ITS#10342 lmdb: fix potential memleak in child txn_begin

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 1aa721ba262769cbf9e4f01aac19a7b9c8acc43e..eaf3a2d99b52f49a6e8d98aaadc4ae5199e03211 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3547,10 +3547,8 @@ renew:
        }
        if (rc) {
                if (txn != env->me_txn0) {
-#if MDB_RPAGE_CACHE
-                       if (MDB_REMAPPING(env->me_flags))
-                               free(txn->mt_rpages);
-#endif
+                       /* mt_rpages belongs to parent */
+                       free(txn->mt_u.dirty_list);
                        free(txn);
                }
        } else {