From 4dc0eaf0be4824386b95e20aeb359e70aae91fde Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Tue, 25 Oct 2022 17:48:06 +0800
Subject: [PATCH] fix: zero new dest pages to avoid double free ovfl cell

---
 source/libs/tdb/src/db/tdbBtree.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/libs/tdb/src/db/tdbBtree.c b/source/libs/tdb/src/db/tdbBtree.c
index 3f36a058e5..19580d486a 100644
--- a/source/libs/tdb/src/db/tdbBtree.c
+++ b/source/libs/tdb/src/db/tdbBtree.c
@@ -741,9 +741,13 @@ static int tdbBtreeBalanceNonRoot(SBTree *pBt, SPage *pParent, int idx, TXN *pTx
       tdbBtreeInitPage(pOldsCopy[i], &iarg, 0);
       tdbPageCopy(pOlds[i], pOldsCopy[i], 0);
     }
+
+    for (iNew = 0; iNew < nNews; ++iNew) {
+      tdbBtreeInitPage(pNews[iNew], &iarg, 0);
+    }
+
     iNew = 0;
     nNewCells = 0;
-    tdbBtreeInitPage(pNews[iNew], &iarg, 0);
 
     for (int iOld = 0; iOld < nOlds; iOld++) {
       SPage *pPage;
-- 
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