Fuzz introspector: pdns/dnsdistdist/fuzz_xsk.cc
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
42 2 LLVMFuzzerTestOneInput call site: 00002 XskPacket::getEthernetHeader
8 53 LLVMFuzzerTestOneInput call site: 00053
4 62 LLVMFuzzerTestOneInput call site: 00062
3 49 LLVMFuzzerTestOneInput call site: 00049
2 46 LLVMFuzzerTestOneInput call site: 00046

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 XskSocket::getFrameSize [function] [call site] 00001
1 XskPacket::parse [function] [call site] 00002
2 XskPacket::getEthernetHeader [function] [call site] 00003
3 memcpy [function] [call site] 00004
2 htons [function] [call site] 00005
2 XskPacket::getIPv4Header [function] [call site] 00006
3 assert [function] [call site] 00007
3 assert [function] [call site] 00008
3 memcpy [function] [call site] 00009
2 static_cast<uint8_t> [function] [call site] 00010
2 makeComboAddressFromRaw [function] [call site] 00011
3 NetmaskException [function] [call site] 00012
3 memcpy [function] [call site] 00013
3 NetmaskException [function] [call site] 00014
3 memcpy [function] [call site] 00015
3 NetmaskException [function] [call site] 00016
2 reinterpret_cast<const [call site] 00017
2 makeComboAddressFromRaw [function] [call site] 00018
2 reinterpret_cast<const [call site] 00019
2 ntohs [function] [call site] 00020
2 htons [function] [call site] 00021
2 XskPacket::getIPv6Header [function] [call site] 00022
3 assert [function] [call site] 00023
3 assert [function] [call site] 00024
3 memcpy [function] [call site] 00025
2 makeComboAddressFromRaw [function] [call site] 00026
2 reinterpret_cast<const [call site] 00027
2 makeComboAddressFromRaw [function] [call site] 00028
2 reinterpret_cast<const [call site] 00029
2 ntohs [function] [call site] 00030
2 XskPacket::getUDPHeader [function] [call site] 00031
3 assert [function] [call site] 00032
3 memcpy [function] [call site] 00033
3 XskPacket::getL4HeaderOffset [function] [call site] 00034
2 XskPacket::getDataOffset [function] [call site] 00035
3 XskPacket::getL4HeaderOffset [function] [call site] 00036
2 XskPacket::getDataSize [function] [call site] 00037
3 XskPacket::getDataOffset [function] [call site] 00038
2 ntohs [function] [call site] 00039
2 setPort [function] [call site] 00040
3 htons [function] [call site] 00041
2 ntohs [function] [call site] 00042
2 setPort [function] [call site] 00043
2 ntohs [function] [call site] 00044
1 XskPacket::getToAddr [function] [call site] 00045
1 XskPacket::getFromAddr [function] [call site] 00046
1 XskPacket::getPayloadData [function] [call site] 00047
2 XskPacket::getDataOffset [function] [call site] 00048
1 XskPacket::getCapacity [function] [call site] 00049
1 XskPacket::getDataLen [function] [call site] 00050
2 XskPacket::getDataSize [function] [call site] 00051
1 XskPacket::getFrameLen [function] [call site] 00052
1 XskPacket::cloneHeaderToPacketBuffer [function] [call site] 00053
2 XskPacket::getFrameLen [function] [call site] 00054
2 XskPacket::getDataSize [function] [call site] 00055
2 memcpy [function] [call site] 00056
2 pdns::views::UnsignedCharView::data [function] [call site] 00057
3 reinterpret_cast<const [call site] 00058
3 pdns::views::UnsignedCharView::data [function] [call site] 00059
4 reinterpret_cast<const [call site] 00060
4 pdns::views::UnsignedCharView::data [function] [call site] 00061
1 XskPacket::clonePacketBuffer [function] [call site] 00062
2 XskPacket::getDataSize [function] [call site] 00063
2 memcpy [function] [call site] 00064
2 pdns::views::UnsignedCharView::data [function] [call site] 00065
2 XskPacket::getDataOffset [function] [call site] 00066