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Date: Fri, 2 Oct 2015 15:24:43 +0200 From: Jiri Slaby <jslaby@...e.cz> To: stable@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Jeff Vander Stoep <jeffv@...gle.com>, Thierry Strudel <tstrudel@...gle.com>, Will Deacon <will.deacon@....com>, Jiri Slaby <jslaby@...e.cz> Subject: [PATCH 3.12 38/84] arm64: kconfig: Move LIST_POISON to a safe value From: Jeff Vander Stoep <jeffv@...gle.com> 3.12-stable review patch. If anyone has any objections, please let me know. =============== 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: Jiri Slaby <jslaby@...e.cz> --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index fe70eaea0e28..b07f9f356b87 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -56,6 +56,10 @@ config NO_IOPORT config STACKTRACE_SUPPORT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config LOCKDEP_SUPPORT def_bool y -- 2.6.0 -- 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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