On 8/25/23 09:35, Fiona Ebner wrote:
The mentioned commits and reading in the mail threadCc: sta...@vger.kernel.org # v5.13+ Fixes: 3039bcc74498 ("KVM: Move x86's MMU notifier memslot walkers to generic code")This Fixes isn't correct. That change only affected x86, which doesn't have this bug. And looking at commit cd4c71835228 ("KVM: arm64: Convert to the gfn-based MMU notifier callbacks"), arm64 did NOT skip invalid slotsunfortunately make it sound like it's not an x86 issue. But who knows? I guess it won't hurt in either case, as it's already in upstream stable.
Also looks like the affected systems do not have KSM turned on either way, so it's quite unlikely to be the fix at this point.
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