Fuzz introspector: /src/inspector/light/source_files/src/utils_fuzzer.cc
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
6 101 evutil_getaddrinfo call site: 00101 apply_socktype_protocol_hack
4 96 evutil_getaddrinfo call site: 00096 apply_numeric_port_hack
2 21 evutil_inet_pton_scope call site: 00021 __errno_location
2 42 evutil_inet_ntop call site: 00042 event_strlcpy_
2 49 evutil_format_sockaddr_port_ call site: 00049 evutil_getaddrinfo
2 75 evutil_new_addrinfo_ call site: 00075 evutil_freeaddrinfo
2 93 evutil_getaddrinfo call site: 00093 test_for_getaddrinfo_hacks
1 7 evutil_parse_sockaddr_port call site: 00007 evutil_inet_pton
1 24 event_mm_strdup_ call site: 00024 __errno_location
1 60 test_for_getaddrinfo_hacks call site: 00060 parse_numeric_servname
1 62 parse_numeric_servname call site: 00062 evutil_getaddrinfo_common_
1 65 evutil_getaddrinfo_common_ call site: 00065 getprotobynumber

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 evutil_parse_sockaddr_port [function] [call site] 00001
2 strchr [call site] 00002
2 strchr [call site] 00003
2 strchr [call site] 00004
2 atoi [call site] 00005
2 __bswap_16 [function] [call site] 00006
2 evutil_inet_pton_scope [function] [call site] 00007
3 evutil_inet_pton [function] [call site] 00008
4 __isoc99_sscanf [call site] 00009
4 __bswap_32 [function] [call site] 00010
4 strchr [call site] 00011
4 strlen [call site] 00012
4 EVUTIL_ISDIGIT_ [function] [call site] 00013
4 __isoc99_sscanf [call site] 00014
4 EVUTIL_ISXDIGIT_ [function] [call site] 00015
4 strtol [call site] 00016
3 strchr [call site] 00017
3 evutil_inet_pton [function] [call site] 00018
3 if_nametoindex [call site] 00019
3 strtoul [call site] 00020
3 event_mm_strdup_ [function] [call site] 00021
4 __errno_location [call site] 00022
4 strlen [call site] 00023
4 strdup [call site] 00024
4 __errno_location [call site] 00025
3 strchr [call site] 00026
3 evutil_inet_pton [function] [call site] 00027
3 event_mm_free_ [function] [call site] 00028
2 __bswap_16 [function] [call site] 00029
2 evutil_inet_pton [function] [call site] 00030
1 evutil_format_sockaddr_port_ [function] [call site] 00031
2 evutil_inet_ntop [function] [call site] 00032
3 __bswap_32 [function] [call site] 00033
3 evutil_snprintf [function] [call site] 00034
4 evutil_vsnprintf [function] [call site] 00035
5 vsnprintf [call site] 00036
3 evutil_snprintf [function] [call site] 00037
3 evutil_snprintf [function] [call site] 00038
3 strlen [call site] 00039
3 evutil_snprintf [function] [call site] 00040
3 strlen [call site] 00041
3 strlen [call site] 00042
3 event_strlcpy_ [function] [call site] 00043
4 strlen [call site] 00044
2 __bswap_16 [function] [call site] 00045
2 evutil_snprintf [function] [call site] 00046
2 evutil_inet_ntop [function] [call site] 00047
2 __bswap_16 [function] [call site] 00048
2 evutil_snprintf [function] [call site] 00049
2 evutil_snprintf [function] [call site] 00050
1 evutil_getaddrinfo [function] [call site] 00051
2 need_numeric_port_hack [function] [call site] 00052
3 test_for_getaddrinfo_hacks [function] [call site] 00053
4 getaddrinfo [call site] 00054
4 getaddrinfo [call site] 00055
4 getaddrinfo [call site] 00056
4 ai_find_protocol [function] [call site] 00057
4 freeaddrinfo [call site] 00058
4 freeaddrinfo [call site] 00059
4 freeaddrinfo [call site] 00060
2 parse_numeric_servname [function] [call site] 00061
3 strtol [call site] 00062
2 evutil_getaddrinfo_common_ [function] [call site] 00063
3 evutil_getaddrinfo_infer_protocols [function] [call site] 00064
3 evutil_unparse_protoname [function] [call site] 00065
4 getprotobynumber [call site] 00066
3 evutil_parse_servname [function] [call site] 00067
4 parse_numeric_servname [function] [call site] 00068
4 getservbyname [call site] 00069
4 __bswap_16 [function] [call site] 00070
3 __bswap_16 [function] [call site] 00071
3 __bswap_16 [function] [call site] 00072
3 evutil_new_addrinfo_ [function] [call site] 00073
4 evutil_new_addrinfo_ [function] [call site] 00074
5 evutil_new_addrinfo_ [function] [call site] 00075
6 evutil_freeaddrinfo [function] [call site] 00076
7 event_mm_free_ [function] [call site] 00077
7 event_mm_free_ [function] [call site] 00078
7 freeaddrinfo [call site] 00079
6 event_mm_calloc_ [function] [call site] 00080
7 calloc [call site] 00081
7 __errno_location [call site] 00082
3 __bswap_32 [function] [call site] 00083
3 evutil_new_addrinfo_ [function] [call site] 00084
3 evutil_freeaddrinfo [function] [call site] 00085
3 evutil_addrinfo_append_ [function] [call site] 00086
3 evutil_inet_pton_scope [function] [call site] 00087
3 __bswap_16 [function] [call site] 00088
3 evutil_new_addrinfo_ [function] [call site] 00089
3 evutil_inet_pton [function] [call site] 00090
3 __bswap_16 [function] [call site] 00091
3 evutil_new_addrinfo_ [function] [call site] 00092
2 need_socktype_protocol_hack [function] [call site] 00093
3 test_for_getaddrinfo_hacks [function] [call site] 00094
2 evutil_getaddrinfo_infer_protocols [function] [call site] 00095
2 getaddrinfo [call site] 00096
2 apply_numeric_port_hack [function] [call site] 00097
3 __bswap_16 [function] [call site] 00098
3 __bswap_16 [function] [call site] 00099
3 freeaddrinfo [call site] 00100
2 need_socktype_protocol_hack [function] [call site] 00101
2 apply_socktype_protocol_hack [function] [call site] 00102
3 evutil_getaddrinfo_infer_protocols [function] [call site] 00103
3 event_mm_malloc_ [function] [call site] 00104
3 event_mm_strdup_ [function] [call site] 00105
3 event_mm_free_ [function] [call site] 00106
2 evutil_freeaddrinfo [function] [call site] 00107
1 evutil_freeaddrinfo [function] [call site] 00108
1 evutil_getaddrinfo_common_ [function] [call site] 00109
1 evutil_freeaddrinfo [function] [call site] 00110
1 evutil_getaddrinfo_common_ [function] [call site] 00111
1 evutil_freeaddrinfo [function] [call site] 00112