0001-fix-crash-on-killing-items-on-hash-overflow-pages.patch

From de433e4092e33e49a5f01c71d5ab6b34320167cd Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Tue, 17 Mar 2026 19:06:04 +0200
Subject: [PATCH 1/2] fix crash on killing items on hash overflow pages

---
 src/backend/access/hash/hashutil.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/access/hash/hashutil.c b/src/backend/access/hash/hashutil.c
index 3e16119d027..081adbc88a6 100644
--- a/src/backend/access/hash/hashutil.c
+++ b/src/backend/access/hash/hashutil.c
@@ -600,7 +600,7 @@ _hash_kill_items(IndexScanDesc scan)
 					 * update the page while just holding a share lock. If we
 					 * are not allowed, there's no point continuing.
 					 */
-					if (!BufferBeginSetHintBits(so->currPos.buf))
+					if (!BufferBeginSetHintBits(buf))
 						goto unlock_page;
 				}
 
@@ -621,7 +621,7 @@ _hash_kill_items(IndexScanDesc scan)
 	if (killedsomething)
 	{
 		opaque->hasho_flag |= LH_PAGE_HAS_DEAD_TUPLES;
-		BufferFinishSetHintBits(so->currPos.buf, true, true);
+		BufferFinishSetHintBits(buf, true, true);
 	}
 
 unlock_page:
-- 
2.47.3