1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index eabca5a73a85..019a2843bf95 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1002,8 +1002,10 @@ NORET_TYPE void do_exit(long code)
 
         exit_notify(tsk, group_dead);
 #ifdef CONFIG_NUMA
+        task_lock(tsk);
         mpol_put(tsk->mempolicy);
         tsk->mempolicy = NULL;
+        task_unlock(tsk);
 #endif
 #ifdef CONFIG_FUTEX
         if (unlikely(current->pi_state_cache))