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arm64 Kconfig: Move LIST_POISON to a safe value
author
Jeff Vander Stoep
<jeffv@google.com>
Tue, 18 Aug 2015 18:15:53 +0000
(11:15 -0700)
committer
John Stultz
<john.stultz@linaro.org>
Tue, 16 Feb 2016 21:54:05 +0000
(13:54 -0800)
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
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diff --git
a/arch/arm64/Kconfig
b/arch/arm64/Kconfig
index
871f217
..
a3a8ac3
100644
(file)
--- 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