KVM: VMX: Unregister posted interrupt wakeup handler on hardware unsetup

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Unregister KVM's posted interrupt wakeup handler during unsetup so that a
spurious interrupt that arrives after kvm_intel.ko is unloaded doesn't
call into freed memory.

Fixes: bf9f6ac8d7 ("KVM: Update Posted-Interrupts Descriptor when vCPU is blocked")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211009001107.3936588-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2021-10-08 17:11:05 -07:00 • committed by Paolo Bonzini

parent 6ff53f6a43

commit ec5a4919fa

1 changed files with 5 additions and 2 deletions

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arch/x86/kvm/vmx/vmx.c

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