llvm/clang-fuzzer: Stack-buffer-overflow in clang::expandUCNs

Project: https://github.com/llvm/llvm-project.git Detailed report: https://oss-fuzz.com/testcase?key=5041559499177984 Project: llvm Fuzzer: libFuzzerllvmclang-fuzzer Fuzz target binary: clang-fuzzer Job Type: libfuzzerasanllvm Platform Id: linux Crash Type: Stack-buffer-overflow READ 1 Crash...