From b9e5255932c95b9bcae8bd8deaade7f8ca0ed290 Mon Sep 17 00:00:00 2001
From: doronz88 <doron88@gmail.com>
Date: Sun, 22 Sep 2024 08:05:04 +0300
Subject: [PATCH] usbmux: fix handling of bad messages (#1208)

Close #1208
---
 pymobiledevice3/usbmux.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pymobiledevice3/usbmux.py b/pymobiledevice3/usbmux.py
index 363055ac8..615812088 100644
--- a/pymobiledevice3/usbmux.py
+++ b/pymobiledevice3/usbmux.py
@@ -354,7 +354,11 @@ def get_device_list(self, timeout: float = None) -> None:
         """ get device list synchronously without waiting the timeout """
         self.devices = []
         self._send({'MessageType': 'ListDevices'})
-        for response in self._receive(self._tag - 1)['DeviceList']:
+        response = self._receive(self._tag - 1)
+        device_list = response.get('DeviceList')
+        if device_list is None:
+            raise MuxException(f'Got an invalid response from usbmux: {response}')
+        for response in device_list:
             if response['MessageType'] == 'Attached':
                 super()._add_device(MuxDevice(response['DeviceID'], response['Properties']['SerialNumber'],
                                               response['Properties']['ConnectionType']))