[PATCH v3] KVM: arm64: nv: Fix incorrect VNCR invalidation range calculation

[Oliver Upton]

On Sat, 06 Sep 2025 13:07:24 +0900, p at sswd.pw wrote:
> The code for invalidating VNCR entries in both kvm_invalidate_vncr_ipa()
> and invalidate_vncr_va() incorrectly uses a bitwise AND with `(size - 1)`
> instead of `~(size - 1)` to align the start address. This results
> in masking the address bits instead of aligning them down to the start
> of the block.
> 
> This bug may cause stale VNCR TLB entries to remain valid even after a
> TLBI or MMU notifier, leading to incorrect memory translation and
> unexpected guest behavior.
> 
> [...]

Applied to fixes, thanks!

[1/1] KVM: arm64: nv: Fix incorrect VNCR invalidation range calculation
      https://git.kernel.org/kvmarm/kvmarm/c/5b9c1beaa1fd

--
Best,
Oliver