From 279101d4644c2868f075894a212e9f6c4f6774fb Mon Sep 17 00:00:00 2001
From: John Reiser <jreiser@BitWagon.com>
Date: Fri, 12 May 2023 12:48:25 -0700
Subject: [PATCH] Fix checksum of non-compressible extents

https://github.com/upx/upx/issues/673
	modified:   src/p_unix.cpp
---
 src/p_unix.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/p_unix.cpp b/src/p_unix.cpp
index 897a4606..b696e834 100644
--- a/src/p_unix.cpp
+++ b/src/p_unix.cpp
@@ -396,7 +396,7 @@ void PackUnix::packExtent(
             ph.c_len = ph.u_len;
             memcpy(obuf, ibuf, ph.c_len);
             // must update checksum of compressed data
-            ph.c_adler = upx_adler32(ibuf, ph.u_len, ph.c_adler);
+            ph.c_adler = upx_adler32(ibuf, ph.u_len, init_c_adler);
         }
 
         // write block sizes