From 4003f6b715791eddb3eb429fb3787236403d320a Mon Sep 17 00:00:00 2001
From: Jeff Vander Stoep <jeffv@google.com>
Date: Tue, 18 Aug 2015 11:15:53 -0700
Subject: [PATCH] arm64 Kconfig: Move LIST_POISON to a safe value

Move the poison pointer offset to 0xdead000000000000, a
recognized value that is not mappable by user-space exploits.

Change-Id: I558441a26a7c8390aa087f32c4cbe980de8c8ce3
Signed-off-by: Thierry Strudel <tstrudel@google.com>
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
---
 arch/arm64/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 871f21783866..a3a8ac304360 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -107,6 +107,10 @@ config MMU
 config NO_IOPORT_MAP
 	def_bool y if !PCI
 
+config ILLEGAL_POINTER_VALUE
+	hex
+	default 0xdead000000000000
+
 config STACKTRACE_SUPPORT
 	def_bool y
 
-- 
2.34.1