From 43abb22c0626529c8465f25bd62b813898abe840 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 13 Jan 2018 22:03:51 +0300
Subject: Dont allow use realpath function if in path present "(unreachable)".

Possible glibc bug mitigation.
---
 src/fs/paths.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/fs/paths.cpp')

diff --git a/src/fs/paths.cpp b/src/fs/paths.cpp
index 31052b7bb..db9742daf 100644
--- a/src/fs/paths.cpp
+++ b/src/fs/paths.cpp
@@ -75,6 +75,10 @@ namespace
 
 std::string getRealPath(const std::string &str)
 {
+#if defined(__GLIBC__)
+    if (str.find("(unreachable)") != std::string::npos)
+        return "";
+#endif  // defined(__GLIBC__)
 #if defined(__OpenBSD__) || defined(__ANDROID__) || defined(__native_client__)
     char *realPath = reinterpret_cast<char*>(calloc(PATH_MAX, sizeof(char)));
     if (!realPath)
-- 
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