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SubjectRe: [PATCH] arm: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL
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On 03/13/2018 01:53 PM, Jinbum Park wrote:
> To enable UBSAN on arm, ARCH_HAS_UBSAN_SANITIZE_ALL is needed to be selected.
>
> Basic test has passed on Raspberry Pi2, Raspbian jessi lite with
> CONFIG_UBSAN_SANITIZE_ALL, CONFIG_UBSAN_NULL.
>
> Signed-off-by: Jinbum Park <jinb.park@samsung.com>
> ---
> arch/arm/Kconfig | 1 +
> arch/arm/boot/compressed/Makefile | 1 +
> arch/arm/vdso/Makefile | 1 +
> 3 files changed, 3 insertions(+)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 1878083..bdd1561 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -7,6 +7,7 @@ config ARM
> select ARCH_HAS_DEBUG_VIRTUAL if MMU
> select ARCH_HAS_DEVMEM_IS_ALLOWED
> select ARCH_HAS_ELF_RANDOMIZE
> + select ARCH_HAS_UBSAN_SANITIZE_ALL
> select ARCH_HAS_SET_MEMORY
> select ARCH_HAS_PHYS_TO_DMA
> select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
> diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
> index 45a6b9b..1b374ba 100644
> --- a/arch/arm/boot/compressed/Makefile
> +++ b/arch/arm/boot/compressed/Makefile
> @@ -24,6 +24,7 @@ OBJS += hyp-stub.o
> endif
>
> GCOV_PROFILE := n
> +UBSAN_SANITIZE := n
>
> #
> # Architecture dependencies
> diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile
> index bb411821..05597f7 100644
> --- a/arch/arm/vdso/Makefile
> +++ b/arch/arm/vdso/Makefile
> @@ -29,6 +29,7 @@ CFLAGS_vgettimeofday.o = -O2
>
> # Disable gcov profiling for VDSO code
> GCOV_PROFILE := n
> +UBSAN_SANITIZE := n
>
> # Force dependency
> $(obj)/vdso.o : $(obj)/vdso.so
>

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