Fuzz introspector: fuzz_zscanner
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 :

['munmap']

4 4 input_deinit call site: 00007 /src/knot-dns/src/libzscanner/scanner.c:6422
0 0 None 64 1915 parse call site: 00011 /src/knot-dns/src/libzscanner/scanner.c:6693
0 0 None 64 1915 parse call site: 00011 /src/knot-dns/src/libzscanner/scanner.c:6992
0 0 None 64 1915 parse call site: 00011 /src/knot-dns/src/libzscanner/scanner.c:7147
0 0 None 64 1915 parse call site: 00011 /src/knot-dns/src/libzscanner/scanner.c:7160
0 0 None 64 1915 parse call site: 00020 /src/knot-dns/src/libzscanner/scanner.c:7418
0 0 None 64 1915 parse call site: 00024 /src/knot-dns/src/libzscanner/scanner.c:7675
0 0 None 64 1915 parse call site: 00047 /src/knot-dns/src/libzscanner/scanner.c:7688
0 0 None 64 1915 parse call site: 00047 /src/knot-dns/src/libzscanner/scanner.c:7784
0 0 None 64 1915 parse call site: 00047 /src/knot-dns/src/libzscanner/scanner.c:7804
0 0 None 64 1915 parse call site: 00047 /src/knot-dns/src/libzscanner/scanner.c:8544
0 0 None 64 1915 parse call site: 00047 /src/knot-dns/src/libzscanner/scanner.c:8866

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 zs_init [function] [call site] 00001
2 strlen [call site] 00002
2 strlen [call site] 00003
2 snprintf [call site] 00004
2 zs_set_input_string [function] [call site] 00005
3 set_input_string [function] [call site] 00006
4 input_deinit [function] [call site] 00007
5 munmap [call site] 00008
5 close [call site] 00009
2 zs_parse_all [function] [call site] 00010
3 parse [function] [call site] 00011
4 htons [call site] 00012
4 pow [call site] 00013
4 pow [call site] 00014
4 pow [call site] 00015
4 htons [call site] 00016
4 htonl [call site] 00017
4 date_to_timestamp [function] [call site] 00018
4 htonl [call site] 00019
4 strtoull [call site] 00020
4 htonl [call site] 00021
4 snprintf [call site] 00022
4 wire_dname_to_str [function] [call site] 00023
4 wire_dname_to_str [function] [call site] 00024
4 zs_init [function] [call site] 00025
5 strdup [call site] 00026
4 zs_set_input_file [function] [call site] 00027
5 input_deinit [function] [call site] 00028
5 open [call site] 00029
5 __errno_location [call site] 00030
5 fstat [call site] 00031
5 input_deinit [function] [call site] 00032
5 read_file_to_buf [function] [call site] 00033
6 read [call site] 00034
6 realloc [call site] 00035
5 input_deinit [function] [call site] 00036
5 input_deinit [function] [call site] 00037
5 mmap [call site] 00038
5 input_deinit [function] [call site] 00039
5 madvise [call site] 00040
5 realpath [call site] 00041
5 dirname [call site] 00042
5 input_deinit [function] [call site] 00043
5 strdup [call site] 00044
5 input_deinit [function] [call site] 00045
4 zs_set_processing [function] [call site] 00046
4 zs_parse_all [function] [call site] 00047
5 set_input_string [function] [call site] 00048
5 parse [function] [call site] 00049
6 zs_deinit [function] [call site] 00050
7 input_deinit [function] [call site] 00051
6 zs_deinit [function] [call site] 00052
6 inet_pton [call site] 00053
6 inet_pton [call site] 00054
6 htons [call site] 00055
6 htons [call site] 00056
6 htons [call site] 00057
6 htons [call site] 00058
6 htons [call site] 00059
6 htons [call site] 00060
6 htons [call site] 00061
6 htons [call site] 00062
6 htons [call site] 00063
6 htons [call site] 00064
6 htons [call site] 00065
6 htons [call site] 00066
6 type_num [function] [call site] 00067
7 htons [call site] 00068
6 type_num [function] [call site] 00069
6 type_num [function] [call site] 00070
6 type_num [function] [call site] 00071
6 type_num [function] [call site] 00072
6 type_num [function] [call site] 00073
6 type_num [function] [call site] 00074
6 type_num [function] [call site] 00075
6 type_num [function] [call site] 00076
6 type_num [function] [call site] 00077
6 type_num [function] [call site] 00078
6 type_num [function] [call site] 00079
6 type_num [function] [call site] 00080
6 type_num [function] [call site] 00081
6 type_num [function] [call site] 00082
6 type_num [function] [call site] 00083
6 type_num [function] [call site] 00084
6 type_num [function] [call site] 00085
6 type_num [function] [call site] 00086
6 type_num [function] [call site] 00087
6 type_num [function] [call site] 00088
6 type_num [function] [call site] 00089
6 type_num [function] [call site] 00090
6 type_num [function] [call site] 00091
6 type_num [function] [call site] 00092
6 type_num [function] [call site] 00093
6 type_num [function] [call site] 00094
6 type_num [function] [call site] 00095
6 type_num [function] [call site] 00096
6 type_num [function] [call site] 00097
6 type_num [function] [call site] 00098
6 type_num [function] [call site] 00099
6 type_num [function] [call site] 00100
6 type_num [function] [call site] 00101
6 type_num [function] [call site] 00102
6 type_num [function] [call site] 00103
6 type_num [function] [call site] 00104
6 type_num [function] [call site] 00105
6 type_num [function] [call site] 00106
6 type_num [function] [call site] 00107
6 type_num [function] [call site] 00108
6 type_num [function] [call site] 00109
6 type_num [function] [call site] 00110
6 type_num [function] [call site] 00111
6 type_num [function] [call site] 00112
6 type_num [function] [call site] 00113
6 type_num [function] [call site] 00114
6 type_num [function] [call site] 00115
6 window_add_bit [function] [call site] 00116
6 window_add_bit [function] [call site] 00117
6 window_add_bit [function] [call site] 00118
6 window_add_bit [function] [call site] 00119
6 window_add_bit [function] [call site] 00120
6 window_add_bit [function] [call site] 00121
6 window_add_bit [function] [call site] 00122
6 window_add_bit [function] [call site] 00123
6 window_add_bit [function] [call site] 00124
6 window_add_bit [function] [call site] 00125
6 window_add_bit [function] [call site] 00126
6 window_add_bit [function] [call site] 00127
6 window_add_bit [function] [call site] 00128
6 window_add_bit [function] [call site] 00129
6 window_add_bit [function] [call site] 00130
6 window_add_bit [function] [call site] 00131
6 window_add_bit [function] [call site] 00132
6 window_add_bit [function] [call site] 00133
6 window_add_bit [function] [call site] 00134
6 window_add_bit [function] [call site] 00135
6 window_add_bit [function] [call site] 00136
6 window_add_bit [function] [call site] 00137
6 window_add_bit [function] [call site] 00138
6 window_add_bit [function] [call site] 00139
6 window_add_bit [function] [call site] 00140
6 window_add_bit [function] [call site] 00141
6 window_add_bit [function] [call site] 00142
6 window_add_bit [function] [call site] 00143
6 window_add_bit [function] [call site] 00144
6 window_add_bit [function] [call site] 00145
6 window_add_bit [function] [call site] 00146
6 window_add_bit [function] [call site] 00147
6 window_add_bit [function] [call site] 00148
6 window_add_bit [function] [call site] 00149
6 window_add_bit [function] [call site] 00150
6 window_add_bit [function] [call site] 00151
6 window_add_bit [function] [call site] 00152
6 window_add_bit [function] [call site] 00153
6 window_add_bit [function] [call site] 00154
6 window_add_bit [function] [call site] 00155
6 window_add_bit [function] [call site] 00156
6 window_add_bit [function] [call site] 00157
6 window_add_bit [function] [call site] 00158
6 window_add_bit [function] [call site] 00159
6 window_add_bit [function] [call site] 00160
6 window_add_bit [function] [call site] 00161
6 window_add_bit [function] [call site] 00162
6 window_add_bit [function] [call site] 00163
6 window_add_bit [function] [call site] 00164
6 loc64to8 [function] [call site] 00165
6 loc64to8 [function] [call site] 00166
6 loc64to8 [function] [call site] 00167
6 htonl [call site] 00168
6 htonl [call site] 00169
6 htonl [call site] 00170
6 svcb_check [function] [call site] 00171
7 __bswap_16 [function] [call site] 00172
7 memcmp [call site] 00173
7 __bswap_16 [function] [call site] 00174
7 memcmp [call site] 00175
6 svcb_sort [function] [call site] 00176
7 __bswap_16 [function] [call site] 00177
7 __bswap_16 [function] [call site] 00178
7 __bswap_16 [function] [call site] 00179
6 svcb_mandatory_sort [function] [call site] 00180
7 qsort [call site] 00181
7 mandatory_cmp [function] [call site] 00182
8 __bswap_16 [function] [call site] 00183
6 set_input_string [function] [call site] 00184
6 parse [function] [call site] 00185
1 zs_set_input_string [function] [call site] 00186
1 zs_parse_all [function] [call site] 00187
1 zs_deinit [function] [call site] 00188