Index: llvm/trunk/include/llvm/Object/ELF.h =================================================================== --- llvm/trunk/include/llvm/Object/ELF.h +++ llvm/trunk/include/llvm/Object/ELF.h @@ -428,6 +428,8 @@ if (std::error_code EC = V.getError()) return EC; ArrayRef Data = *V; + if (Data.empty()) + return object_error::parse_failed; if (Data.back() != '\0') return object_error::string_table_non_null_end; return StringRef(Data.begin(), Data.size()); Index: llvm/trunk/test/Object/invalid.test =================================================================== --- llvm/trunk/test/Object/invalid.test +++ llvm/trunk/test/Object/invalid.test @@ -1,6 +1,7 @@ RUN: not llvm-dwarfdump %p/Inputs/invalid-bad-rel-type.elf 2>&1 | FileCheck %s RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-type.elf 2>&1 | FileCheck %s RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-size.elf 2>&1 | FileCheck %s +RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-zero-size.elf 2>&1 | FileCheck %s CHECK: Invalid data was encountered while parsing the file RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-non-null.elf 2>&1 | FileCheck --check-prefix=NON-NULL %s