OSV-2020-2100 Bad-cast to pcpp::IDnsResource from invalid vptr

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26669 Crash type: Bad-cast Crash state: Bad-cast to pcpp::IDnsResource from invalid vptr pcpp::DnsLayer::parseResources pcpp::DnsLayer::DnsLayer...

pcapplusplus:FuzzTarget: Bad-cast to pcpp::IDnsResource from invalid vptr in pcpp::DnsLayer::parseResources

Project: https://github.com/seladb/PcapPlusPlus.git Detailed Report: https://oss-fuzz.com/testcase?key=4695026405474304 Project: pcapplusplus Fuzzing Engine: libFuzzer Fuzz Target: FuzzTarget Job Type: libfuzzerubsanpcapplusplus Platform Id: linux Crash Type: Bad-cast Crash Address: 0x00000190260...