linux-kernel - Re: [PATCH v4 0/5] arm64: kasan: support CONFIG_KASAN

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Message-Id: <161702091034.21347.12247252783807550442.b4-ty@arm.com>
Date:   Mon, 29 Mar 2021 13:28:35 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     kasan-dev@...glegroups.com, will@...nel.org,
        Lecopzer Chen <lecopzer.chen@...iatek.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     linux@...ck-us.net, ryabinin.a.a@...il.com, andreyknvl@...il.com,
        yj.chiang@...iatek.com, gustavoars@...nel.org,
        tyhicks@...ux.microsoft.com, rppt@...nel.org, glider@...gle.com,
        maz@...nel.org, akpm@...ux-foundation.org, dvyukov@...gle.com
Subject: Re: [PATCH v4 0/5] arm64: kasan: support CONFIG_KASAN_VMALLOC

On Wed, 24 Mar 2021 12:05:17 +0800, Lecopzer Chen wrote:
> Linux supports KAsan for VMALLOC since commit 3c5c3cfb9ef4da9
> ("kasan: support backing vmalloc space with real shadow memory")
> 
> Acroding to how x86 ported it [1], they early allocated p4d and pgd,
> but in arm64 I just simulate how KAsan supports MODULES_VADDR in arm64
> by not to populate the vmalloc area except for kimg address.
> 
> [...]

Applied to arm64 (for-next/kasan-vmalloc), thanks!

[1/5] arm64: kasan: don't populate vmalloc area for CONFIG_KASAN_VMALLOC
      https://git.kernel.org/arm64/c/9a0732efa774
[2/5] arm64: kasan: abstract _text and _end to KERNEL_START/END
      https://git.kernel.org/arm64/c/7d7b88ff5f8f
[3/5] arm64: Kconfig: support CONFIG_KASAN_VMALLOC
      https://git.kernel.org/arm64/c/71b613fc0c69
[4/5] arm64: kaslr: support randomized module area with KASAN_VMALLOC
      https://git.kernel.org/arm64/c/31d02e7ab008
[5/5] arm64: Kconfig: select KASAN_VMALLOC if KANSAN_GENERIC is enabled
      https://git.kernel.org/arm64/c/acc3042d62cb

-- 
Catalin