patch 9.0.1712: missing null check in object_clear()

Problem: missing null check in object_clear() Solution: Add null check of cl closes: #12627 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Jia-Ju Bai <baijiaju@buaa.edu.cn>
vim · Aug 13, 2023 · 5b0889b · 5b0889b
1 parent d3515a1
commit 5b0889b
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diff --git a/src/version.c b/src/version.c
@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1712,
 /**/
     1711,
 /**/

diff --git a/src/vim9class.c b/src/vim9class.c
@@ -1509,6 +1509,9 @@ object_clear(object_T *obj)
 
     class_T *cl = obj->obj_class;
 
+    if (!cl)
+        return;
+
     // the member values are just after the object structure
     typval_T *tv = (typval_T *)(obj + 1);
     for (int i = 0; i < cl->class_obj_member_count; ++i)