W^X support in FreeBSD

[bryn1u85]

Hey Kornel,

Im just curious why just don't u use HardenedBSD instead FreeBSD ? Either
HardenedBSD has ports hardened including fstack-protector-all, SafeStack
and Control Flow Integrity


wt., 23 kwi 2019 o 13:18 Kornel Dulęba <mindal at semihalf.com> napisał(a):

> Hello,
>
> After doing some research I've noticed that FBSD is pretty much the only
> *BSD system without support for some sort of W^X policy.
> Also said policy is implemented in HardenedBSD which looks pretty much
> similar to FBSD.
> Would there be interest in reviewing/merging a patch that imports W^X
> (PAGEEXEC and MPROTECT) from HardenedBSD?
> I suppose that it would have to be disabled by default, as it breaks some
> things such as JIT.
>
> Regards
> Kornel Dulęba
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