Surely there is an “out” for JITs that have not yet adopted W^X? | Hacker News

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		saagarjha on Dec 23, 2019 \| parent \| context \| favorite \| on: OpenBSD system-call-origin verification Surely there is an “out” for JITs that have not yet adopted W^X?

tedunangst on Dec 23, 2019 | [–]

An opt in actually, to request looser checks.

lostmsu on Dec 23, 2019 | [–]

Can't you make page temporarily RW, JIT, then switch back to RX?

saagarjha on Dec 23, 2019 | [–]

You can, but the application needs to support this.

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