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authorVitaly Kuznetsov <vkuznets@redhat.com>2020-03-09 16:52:16 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2020-03-16 18:19:32 +0100
commit6d05a965addbea9c95eed7ab66594fd4fdf33e4c (patch)
tree8c6e91264a947e41642277f4f6e226899be3708e /tools/testing
parent41b0552aa6931a633589f76981fad7850f3ecfe5 (diff)
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KVM: selftests: enlightened VMPTRLD with an incorrect GPA
Check that guest doesn't hang when an invalid eVMCS GPA is specified. Testing that #UD is injected would probably be better but selftests lack the infrastructure currently. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing')
-rw-r--r--tools/testing/selftests/kvm/x86_64/evmcs_test.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
index 17da5792c2f7..e6e62e5e75b2 100644
--- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
@@ -72,6 +72,10 @@ void guest_code(struct vmx_pages *vmx_pages)
l1_guest_code(vmx_pages);
GUEST_DONE();
+
+ /* Try enlightened vmptrld with an incorrect GPA */
+ evmcs_vmptrld(0xdeadbeef, vmx_pages->enlightened_vmcs);
+ GUEST_ASSERT(vmlaunch());
}
int main(int argc, char *argv[])
@@ -120,7 +124,7 @@ int main(int argc, char *argv[])
case UCALL_SYNC:
break;
case UCALL_DONE:
- goto done;
+ goto part1_done;
default:
TEST_FAIL("Unknown ucall %lu", uc.cmd);
}
@@ -152,6 +156,10 @@ int main(int argc, char *argv[])
(ulong) regs2.rdi, (ulong) regs2.rsi);
}
-done:
+part1_done:
+ _vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN,
+ "Unexpected successful VMEnter with invalid eVMCS pointer!");
+
kvm_vm_free(vm);
}