summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/resolve/resolved-dns-packet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c
index 4f4674bfb5..a486216d68 100644
--- a/src/resolve/resolved-dns-packet.c
+++ b/src/resolve/resolved-dns-packet.c
@@ -57,7 +57,7 @@ int dns_packet_new(DnsPacket **ret, DnsProtocol protocol, size_t mtu) {
if (mtu < UDP_PACKET_HEADER_SIZE)
a = DNS_PACKET_SIZE_START;
else
- a = mtu;
+ a = MAX(mtu, DNS_PACKET_HEADER_SIZE);
/* round up to next page size */
a = PAGE_ALIGN(ALIGN(sizeof(DnsPacket)) + a) - ALIGN(sizeof(DnsPacket));