Fuzz introspector: fuzz-consume-record
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
0 6 1 :

['avahi_free']

0 6 avahi_realloc call site: 00000 /src/avahi/avahi-common/malloc.c:148
0 0 None 6 23 avahi_unescape_label call site: 00049 /src/avahi/avahi-common/domain.c:81
0 0 None 4 98 avahi_record_is_valid call site: 00117 /src/avahi/avahi-core/rr.c:670
0 0 None 2 21 avahi_strdup call site: 00054 /src/avahi/avahi-common/malloc.c:164
0 0 None 0 316 avahi_dns_packet_consume_record call site: 00029 /src/avahi/avahi-core/dns.c:639
0 0 None 0 100 avahi_key_new call site: 00033 /src/avahi/avahi-core/rr.c:47
0 0 None 0 36 avahi_string_list_parse call site: 00097 /src/avahi/avahi-common/strlst.c:89
0 0 None 0 31 avahi_strdup_vprintf call site: 00166 /src/avahi/avahi-common/malloc.c:206
0 0 None 0 31 avahi_strdup_vprintf call site: 00167 /src/avahi/avahi-common/malloc.c:221
0 0 None 0 31 avahi_strdup_vprintf call site: 00167 /src/avahi/avahi-common/malloc.c:226
0 0 None 0 19 avahi_dns_packet_new call site: 00003 /src/avahi/avahi-core/dns.c:43
0 0 None 0 19 avahi_dns_packet_new call site: 00003 /src/avahi/avahi-core/dns.c:45

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 avahi_set_log_function [function] [call site] 00001
1 log_function [function] [call site] 00002
1 avahi_dns_packet_new [function] [call site] 00003
2 avahi_malloc [function] [call site] 00004
3 xmalloc [function] [call site] 00005
4 oom [function] [call site] 00006
5 strlen [call site] 00007
5 strlen [call site] 00008
5 abort [call site] 00009
3 __assert_fail [call site] 00010
1 avahi_dns_packet_consume_record [function] [call site] 00011
2 __assert_fail [call site] 00012
2 avahi_dns_packet_consume_name [function] [call site] 00013
3 consume_labels [function] [call site] 00014
4 __assert_fail [call site] 00015
4 avahi_escape_label [function] [call site] 00016
5 __assert_fail [call site] 00017
5 __assert_fail [call site] 00018
5 __assert_fail [call site] 00019
5 __assert_fail [call site] 00020
5 __assert_fail [call site] 00021
2 avahi_dns_packet_consume_uint16 [function] [call site] 00022
3 __assert_fail [call site] 00023
3 __assert_fail [call site] 00024
2 avahi_dns_packet_consume_uint16 [function] [call site] 00025
2 avahi_dns_packet_consume_uint32 [function] [call site] 00026
3 __assert_fail [call site] 00027
3 __assert_fail [call site] 00028
2 avahi_dns_packet_consume_uint16 [function] [call site] 00029
2 avahi_record_new_full [function] [call site] 00030
3 avahi_key_new [function] [call site] 00031
4 __assert_fail [call site] 00032
4 avahi_new_internal [function] [call site] 00033
5 avahi_malloc [function] [call site] 00034
4 avahi_log_error [function] [call site] 00035
5 avahi_log_ap [function] [call site] 00036
6 vsnprintf [call site] 00037
6 fprintf [call site] 00038
4 avahi_normalize_name_strdup [function] [call site] 00039
5 __assert_fail [call site] 00040
5 avahi_normalize_name [function] [call site] 00041
6 __assert_fail [call site] 00042
6 __assert_fail [call site] 00043
6 __assert_fail [call site] 00044
6 avahi_unescape_label [function] [call site] 00045
7 __assert_fail [call site] 00046
7 __assert_fail [call site] 00047
7 __ctype_b_loc [call site] 00048
7 __ctype_b_loc [call site] 00049
7 __assert_fail [call site] 00050
7 avahi_utf8_valid [function] [call site] 00051
6 strlen [call site] 00052
6 avahi_escape_label [function] [call site] 00053
5 avahi_strdup [function] [call site] 00054
6 strlen [call site] 00055
6 avahi_malloc [function] [call site] 00056
4 avahi_log_error [function] [call site] 00057
4 avahi_free [function] [call site] 00058
5 __assert_fail [call site] 00059
3 avahi_log_error [function] [call site] 00060
3 avahi_record_new [function] [call site] 00061
4 __assert_fail [call site] 00062
4 avahi_new_internal [function] [call site] 00063
4 avahi_log_error [function] [call site] 00064
4 avahi_key_ref [function] [call site] 00065
5 __assert_fail [call site] 00066
5 __assert_fail [call site] 00067
3 avahi_key_unref [function] [call site] 00068
4 __assert_fail [call site] 00069
4 __assert_fail [call site] 00070
4 avahi_free [function] [call site] 00071
4 avahi_free [function] [call site] 00072
3 avahi_log_error [function] [call site] 00073
2 parse_rdata [function] [call site] 00074
3 __assert_fail [call site] 00075
3 __assert_fail [call site] 00076
3 avahi_dns_packet_get_rptr [function] [call site] 00077
4 __assert_fail [call site] 00078
3 avahi_dns_packet_consume_name [function] [call site] 00079
3 avahi_strdup [function] [call site] 00080
3 avahi_dns_packet_consume_uint16 [function] [call site] 00081
3 avahi_dns_packet_consume_uint16 [function] [call site] 00082
3 avahi_dns_packet_consume_uint16 [function] [call site] 00083
3 avahi_dns_packet_consume_name [function] [call site] 00084
3 avahi_strdup [function] [call site] 00085
3 avahi_dns_packet_consume_string [function] [call site] 00086
4 __assert_fail [call site] 00087
4 __assert_fail [call site] 00088
4 __assert_fail [call site] 00089
3 avahi_strdup [function] [call site] 00090
3 avahi_dns_packet_consume_string [function] [call site] 00091
3 avahi_strdup [function] [call site] 00092
3 avahi_dns_packet_get_rptr [function] [call site] 00093
3 avahi_string_list_parse [function] [call site] 00094
4 __assert_fail [call site] 00095
4 __assert_fail [call site] 00096
4 avahi_string_list_add_arbitrary [function] [call site] 00097
5 avahi_string_list_add_anonymous [function] [call site] 00098
6 avahi_malloc [function] [call site] 00099
4 avahi_string_list_free [function] [call site] 00100
5 avahi_free [function] [call site] 00101
3 avahi_dns_packet_skip [function] [call site] 00102
4 __assert_fail [call site] 00103
3 avahi_dns_packet_consume_bytes [function] [call site] 00104
4 __assert_fail [call site] 00105
4 __assert_fail [call site] 00106
4 __assert_fail [call site] 00107
3 avahi_dns_packet_consume_bytes [function] [call site] 00108
3 avahi_dns_packet_get_rptr [function] [call site] 00109
3 avahi_memdup [function] [call site] 00110
4 __assert_fail [call site] 00111
4 avahi_malloc [function] [call site] 00112
3 avahi_dns_packet_skip [function] [call site] 00113
3 avahi_dns_packet_get_rptr [function] [call site] 00114
2 avahi_record_is_valid [function] [call site] 00115
3 __assert_fail [call site] 00116
3 avahi_key_is_valid [function] [call site] 00117
4 __assert_fail [call site] 00118
4 avahi_is_valid_domain_name [function] [call site] 00119
5 __assert_fail [call site] 00120
5 strlen [call site] 00121
5 avahi_unescape_label [function] [call site] 00122
3 avahi_is_valid_domain_name [function] [call site] 00123
3 avahi_is_valid_domain_name [function] [call site] 00124
3 strlen [call site] 00125
3 strlen [call site] 00126
2 avahi_record_unref [function] [call site] 00127
3 __assert_fail [call site] 00128
3 __assert_fail [call site] 00129
3 avahi_free [function] [call site] 00130
3 avahi_free [function] [call site] 00131
3 avahi_free [function] [call site] 00132
3 avahi_free [function] [call site] 00133
3 avahi_string_list_free [function] [call site] 00134
3 avahi_free [function] [call site] 00135
3 avahi_key_unref [function] [call site] 00136
3 avahi_free [function] [call site] 00137
1 avahi_record_is_valid [function] [call site] 00138
1 avahi_record_to_string [function] [call site] 00139
2 __assert_fail [call site] 00140
2 __assert_fail [call site] 00141
2 inet_ntop [call site] 00142
2 inet_ntop [call site] 00143
2 avahi_string_list_to_string [function] [call site] 00144
3 avahi_new_internal [function] [call site] 00145
3 avahi_string_list_reverse [function] [call site] 00146
3 __assert_fail [call site] 00147
3 avahi_string_list_reverse [function] [call site] 00148
2 snprintf [call site] 00149
2 snprintf [call site] 00150
2 snprintf [call site] 00151
2 strchr [call site] 00152
2 sprintf [call site] 00153
2 strchr [call site] 00154
2 avahi_key_to_string [function] [call site] 00155
3 __assert_fail [call site] 00156
3 __assert_fail [call site] 00157
3 avahi_dns_class_to_string [function] [call site] 00158
3 snprintf [call site] 00159
3 avahi_dns_type_to_string [function] [call site] 00160
3 snprintf [call site] 00161
3 avahi_strdup_printf [function] [call site] 00162
4 __assert_fail [call site] 00163
4 avahi_strdup_vprintf [function] [call site] 00164
5 __assert_fail [call site] 00165
5 avahi_malloc [function] [call site] 00166
5 vsnprintf [call site] 00167
5 avahi_free [function] [call site] 00168
2 avahi_strdup_printf [function] [call site] 00169
2 avahi_free [function] [call site] 00170
2 avahi_free [function] [call site] 00171
1 avahi_free [function] [call site] 00172
1 avahi_record_unref [function] [call site] 00173
1 avahi_dns_packet_free [function] [call site] 00174
2 __assert_fail [call site] 00175
2 avahi_hashmap_free [function] [call site] 00176
3 __assert_fail [call site] 00177
3 entry_free [function] [call site] 00178
4 __assert_fail [call site] 00179
4 __assert_fail [call site] 00180
4 __assert_fail [call site] 00181
4 avahi_free [function] [call site] 00182
3 avahi_free [function] [call site] 00183
2 avahi_free [function] [call site] 00184