From 8868a11d23976ea5d8d6e1a34e854164b2723d7a Mon Sep 17 00:00:00 2001
From: Chris Hennick <4961925+Pr0methean@users.noreply.github.com>
Date: Mon, 6 May 2024 15:38:25 -0700
Subject: [PATCH] test(fuzz): Fix a fuzz-read bug when finishing LZMA

---
 src/read.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/read.rs b/src/read.rs
index 671f00f8..ae0f34d0 100644
--- a/src/read.rs
+++ b/src/read.rs
@@ -13,7 +13,7 @@ use crate::types::{AesMode, AesVendorVersion, DateTime, System, ZipFileData};
 use crate::zipcrypto::{ZipCryptoReader, ZipCryptoReaderValid, ZipCryptoValidator};
 use indexmap::IndexMap;
 use std::borrow::Cow;
-use std::io::{self, prelude::*};
+use std::io::{self, empty, Empty, prelude::*};
 use std::ops::Deref;
 use std::path::{Path, PathBuf};
 use std::sync::{Arc, OnceLock};
@@ -171,7 +171,10 @@ impl<'a> Read for ZipFileReader<'a> {
     }
 }
 
+static EMPTY: Empty = empty();
+
 impl<'a> ZipFileReader<'a> {
+    
     /// Consumes this decoder, returning the underlying reader.
     pub fn into_inner(self) -> io::Take<&'a mut dyn Read> {
         match self {
@@ -188,8 +191,8 @@ impl<'a> ZipFileReader<'a> {
             ZipFileReader::Zstd(r) => r.into_inner().finish().into_inner().into_inner(),
             #[cfg(feature = "lzma")]
             ZipFileReader::Lzma(r) => {
-                let inner: Box<_> = r.into_inner().finish().unwrap().into();
-                Read::take(Box::leak(inner), u64::MAX)
+                let _ = r.into_inner().finish();
+                Read::take(unsafe {((&EMPTY as *const Empty) as *mut Empty).as_mut()}.unwrap(), 0)
             }
         }
     }