Fuzz introspector: libpcap/testprogs/fuzz/fuzz_pcap.c
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
51 13 LLVMFuzzerTestOneInput call site: 00013 pcap_open_offline
20 67 LLVMFuzzerTestOneInput call site: 00067 pcap_next_ex
8 4 LLVMFuzzerTestOneInput call site: 00004 bufferToFile
1 1 LLVMFuzzerTestOneInput call site: 00001

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 pcap_open_offline [function] [call site] 00014
2 pcap_open_offline_with_tstamp_precision [function] [call site] 00015
3 SET_BINMODE [function] [call site] 00018
3 pcapint_charset_fopen [function] [call site] 00019
3 pcapint_fmt_errmsg_for_errno [function] [call site] 00020
4 pcapint_vfmt_errmsg_for_errno [function] [call site] 00022
5 vsnprintf [function] [call site] 00023
5 _wcserror_s [function] [call site] 00025
5 utf_16le_to_utf_8_truncated [function] [call site] 00027
6 IS_LEADING_SURROGATE [function] [call site] 00028
6 IS_TRAILING_SURROGATE [function] [call site] 00029
6 SURROGATE_VALUE [function] [call site] 00030
6 IS_TRAILING_SURROGATE [function] [call site] 00031
5 utf_8_to_acp_truncated [function] [call site] 00032
6 cp_to_utf_16le [function] [call site] 00033
7 MultiByteToWideChar [function] [call site] 00034
7 MultiByteToWideChar [function] [call site] 00036
6 WideCharToMultiByte [function] [call site] 00039
6 GetLastError [function] [call site] 00040
5 pcap_strerror [function] [call site] 00046
6 strerror_s [function] [call site] 00047
6 pcapint_strlcpy [function] [call site] 00048
6 strerror_r [function] [call site] 00049
6 strerror_r [function] [call site] 00050
3 pcap_fopen_offline_with_tstamp_precision [function] [call site] 00056
4 pcapint_fmt_errmsg_for_errno [function] [call site] 00060
1 pcap_next_ex [function] [call site] 00067
2 pcapint_offline_read [function] [call site] 00068
3 PACKET_COUNT_IS_UNLIMITED [function] [call site] 00069
3 pcap_t*::next_packet_op [function] [call site] 00070
3 pcapint_filter [function] [call site] 00071
4 pcapint_filter_with_aux_data [function] [call site] 00072
5 EXTRACT_LONG [function] [call site] 00074
5 EXTRACT_SHORT [function] [call site] 00075
5 EXTRACT_LONG [function] [call site] 00076
5 EXTRACT_SHORT [function] [call site] 00077
2 pcap_t*::read_op [function] [call site] 00078
1 pcap_next_ex [function] [call site] 00080
1 pcap_stats [function] [call site] 00081
2 pcap_t*::stats_op [function] [call site] 00082
1 pcap_close [function] [call site] 00084
2 pcap_t*::cleanup_op [function] [call site] 00085