ITS#9378 don't try to print oversized keys in debug msg

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 3914658b563aae43a438311a60fcea54dd30a164..9ec7305efc9f73404726cb8a122bb6188eb2c61c 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -1999,8 +1999,10 @@ mdb_dval(MDB_txn *txn, MDB_dbi dbi, MDB_val *data, char *buf)
 {
        if (txn->mt_dbs[dbi].md_flags & MDB_DUPSORT) {
                mdb_dkey(data, buf+1);
-               *buf = '[';
-               strcpy(buf + data->mv_size * 2 + 1, "]");
+               if (data->mv_size < DKBUF_MAXKEYSIZE - 2) {
+                       *buf = '[';
+                       strcpy(buf + data->mv_size * 2 + 1, "]");
+               }
        } else
                *buf = '\0';
        return buf;