From 081fc57f709db16aa22f62c6337753069d7f36fa Mon Sep 17 00:00:00 2001
From: Wang_PengX <peng.x.wang@intel.com>
Date: Wed, 18 Sep 2024 20:31:25 +0800
Subject: [PATCH] [Media Common] [VP][MOS] fix double free issue

set nullptr after free memory.
---
 media_softlet/agnostic/common/os/mos_oca_rtlog_mgr.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/media_softlet/agnostic/common/os/mos_oca_rtlog_mgr.cpp b/media_softlet/agnostic/common/os/mos_oca_rtlog_mgr.cpp
index 6431eb3fd87..6150a1f3499 100644
--- a/media_softlet/agnostic/common/os/mos_oca_rtlog_mgr.cpp
+++ b/media_softlet/agnostic/common/os/mos_oca_rtlog_mgr.cpp
@@ -124,13 +124,17 @@ void MosOcaRTLogMgr::UnregisterRes(OsContextNext *osDriverContext)
     if (!resInterface.osInterface || !resInterface.osInterface->pfnFreeResource)
     {
         MOS_SafeFreeMemory(resInterface.ocaRTLogResource);
+        resInterface.ocaRTLogResource = nullptr;
         MOS_SafeFreeMemory(resInterface.osInterface);
+        resInterface.osInterface = nullptr;
         return;
     }
     resInterface.osInterface->pfnFreeResource(resInterface.osInterface, resInterface.ocaRTLogResource);
     MOS_SafeFreeMemory(resInterface.ocaRTLogResource);
+    resInterface.ocaRTLogResource = nullptr;
     Mos_DestroyInterface(resInterface.osInterface);
     MOS_SafeFreeMemory(resInterface.osInterface);
+    resInterface.osInterface = nullptr;
 }
 
 MosOcaRTLogMgr::MosOcaRTLogMgr()