1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 3ebcd60a19c6..9d1b10ed0135 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -784,6 +784,8 @@ fastcall NORET_TYPE void do_exit(long code)
 
         profile_task_exit(tsk);
 
+        WARN_ON(atomic_read(&tsk->fs_excl));
+
         if (unlikely(in_interrupt()))
                 panic("Aiee, killing interrupt handler!");
         if (unlikely(!tsk->pid))