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    SubjectRE: [PATCH] mm: optionally disable brk()
    Date
    From: David Hildenbrand
    > Sent: 05 October 2020 10:55
    ...
    > > If hardening and compatibility are seen as tradeoffs, perhaps there
    > > could be a top level config choice (CONFIG_HARDENING_TRADEOFF) for this.
    > > It would have options
    > > - "compatibility" (default) to gear questions for maximum compatibility,
    > > deselecting any hardening options which reduce compatibility
    > > - "hardening" to gear questions for maximum hardening, deselecting any
    > > compatibility options which reduce hardening
    > > - "none/manual": ask all questions like before
    >
    > I think the general direction is to avoid an exploding set of config
    > options. So if there isn't a *real* demand, I guess gluing this to a
    > single option ("CONFIG_SECURITY_HARDENING") might be good enough.

    Wouldn't that be better achieved by run-time clobbering
    of the syscall vectors?

    David

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