On 6/20/07, Matthew Szudzik <mszudzik@andrew.cmu.edu> wrote:
quoted text
> It appears that a similar bug was encountered by Debian in 2005.  See
>
>  http://lists.debian.org/debian-glibc/2005/08/msg00289.html
>  http://lists.debian.org/debian-glibc/2005/08/msg00311.html
>  http://lists.debian.org/debian-glibc/2005/08/msg00483.html
>
> This would suggest that it might be a problem with OpenBSD's compat_linux.

right.  i'm not even sure what the growsdown flag does.  linux compat
is really only maintained to the extent that people find issues and
fix them.  you could try having the mprotect mask out the bad bits and
cross your fingers.