Description of problem:
unknown addresses, e.g. the address of the initial execve, are printed with a
wrong with on x86-64.

Version-Release number of selected component (if applicable):
strace-4.5.8-1.x86_64

How reproducible:
always

Steps to Reproduce:
1.string -i /bin/echo
2.
3.
  
Actual results:
[????????] execve("/bin/echo", ["/bin/echo", "-n"], [/* 40 vars */]) = 0


Expected results:
[????????????????] execve("/bin/echo", ["/bin/echo"], [/* 40 vars */]) = 0


Additional info: