From efb472d54af8a8046245757c522ff91f3c3339d0 Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Sat, 12 Aug 2023 10:15:40 +0800
Subject: [PATCH] fix:heap use after free

---
 source/dnode/vnode/src/tq/tqRead.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index e74146bab2..252a0642fa 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -219,6 +219,7 @@ int32_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, uint64_t
             goto END;
           }
 
+          pHead = &(pHandle->pWalReader->pHead->head);
           if (isValValidForTable(pHandle, pHead)) {
             code = 0;
             goto END;