From 6d60aae8efb94c8db31f57952893f0b40e5184a8 Mon Sep 17 00:00:00 2001
From: Robert Loehning <robert.loehning@qt.io>
Date: Mon, 25 Sep 2017 13:56:34 +0200
Subject: [PATCH] QmlPuppet: Check return value of fstat

Change-Id: I2b7c04712a883455d8a5a0daa1225c2ef84a0748
Reviewed-by: Marco Bubke <marco.bubke@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
---
 .../qtcreator/qml/qmlpuppet/container/sharedmemory_unix.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/share/qtcreator/qml/qmlpuppet/container/sharedmemory_unix.cpp b/share/qtcreator/qml/qmlpuppet/container/sharedmemory_unix.cpp
index 53e7c7533ad..9cd0e2a9531 100644
--- a/share/qtcreator/qml/qmlpuppet/container/sharedmemory_unix.cpp
+++ b/share/qtcreator/qml/qmlpuppet/container/sharedmemory_unix.cpp
@@ -388,7 +388,8 @@ bool SharedMemory::createInternal(QSharedMemory::AccessMode mode, int size)
     }
 
     struct stat statBuffer;
-    fstat(m_fileHandle, &statBuffer);
+    if (fstat(m_fileHandle, &statBuffer) == -1)
+        return false;
     int fileSize = statBuffer.st_size;
 
     if (fileSize < size) {
@@ -457,7 +458,8 @@ bool SharedMemory::attachInternal(QSharedMemory::AccessMode mode)
     }
 
     struct stat statBuffer;
-    fstat(m_fileHandle, &statBuffer);
+    if (fstat(m_fileHandle, &statBuffer) == -1)
+        return false;
     int size = statBuffer.st_size;
 
     int protection = mode == QSharedMemory::ReadOnly ? PROT_READ : PROT_WRITE;