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: I1ddae985f2fc28ca1366747169d4ca91801a9d31 Signed-off-by: Thierry Strudel <[email protected]> Signed-off-by: Jeff Vander Stoep <[email protected]>
yuweiyuan8 · Sep 6, 2016 · 671e32b · 671e32b
1 parent c1d0eef
commit 671e32b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
@@ -58,6 +58,10 @@ config MMU
 config NO_IOPORT
 	def_bool y
 
+config ILLEGAL_POINTER_VALUE
+	hex
+	default 0xdead000000000000
+
 config STACKTRACE_SUPPORT
 	def_bool y