From 1bed77e4d3da75fee0df03940ed5469a4f5c8b1c Mon Sep 17 00:00:00 2001
From: John Reiser <jreiser@BitWagon.com>
Date: Tue, 20 Dec 2022 07:21:02 -0800
Subject: [PATCH] 'sizeof' returns size_t, which on i386 is not as wide as
 off_t

https://github.com/upx/upx/issues/629
https://github.com/upx/upx/issues/635
	modified:   p_lx_elf.cpp
---
 src/p_lx_elf.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/p_lx_elf.cpp b/src/p_lx_elf.cpp
index a1f6fbf9..c493a5a9 100644
--- a/src/p_lx_elf.cpp
+++ b/src/p_lx_elf.cpp
@@ -5408,7 +5408,7 @@ void PackLinuxElf64::unpack(OutputFile *fo)
           { // Recover from some piracy [also serves as error tolerance :-) ]
             b_info b_peek;
             fi->readx(&b_peek, sizeof(b_peek));
-            upx_off_t pos = fi->seek(0u - sizeof(b_peek), SEEK_CUR);
+            upx_off_t pos = fi->seek(-(off_t)sizeof(b_peek), SEEK_CUR);
             if (b_peek.sz_unc != size
             ||  b_peek.b_method != prev_method) {
                 opt->info_mode++;