From facca7b891f042a9991f542bd2630391832be084 Mon Sep 17 00:00:00 2001
From: "Markus F.X.J. Oberhumer" <markus@oberhumer.com>
Date: Thu, 21 Dec 2000 19:24:30 +0000
Subject: [PATCH] Added test for alreadyPacked().

committer: mfx <mfx> 977426670 +0000
---
 src/p_vmlinz.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/p_vmlinz.cpp b/src/p_vmlinz.cpp
index c0cf7122..181c73df 100644
--- a/src/p_vmlinz.cpp
+++ b/src/p_vmlinz.cpp
@@ -123,6 +123,9 @@ int PackVmlinuzI386::uncompressKernel()
     fi->seek(0, SEEK_SET);
     fi->readx(obuf, file_size);
 
+    if (find_le32(obuf + setup_size, UPX_MIN(file_size - setup_size, 1024), UPX_MAGIC_LE32) >= 0)
+        throwAlreadyPacked();
+
     // estimate gzip-uncompressed kernel size & alloc buffer
     ibuf.alloc((file_size - setup_size) * 3);