From 51add0a066207a4f926e8fd808b4913078f3d8a5 Mon Sep 17 00:00:00 2001
From: Wei Zhou <weizhou@apache.org>
Date: Fri, 6 Oct 2023 09:41:16 +0200
Subject: [PATCH] systemvm: check if patchfile exists and is valid tarball
 before patching (#7953)

---
 systemvm/debian/opt/cloud/bin/setup/cloud-early-config | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/systemvm/debian/opt/cloud/bin/setup/cloud-early-config b/systemvm/debian/opt/cloud/bin/setup/cloud-early-config
index 78191214635..b6709c161d1 100755
--- a/systemvm/debian/opt/cloud/bin/setup/cloud-early-config
+++ b/systemvm/debian/opt/cloud/bin/setup/cloud-early-config
@@ -66,7 +66,7 @@ patch() {
   if [ "$TYPE" != "cksnode" ]; then
     while [ $retry -gt 0 ]
     do
-      if [ -f $patchfile ]; then
+      if tar tf $patchfile &> /dev/null; then
         eval $(validate_checksums $md5file $patchfile)
         if [ "$oldmd5" != "$newmd5" ] && [ -f ${patchfile} ] && [ "$newmd5" != "" ]
         then