Fuzz introspector: fuzz_fragroute
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
40 99 get_l2len_protocol call site: 00099 pkt_new
33 8 fuzz_write_tempfile call site: 00008 fragroute_process
5 0 EP call site: 00000 fuzz_write_tempfile
3 65 parse_metadata call site: 00065 fprintf
2 45 get_l2len_protocol call site: 00045 fprintf

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fuzz_quiet_stdout [function] [call site] 00001
2 open [call site] 00002
2 dup2 [call site] 00003
2 close [call site] 00004
1 fuzz_write_tempfile [function] [call site] 00005
2 mkstemp [call site] 00006
2 write [call site] 00007
2 close [call site] 00008
2 unlink [call site] 00009
1 fragroute_init [function] [call site] 00010
2 sprintf [call site] 00011
2 our_safe_malloc [function] [call site] 00012
3 fprintf [call site] 00013
3 exit [call site] 00014
2 our_safe_malloc [function] [call site] 00015
2 pkt_init [function] [call site] 00016
3 bectl [function] [call site] 00017
2 mod_open [function] [call site] 00018
3 fopen [call site] 00019
3 snprintf [call site] 00020
3 fgets [call site] 00021
3 argv_create [function] [call site] 00022
4 __ctype_b_loc [call site] 00023
4 __ctype_b_loc [call site] 00024
3 snprintf [call site] 00025
3 strcasecmp [call site] 00026
3 snprintf [call site] 00027
3 calloc [call site] 00028
3 snprintf [call site] 00029
3 snprintf [call site] 00030
3 fclose [call site] 00031
2 fragroute_close [function] [call site] 00032
3 __assert_fail [call site] 00033
3 mod_close [function] [call site] 00034
3 pkt_close [function] [call site] 00035
1 unlink [call site] 00036
1 fragroute_process [function] [call site] 00037
2 __assert_fail [call site] 00038
2 __assert_fail [call site] 00039
2 get_l2len [function] [call site] 00040
3 get_l2len_protocol [function] [call site] 00041
4 __assert_fail [call site] 00042
4 __assert_fail [call site] 00043
4 __assert_fail [call site] 00044
4 __assert_fail [call site] 00045
4 fprintf [call site] 00046
4 fflush [call site] 00047
4 pcap_datalink_val_to_description [function] [call site] 00048
4 fprintf [call site] 00049
4 memcmp [call site] 00050
4 pcap_datalink_val_to_description [function] [call site] 00051
4 fprintf [call site] 00052
4 pcap_datalink_val_to_description [function] [call site] 00053
4 fprintf [call site] 00054
4 ntohs [call site] 00055
4 pcap_datalink_val_to_description [function] [call site] 00056
4 fprintf [call site] 00057
4 pcap_datalink_val_to_description [function] [call site] 00058
4 fprintf [call site] 00059
4 ntohs [call site] 00060
4 parse_metadata [function] [call site] 00061
5 __assert_fail [call site] 00062
5 __assert_fail [call site] 00063
5 __assert_fail [call site] 00064
5 __assert_fail [call site] 00065
5 fprintf [call site] 00066
5 fflush [call site] 00067
5 exit [call site] 00068
5 parse_vlan [function] [call site] 00069
6 fprintf [call site] 00070
6 ntohs [call site] 00071
5 parse_mpls [function] [call site] 00072
6 __assert_fail [call site] 00073
6 __assert_fail [call site] 00074
6 __assert_fail [call site] 00075
6 fprintf [call site] 00076
6 ntohl [call site] 00077
6 fprintf [call site] 00078
6 fprintf [call site] 00079
6 fprintf [call site] 00080
6 ntohs [call site] 00081
6 fprintf [call site] 00082
4 pcap_datalink_val_to_description [function] [call site] 00083
4 fprintf [call site] 00084
4 pcap_datalink_val_to_description [function] [call site] 00085
4 fprintf [call site] 00086
4 ntohs [call site] 00087
4 ntohs [call site] 00088
4 pcap_datalink_val_to_description [function] [call site] 00089
4 fprintf [call site] 00090
4 ntohs [call site] 00091
4 pcap_datalink_val_to_description [function] [call site] 00092
4 fprintf [call site] 00093
4 ntohs [call site] 00094
4 pcap_datalink_val_to_description [function] [call site] 00095
4 fprintf [call site] 00096
4 ntohs [call site] 00097
4 pcap_datalink_val_to_description [function] [call site] 00098
4 fprintf [call site] 00099
2 snprintf [call site] 00100
2 pkt_new [function] [call site] 00101
3 bget [function] [call site] 00102
4 __assert_fail [call site] 00103
4 __assert_fail [call site] 00104
4 __assert_fail [call site] 00105
4 __assert_fail [call site] 00106
4 __assert_fail [call site] 00107
4 bpool [function] [call site] 00108
5 __assert_fail [call site] 00109
5 __assert_fail [call site] 00110
5 __assert_fail [call site] 00111
4 bget [function] [call site] 00112
3 brel [function] [call site] 00113
4 __assert_fail [call site] 00114
4 __assert_fail [call site] 00115
4 __assert_fail [call site] 00116
4 __assert_fail [call site] 00117
4 __assert_fail [call site] 00118
4 __assert_fail [call site] 00119
4 __assert_fail [call site] 00120
4 __assert_fail [call site] 00121
4 __assert_fail [call site] 00122
4 __assert_fail [call site] 00123
4 __assert_fail [call site] 00124
4 __assert_fail [call site] 00125
4 __assert_fail [call site] 00126
4 __assert_fail [call site] 00127
4 __assert_fail [call site] 00128
2 strcpy [call site] 00129
2 pkt_decorate [function] [call site] 00130
3 htons [call site] 00131
3 ntohs [call site] 00132
3 ntohs [call site] 00133
3 ntohs [call site] 00134
2 strcpy [call site] 00135
2 mod_apply [function] [call site] 00136
3 fprintf [call site] 00137
1 fragroute_getfragment [function] [call site] 00138
1 fragroute_close [function] [call site] 00139