Merge branch 'master'

1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/kthread.c b/kernel/kthread.c
index 6a5373868a9..c5f3c6613b6 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -115,7 +115,9 @@ static void keventd_create_kthread(void *_create)
 		create->result = ERR_PTR(pid);
 	} else {
 		wait_for_completion(&create->started);
+		read_lock(&tasklist_lock);
 		create->result = find_task_by_pid(pid);
+		read_unlock(&tasklist_lock);
 	}
 	complete(&create->done);
 }