Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked	Calltree index	Parent function	Callsite	Largest blocked function
10	5	pcap_fopen_offline_with_tstamp_precision	call site: 00005	pcapint_fmt_errmsg_for_errno
8	22	pcapint_offline_read	call site: 00022	pcapint_filter_with_aux_data
4	87	get_l2len_protocol	call site: 00087	pcap_datalink_val_to_description
3	55	parse_metadata	call site: 00055	fprintf
2	35	get_l2len_protocol	call site: 00035	fprintf
1	3	pcap_fopen_offline	call site: 00003	snprintf

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fmemopen

[call site] 00001


           pcap_fopen_offline

[function] [call site] 00002


             pcap_fopen_offline_with_tstamp_precision

[function] [call site] 00003


               snprintf

[call site] 00004


               fread

[call site] 00005


               ferror

[call site] 00006


               __errno_location

[call site] 00007


               pcapint_fmt_errmsg_for_errno

[function] [call site] 00008


                 pcapint_vfmt_errmsg_for_errno

[function] [call site] 00009


                   vsnprintf

[call site] 00010


                   strlen

[call site] 00011


                   pcap_strerror

[function] [call site] 00012


                     strerror_r

[call site] 00013


                   snprintf

[call site] 00014


               snprintf

[call site] 00015


               snprintf

[call site] 00016


               fileno

[call site] 00017


           fclose

[call site] 00018


           pcap_datalink

[function] [call site] 00019


           pcap_next_ex

[function] [call site] 00020


             pcapint_offline_read

[function] [call site] 00021


               pcapint_filter

[function] [call site] 00022


                 pcapint_filter_with_aux_data

[function] [call site] 00023


                   abort

[call site] 00024


                   EXTRACT_BE_U_4

[function] [call site] 00025


                     ntohl

[call site] 00026


                   EXTRACT_BE_U_2

[function] [call site] 00027


                     ntohs

[call site] 00028


                   EXTRACT_BE_U_4

[function] [call site] 00029


                   EXTRACT_BE_U_2

[function] [call site] 00030


           get_l2len_protocol

[function] [call site] 00031


             __assert_fail

[call site] 00032


             __assert_fail

[call site] 00033


             __assert_fail

[call site] 00034


             __assert_fail

[call site] 00035


             fprintf

[call site] 00036


             fflush

[call site] 00037


             pcap_datalink_val_to_description

[function] [call site] 00038


             fprintf

[call site] 00039


             memcmp

[call site] 00040


             pcap_datalink_val_to_description

[function] [call site] 00041


             fprintf

[call site] 00042


             pcap_datalink_val_to_description

[function] [call site] 00043


             fprintf

[call site] 00044


             ntohs

[call site] 00045


             pcap_datalink_val_to_description

[function] [call site] 00046


             fprintf

[call site] 00047


             pcap_datalink_val_to_description

[function] [call site] 00048


             fprintf

[call site] 00049


             ntohs

[call site] 00050


             parse_metadata

[function] [call site] 00051


               __assert_fail

[call site] 00052


               __assert_fail

[call site] 00053


               __assert_fail

[call site] 00054


               __assert_fail

[call site] 00055


               fprintf

[call site] 00056


               fflush

[call site] 00057


               exit

[call site] 00058


               parse_vlan

[function] [call site] 00059


                 fprintf

[call site] 00060


                 ntohs

[call site] 00061


               parse_mpls

[function] [call site] 00062


                 __assert_fail

[call site] 00063


                 __assert_fail

[call site] 00064


                 __assert_fail

[call site] 00065


                 fprintf

[call site] 00066


                 ntohl

[call site] 00067


                 fprintf

[call site] 00068


                 fprintf

[call site] 00069


                 fprintf

[call site] 00070


                 ntohs

[call site] 00071


                 fprintf

[call site] 00072


             pcap_datalink_val_to_description

[function] [call site] 00073


             fprintf

[call site] 00074


             pcap_datalink_val_to_description

[function] [call site] 00075


             fprintf

[call site] 00076


             ntohs

[call site] 00077


             ntohs

[call site] 00078


             pcap_datalink_val_to_description

[function] [call site] 00079


             fprintf

[call site] 00080


             ntohs

[call site] 00081


             pcap_datalink_val_to_description

[function] [call site] 00082


             fprintf

[call site] 00083


             ntohs

[call site] 00084


             pcap_datalink_val_to_description

[function] [call site] 00085


             fprintf

[call site] 00086


             ntohs

[call site] 00087


             pcap_datalink_val_to_description

[function] [call site] 00088


             fprintf

[call site] 00089


             fflush

[call site] 00090


             exit

[call site] 00091


           get_layer4_v4

[function] [call site] 00092


             __assert_fail

[call site] 00093


             __assert_fail

[call site] 00094


           get_layer4_v6

[function] [call site] 00095


             __assert_fail

[call site] 00096


             __assert_fail

[call site] 00097


             get_layer4_v6

[function] [call site] 00098


               get_ipv6_next

[function] [call site] 00099


                 __assert_fail

[call site] 00100


               ipv6_exthdr_fits

[function] [call site] 00101


               get_ipv6_next

[function] [call site] 00102


               ipv6_exthdr_fits

[function] [call site] 00103


               ipv6_exthdr_fits

[function] [call site] 00104


           get_ipv6_l4proto

[function] [call site] 00105


             __assert_fail

[call site] 00106


             get_ipv6_l4proto

[function] [call site] 00107


               get_ipv6_next

[function] [call site] 00108


           pcap_close

[function] [call site] 00109