From b7a5b9437a95d858259058022bcbae5c0950d388 Mon Sep 17 00:00:00 2001
From: John Reiser <jreiser@BitWagon.com>
Date: Sat, 1 Jan 2022 14:20:18 -0800
Subject: [PATCH] Fix checking of sh_name versus shstrsec->sh_size

https://github.com/upx/upx/issues/509
	modified:   p_vmlinx.cpp
---
 src/p_vmlinx.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/p_vmlinx.cpp b/src/p_vmlinx.cpp
index cc57fc4f..a78959e1 100644
--- a/src/p_vmlinx.cpp
+++ b/src/p_vmlinx.cpp
@@ -180,7 +180,7 @@ bool PackVmlinuxBase<T>::canPack()
         int j;
         for (p = shdri, j= ehdri.e_shnum; --j>=0; ++p) {
             if (Shdr::SHT_PROGBITS==p->sh_type
-            && (p->sh_name  + shstrsec->sh_offset) < (unsigned)file_size
+            && p->sh_name < shstrsec->sh_size
             && 0==strcmp("__ksymtab", p->sh_name + shstrtab)) {
                 break;
             }