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authorChristian Borntraeger <borntraeger@de.ibm.com>2016-09-12 15:37:20 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-09-20 15:26:23 +0300
commitc42d8c7dbe596d849b43b7581bcc39b51f148c48 (patch)
tree0e8591e307b242b1be532ee4eb7149fc5fd45a7a /arch/s390/kernel/vdso32
parent725c4d22bbc4fcac5779963e0ff9cdf232afbb90 (diff)
downloadlinux-c42d8c7dbe596d849b43b7581bcc39b51f148c48.tar.xz
s390: enable UBSAN
This enables UBSAN for s390. We have to disable the null sanitizer as s390 code does access memory via a null pointer (the prefix page). Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/vdso32')
-rw-r--r--arch/s390/kernel/vdso32/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index 68145456fee2..6cc947896c77 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -24,8 +24,9 @@ obj-y += vdso32_wrapper.o
extra-y += vdso32.lds
CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
-# Disable gcov profiling for VDSO code
+# Disable gcov profiling and ubsan for VDSO code
GCOV_PROFILE := n
+UBSAN_SANITIZE := n
# Force dependency (incbin is bad)
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so