From mboxrd@z Thu Jan 1 00:00:00 1970 From: jh80.chung@samsung.com (Jaehoon Chung) Date: Tue, 13 Mar 2018 14:13:23 +0900 Subject: [PATCH] arm: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL In-Reply-To: <20180313045357epcms1p34fb1e2ad09a8288017058c414c21ce26@epcms1p3> References: <20180313045357epcms1p34fb1e2ad09a8288017058c414c21ce26@epcms1p3> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > 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 >