From 385258b6e72414869796e56b38f1d11776ef150c Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Thu, 13 Oct 2022 18:21:33 +0200
Subject: [PATCH] core/io: allow skipping right to the bitstream end

---
 nihav-core/src/io/bitreader.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/nihav-core/src/io/bitreader.rs b/nihav-core/src/io/bitreader.rs
index 569330b..c4f9f6c 100644
--- a/nihav-core/src/io/bitreader.rs
+++ b/nihav-core/src/io/bitreader.rs
@@ -305,8 +305,11 @@ impl<'a> BitReader<'a> {
         self.reset_cache();
         self.pos += ((skip_bits / 32) * 4) as usize;
         skip_bits &= 0x1F;
-        self.refill()?;
         if skip_bits > 0 {
+            self.refill()?;
+            if u32::from(self.bits) < skip_bits {
+                return Err(BitstreamEnd);
+            }
             self.skip_cache(skip_bits as u8);
         }
         Ok(())
-- 
2.30.2