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macOS Mojave "Hardened Runtime" #9210

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chamons opened this issue Jun 18, 2018 · 8 comments
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macOS Mojave "Hardened Runtime" #9210

chamons opened this issue Jun 18, 2018 · 8 comments
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@vargaz
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@chamons
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chamons commented Jun 18, 2018

A Xamairn.Mac user pointed out that in 10.14 there is a new MAP_JIT for mmap that you can pass. When combined with some entitlement, you can enable a "hardened runtime" mode that may become mandatory in the future.

xamarin/xamarin-macios#4288

Mono should look into what changes are needed for this.
@chamons chamons mentioned this issue Jun 18, 2018
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@vargaz
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vargaz commented Jun 18, 2018

Is there any documentation on this ?

@chamons
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chamons commented Jun 18, 2018

I checked https://asciiwwdc.com/ but I couldn't find anything yet...

@vargaz
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vargaz commented Jun 18, 2018

https://developer.apple.com/videos/play/wwdc2018/702/

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vargaz commented Jun 18, 2018

Around the 20 minute mark.

@marek-safar marek-safar added this to Backlog in Short Term Projects via automation Jun 19, 2018
@NattyNarwhal
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Somewhat adjacent may be OpenBSD's MAP_STACK mmap flag.

@vargaz vargaz mentioned this issue Jul 4, 2018
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@chamons
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chamons commented Aug 1, 2018

@vargaz I saw https://github.com/mono/mono/pull/9419/files, is that sufficient for this from runtime?

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vargaz commented Aug 1, 2018

That adds support for the MAP_JIT flag, not sure what else is needed.

@marek-safar marek-safar moved this from Backlog to Done in Short Term Projects Sep 25, 2018
@marek-safar marek-safar mentioned this issue Sep 25, 2018
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@chamons
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chamons commented Jan 10, 2019

This can be considered complete. Awhile ago I did sufficient hand testing to verify the MAP_JIT work.

@chamons chamons closed this as completed Jan 10, 2019
Short Term Projects automation moved this from Done to Completed Tasks in this Sprint Jan 10, 2019
@marek-safar marek-safar moved this from Completed Tasks in this Sprint to Done in Short Term Projects Jan 29, 2019
@jkotas jkotas mentioned this issue Jan 31, 2020
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@k15tfu k15tfu mentioned this issue Jun 24, 2020
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