86e5e10daf
elfdump -E on an empty file would complain "Invalid argument" because it tried to mmap zero bytes. With the -E flag, elfdump should simply exit non-zero. For tiny files, the code would reference off the end of the mapped region. Ensure the file is large enough to contain an ELF header before mapping it. MFC after: 1 week Sponsored by: Dell EMC Isilon