commit 1fdca5a67cb1c7626f77c1ed93b1b5e316ca9022
author Jeff Vander Stoep <jeffv@google.com> Tue Aug 18 11:15:53 2015 -0700
committer Amit Pundir <amit.pundir@linaro.org> Mon Aug 08 12:02:17 2016 +0530
tree 389e84e09b62a00874b54e2c9545822ada940169
parent 51c1e96fd0b149bf6f1d2555a451e6c581380c8d

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

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 01be844..5339c7c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -163,6 +163,10 @@
 config NO_IOPORT_MAP
 	def_bool y if !PCI
 
+config ILLEGAL_POINTER_VALUE
+	hex
+	default 0xdead000000000000
+
 config STACKTRACE_SUPPORT
 	def_bool y