OSV-2020-407 Heap-double-free in opt_cleanup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15178 Crash type: Heap-double-free Crash state: optcleanup bpfoptimize pcapcompile...

libpcap/fuzz_filter: Heap-double-free in opt_cleanup

Project: https://github.com/the-tcpdump-group/libpcap.git Detailed report: https://oss-fuzz.com/testcase?key=5641391398453248 Project: libpcap Fuzzer: afllibpcapfuzzfilter Fuzz target binary: fuzzfilter Job Type: aflasanlibpcap Platform Id: linux Crash Type: Heap-double-free Crash Address:...