1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3320804bb2ac..04c5d96b1d67 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3431,6 +3431,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
         };
         case KVM_SET_VAPIC_ADDR: {
                 struct kvm_vapic_addr va;
+                int idx;
 
                 r = -EINVAL;
                 if (!lapic_in_kernel(vcpu))
@@ -3438,7 +3439,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
                 r = -EFAULT;
                 if (copy_from_user(&va, argp, sizeof va))
                         goto out;
+                idx = srcu_read_lock(&vcpu->kvm->srcu);
                 r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr);
+                srcu_read_unlock(&vcpu->kvm->srcu, idx);
                 break;
         }
         case KVM_X86_SETUP_MCE: {