> > >   A good heuristic, though, might be to limit
quoted text
> > > argument size to a percentage (say 25%) of maximum stack size and
> > > validate this inside copy_strings().
> >
> > This seems to do:
>
> Looks good.

Me too.  As I increase the number of arguments, I now have
a smooth cutover from "works" to "Arg list too long", without
the in between zone where the process is killed.

The IA-32 compatability exec path is now working too (I didn't
stress it too hard, but I did try argument lists up to a megabyte).

Acked-by: Tony Luck <tony.luck@intel.com>
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