systemd/0001-dhcp-server-add-two-missing-OOM-checks.patch

From a75dde1983510900243f247b41a8cb935590ac7b Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 9 Feb 2017 10:16:52 +0100
Subject: [PATCH] dhcp-server: add two missing OOM checks

(cherry picked from commit 357e1b17b901b48714fa5301c745ae5389661798)
---
 src/libsystemd-network/sd-dhcp-server.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c
index 2890681561..315cbf1ac5 100644
--- a/src/libsystemd-network/sd-dhcp-server.c
+++ b/src/libsystemd-network/sd-dhcp-server.c
@@ -197,7 +197,11 @@ int sd_dhcp_server_new(sd_dhcp_server **ret, int ifindex) {
         server->address = htobe32(INADDR_ANY);
         server->netmask = htobe32(INADDR_ANY);
         server->ifindex = ifindex;
+
         server->leases_by_client_id = hashmap_new(&client_id_hash_ops);
+        if (!server->leases_by_client_id)
+                return -ENOMEM;
+
         server->default_lease_time = DIV_ROUND_UP(DHCP_DEFAULT_LEASE_TIME_USEC, USEC_PER_SEC);
         server->max_lease_time = DIV_ROUND_UP(DHCP_MAX_LEASE_TIME_USEC, USEC_PER_SEC);
 
@@ -857,6 +861,8 @@ int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message,
 
                         if (!existing_lease) {
                                 lease = new0(DHCPLease, 1);
+                                if (!lease)
+                                        return -ENOMEM;
                                 lease->address = address;
                                 lease->client_id.data = memdup(req->client_id.data,
                                                                req->client_id.length);