Messages in this thread | | | Date | Fri, 25 Aug 2023 12:01:42 -0700 | Subject | Re: [PATCH 0/2] KVM: selftests: Fix sync_regs race tests on AMD | From | Sean Christopherson <> |
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On Thu, 17 Aug 2023 16:34:28 -0700, Sean Christopherson wrote: > The recently introduced sync_regs subtests to detect TOCTOU bugs hang on > AMD because KVM synthesizes INIT on triple fault shutdown (because AMD says > the VMCB is undefined after shutdown). Fix it by loading known good state > if a shutdown occurs. > > Patch two explicitly injects #UD as the "good" vector so that the test > doesn't rely on KVM inadvertantly setting the vector to #DE (old, buggy > behavior). > > [...]
Applied to kvm-x86 selftests.
[1/2] KVM: selftests: Reload "good" vCPU state if vCPU hits shutdown https://github.com/kvm-x86/linux/commit/5002b112a5ad [2/2] KVM: selftests: Explicit set #UD when *potentially* injecting exception https://github.com/kvm-x86/linux/commit/02dc2543e379
-- https://github.com/kvm-x86/linux/tree/next https://github.com/kvm-x86/linux/tree/fixes
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