OSV-2021-398 Segv on unknown address in llvm_ks::StringRef::operator

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30932 Crash type: Segv on unknown address Crash state: llvmks::StringRef::operator llvmks::HashString llvmks::StringMapImpl::LookupBucketFor...

llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in llvm::StringMapImpl::LookupBucketFor

Project: https://github.com/llvm/llvm-project.git Detailed report: https://oss-fuzz.com/testcase?key=5111016741404672 Project: llvm Fuzzer: libFuzzerllvmllvm-dwarfdump-fuzzer Fuzz target binary: llvm-dwarfdump-fuzzer Job Type: libfuzzerasanllvm Platform Id: linux Crash Type: Heap-buffer-overflow...

llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in llvm::StringMapImpl::LookupBucketFor

Project: https://github.com/llvm/llvm-project.git Detailed report: https://oss-fuzz.com/testcase?key=4880755009257472 Project: llvm Fuzzer: libFuzzerllvmllvm-dwarfdump-fuzzer Fuzz target binary: llvm-dwarfdump-fuzzer Job Type: libfuzzerasanllvm Platform Id: linux Crash Type: Heap-buffer-overflow...

llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in llvm::StringMapImpl::LookupBucketFor

Project: https://github.com/llvm/llvm-project.git Detailed report: https://oss-fuzz.com/testcase?key=6523301993119744 Project: llvm Fuzzer: libFuzzerllvmllvm-dwarfdump-fuzzer Fuzz target binary: llvm-dwarfdump-fuzzer Job Type: libfuzzerasanllvm Platform Id: linux Crash Type: Heap-buffer-overflow...