upstream/unbound
1
0
Fork 0
mirror of https://github.com/NLnetLabs/unbound.git synced 2026-02-03 20:29:28 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Review fix: defense check of qdcount in debug output.

Browse source
This commit is contained in:
W.C.A. Wijngaards 2020-08-25 16:07:25 +02:00
parent a83fc176cc
commit 49019ba3a9
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
services/outside_network.c
View file

@ -805,6 +805,7 @@ reuse_move_writewait_away(struct outside_network* outnet,
/* since the current query is not written, it can also
* move to a free buffer */
if(verbosity >= 5 && pend->query->pkt_len > 12+2+2 &&
LDNS_QDCOUNT(pend->query->pkt) > 0 &&
dname_valid(pend->query->pkt+12, pend->query->pkt_len-12)) {
char buf[LDNS_MAX_DOMAINLEN+1];
dname_str(pend->query->pkt+12, buf);
@ -829,6 +830,7 @@ reuse_move_writewait_away(struct outside_network* outnet,
}
while((w = reuse_write_wait_pop(&pend->reuse)) != NULL) {
if(verbosity >= 5 && w->pkt_len > 12+2+2 &&
LDNS_QDCOUNT(w->pkt) > 0 &&
dname_valid(w->pkt+12, w->pkt_len-12)) {
char buf[LDNS_MAX_DOMAINLEN+1];
dname_str(w->pkt+12, buf);