ITS#10342 lmdb: fix potential memleak in child txn_begin

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 79e90c95c767a4e59049291aa20596d1a34fe064..57758db9c279bf76bf3605572a3ef0f263d2348b 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3309,9 +3309,8 @@ renew:
        }
        if (rc) {
                if (txn != env->me_txn0) {
-#ifdef MDB_VL32
-                       free(txn->mt_rpages);
-#endif
+                       /* mt_rpages is owned by parent */
+                       free(txn->mt_u.dirty_list);
                        free(txn);
                }
        } else {