KVM: s390: Do not leak kernel stack data in the KVM_S390_INTERRUPT ioctl

[android-x86/kernel.git] / arch / s390 / kvm / interrupt.c

diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index be4db07..95126d2 100644 (file)
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1652,6 +1652,16 @@ int s390int_to_s390irq(struct kvm_s390_interrupt *s390int,
        case KVM_S390_MCHK:
                irq->u.mchk.mcic = s390int->parm64;
                break;
+       case KVM_S390_INT_PFAULT_INIT:
+               irq->u.ext.ext_params = s390int->parm;
+               irq->u.ext.ext_params2 = s390int->parm64;
+               break;
+       case KVM_S390_RESTART:
+       case KVM_S390_INT_CLOCK_COMP:
+       case KVM_S390_INT_CPU_TIMER:
+               break;
+       default:
+               return -EINVAL;
        }
        return 0;
 }