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authorLennart Poettering <lennart@poettering.net>2015-12-21 19:56:05 +0100
committerLennart Poettering <lennart@poettering.net>2015-12-26 19:09:10 +0100
commitd38d5ca65b3f8fd19348a7919cf1f1f07c955393 (patch)
tree1960fcaa9e4461f76f8c15cf2bea7adde3221783
parent10b45040024da140fc2ea5761f905e745c11c982 (diff)
resolved: never use data from failed transactions
Otherwise if we have an A lookup that failed DNSSEC validation, but an AAAA lookup that succeeded, we might end up using the A data, but we really should not.
-rw-r--r--src/resolve/resolved-dns-query.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/resolve/resolved-dns-query.c b/src/resolve/resolved-dns-query.c
index 18d2d01bf2..610b914e74 100644
--- a/src/resolve/resolved-dns-query.c
+++ b/src/resolve/resolved-dns-query.c
@@ -1039,8 +1039,7 @@ static void dns_query_accept(DnsQuery *q, DnsQueryCandidate *c) {
if (state == DNS_TRANSACTION_SUCCESS)
continue;
- dns_answer_unref(q->answer);
- q->answer = dns_answer_ref(t->answer);
+ q->answer = dns_answer_unref(q->answer);
q->answer_rcode = t->answer_rcode;
q->answer_dnssec_result = t->answer_dnssec_result;