1 files changed, 2 insertions, 0 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c
index 7962d6b..2b59f23 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -1192,6 +1192,8 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
             page_size = 4096;
             pte = ldq_phys(pte_addr);
         }
+        if (!(pte & PG_PRESENT_MASK))
+            return -1;
     } else {
         uint32_t pde;