提交 42101571 编写于 作者: L Linus Walleij 提交者: Russell King

ARM: 9017/2: Enable KASan for ARM

This patch enables the kernel address sanitizer for ARM. XIP_KERNEL
has not been tested and is therefore not allowed for now.

Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: kasan-dev@googlegroups.com
Acked-by: NDmitry Vyukov <dvyukov@google.com>
Reviewed-by: NArd Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org> # QEMU/KVM/mach-virt/LPAE/8G
Tested-by: Florian Fainelli <f.fainelli@gmail.com> # Brahma SoCs
Tested-by: Ahmad Fatoum <a.fatoum@pengutronix.de> # i.MX6Q
Signed-off-by: NAbbott Liu <liuwenliang@huawei.com>
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>
上级 5615f69b
无相关合并请求
......@@ -18,8 +18,8 @@ out-of-bounds accesses for global variables is only supported since Clang 11.
Tag-based KASAN is only supported in Clang.
Currently generic KASAN is supported for the x86_64, arm64, xtensa, s390 and
riscv architectures, and tag-based KASAN is supported only for arm64.
Currently generic KASAN is supported for the x86_64, arm, arm64, xtensa, s390
and riscv architectures, and tag-based KASAN is supported only for arm64.
Usage
-----
......
......@@ -8,7 +8,7 @@
-----------------------
| alpha: | TODO |
| arc: | TODO |
| arm: | TODO |
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
| csky: | TODO |
......
......@@ -67,6 +67,7 @@ config ARM
select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
select HAVE_ARCH_KASAN if MMU && !XIP_KERNEL
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_SECCOMP
select HAVE_ARCH_SECCOMP_FILTER if AEABI && !OABI_COMPAT
......
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