Bug report: https://lore.kernel.org/kvm/bug-209845-28872@xxxxxxxxxxxxxxxxxxxxxxxxx%2F/ Unit test attached, which can reproduce the same issue. Thanks, Peter Xu (2): KVM: selftests: Add get featured msrs test case KVM: X86: Fix null pointer reference for KVM_GET_MSRS arch/x86/kvm/x86.c | 4 +- .../testing/selftests/kvm/include/kvm_util.h | 3 + tools/testing/selftests/kvm/lib/kvm_util.c | 14 +++++ .../testing/selftests/kvm/x86_64/state_test.c | 58 +++++++++++++++++++ 4 files changed, 77 insertions(+), 2 deletions(-) -- 2.26.2