1 files changed, 14 insertions, 0 deletions

diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c
index 2c55ed098654..528bf954eb74 100644
--- a/arch/x86/mm/kmemcheck/kmemcheck.c
+++ b/arch/x86/mm/kmemcheck/kmemcheck.c
@@ -331,6 +331,20 @@ static void kmemcheck_read_strict(struct pt_regs *regs,
         kmemcheck_shadow_set(shadow, size);
 }
 
+bool kmemcheck_is_obj_initialized(unsigned long addr, size_t size)
+{
+        enum kmemcheck_shadow status;
+        void *shadow;
+
+        shadow = kmemcheck_shadow_lookup(addr);
+        if (!shadow)
+                return true;
+
+        status = kmemcheck_shadow_test(shadow, size);
+
+        return status == KMEMCHECK_SHADOW_INITIALIZED;
+}
+
 /* Access may cross page boundary */
 static void kmemcheck_read(struct pt_regs *regs,
         unsigned long addr, unsigned int size)