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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-09-12 14:37:20 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-09-20 14:26:23 +0200 |
| commit | c42d8c7dbe596d849b43b7581bcc39b51f148c48 (patch) | |
| tree | 0e8591e307b242b1be532ee4eb7149fc5fd45a7a /arch/s390/kernel | |
| parent | 725c4d22bbc4fcac5779963e0ff9cdf232afbb90 (diff) | |
| download | linux-stable-c42d8c7dbe596d849b43b7581bcc39b51f148c48.tar.gz linux-stable-c42d8c7dbe596d849b43b7581bcc39b51f148c48.tar.bz2 linux-stable-c42d8c7dbe596d849b43b7581bcc39b51f148c48.zip | |
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')
| -rw-r--r-- | arch/s390/kernel/Makefile | 3 | ||||
| -rw-r--r-- | arch/s390/kernel/vdso32/Makefile | 3 | ||||
| -rw-r--r-- | arch/s390/kernel/vdso64/Makefile | 3 |
3 files changed, 7 insertions, 2 deletions
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 3234817c7d47..72ccc41444dc 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -48,6 +48,9 @@ AFLAGS_head.o += -march=z900 endif GCOV_PROFILE_sclp.o := n GCOV_PROFILE_als.o := n +UBSAN_SANITIZE_als.o := n +UBSAN_SANITIZE_early.o := n +UBSAN_SANITIZE_sclp.o := n obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o 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 : $(obj)/vdso32.so diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index 0b0fd22c869a..2d54c18089eb 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -24,8 +24,9 @@ obj-y += vdso64_wrapper.o extra-y += vdso64.lds CPPFLAGS_vdso64.lds += -P -C -U$(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)/vdso64_wrapper.o : $(obj)/vdso64.so |