Fuzz introspector: fuzz_pcap
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
8 21 pcap_open_offline_with_tstamp_precision call site: 00021 pcapint_fmt_errmsg_for_errno
8 44 pcapint_offline_read call site: 00044 pcapint_filter_with_aux_data
3 6 bufferToFile call site: 00006 __errno_location
2 10 bufferToFile call site: 00010 __errno_location
2 18 pcap_open_offline call site: 00018 snprintf
2 33 pcap_fopen_offline_with_tstamp_precision call site: 00033 pcapint_fmt_errmsg_for_errno
1 13 bufferToFile call site: 00013 fclose
1 15 bufferToFile call site: 00015 unlink
1 30 pcap_open_offline_with_tstamp_precision call site: 00030 snprintf
1 55 LLVMFuzzerTestOneInput call site: 00055 fprintf

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 fopen [call site] 00001
1 snprintf [call site] 00002
1 mkstemp [call site] 00003
1 close [call site] 00004
1 bufferToFile [function] [call site] 00005
2 remove [call site] 00006
2 __errno_location [call site] 00007
2 __errno_location [call site] 00008
2 printf [call site] 00009
2 fopen [call site] 00010
2 __errno_location [call site] 00011
2 printf [call site] 00012
2 fwrite [call site] 00013
2 fclose [call site] 00014
2 fclose [call site] 00015
1 unlink [call site] 00016
1 pcap_open_offline [function] [call site] 00017
2 pcap_open_offline_with_tstamp_precision [function] [call site] 00018
3 snprintf [call site] 00019
3 snprintf [call site] 00020
3 fopen [call site] 00021
3 __errno_location [call site] 00022
3 pcapint_fmt_errmsg_for_errno [function] [call site] 00023
4 pcapint_vfmt_errmsg_for_errno [function] [call site] 00024
5 vsnprintf [call site] 00025
5 strlen [call site] 00026
5 pcap_strerror [function] [call site] 00027
6 strerror_r [call site] 00028
5 snprintf [call site] 00029
3 pcap_fopen_offline_with_tstamp_precision [function] [call site] 00030
4 snprintf [call site] 00031
4 fread [call site] 00032
4 ferror [call site] 00033
4 __errno_location [call site] 00034
4 pcapint_fmt_errmsg_for_errno [function] [call site] 00035
4 snprintf [call site] 00036
4 snprintf [call site] 00037
4 fileno [call site] 00038
3 fclose [call site] 00039
1 fprintf [call site] 00040
1 unlink [call site] 00041
1 pcap_next_ex [function] [call site] 00042
2 pcapint_offline_read [function] [call site] 00043
3 pcapint_filter [function] [call site] 00044
4 pcapint_filter_with_aux_data [function] [call site] 00045
5 abort [call site] 00046
5 EXTRACT_BE_U_4 [function] [call site] 00047
6 ntohl [call site] 00048
5 EXTRACT_BE_U_2 [function] [call site] 00049
6 ntohs [call site] 00050
5 EXTRACT_BE_U_4 [function] [call site] 00051
5 EXTRACT_BE_U_2 [function] [call site] 00052
1 fprintf [call site] 00053
1 pcap_next_ex [function] [call site] 00054
1 pcap_stats [function] [call site] 00055
1 fprintf [call site] 00056
1 pcap_close [function] [call site] 00057
1 unlink [call site] 00058