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Date: Tue, 20 Oct 2015 14:34:56 -0700 From: Kamal Mostafa <kamal@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Thierry Strudel <tstrudel@...gle.com>, Jeff Vander Stoep <jeffv@...gle.com>, Will Deacon <will.deacon@....com>, Kamal Mostafa <kamal@...onical.com> Subject: [PATCH 3.13.y-ckt 40/85] arm64: kconfig: Move LIST_POISON to a safe value 3.13.11-ckt28 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Jeff Vander Stoep <jeffv@...gle.com> commit bf0c4e04732479f650ff59d1ee82de761c0071f0 upstream. Move the poison pointer offset to 0xdead000000000000, a recognized value that is not mappable by user-space exploits. Acked-by: Catalin Marinas <catalin.marinas@....com> Signed-off-by: Thierry Strudel <tstrudel@...gle.com> Signed-off-by: Jeff Vander Stoep <jeffv@...gle.com> Signed-off-by: Will Deacon <will.deacon@....com> Signed-off-by: Kamal Mostafa <kamal@...onical.com> --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index bf0ed5d..239635b 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -58,6 +58,10 @@ config NO_IOPORT config STACKTRACE_SUPPORT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config LOCKDEP_SUPPORT def_bool y -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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