[PATCH v1] KVM: arm64: Fix bad dereference on MTE-enabled systems.

Marc Zyngier maz at kernel.org
Thu Oct 27 11:52:49 PDT 2022


On Thu, 27 Oct 2022 13:09:45 +0100, Ryan Roberts wrote:
> enter_exception64() performs an MTE check, which involves dereferencing
> vcpu->kvm. While vcpu has already been fixed up for hyp va, kvm is still
> a kern va pointer.
> 
> Fix this by first converting kvm to a hyp va pointer. If the system does
> not support MTE, the dereference is avoided in the first place.
> 
> [...]

Applied to fixes with minor commit message fixes, thanks!

[1/1] KVM: arm64: Fix bad dereference on MTE-enabled systems.
      commit: b6bcdc9f6b8321e4471ff45413b6410e16762a8d

Cheers,

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





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