Commit 1abf5c54 authored by Marek Vavruša's avatar Marek Vavruša

lib/iterate: always copy to final answer

RRs may be touched after resolution completion, this copies RR from
temporary per-recv buffer to answer, which is persistent for the whole
duration of request
parent cf508c7b
......@@ -172,8 +172,10 @@ static int update_answer(const knot_rrset_t *rr, unsigned hint, knot_pkt_t *answ
return KNOT_STATE_DONE; /* Scrub */
int ret = knot_pkt_put(answer, hint, rr, 0);
/* Copy record, as it may be accessed after packet processing. */
knot_rrset_t *copy = knot_rrset_copy(rr, &answer->mm);
/* Write to final answer. */
int ret = knot_pkt_put(answer, hint, copy, KNOT_PF_FREE);
if (ret != KNOT_EOK) {
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