From 6fd8d3f5180700e9b288d2d8446b5e09413c6230 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Mon, 21 Oct 2019 11:18:12 +0300
Subject: [ci skip] Fix #5857

---
 system/libraries/Session/drivers/Session_files_driver.php | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'system')

diff --git a/system/libraries/Session/drivers/Session_files_driver.php b/system/libraries/Session/drivers/Session_files_driver.php
index 2899b7dec..d9966273b 100644
--- a/system/libraries/Session/drivers/Session_files_driver.php
+++ b/system/libraries/Session/drivers/Session_files_driver.php
@@ -196,6 +196,10 @@ class CI_Session_files_driver extends CI_Session_driver implements SessionHandle
 				$this->_fingerprint = md5('');
 				return '';
 			}
+
+			// Prevent possible data corruption
+			// See https://github.com/bcit-ci/CodeIgniter/issues/5857
+			clearstatcache(TRUE, $this->_file_path.$session_id);
 		}
 		// We shouldn't need this, but apparently we do ...
 		// See https://github.com/bcit-ci/CodeIgniter/issues/4039
-- 
cgit v1.2.3-24-g4f1b