openbabel: heap-use-after-free in OpenBabel::FreeBondExpr

With the following new fuzz target: include "/src/openbabel/include/openbabel/rotor.h" include "/src/openbabel/include/openbabel/phmodel.h" include include extern "C" int LLVMFuzzerTestOneInputconst uint8t Data, sizet Size FuzzedDataProvider fuzzeddataproviderData, Size; std::string buffer =...