From: Howard Chu <hyc@openldap.org>
Date: Thu, 2 May 2024 15:29:03 +0000 (+0100)
Subject: ITS#10212 LMDB: init txnid for read-only DBs
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=817e283b665556b923dab1c6bc0a312722608d6f;p=thirdparty%2Fopenldap.git

ITS#10212 LMDB: init txnid for read-only DBs
---

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index a8a8b90fba..bbc61c682a 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3088,6 +3088,10 @@ mdb_txn_renew0(MDB_txn *txn)
 					UNLOCK_MUTEX(rmutex);
 					return MDB_READERS_FULL;
 				}
+				if ((env->me_flags & MDB_RDONLY) && !ti->mti_txnid)  {
+					meta = mdb_env_pick_meta(env);
+					ti->mti_txnid = meta->mm_txnid;
+				}
 				r = &ti->mti_readers[i];
 				/* Claim the reader slot, carefully since other code
 				 * uses the reader table un-mutexed: First reset the