From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: Joey Gouly <joey.gouly@arm.com>, linux-arm-kernel@lists.infradead.org
Cc: nd@arm.com, catalin.marinas@arm.com, keescook@chromium.org,
masahiroy@kernel.org, will@kernel.org
Subject: Re: [PATCH v4 4/4] arm64: vdso32: enable orphan handling for VDSO
Date: Tue, 19 Apr 2022 12:01:03 +0100 [thread overview]
Message-ID: <449ab9fa-9fb4-0b9e-7698-95f62209a449@arm.com> (raw)
In-Reply-To: <20220414104611.17748-5-joey.gouly@arm.com>
On 4/14/22 11:46 AM, Joey Gouly wrote:
> 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: Vincenzo Frascino <vincenzo.frascino@arm.com>
> ---
> arch/arm64/kernel/vdso32/Makefile | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
> index ed181bedbffc..1bf0bfb99652 100644
> --- a/arch/arm64/kernel/vdso32/Makefile
> +++ b/arch/arm64/kernel/vdso32/Makefile
> @@ -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
--
Regards,
Vincenzo
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next prev parent reply other threads:[~2022-04-19 11:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-14 10:46 [PATCH v4 0/4] Enable orphan-handling=warn for VDSO Joey Gouly
2022-04-14 10:46 ` [PATCH v4 1/4] arm64: vdso: put ELF related sections in the linker script Joey Gouly
2022-04-14 10:46 ` [PATCH v4 2/4] arm64: vdso: enable orphan handling for VDSO Joey Gouly
2022-04-14 10:46 ` [PATCH v4 3/4] arm64: vdso32: put ELF related sections in the linker script Joey Gouly
2022-04-14 17:22 ` Kees Cook
2022-04-19 11:00 ` Vincenzo Frascino
2022-04-14 10:46 ` [PATCH v4 4/4] arm64: vdso32: enable orphan handling for VDSO Joey Gouly
2022-04-14 17:22 ` Kees Cook
2022-04-19 11:01 ` Vincenzo Frascino [this message]
2022-04-19 11:10 ` [PATCH v4 0/4] Enable orphan-handling=warn " Vincenzo Frascino
2022-04-19 12:16 ` Joey Gouly
2022-04-19 12:53 ` Vincenzo Frascino
2022-04-27 18:20 ` Catalin Marinas
2022-04-28 16:11 ` Joey Gouly
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