Messages in this thread Patch in this message | | | From | Raphael Gault <> | Subject | [RFC v4 15/18] arm64: kernel: Add exception on kuser32 to prevent stack analysis | Date | Fri, 16 Aug 2019 13:24:00 +0100 |
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kuser32 being used for compatibility, it contains a32 instructions which are not recognised by objtool when trying to analyse arm64 object files. Thus, we add an exception to skip validation on this particular file.
Signed-off-by: Raphael Gault <raphael.gault@arm.com> --- arch/arm64/kernel/Makefile | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 478491f07b4f..1239c7da4c02 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -33,6 +33,9 @@ ifneq ($(CONFIG_COMPAT_VDSO), y) obj-$(CONFIG_COMPAT) += sigreturn32.o endif obj-$(CONFIG_KUSER_HELPERS) += kuser32.o + +OBJECT_FILES_NON_STANDARD_kuser32.o := y + obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_ARM64_MODULE_PLTS) += module-plts.o -- 2.17.1
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