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s390: enable UBSAN

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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>
This commit is contained in:
Christian Borntraeger
2016-09-12 14:37:20 +02:00
committed by Martin Schwidefsky
parent 725c4d22bb
commit c42d8c7dbe
5 changed files with 10 additions and 2 deletions
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3
arch/s390/kernel/vdso32/Makefile
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@@ -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