From ebf57d37b9d57fb0d66d3135da5c3cb6aa381526 Mon Sep 17 00:00:00 2001
From: Christian Stenger <christian.stenger@qt.io>
Date: Mon, 27 Jun 2022 14:52:22 +0200
Subject: [PATCH] Debugger: Avoid crash when debugging with remote cdb engine

When trying to attach to an already running cdb session remotely we
currently fail.
When debugger is aborted on QC side and the remote cdb afterwards we
crashed when selecting a no more existing perspective.

Change-Id: I9d3c20f034b25ef85449b0b4e658aab2c3988db8
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: hjk <hjk@qt.io>
---
 src/plugins/debugger/debuggerengine.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/debugger/debuggerengine.cpp b/src/plugins/debugger/debuggerengine.cpp
index 884debdff44..ffff03082e1 100644
--- a/src/plugins/debugger/debuggerengine.cpp
+++ b/src/plugins/debugger/debuggerengine.cpp
@@ -1372,7 +1372,8 @@ void DebuggerEngine::notifyInferiorSpontaneousStop()
 {
     showMessage("NOTE: INFERIOR SPONTANEOUS STOP");
     QTC_ASSERT(state() == InferiorRunOk, qDebug() << this << state());
-    d->m_perspective->select();
+    if (QTC_GUARD(d->m_perspective))
+        d->m_perspective->select();
     showMessage(tr("Stopped."), StatusBar);
     setState(InferiorStopOk);
     if (debuggerSettings()->raiseOnInterrupt.value())