1 files changed, 10 insertions, 2 deletions

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 1d7645b0a97c..c494fee7a2b5 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -97,6 +97,7 @@
 #include <asm/processor.h>
 #include <asm/atomic.h>
 
+#include <linux/kmemcheck.h>
 #include <linux/kmemleak.h>
 
 /*
@@ -967,15 +968,22 @@ static void scan_block(void *_start, void *_end,
         unsigned long *end = _end - (BYTES_PER_POINTER - 1);
 
         for (ptr = start; ptr < end; ptr++) {
-                unsigned long flags;
-                unsigned long pointer = *ptr;
                 struct kmemleak_object *object;
+                unsigned long flags;
+                unsigned long pointer;
 
                 if (allow_resched)
                         cond_resched();
                 if (scan_should_stop())
                         break;
 
+                /* don't scan uninitialized memory */
+                if (!kmemcheck_is_obj_initialized((unsigned long)ptr,
+                                                  BYTES_PER_POINTER))
+                        continue;
+
+                pointer = *ptr;
+
                 object = find_and_get_object(pointer, 1);
                 if (!object)
                         continue;