function] [call site] 00207
12 tr2_sysenv_display_name [function] [call site] 00208
12 __errno_location [call site] 00209
12 warning [function] [call site] 00210
12 tr2_dst_trace_disable [function] [call site] 00211
11 tr2_dst_malformed_warning [function] [call site] 00212
12 tr2_sysenv_display_name [function] [call site] 00213
12 warning [function] [call site] 00214
11 tr2_dst_trace_disable [function] [call site] 00215
8 common_exit [function] [call site] 00216
9 trace2_cmd_exit_fl [function] [call site] 00217
10 trace2_collect_process_info [function] [call site] 00218
11 trace2_is_enabled [function] [call site] 00219
11 getppid [call site] 00220
11 push_ancestry_name [function] [call site] 00221
12 stat_parent_pid [function] [call site] 00222
13 strbuf_addf [function] [call site] 00223
13 git_fopen [function] [call site] 00224
14 fopen64 [call site] 00225
14 fileno [call site] 00226
14 fclose [call site] 00227
14 fclose [call site] 00228
14 __errno_location [call site] 00229
13 strbuf_fread [function] [call site] 00230
14 strbuf_grow [function] [call site] 00231
14 fread [call site] 00232
14 strbuf_setlen [function] [call site] 00233
14 strbuf_release [function] [call site] 00234
13 parse_proc_stat [function] [call site] 00235
14 strchr [call site] 00236
14 strtol [call site] 00237
14 strbuf_add [function] [call site] 00238
13 fclose [call site] 00239
13 strbuf_release [function] [call site] 00240
13 strbuf_release [function] [call site] 00241
12 strvec_push [function] [call site] 00242
13 xstrdup [function] [call site] 00243
13 strvec_push_nodup [function] [call site] 00244
14 st_mult [function] [call site] 00245
14 xrealloc [function] [call site] 00246
12 push_ancestry_name [function] [call site] 00247
13 strbuf_release [function] [call site] 00248
11 trace2_cmd_ancestry_fl [function] [call site] 00249
12 tr2_dst_trace_want [function] [call site] 00250
11 strvec_clear [function] [call site] 00251
12 strvec_init [function] [call site] 00252
10 getnanotime [function] [call site] 00253
11 highres_nanos [function] [call site] 00254
12 clock_gettime [call site] 00255
11 gettimeofday_nanos [function] [call site] 00256
12 gettimeofday [call site] 00257
11 gettimeofday_nanos [function] [call site] 00258
11 highres_nanos [function] [call site] 00259
10 tr2tls_absolute_elapsed [function] [call site] 00260
10 tr2_dst_trace_want [function] [call site] 00261
8 exit [call site] 00262
2 const_error [function] [call site] 00263
2 st_mult [function] [call site] 00264
2 st_mult [function] [call site] 00265
2 error [function] [call site] 00266
2 const_error [function] [call site] 00267
2 error [function] [call site] 00268
2 const_error [function] [call site] 00269
2 st_mult [function] [call site] 00270