(subset) [PATCH v9 0/6] arm_ffa, KVM: Fix FF-A emad offset calculations

[Marc Zyngier]

On Thu, 02 Jul 2026 10:38:37 +0000, Sebastian Ene wrote:
> This series fixes the Endpoint Memory Access Descriptor (EMAD) offset
> calculations and adds the necessary bounds checks for both the core
> FF-A driver and the pKVM hypervisor.
> 
> Prior to FF-A version 1.1, the memory region header didn't specify an
> explicit offset for the EMADs, leading to the assumption that they
> immediately follow the header.
> However, from v1.1 onwards, the specification dictates using the
> ep_mem_offset` field to determine the start of the memory access
> array.
> 
> [...]

Applied to fixes, thanks!

[3/6] KVM: arm64: Fix bounds checking in do_ffa_mem_reclaim()
      commit: 8c6db30d79528279abbeb416e4f533f1f91b8724
[4/6] KVM: arm64: Validate the offset to the mem access descriptor
      commit: a6b49d27c17909608d54523220bb6f3498d4a1df
[5/6] KVM: arm64: Ensure FFA ranges are page aligned
      commit: 6a7a181f6921db3d9aed1bba7e15547fefd7eedc
[6/6] KVM: arm64: Zero out the stack initialized data in the FFA handler
      commit: 2bd3c6c702f3a9e2bcb3b536b0fbbaa645005d71

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.