From: "Theo de Raadt" <>
Date: Thu, 28 Sep 2023 21:43:47 -0600

> Our kernel also has the concept of guard-pages, meaning it will try to
> keep a gap of 1 page between mmap() allocations.

I didn't know about guard-pages feature.

> The way it is coded, it isn't perfect, but it tends to work and
> catch some issues.

Thank you for the useful information.
ASOU Masato

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