From 48ce753a0534eb0ce7cd0b255aca84ad8e4163f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Sch=C3=A4pers?= <bjoern@hazardy.de>
Date: Mon, 14 Feb 2022 21:25:12 +0100
Subject: [PATCH] Debugger: Fix Segmentation Fault on Windows

This amends 035b8aa5f76b65a105bf4b311339fd43d35a7537. shutdown() is
called from GdbEngine and from OutputColloector's Dtor. Thus there is a
change we access m_socket, after it is nullified.

Change-Id: I7d26ded70d0b148d83eb551edaf9b82850db197e
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: hjk <hjk@qt.io>
---
 src/plugins/debugger/outputcollector.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/debugger/outputcollector.cpp b/src/plugins/debugger/outputcollector.cpp
index 831a9f1276d..1759cfd6d3f 100644
--- a/src/plugins/debugger/outputcollector.cpp
+++ b/src/plugins/debugger/outputcollector.cpp
@@ -156,7 +156,8 @@ void OutputCollector::newConnectionAvailable()
 void OutputCollector::bytesAvailable()
 {
 #ifdef Q_OS_WIN
-    emit byteDelivery(m_socket->readAll());
+    if (m_socket)
+        emit byteDelivery(m_socket->readAll());
 #else
     size_t nbytes = 0;
     if (::ioctl(m_serverFd, FIONREAD, (char *) &nbytes) < 0)