1 files changed, 4 insertions, 0 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5e0c6a1ce8b3..21510c9aa89c 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2275,6 +2275,10 @@ void proc_flush_task(struct task_struct *task)
                 proc_flush_task_mnt(upid->ns->proc_mnt, upid->nr,
                                 leader ? 0 : tgid->numbers[i].nr);
         }
+
+        upid = &pid->numbers[pid->level];
+        if (upid->nr == 1)
+                pid_ns_release_proc(upid->ns);
 }
 
 static struct dentry *proc_pid_instantiate(struct inode *dir,