[PATCH] arm: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL

From: Seung-Woo Kim
Date: Tue Oct 24 2017 - 01:56:09 EST


Select ARCH_HAS_UBSAN_SANITIZE_ALL from arm confiuration to enable UBSAN
on arm.

Signed-off-by: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
---
arch/arm/Kconfig | 1 +
arch/arm/boot/compressed/Makefile | 2 ++
arch/arm/vdso/Makefile | 2 ++
3 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7888c98..5eb3c89 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -11,6 +11,7 @@ config ARM
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT if CPU_V7
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index d50430c..8f06ab2 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -24,6 +24,8 @@ endif

GCOV_PROFILE := n

+UBSAN_SANITIZE := n
+
#
# Architecture dependencies
#
diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile
index 59a8fa7..e343700 100644
--- a/arch/arm/vdso/Makefile
+++ b/arch/arm/vdso/Makefile
@@ -29,6 +29,8 @@ CFLAGS_vgettimeofday.o = -O2
# Disable gcov profiling for VDSO code
GCOV_PROFILE := n

+UBSAN_SANITIZE := n
+
# Force dependency
$(obj)/vdso.o : $(obj)/vdso.so

--
1.7.4.1