1 files changed, 1 insertions, 1 deletions

diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index deeab7be5b97..9512222d5581 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -1122,7 +1122,7 @@ static inline pid_t tomoyo_sys_getppid(void)
 {
         pid_t pid;
         rcu_read_lock();
-        pid = task_tgid_vnr(current->real_parent);
+        pid = task_tgid_vnr(rcu_dereference(current->real_parent));
         rcu_read_unlock();
         return pid;
 }