From: Nathan Bossart <nathan@postgresql.org>
Date: Sun, 11 Jan 2026 19:52:50 +0000 (-0600)
Subject: pg_dump: Fix memory leak in dumpSequenceData().
X-Git-Tag: REL_18_2~68
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=56e1f501010fc79fd1d11df6fd04eec463d40319;p=thirdparty%2Fpostgresql.git

pg_dump: Fix memory leak in dumpSequenceData().

Oversight in commit 7a485bd641.  Per Coverity.

Backpatch-through: 18
---

diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index b00ba35f87c..583afc67d3f 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -19056,12 +19056,14 @@ dumpSequenceData(Archive *fout, const TableDataInfo *tdinfo)
 	TableInfo  *tbinfo = tdinfo->tdtable;
 	int64		last;
 	bool		called;
-	PQExpBuffer query = createPQExpBuffer();
+	PQExpBuffer query;
 
 	/* needn't bother if not dumping sequence data */
 	if (!fout->dopt->dumpData && !fout->dopt->sequence_data)
 		return;
 
+	query = createPQExpBuffer();
+
 	/*
 	 * For versions >= 18, the sequence information is gathered in the sorted
 	 * array before any calls to dumpSequenceData().  See collectSequences()