mono vs exec-shield

Alexander Larsson alexl at redhat.com
Thu Oct 19 15:11:17 UTC 2006


On Thu, 2006-10-19 at 10:32 -0400, Peter Jones wrote:
> On Thu, 2006-10-19 at 11:12 +0200, Alexander Larsson wrote:
> > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=210830 describes an
> > issue where mono crashes on startup with later kernels that have
> > exec-shield enabled. I don't see this on my Core Duo machine, so I don't
> > know exactly what machines see this. Anyone else see this?
> >
> > Mono does use mprotect to make the heap pages executable. Is there
> > something in exec-shield prohibiting this for some machines? If so, is
> > there a way to disable this for the mono binary?
> 
> Are you running with SELinux enabled?  Policy can disallow this
> outright...  Although at first glance it looks like policy currently
> allows execheap and execmem (but not execstack) for mono.

Yes, selinux is enabled.

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 Alexander Larsson                                            Red Hat, Inc 
                   alexl at redhat.com    alla at lysator.liu.se 
He's a lounge-singing arachnophobic cop who must take medication to keep him 
sane. She's a wealthy red-headed college professor from a different time and 
place. They fight crime! 




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