On 10/20/14 03:54, Andrey Ryabinin wrote:
>
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index 4e35a5d..7dc9b89 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -646,6 +646,29 @@ config DEBUG_SHIRQ
> Drivers ought to be able to handle interrupts coming in at those
> points; some don't and need to be caught.
>
> +config HAVE_ARCH_UBSAN_SANTIZE_ALL
> + bool
> +
> +config UBSAN
> + bool "Undefined behaviour sanity checker"
> + help
> + This option enables undefined behaviour sanity checker
checker.
> + Compile-time instrumentataion used to detect various undefined
instrumentation is used
> + behaviours in runtime. Different kinds of checks could be enabled
prefer: may be enabled
> + via boot parameter ubsan_handle (see: Documentation/ubsan.txt).
> + (TODO: write docs).
> +
> +config UBSAN_SANITIZE_ALL
> + bool "Enable instrumentation for the entire kernel"
> + depends on UBSAN
> + depends on HAVE_ARCH_UBSAN_SANTIZE_ALL
> + default y
> + help
> + This option acitivates instrumentation for the entire kernel.
activates
> + If you don't enable this option, you have to explicitly specify
> + UBSAN_SANITIZE := y for the files/directories you want to check for
> UB.
> +
> +
> menu "Debug Lockups and Hangs"
>
> config LOCKUP_DETECTOR
--
~Randy
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