1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index b664a081fffa..628198a4f28a 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1092,6 +1092,9 @@ static task_t *copy_process(unsigned long clone_flags,
 #ifdef CONFIG_COMPAT
         p->compat_robust_list = NULL;
 #endif
+        INIT_LIST_HEAD(&p->pi_state_list);
+        p->pi_state_cache = NULL;
+
         /*
          * sigaltstack should be cleared when sharing the same VM
          */