6 ms·

Can you elaborate on what you perceive as broken?

• saagarjha 1y ago
  mremap?
  • quotemstr 1y ago
    Add a a sliding window aliasing mode to the hardware? You'd set a page table bit saying "check capabilities not against my VA, but those VAs over there"
  • jrtc27 1y ago
    You may wish to read what the current pure-capability CHERI Linux user ABI specifies for mremap(), because we (primarily Arm, in conjunction with us) have thought about this, and the conclusion is not "the existence of mremap() makes CHERI undeployable". See https://git.morello-project.org/morello/kernel/linux/-/wikis/Morello-pure-capability-kernel-user-Linux-ABI-specification#mremap https://git.morello-project.org/morello/kernel/linux/-/wikis...