From 1b74050afb9b407eaa59c67b6015611c9113f7e4 Mon Sep 17 00:00:00 2001 From: Steven Noonan Date: Thu, 3 Jul 2014 19:43:56 -0700 Subject: [PATCH] networkd: don't clear dhcpv6 lease timers if there's no previous lease If client->lease is NULL, dhcp6_lease_clear_timers will cause a segmentation fault. (cherry picked from commit b1e1238fb3af77419eca704fb64f68a313954734) --- src/libsystemd-network/sd-dhcp6-client.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c index 8fdbbfe320..a83778e938 100644 --- a/src/libsystemd-network/sd-dhcp6-client.c +++ b/src/libsystemd-network/sd-dhcp6-client.c @@ -708,7 +708,8 @@ static int client_receive_reply(sd_dhcp6_client *client, DHCP6Message *reply, return 0; } - dhcp6_lease_clear_timers(&client->lease->ia); + if (client->lease) + dhcp6_lease_clear_timers(&client->lease->ia); client->lease = sd_dhcp6_lease_unref(client->lease); client->lease = lease;