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author | Sean Christopherson <seanjc@google.com> | 2023-01-07 04:10:20 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-11 18:39:58 +0300 |
commit | 018798c6fbefe03b05eff96629fb9b15a1115c3d (patch) | |
tree | f40309dd7a798c51fa8374f383e293460ce8d55b /Documentation/virt/kvm/devices/mpic.rst | |
parent | 76a9886e1b61ce5592df5ae78a19ed30399ae189 (diff) | |
download | linux-018798c6fbefe03b05eff96629fb9b15a1115c3d.tar.xz |
KVM: x86: Inject #GP if WRMSR sets reserved bits in APIC Self-IPI
commit ba5838abb05334e4abfdff1490585c7f365e0424 upstream.
Inject a #GP if the guest attempts to set reserved bits in the x2APIC-only
Self-IPI register. Bits 7:0 hold the vector, all other bits are reserved.
Reported-by: Marc Orr <marcorr@google.com>
Cc: Ben Gardon <bgardon@google.com>
Cc: Venkatesh Srinivas <venkateshs@chromium.org>
Cc: stable@vger.kernel.org
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20230107011025.565472-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/virt/kvm/devices/mpic.rst')
0 files changed, 0 insertions, 0 deletions