mono vs exec-shield

Arjan van de Ven arjan at fenrus.demon.nl
Sun Oct 22 01:32:30 UTC 2006


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?

selinux doesn't allow memory to be both executable and writable... it's
not execshield

(And to be honest, D and I cache coherency on some architectures doesn't
allow that either)





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