1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index f6baecdeecd6..971d1c6dfc4b 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -45,8 +45,10 @@ static inline void exit_task_namespaces(struct task_struct *p)
 {
         struct nsproxy *ns = p->nsproxy;
         if (ns) {
-                put_nsproxy(ns);
+                task_lock(p);
                 p->nsproxy = NULL;
+                task_unlock(p);
+                put_nsproxy(ns);
         }
 }
 #endif