On Wed, 2024-02-14 at 17:41 +0100, Petr Tesařík wrote: > Second, a sandbox can run unmodified kernel code and interact > directly > with other parts of the kernel. It's not really possible with this > initial patch series, but the plan is that sandbox mode can share > locks > with the kernel. > > Third, sandbox code can be trusted for operations like parsing keys > for > the trusted keychain if the kernel is locked down, i.e. when even a > process with UID 0 is not on the same trust level as kernel mode. What use case needs to have the sandbox both protected from the kernel (trusted operations) and non-privileged (the kernel protected from it via CPL3)? It seems like opposite things.
