From 60fab66536cf3782c577272e93582803612437a7 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Mon, 29 Jan 2018 00:26:28 +0000
Subject: [PATCH] fuzz

---
 libraries/liblmdb/mdb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index b93d67a..235c1de 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -6739,6 +6739,8 @@ skip:
 	leaf = NODEPTR(mp, mc->mc_ki[mc->mc_top]);
 
 	if (F_ISSET(leaf->mn_flags, F_DUPDATA)) {
+		if (!(mc->mc_dbflag & DB_DUPDATA))
+			return MDB_CORRUPTED;
 		mdb_xcursor_init1(mc, leaf);
 	}
 	if (data) {