From 26b3773740361d9b8393ddd290c90428f57bb787 Mon Sep 17 00:00:00 2001
From: slzhou <shenglian_zhou@163.com>
Date: Fri, 10 Mar 2023 18:58:25 +0800
Subject: [PATCH] fix: core dump when copy resut buf

---
 source/libs/function/src/tudf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index c3d00346ee..78c2d4bde7 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -1211,7 +1211,7 @@ int32_t udfAggFinalize(struct SqlFunctionCtx *pCtx, SSDataBlock *pBlock) {
     GET_RES_INFO(pCtx)->numOfRes = 0;
   } else {
     if (resultBuf.bufLen <= session->bytes) {
-      memcpy(udfRes->finalResBuf, resultBuf.buf, session->bytes);
+      memcpy(udfRes->finalResBuf, resultBuf.buf, resultBuf.bufLen);
       udfRes->finalResNum = resultBuf.numOfResult;
       GET_RES_INFO(pCtx)->numOfRes = udfRes->finalResNum;
     } else {
-- 
GitLab