From ab188ff81409c074ad1a0000b434d2aa08dea10a Mon Sep 17 00:00:00 2001
From: AntonJMLarsson <anton.larsson@ki.se>
Date: Thu, 22 Dec 2022 10:16:49 +0100
Subject: [PATCH] overflow bug in crc combine

---
 src/crc.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/crc.rs b/src/crc.rs
index cd00cebe..8a4f3c98 100644
--- a/src/crc.rs
+++ b/src/crc.rs
@@ -63,7 +63,7 @@ impl Crc {
 
     /// Combine the CRC with the CRC for the subsequent block of bytes.
     pub fn combine(&mut self, additional_crc: &Crc) {
-        self.amt += additional_crc.amt;
+        self.amt = self.amt.wrapping_add(additional_crc.amt);
         self.hasher.combine(&additional_crc.hasher);
     }
 }