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mm/kasan: Add MM_KASAN_ALL option 

so the user could disable the full image instrumentation,
but enable the instrumentation by files or directories.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-08-20 06:28:39 +08:00 committed by Petro Karashchenko
parent f3f1dde39b
commit f1355680ca
12 changed files with 22 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/src/arm/Toolchain.defs
View File

@ -79,7 +79,7 @@ ifeq ($(CONFIG_ARCH_COVERAGE),y)
ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage
endif endif
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/arm/src/armv6-m/Toolchain.defs
View File

@ -165,7 +165,7 @@ endif
# Architecture flags # Architecture flags
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/arm/src/armv7-a/Toolchain.defs
View File

@ -96,7 +96,7 @@ else
ARCHCPUFLAGS += -mfloat-abi=soft ARCHCPUFLAGS += -mfloat-abi=soft
endif endif
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/arm/src/armv7-m/Toolchain.defs
View File

@ -179,7 +179,7 @@ else
endif endif
endif endif
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/arm/src/armv7-r/Toolchain.defs
View File

@ -96,7 +96,7 @@ ifeq ($(CONFIG_ENDIAN_BIG),y)
ARCHCPUFLAGS += -mbig-endian ARCHCPUFLAGS += -mbig-endian
endif endif
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/arm/src/armv8-m/Toolchain.defs
View File

@ -188,7 +188,7 @@ else
endif endif
endif endif
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/arm/src/tlsr82/Toolchain.defs
View File

@ -140,7 +140,7 @@ endif
# Architecture flags # Architecture flags
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/risc-v/src/common/Toolchain.defs
View File

@ -162,7 +162,7 @@ ifeq ($(CONFIG_RISCV_TOOLCHAIN),GNU_RVG)
endif endif
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/xtensa/src/lx6/Toolchain.defs
View File

@ -43,7 +43,7 @@ endif
ARCHCPUFLAGS = -mlongcalls ARCHCPUFLAGS = -mlongcalls
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
arch/xtensa/src/lx7/Toolchain.defs
View File

@ -43,7 +43,7 @@ endif
ARCHCPUFLAGS = -mlongcalls ARCHCPUFLAGS = -mlongcalls
ifeq ($(CONFIG_MM_KASAN),y) ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

2
boards/sim/sim/sim/scripts/Make.defs
View File

@ -73,7 +73,7 @@ endif
ifeq ($(CONFIG_SIM_ASAN),y) ifeq ($(CONFIG_SIM_ASAN),y)
ARCHOPTIMIZATION += -fsanitize=address ARCHOPTIMIZATION += -fsanitize=address
else ifeq ($(CONFIG_MM_KASAN),y) else ifeq ($(CONFIG_MM_KASAN_ALL),y)
ARCHOPTIMIZATION += -fsanitize=kernel-address ARCHOPTIMIZATION += -fsanitize=kernel-address
endif endif

11
mm/Kconfig
View File

@ -191,6 +191,17 @@ config MM_KASAN
bugs in native code. After turn on this option, Please bugs in native code. After turn on this option, Please
add -fsanitize=kernel-address to CFLAGS/CXXFLAGS too. add -fsanitize=kernel-address to CFLAGS/CXXFLAGS too.
config MM_KASAN_ALL
bool "Enable KASan for the entire image"
depends on MM_KASAN
default y
---help---
This option activates address sanitizer for the entire image.
If you don't enable this option, you have to explicitly specify
"-fsanitize=kernel-address" for the files/directories you want
to check. Enabling this option will get image size increased
and performance decreased significantly.
config MM_UBSAN config MM_UBSAN
bool "Undefined Behavior Sanitizer" bool "Undefined Behavior Sanitizer"
default n default n