From ee6abea956f71a0085507f44453c1cdea9c708fe Mon Sep 17 00:00:00 2001
From: Paul Wulff <paul.wulff@mt-c.com>
Date: Fri, 15 Dec 2017 15:27:51 +0100
Subject: [PATCH] Race condition in FdManager::Rename because no mutex is used.

---
 src/fdcache.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/fdcache.cpp b/src/fdcache.cpp
index 52f502a..d551ebb 100644
--- a/src/fdcache.cpp
+++ b/src/fdcache.cpp
@@ -2116,6 +2116,7 @@ FdEntity* FdManager::ExistOpen(const char* path, int existfd, bool ignore_existf
 
 void FdManager::Rename(const std::string &from, const std::string &to)
 {
+  AutoLock auto_lock(&FdManager::fd_manager_lock);
   fdent_map_t::iterator iter = fent.find(from);
   if(fent.end() != iter){
     // found