From b87d2a6364ecc9f11572eac1bb557336b5f3736d Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Fri, 14 May 2021 09:14:11 +0200
Subject: rtems: Check entry point in rtems_task_start()

Close #4410.
---
 cpukit/rtems/src/taskstart.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cpukit/rtems')

diff --git a/cpukit/rtems/src/taskstart.c b/cpukit/rtems/src/taskstart.c
index eca9b5795d..57dbfc83b9 100644
--- a/cpukit/rtems/src/taskstart.c
+++ b/cpukit/rtems/src/taskstart.c
@@ -43,6 +43,10 @@ rtems_status_code rtems_task_start(
   ISR_lock_Context  lock_context;
   Status_Control    status;
 
+  if ( entry_point == NULL ) {
+    return RTEMS_INVALID_ADDRESS;
+  }
+
   the_thread = _Thread_Get( id, &lock_context );
 
   if ( the_thread == NULL ) {
-- 
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