---

yaml
---
r: 231527
b: refs/heads/master
c: 7b8a53f
h: refs/heads/master
i:
  231525: 2b8bda9
  231523: dafed7a
  231519: c6c6122
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b650c858c26bd9ba29ebc82d30f09355845a294a
+refs/heads/master: 7b8a53fd815deb39542085897743fa0063f9fe06

trunk/fs/namespace.c

@@ -1226,15 +1226,16 @@ void release_mounts(struct list_head *head)
  */
 void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill)
 {
+	LIST_HEAD(tmp_list);
 	struct vfsmount *p;
 
 	for (p = mnt; p; p = next_mnt(p, mnt))
-		list_move(&p->mnt_hash, kill);
+		list_move(&p->mnt_hash, &tmp_list);
 
 	if (propagate)
-		propagate_umount(kill);
+		propagate_umount(&tmp_list);
 
-	list_for_each_entry(p, kill, mnt_hash) {
+	list_for_each_entry(p, &tmp_list, mnt_hash) {
 		list_del_init(&p->mnt_expire);
 		list_del_init(&p->mnt_list);
 		__touch_mnt_namespace(p->mnt_ns);
@@ -1246,6 +1247,7 @@ void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill)
 		}
 		change_mnt_propagation(p, MS_PRIVATE);
 	}
+	list_splice(&tmp_list, kill);
 }
 
 static void shrink_submounts(struct vfsmount *mnt, struct list_head *umounts);