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| Started by | Jeff Vander Stoep <jeffv@google.com> |
|---|---|
| First post | 2015-08-18 21:30 +0200 |
| Last post | 2015-08-18 21:30 +0200 |
| Articles | 1 — 1 participant |
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[PATCH] arm64 Kconfig: Move LIST_POISON to a safe value Jeff Vander Stoep <jeffv@google.com> - 2015-08-18 21:30 +0200
| From | Jeff Vander Stoep <jeffv@google.com> |
|---|---|
| Date | 2015-08-18 21:30 +0200 |
| Subject | [PATCH] arm64 Kconfig: Move LIST_POISON to a safe value |
| Message-ID | <pYUK6-7cl-19@gated-at.bofh.it> |
Move the poison pointer offset to 0xdead000000000000, a recognized value that is not mappable by user-space exploits. Signed-off-by: Jeff Vander Stoep <jeffv@google.com> --- arch/arm64/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9532f8d..c003911 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -91,6 +91,11 @@ 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.rc2.392.g76e840b -- 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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