Bug#650234: Use chroot's ld.so to do loading?

[Elliott Mitchell <ehem+outbound@m5p.com>]

Any progress as solving #650234?  Reads like the problem has been
identified, but no solution has come up.  I've got no idea if any
possible solutions are visible...

One thought, in wrapping execve(), use "<chroot>/lib/ld-linux.so.2" as
the filename.  Push "<chroot>/lib/ld-linux.so.2" on to argv[], then use
the filename as argv[1].  This means invoked programs will always see
their full pathname as argv[0], but ensures the chroot's loader is used.

Another thought, perhaps try loading ld.so's version of libc?  I'd
seriously worry about chroot programs needing a later version, but might
handle easier cases.


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