0001-fix-potential-memory-leak-in-untransformRelOptions.patch

From d179f1e0bbb851436441bc35e022b31c534c32ad Mon Sep 17 00:00:00 2001
From: Junwang Zhao <zhjwpku@gmail.com>
Date: Thu, 1 Sep 2022 16:23:36 +0800
Subject: [PATCH v1] fix potential memory leak in untransformRelOptions

*TextDatumGetCString* calls palloc to alloc memory for the option
text datum, in some cases the the memory is allocated in
*TopTransactionContext*, this may cause memory leak for a long
running backend.
---
 src/backend/access/common/reloptions.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backend/access/common/reloptions.c b/src/backend/access/common/reloptions.c
index 609329bb21..6076677aef 100644
--- a/src/backend/access/common/reloptions.c
+++ b/src/backend/access/common/reloptions.c
@@ -1360,6 +1360,7 @@ untransformRelOptions(Datum options)
 			val = (Node *) makeString(pstrdup(p));
 		}
 		result = lappend(result, makeDefElem(pstrdup(s), val, -1));
+		pfree(s);
 	}
 
 	return result;
-- 
2.33.0