From 9bb33c2a4b021b8cd4bb4641f68dda0c3ec0e19f Mon Sep 17 00:00:00 2001
From: flyly <llynov17@163.com>
Date: Sat, 12 Jun 2021 16:14:18 +0800
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---
 src/common/backend/utils/error/elog.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/common/backend/utils/error/elog.cpp b/src/common/backend/utils/error/elog.cpp
index bdff1e3cd..aef980f04 100644
--- a/src/common/backend/utils/error/elog.cpp
+++ b/src/common/backend/utils/error/elog.cpp
@@ -514,7 +514,10 @@ void errfinish(int dummy, ...)
     if (edata->elevel >= u_sess->attr.attr_common.backtrace_min_messages) {
         StringInfoData buf;
         initStringInfo(&buf);
+
+        HOLD_INTERRUPTS();
         int ret = output_backtrace_to_log(&buf);
+        RESUME_INTERRUPTS();
 
         if (0 == ret) {
             edata->backtrace_log = pstrdup(buf.data);