1 files changed, 2 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c
index bb8afc1..eb02518 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -840,10 +840,12 @@ static int exec_mmap(struct mm_struct *mm)
 		}
 	}
 	task_lock(tsk);
+	preempt_disable_rt();
 	active_mm = tsk->active_mm;
 	tsk->mm = mm;
 	tsk->active_mm = mm;
 	activate_mm(active_mm, mm);
+	preempt_enable_rt();
 	task_unlock(tsk);
 	arch_pick_mmap_layout(mm);
 	if (old_mm) {