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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-04-16 09:28:14 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-04-23 12:16:25 -0400 |
| commit | 7af4533e9ceae1e2b610d8b085daa0f2f9c726ad (patch) | |
| tree | 99eb5dc44c5780b770028705e8537ac432036159 | |
| parent | 8634a26634c20d724d06a3e6717e44efb4915413 (diff) | |
| download | kvm-unit-tests-7af4533e9ceae1e2b610d8b085daa0f2f9c726ad.tar.gz | |
nVMX: Add testcase to cover VMWRITE to nonexistent CR3-target values
Enhance test_cr3_targets() to verify that attempting to write CR3-target
value fields beyond the reported number of supported targets fails.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200416162814.32065-1-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | x86/vmx_tests.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/x86/vmx_tests.c b/x86/vmx_tests.c index 4a3c56b..a7ec331 100644 --- a/x86/vmx_tests.c +++ b/x86/vmx_tests.c @@ -3570,6 +3570,10 @@ static void test_cr3_targets(void) for (i = 0; i <= supported_targets + 1; i++) try_cr3_target_count(i, supported_targets); vmcs_write(CR3_TARGET_COUNT, cr3_targets); + + /* VMWRITE to nonexistent target fields should fail. */ + for (i = supported_targets; i < 256; i++) + TEST_ASSERT(vmcs_write(CR3_TARGET_0 + i*2, 0)); } /* |