From 2bcb442fba7ab64a82e1ea169a7ac5f847a51e23 Mon Sep 17 00:00:00 2001
From: Alex Helfet <alex.helfet@gmail.com>
Date: Sat, 13 Apr 2019 17:25:13 +0100
Subject: [PATCH] Return an error (instead of panicking) when cobs_decoded is
 too short.

---
 framed/src/bytes.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/framed/src/bytes.rs b/framed/src/bytes.rs
index 04b2d86..befbd18 100644
--- a/framed/src/bytes.rs
+++ b/framed/src/bytes.rs
@@ -292,6 +292,9 @@ impl Codec {
                     .map_err(|_| Error::CobsDecodeFailed)?
             };
         let cobs_decoded = &dest[0..cobs_decoded_len];
+        if cobs_decoded_len < self.checksum().len() {
+            return Err(Error::EofDuringFrame);
+        }
         let payload = &cobs_decoded[0..cobs_decoded_len - self.checksum().len()];
 
         #[cfg(feature = "trace")] {