Re: [PATCH v2 3/5] KVM: arm64: vgic-v3: Unregister redistributors before freeing regions

Karl Mehltretter <[email protected]>
Newsgroups org.kernel.vger.linux-kselftest,dev.linux.lists.kvmarm,org.infradead.lists.linux-arm-kernel,org.kernel.vger.kvm,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
On Thu, Aug 20, 2026 at 09:58:57AM +0100, Marc Zyngier wrote:
> The other bit of interest is in __kvm_vgic_vcpu_destroy(), and its
> conditional removal of the RD iodevs. Can't we just get rid of this
> whole block altogether now that we have a saner failing path?

I tested removing that block.
It reintroduces the use-after-free fixed by ae8f8b376102
(“KVM: arm64: Unregister redistributor for failed vCPU creation”).

Karl
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