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.p...@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 -- 1.9.1