From 4d5f88e301c4ffb51938d3cb444e427f07d0fe1e Mon Sep 17 00:00:00 2001
From: Denis Ryabov <dryabov@yandex.ru>
Date: Sun, 14 Mar 2021 18:29:25 +0300
Subject: [PATCH] fix segmentation fault

---
 db.h     | 2 +-
 main.cpp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/db.h b/db.h
index e3050f0..e7810a3 100644
--- a/db.h
+++ b/db.h
@@ -232,7 +232,7 @@ public:
       stats.nTracked = ourId.size();
       stats.nGood = goodId.size();
       stats.nNew = unkId.size();
-      stats.nAge = time(NULL) - idToInfo[ourId[0]].ourLastTry;
+      stats.nAge = ourId.size() > 0 ? time(NULL) - idToInfo[ourId[0]].ourLastTry : 0;
     }
   }
 
diff --git a/main.cpp b/main.cpp
index d6cc3b3..f2535fe 100644
--- a/main.cpp
+++ b/main.cpp
@@ -341,6 +341,7 @@ vector<CDnsThread*> dnsThread;
 extern "C" void* ThreadDNS(void* arg) {
   CDnsThread *thread = (CDnsThread*)arg;
   thread->run();
+  return NULL;
 }
 
 int StatCompare(const CAddrReport& a, const CAddrReport& b) {