From 72057395ebdad16556652fe827bb93210f6f1270 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sun, 25 May 2025 00:21:00 +0200
Subject: [PATCH] Fix potential use-after-free (when device in use)

An instance must not delete itself..
Here ARDOUR::SystemExec::Terminated signal handler deleted the
class that emitted the signal in the same thread.
---
 libs/backends/alsa/alsa_audiobackend.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/backends/alsa/alsa_audiobackend.cc b/libs/backends/alsa/alsa_audiobackend.cc
index 27ee52c6de..db51c75502 100644
--- a/libs/backends/alsa/alsa_audiobackend.cc
+++ b/libs/backends/alsa/alsa_audiobackend.cc
@@ -2425,7 +2425,7 @@ AlsaDeviceReservation::release_device ()
 	_reservation_connection.drop_connections ();
 	ARDOUR::SystemExec* tmp = _device_reservation;
 	_device_reservation     = 0;
-	delete tmp;
+	Glib::signal_idle().connect ([tmp] { delete tmp; return false; }, Glib::PRIORITY_HIGH_IDLE);
 }
 
 void