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Message-Id: <20150926205313.389607535@linuxfoundation.org> Date: Sat, 26 Sep 2015 13:54:39 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Catalin Marinas <catalin.marinas@....com>, Thierry Strudel <tstrudel@...gle.com>, Jeff Vander Stoep <jeffv@...gle.com>, Will Deacon <will.deacon@....com> Subject: [PATCH 4.2 027/134] arm64: kconfig: Move LIST_POISON to a safe value 4.2-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: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) --- 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 -- 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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