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arm64: vdso32: enable orphan handling for VDSO

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Like vmlinux, enable orphan-handling for the compat VDSO32. This can catch
subtle errors that might arise from unexpected sections being included.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Kees Cook <keescook@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20220510095834.32394-5-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Joey Gouly 2022-05-10 10:58:34 +01:00 committed by Will Deacon
parent eeec7223b6
commit 9d4775b332
1 changed files with 1 additions and 0 deletions
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arch/arm64/kernel/vdso32/Makefile
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@ -104,6 +104,7 @@ VDSO_AFLAGS += -D__ASSEMBLY__
VDSO_LDFLAGS += -Bsymbolic --no-undefined -soname=linux-vdso.so.1
VDSO_LDFLAGS += -z max-page-size=4096 -z common-page-size=4096
VDSO_LDFLAGS += -shared --hash-style=sysv --build-id=sha1
VDSO_LDFLAGS += --orphan-handling=warn
# Borrow vdsomunge.c from the arm vDSO