Fix 205bb17793

Ignore current cursor pos if it's out of bounds.

libraries/libmdb/mdb.c

@@ -3858,6 +3858,7 @@ mdb_cursor_set(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 					goto set1;
 				}
 				if (rc < 0) {
+					if (mc->mc_ki[mc->mc_top] < NUMKEYS(mp)) {
 						/* This is definitely the right page, skip search_page */
 						if (mp->mp_flags & P_LEAF2) {
 							nodekey.mv_data = LEAF2KEY(mp,
@@ -3873,6 +3874,7 @@ mdb_cursor_set(MDB_cursor *mc, MDB_val *key, MDB_val *data,
 								*exactp = 1;
 							goto set1;
 						}
+					}
 					rc = 0;
 					goto set2;
 				}