From mboxrd@z Thu Jan 1 00:00:00 1970 From: jeffv@google.com (Jeff Vander Stoep) Date: Tue, 18 Aug 2015 12:50:10 -0700 Subject: [PATCH v2] arm64 Kconfig: Move LIST_POISON to a safe value Message-ID: <1439927410-15522-1-git-send-email-jeffv@google.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Move the poison pointer offset to 0xdead000000000000, a recognized value that is not mappable by user-space exploits. Signed-off-by: Thierry Strudel Signed-off-by: Jeff Vander Stoep --- v2 removes an extra newline. arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 318175f..8f1789c 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -104,6 +104,10 @@ config NO_IOPORT_MAP config STACKTRACE_SUPPORT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config LOCKDEP_SUPPORT def_bool y -- 2.5.0.276.gf5e568e