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| Started by | Luis Henriques <luis.henriques@canonical.com> |
|---|---|
| First post | 2015-09-30 12:30 +0200 |
| Last post | 2015-09-30 12:30 +0200 |
| Articles | 1 — 1 participant |
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[PATCH 3.16.y-ckt 051/133] arm64: kconfig: Move LIST_POISON to a safe value Luis Henriques <luis.henriques@canonical.com> - 2015-09-30 12:30 +0200
| From | Luis Henriques <luis.henriques@canonical.com> |
|---|---|
| Date | 2015-09-30 12:30 +0200 |
| Subject | [PATCH 3.16.y-ckt 051/133] arm64: kconfig: Move LIST_POISON to a safe value |
| Message-ID | <qemO6-2bO-5@gated-at.bofh.it> |
3.16.7-ckt18 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Jeff Vander Stoep <jeffv@google.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@arm.com> Signed-off-by: Thierry Strudel <tstrudel@google.com> Signed-off-by: Jeff Vander Stoep <jeffv@google.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 839f48c26ef0..316ed8cf5bc0 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -81,6 +81,10 @@ 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@vger.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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