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| author | Vasily Gorbik <gor@linux.ibm.com> | 2017-11-17 15:10:33 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-24 10:20:44 +0300 |
| commit | ef5ad4f11e74262692bc194ab28f3dd7ae5e465c (patch) | |
| tree | 478ee721d7a4472eb3a938237fea92a41d829f73 /arch/s390 | |
| parent | 5228d07c4f92995486ed64e8c3feec300455e584 (diff) | |
| download | linux-ef5ad4f11e74262692bc194ab28f3dd7ae5e465c.tar.xz | |
s390/kasan: avoid instrumentation of early C code
[ Upstream commit 0a9b40911baffac6fc9cc2d88e893585870a97f7 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/s390')
| -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 |
3 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile index 9e6668ee93de..f6a9b0c20355 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 b375c6c5ae7b..9b3d821e5b46 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),,head.o misc.o) piggy.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 b205c0ff0b22..762fc45376ff 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. # |