From e5ef9861f95f46b0b6462b7c4de62cd470ead17f Mon Sep 17 00:00:00 2001

From: Michal Schmidt <mschmidt@redhat.com>

Date: Wed, 10 Sep 2014 19:00:56 +0200

Subject: [PATCH] timesyncd: check if stratum is valid

Upstream commit:

commit 07610e108e2d3f046da683a3a69c4d5cccd2cf8e

Author: Miroslav Lichvar <mlichvar@redhat.com>

Date:   Wed Aug 27 16:47:17 2014 +0200

    timesyncd: check if stratum is valid

---

 src/timesync/timesyncd.c | 3 ++-

 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/timesync/timesyncd.c b/src/timesync/timesyncd.c

index efe95442a6..dc00b2f1f3 100644

--- a/src/timesync/timesyncd.c

+++ b/src/timesync/timesyncd.c

@@ -639,7 +639,8 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re

                 return manager_connect(m);

         }

-        if (NTP_FIELD_LEAP(ntpmsg.field) == NTP_LEAP_NOTINSYNC) {

+        if (NTP_FIELD_LEAP(ntpmsg.field) == NTP_LEAP_NOTINSYNC ||

+            ntpmsg.stratum == 0 || ntpmsg.stratum >= 16) {

                 log_debug("Server is not synchronized. Disconnecting.");

                 return manager_connect(m);

         }