1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 572496c688cc..0714bfa56da0 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -1006,7 +1006,7 @@ static inline int do_essa(struct kvm_vcpu *vcpu, const int orc)
                 cbrlo[entries] = gfn << PAGE_SHIFT;
         }
 
-        if (orc) {
+        if (orc && gfn < ms->bitmap_size) {
                 /* increment only if we are really flipping the bit to 1 */
                 if (!test_and_set_bit(gfn, ms->pgste_bitmap))
                         atomic64_inc(&ms->dirty_pages);