Messages in this thread Patch in this message | | | From | Florian Fainelli <> | Subject | [PATCH] ARM: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL | Date | Wed, 28 Sep 2022 10:47:39 -0700 |
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From: Seung-Woo Kim <sw0312.kim@samsung.com>
To enable UBSAN on ARM, this patch enables ARCH_HAS_UBSAN_SANITIZE_ALL from arm confiuration. Basic kernel bootup test is passed on arm with CONFIG_UBSAN_SANITIZE_ALL enabled.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> [florian: rebased against v6.0-rc7] Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- arch/arm/Kconfig | 1 + arch/arm/boot/compressed/Makefile | 1 + arch/arm/vdso/Makefile | 1 + 3 files changed, 3 insertions(+)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 87badeae3181..c90aa58eab7f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -27,6 +27,7 @@ config ARM select ARCH_HAVE_NMI_SAFE_CMPXCHG if CPU_V7 || CPU_V7M || CPU_V6K select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_KEEP_MEMBLOCK + select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_NO_SG_CHAIN if !ARM_HAS_SG_CHAIN select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 41bcbb460fac..2cc2af13779e 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -27,6 +27,7 @@ KASAN_SANITIZE := n # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n +UBSAN_SANITIZE := n # # Architecture dependencies diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile index 8ca1c9f262a2..a7ec06ce3785 100644 --- a/arch/arm/vdso/Makefile +++ b/arch/arm/vdso/Makefile @@ -37,6 +37,7 @@ endif # Disable gcov profiling for VDSO code GCOV_PROFILE := n +UBSAN_SANITIZE := n # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n -- 2.25.1
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