From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Wed, 18 May 2022 14:30:19 +0000 (+0200)
Subject: sourcestats: don't load samples from future
X-Git-Tag: 4.3-pre1~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02ccd3a3c7c86c2d197ee3cae1b069109326bbff;p=thirdparty%2Fchrony.git

sourcestats: don't load samples from future

When loading a dumped file, make sure there are no sample times in
future relative to the current system time (e.g. after reboot with
missing RTC).
---

diff --git a/sourcestats.c b/sourcestats.c
index ef64bf8c..eb4705ec 100644
--- a/sourcestats.c
+++ b/sourcestats.c
@@ -931,6 +931,7 @@ SST_LoadFromFile(SST_Stats inst, FILE *in)
 
     /* Make sure the samples are sane and they are in order */
     if (!UTI_IsTimeOffsetSane(&inst->sample_times[i], -inst->offsets[i]) ||
+        UTI_CompareTimespecs(&now, &inst->sample_times[i]) < 0 ||
         !(fabs(inst->peer_delays[i]) < 1.0e6 && fabs(inst->peer_dispersions[i]) < 1.0e6 &&
           fabs(inst->root_delays[i]) < 1.0e6 && fabs(inst->root_dispersions[i]) < 1.0e6) ||
         (i > 0 && UTI_CompareTimespecs(&inst->sample_times[i],