* [PATCH] arm64 Kconfig: Move LIST_POISON to a safe value
@ 2015-08-18 19:29 Jeff Vander Stoep
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From: Jeff Vander Stoep @ 2015-08-18 19:29 UTC (permalink / raw)
To: catalin.marinas
Cc: rmk, will.deacon, linux-arm-kernel, linux-kernel, nnk, tstrudel,
Jeff Vander Stoep
Move the poison pointer offset to 0xdead000000000000, a
recognized value that is not mappable by user-space exploits.
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
---
arch/arm64/Kconfig | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 9532f8d..c003911 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -91,6 +91,11 @@ config NO_IOPORT_MAP
config STACKTRACE_SUPPORT
def_bool y
+config ILLEGAL_POINTER_VALUE
+ hex
+ default 0xdead000000000000
+
+
config LOCKDEP_SUPPORT
def_bool y
--
2.5.0.rc2.392.g76e840b
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