From 90bb236deeb8491a7a693dc1e63b391fce1f9288 Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Thu, 30 Jun 2022 12:19:06 +0200
Subject: [PATCH] Fixed stream advance before length checks

---
 channels/telemetry/server/telemetry_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/channels/telemetry/server/telemetry_main.c b/channels/telemetry/server/telemetry_main.c
index d7e1042ca..4df94c556 100644
--- a/channels/telemetry/server/telemetry_main.c
+++ b/channels/telemetry/server/telemetry_main.c
@@ -183,10 +183,10 @@ static UINT telemetry_process_message(telemetry_server* telemetry)
 		goto out;
 	}
 
+	Stream_Seek(s, BytesReturned);
 	if (!Stream_CheckAndLogRequiredLength(TAG, s, 2))
 		return ERROR_NO_DATA;
 
-	Stream_SetLength(s, BytesReturned);
 	Stream_Read_UINT8(s, MessageId);
 	Stream_Read_UINT8(s, Length);