diff options
| author | Christian Grothoff <christian@grothoff.org> | 2018-05-23 23:37:00 +0200 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2018-05-23 23:37:00 +0200 |
| commit | 25f35d003e2456be74bed0edf35743107c48ce32 (patch) | |
| tree | 895aa34f382a6e2cb85933b69ea6252e66f401c6 | |
| parent | 4b9c0d3a08c214719aa32d2cbd689c158634f12b (diff) | |
stop DNS lookup immediately instead of async to avoid use-after free if we get BOTH an IPv4 and IPv6 response
| -rw-r--r-- | src/gns/gnunet-service-gns_resolver.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gns/gnunet-service-gns_resolver.c b/src/gns/gnunet-service-gns_resolver.c index d3c07e9977..8b20f2ae36 100644 --- a/src/gns/gnunet-service-gns_resolver.c +++ b/src/gns/gnunet-service-gns_resolver.c @@ -971,6 +971,8 @@ dns_result_parser (void *cls, &handle_dns_result, rh); GNUNET_DNSPARSER_free_packet (p); + GNUNET_DNSSTUB_resolve_cancel (rh->dns_request); + rh->dns_request = NULL; return; } @@ -1110,6 +1112,8 @@ dns_result_parser (void *cls, rh->proc (rh->proc_cls, rd_count - skip, rd); + GNUNET_DNSSTUB_resolve_cancel (rh->dns_request); + rh->dns_request = NULL; } GNUNET_DNSPARSER_free_packet (p); if (NULL != rh->task_id) |