From 698fd812436100b0fd1c4c03d13d9b52c1433ea0 Mon Sep 17 00:00:00 2001
From: Moritz Bitsch <moritz@h6t.eu>
Date: Thu, 23 Nov 2023 14:16:32 +0100
Subject: [PATCH] Reset too big packet lengths back to None

---
 src/de/packet_reader.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/de/packet_reader.rs b/src/de/packet_reader.rs
index 1b49594..d96ecc2 100644
--- a/src/de/packet_reader.rs
+++ b/src/de/packet_reader.rs
@@ -55,6 +55,12 @@ impl<'a> PacketReader<'a> {
             }
         }
 
+        if let Some(packet_length) = self.packet_length {
+            if packet_length > self.buffer.len() {
+                self.packet_length = None;
+            }
+        }
+
         // We should have found the packet length by now.
         if self.read_bytes >= 5 && self.packet_length.is_none() {
             return Err(Error::MalformedPacket);