OSV-2020-201 Use-of-uninitialized-value in fuzzing::memory::memory_test_msan

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22453 Crash type: Use-of-uninitialized-value Crash state: fuzzing::memory::memorytestmsan cryptofuzz::ExecutorBase::postp cryptofuzz::ExecutorBase::Run...