From 7a72e093f4ef50087a7b3d89b335b4becb448d45 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Sat, 12 Sep 2020 20:44:57 -0400
Subject: [PATCH] tor_bytes::Reader: fix a bug in truncate.

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

diff --git a/tor-bytes/src/reader.rs b/tor-bytes/src/reader.rs
index a3839c7ab..4df78cc2a 100644
--- a/tor-bytes/src/reader.rs
+++ b/tor-bytes/src/reader.rs
@@ -108,7 +108,7 @@ impl<'a> Reader<'a> {
     /// Fewer than `n` bytes may remain if there were not enough bytes
     /// to begin with.
     pub fn truncate(&mut self, n: usize) {
-        self.b = &self.b[self.off..self.off + n];
+        self.b = &self.b[..self.off + n];
     }
     /// Try to return a slice of `n` bytes from this reader without
     /// consuming them.