From 149553d7272187987531e52756a19e85900a5e70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <jerome.duval@gmail.com>
Date: Mon, 8 Jan 2018 21:44:57 +0100
Subject: [PATCH] packagefs: ReadAttribute with user_memcpy().

---
 .../file_systems/packagefs/nodes/AutoPackageAttributes.cpp  | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/add-ons/kernel/file_systems/packagefs/nodes/AutoPackageAttributes.cpp b/src/add-ons/kernel/file_systems/packagefs/nodes/AutoPackageAttributes.cpp
index ee3cde9d69..9d720bc5e5 100644
--- a/src/add-ons/kernel/file_systems/packagefs/nodes/AutoPackageAttributes.cpp
+++ b/src/add-ons/kernel/file_systems/packagefs/nodes/AutoPackageAttributes.cpp
@@ -53,8 +53,10 @@ public:
 		if (offset + (off_t)toCopy > size)
 			toCopy = size - offset;
 
-		if (toCopy > 0)
-			memcpy(buffer, (const uint8*)value + offset, toCopy);
+		if (toCopy > 0 && user_memcpy(buffer, (const uint8*)value + offset,
+			toCopy) < B_OK) {
+			return B_BAD_ADDRESS;
+		}
 
 		*bufferSize = toCopy;
 		return B_OK;