Merge tag 'kvm-s390-master-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux

KVM: s390: Fix for 4.10 (via kvm/master)

Fix a kernel memory exposure.

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index bec71e902be3..6484a250021e 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -916,7 +916,7 @@ static int kvm_s390_get_machine(struct kvm *kvm, struct kvm_device_attr *attr)
         memcpy(&mach->fac_mask, kvm->arch.model.fac_mask,
                S390_ARCH_FAC_LIST_SIZE_BYTE);
         memcpy((unsigned long *)&mach->fac_list, S390_lowcore.stfle_fac_list,
-               S390_ARCH_FAC_LIST_SIZE_BYTE);
+               sizeof(S390_lowcore.stfle_fac_list));
         if (copy_to_user((void __user *)attr->addr, mach, sizeof(*mach)))
                 ret = -EFAULT;
         kfree(mach);
@@ -1437,7 +1437,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 
         /* Populate the facility mask initially. */
         memcpy(kvm->arch.model.fac_mask, S390_lowcore.stfle_fac_list,
-               S390_ARCH_FAC_LIST_SIZE_BYTE);
+               sizeof(S390_lowcore.stfle_fac_list));
         for (i = 0; i < S390_ARCH_FAC_LIST_SIZE_U64; i++) {
                 if (i < kvm_s390_fac_list_mask_size())
                         kvm->arch.model.fac_mask[i] &= kvm_s390_fac_list_mask[i];