llvm_libcxxabi: Negative-size-param in std::__1::char_traits<char>::copy

Project: https://github.com/llvm/llvm-project.git Detailed report: https://oss-fuzz.com/testcase?key=6519608255184896 Project: llvmlibcxxabi Fuzzer: aflllvmlibcxxabicxademanglefuzzer Fuzz target binary: cxademanglefuzzer Job Type: aflasanllvmlibcxxabi Platform Id: linux Crash Type:...