Buffer overflow in cp and mv commands

[Gregory Butenko]

Hi,
I have compiled coreutils with hardened gcc and now the following 
messages pop up when subtrees copied or moved:
       mv: stack smashing attack in function copy_internal()
             or
       cp: stack smashing attack in function copy_internal()

That is a good sign of a buffer overflow bug. Could someone fix that?
I run Linux on PPC with 64MB memory and this bug shows up when there is 
not enough memory, I believe.

Thanks,
Greg