From 7ed22bf33ba4967784e92cf74dc03f30bb6113ef Mon Sep 17 00:00:00 2001
From: Uwe Seimet <Uwe.Seimet@seimet.de>
Date: Wed, 15 Sep 2021 13:56:00 +0200
Subject: [PATCH] Updated file size validation

---
 src/raspberrypi/rascsi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/raspberrypi/rascsi.cpp b/src/raspberrypi/rascsi.cpp
index 805f4db2..60df7830 100644
--- a/src/raspberrypi/rascsi.cpp
+++ b/src/raspberrypi/rascsi.cpp
@@ -728,7 +728,7 @@ bool CreateImage(int fd, const PbCommand& command)
 	catch(const out_of_range& e) {
 		return ReturnStatus(fd, false, "Invalid image file size " + command.params().Get(1));
 	}
-	if (len < 256 || len & 0x1ff) {
+	if (len < 512 || len & 0x1ff) {
 		ostringstream error;
 		error << "Invalid image file size " << len;
 		return ReturnStatus(fd, false, error.str());