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| author | Vasily Gorbik <gor@linux.ibm.com> | 2017-11-17 13:10:33 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-10-09 11:21:17 +0200 |
| commit | 0a9b40911baffac6fc9cc2d88e893585870a97f7 (patch) | |
| tree | e25beace7ad8f658edc883aec8444b6de128420f | |
| parent | s390/kasan: avoid vdso instrumentation (diff) | |
| download | linux-0a9b40911baffac6fc9cc2d88e893585870a97f7.tar.xz linux-0a9b40911baffac6fc9cc2d88e893585870a97f7.zip | |
s390/kasan: avoid instrumentation of early C code
Instrumented C code cannot run without the kasan shadow area. Exempt
source code files from kasan which are running before / used during
kasan initialization.
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | arch/s390/boot/Makefile | 1 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/Makefile | 1 | ||||
| -rw-r--r-- | arch/s390/kernel/Makefile | 2 | ||||
| -rw-r--r-- | drivers/s390/char/Makefile | 1 |
4 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile index f58edd8b2e34..d5ad724f5c96 100644 --- a/arch/s390/boot/Makefile +++ b/arch/s390/boot/Makefile @@ -6,6 +6,7 @@ KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n +KASAN_SANITIZE := n KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index fd7cfc7b93a5..593039620487 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -8,6 +8,7 @@ KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n +KASAN_SANITIZE := n obj-y := $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) piggy.o info.o targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 7ad6fa60a1f2..1f9c98f7d9e2 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -23,6 +23,8 @@ KCOV_INSTRUMENT_early_nobss.o := n UBSAN_SANITIZE_early.o := n UBSAN_SANITIZE_early_nobss.o := n +KASAN_SANITIZE_early_nobss.o := n + # # Passing null pointers is ok for smp code, since we access the lowcore here. # diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile index c6ab34f94b1b..3072b89785dd 100644 --- a/drivers/s390/char/Makefile +++ b/drivers/s390/char/Makefile @@ -11,6 +11,7 @@ endif GCOV_PROFILE_sclp_early_core.o := n KCOV_INSTRUMENT_sclp_early_core.o := n UBSAN_SANITIZE_sclp_early_core.o := n +KASAN_SANITIZE_sclp_early_core.o := n CFLAGS_sclp_early_core.o += -D__NO_FORTIFY |