DNS/KnotResolver/patch1について、ここに記述してください。

First step

{{{
*** pktcache.c.orig	2015-10-25 17:34:16.760917135 +0900
--- pktcache.c	2015-10-25 18:01:11.472974664 +0900
***************
*** 207,213 ****
  	/* Check if we can replace (allow current or better rank, SECURE is always accepted). */
  	if (header.rank < KR_RANK_SECURE) {
  		int cached_rank = kr_cache_peek_rank(&txn, KR_CACHE_PKT, qname, qtype, header.timestamp);
! 		if (cached_rank > header.rank) {
  			kr_cache_txn_abort(&txn);
  			return ctx->state;
  		}
--- 207,213 ----
  	/* Check if we can replace (allow current or better rank, SECURE is always accepted). */
  	if (header.rank < KR_RANK_SECURE) {
  		int cached_rank = kr_cache_peek_rank(&txn, KR_CACHE_PKT, qname, qtype, header.timestamp);
! 	        if (cached_rank >= header.rank) {
  			kr_cache_txn_abort(&txn);
  			return ctx->state;
  		}
}}}