diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 7580baa76af1c9948aa6af99c52de2429ee10eac..acd7cbb82e16048e2727ce89d193e3a81769a111 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -796,6 +796,8 @@ static void add_scan_area(unsigned long ptr, size_t size, gfp_t gfp)
 	unsigned long flags;
 	struct kmemleak_object *object;
 	struct kmemleak_scan_area *area = NULL;
+	unsigned long untagged_ptr;
+	unsigned long untagged_objp;
 
 	object = find_and_get_object(ptr, 1);
 	if (!object) {
@@ -804,6 +806,9 @@ static void add_scan_area(unsigned long ptr, size_t size, gfp_t gfp)
 		return;
 	}
 
+	untagged_ptr = (unsigned long)kasan_reset_tag((void *)ptr);
+	untagged_objp = (unsigned long)kasan_reset_tag((void *)object->pointer);
+
 	if (scan_area_cache)
 		area = kmem_cache_alloc(scan_area_cache, gfp_kmemleak_mask(gfp));
 
@@ -815,8 +820,8 @@ static void add_scan_area(unsigned long ptr, size_t size, gfp_t gfp)
 		goto out_unlock;
 	}
 	if (size == SIZE_MAX) {
-		size = object->pointer + object->size - ptr;
-	} else if (ptr + size > object->pointer + object->size) {
+		size = untagged_objp + object->size - untagged_ptr;
+	} else if (untagged_ptr + size > untagged_objp + object->size) {
 		kmemleak_warn("Scan area larger than object 0x%08lx\n", ptr);
 		dump_object_info(object);
 		kmem_cache_free(scan_area_cache, area);