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authorMiaohe Lin <linmiaohe@huawei.com>2019-12-28 14:25:24 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-14 16:30:00 -0500
commit01c87ab1c6c1ac1c938f8b91efce55ecb808e30b (patch)
tree89d6e703b09dca0c0d4722ed67513e0ab0934966 /arch
parentf6e5b0409e186a15cced212580f55799c557d00d (diff)
KVM: nVMX: vmread should not set rflags to specify success in case of #PF
[ Upstream commit a4d956b9390418623ae5d07933e2679c68b6f83c ] In case writing to vmread destination operand result in a #PF, vmread should not call nested_vmx_succeed() to set rflags to specify success. Similar to as done in VMPTRST (See handle_vmptrst()). Reviewed-by: Liran Alon <liran.alon@oracle.com> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: stable@vger.kernel.org Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/vmx.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9344ac6b4f99..6c2b45f5d501 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7261,8 +7261,10 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
/* _system ok, as nested_vmx_check_permission verified cpl=0 */
if (kvm_write_guest_virt_system(vcpu, gva, &field_value,
(is_long_mode(vcpu) ? 8 : 4),
- &e))
+ &e)) {
kvm_inject_page_fault(vcpu, &e);
+ return 1;
+ }
}
nested_vmx_succeed(vcpu);