1 files changed, 1 insertions, 1 deletions

diff --git a/fs/exec.c b/fs/exec.c
index c74bb34eeeff..15d493fe8aa3 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1591,7 +1591,7 @@ static inline int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
         }
         rcu_read_unlock();
 done:
-        core_state->nr_threads = nr;
+        atomic_set(&core_state->nr_threads, nr);
         return nr;
 }