linux-kernel - Re: [PATCH] arm64: vdso: Mark vDSO code as read-only

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Message-ID: <20160216182235.GE19413@e104818-lin.cambridge.arm.com>
Date:	Tue, 16 Feb 2016 18:22:35 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	David Brown <david.brown@...aro.org>
Cc:	Will Deacon <will.deacon@....com>,
	kernel-hardening@...ts.openwall.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH] arm64: vdso: Mark vDSO code as read-only

On Wed, Feb 10, 2016 at 01:52:22PM -0800, David Brown wrote:
> diff --git a/arch/arm64/kernel/vdso/vdso.S b/arch/arm64/kernel/vdso/vdso.S
> index 60c1db5..db7c0f2 100644
> --- a/arch/arm64/kernel/vdso/vdso.S
> +++ b/arch/arm64/kernel/vdso/vdso.S
> @@ -24,6 +24,7 @@
>  	__PAGE_ALIGNED_DATA
>  
>  	.globl vdso_start, vdso_end
> +	.section .rodata
>  	.balign PAGE_SIZE
>  vdso_start:
>  	.incbin "arch/arm64/kernel/vdso/vdso.so"
> -- 
> 2.7.1

Patch applied (and removed __PAGE_ALIGNED_DATA as well). Thanks.

-- 
Catalin