Re: [sean-jc:x86/evmcs_vmptrldst] [KVM] 7fecb27e8d: bunch of kselftests.kvm failures

[Sean Christopherson <seanjc@google.com>]

On Thu, Sep 03, 2026, kernel test robot wrote:
> kernel test robot noticed "kselftests.kvm.hyperv_evmcs.fail" on:
> 
> commit: 7fecb27e8d353adda91989eb01b3ae200b846a42 ("KVM: selftests: Always assert that vmwrite() succeeds") https://github.com/sean-jc/linux x86/evmcs_vmptrldst
> 
> in testcase: kselftests
> version: kselftests-x86_64-f5098b6bae76-1_20260727
> with following parameters:
> 
> 	group: kvm
> 
> config: x86_64-rhel-9.4-kselftests
> compiler: gcc-14
> test machine: 16 threads Intel(R) Core(TM) i7-13620H (Raptor Lake) with 32G memory
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <yi1.lai@intel.com>
> | Closes: https://lore.kernel.org/oe-lkp/202609030248.b516759d-lkp@intel.com
> 
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20260903/202609030248.b516759d-lkp@intel.com
> 
> Detailed log:
> # selftests: kvm: evmcs_smm_controls_test
> # Random seed: 0x7ad5b4f9
> # 
> # ==== Test Assertion Failure ====
> #   include/x86/vmx.h:434: __vmwrite(encoding, value)
> #   pid=5240 tid=5240 errno=4 - Interrupted system call
> #      1	0x0000000000412f61: assert_on_unhandled_exception at processor.c:781
> #      2	0x0000000000406f86: _vcpu_run at kvm_util.c:1687
> #      3	 (inlined by) vcpu_run at kvm_util.c:1698
> #      4	0x0000000000402cc6: main at evmcs_smm_controls_test.c:93
> #      5	0x00007f0a85d39ca7: ?? ??:0
> #      6	0x00007f0a85d39d64: ?? ??:0
> #      7	0x00000000004030c0: _start at ??:?
> #   vmwrite[0x0] = 0x0 hit VM-Fail

/facepalm

I managed to *repeatedly* not update the repository I was using to build selftests.
Thank you friendly kernel test robot for saving me from major embarassment!