From: Jeff Vander Stoep <[email protected]> 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 <[email protected]> Signed-off-by: Thierry Strudel <[email protected]> Signed-off-by: Jeff Vander Stoep <[email protected]> Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Jiri Slaby <[email protected]> --- 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
