Fuzz introspector: fuzz_edp
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
40 40 5 :

['isatty', 'date', 'fflush', 'vsyslog', 'translate']

40 40 vlog call site: 00007 /src/lldpd/src/log.c:154
2 2 1 :

['__errno_location']

2 2 lldpd_alloc_mgmt call site: 00070 /src/lldpd/src/daemon/lldpd.c:278
0 0 None 63 155 edp_decode call site: 00043 /src/lldpd/src/daemon/protocols/edp.c:302
0 0 None 63 155 edp_decode call site: 00052 /src/lldpd/src/daemon/protocols/edp.c:353
0 0 None 63 155 edp_decode call site: 00054 /src/lldpd/src/daemon/protocols/edp.c:360
0 0 None 63 155 edp_decode call site: 00056 /src/lldpd/src/daemon/protocols/edp.c:371
0 0 None 63 155 edp_decode call site: 00058 /src/lldpd/src/daemon/protocols/edp.c:382
0 0 None 63 155 edp_decode call site: 00063 /src/lldpd/src/daemon/protocols/edp.c:408
0 0 None 63 155 edp_decode call site: 00066 /src/lldpd/src/daemon/protocols/edp.c:421
0 0 None 63 155 edp_decode call site: 00073 /src/lldpd/src/daemon/protocols/edp.c:428
0 0 None 63 63 edp_decode call site: 00020 /src/lldpd/src/daemon/protocols/edp.c:239
0 0 None 63 63 edp_decode call site: 00030 /src/lldpd/src/daemon/protocols/edp.c:244

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 log_register [function] [call site] 00001
1 donothing [function] [call site] 00002
1 edp_decode [function] [call site] 00003
2 log_debug [function] [call site] 00004
3 log_debug_accept_token [function] [call site] 00005
4 strcmp [call site] 00006
3 vlog [function] [call site] 00007
4 vasprintf [call site] 00008
4 vsyslog [call site] 00009
4 date [function] [call site] 00010
5 time [call site] 00011
5 localtime [call site] 00012
5 strftime [call site] 00013
4 isatty [call site] 00014
4 asprintf [call site] 00015
4 vfprintf [call site] 00016
4 fprintf [call site] 00017
4 vfprintf [call site] 00018
4 fflush [call site] 00019
2 calloc [call site] 00020
2 log_warn [function] [call site] 00021
3 __errno_location [call site] 00022
3 __errno_location [call site] 00025
3 __errno_location [call site] 00027
2 calloc [call site] 00030
2 memcmp [call site] 00034
2 ntohs [call site] 00037
2 log_debug [function] [call site] 00038
2 log_warnx [function] [call site] 00039
2 ntohs [call site] 00040
2 ntohs [call site] 00041
2 log_warnx [function] [call site] 00042
2 log_warnx [function] [call site] 00043
2 log_warnx [function] [call site] 00045
2 log_warnx [function] [call site] 00046
2 ntohs [call site] 00047
2 log_debug [function] [call site] 00048
2 log_warnx [function] [call site] 00049
2 ntohs [call site] 00050
2 ntohs [call site] 00051
2 asprintf [call site] 00052
2 asprintf [call site] 00054
2 asprintf [call site] 00056
2 calloc [call site] 00058
2 log_warnx [function] [call site] 00060
2 log_debug [function] [call site] 00061
2 log_warnx [function] [call site] 00062
2 calloc [call site] 00063
2 ntohs [call site] 00065
2 lldpd_alloc_mgmt [function] [call site] 00066
3 log_debug [function] [call site] 00067
3 __errno_location [call site] 00068
3 __errno_location [call site] 00069
3 calloc [call site] 00070
3 __errno_location [call site] 00071
2 calloc [call site] 00073
2 log_debug [function] [call site] 00075
2 memcmp [call site] 00076
2 lldpd_vlan_cleanup [function] [call site] 00077
2 memcmp [call site] 00078
2 log_warnx [function] [call site] 00079
2 lldpd_chassis_cleanup [function] [call site] 00080
3 lldpd_chassis_mgmt_cleanup [function] [call site] 00081
4 log_debug [function] [call site] 00082
3 log_debug [function] [call site] 00083
2 lldpd_port_cleanup [function] [call site] 00084
3 lldpd_vlan_cleanup [function] [call site] 00085
3 lldpd_ppvid_cleanup [function] [call site] 00086
3 lldpd_pi_cleanup [function] [call site] 00087
3 lldpd_custom_list_cleanup [function] [call site] 00088
1 lldpd_port_cleanup [function] [call site] 00089
1 lldpd_chassis_cleanup [function] [call site] 00090