Re: [PATCH v2] scs: Release kasan vmalloc poison in scs_free process
flat view
From: Will Deacon <will@kernel.org>
Date: 2021-09-30 08:53:40
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linux-mediatek, lkml
On Thu, 30 Sep 2021 16:16:13 +0800, yee.lee@mediatek.com wrote:
From: Yee Lee <redacted> Since scs allocation is moved to vmalloc region, the shadow stack is protected by kasan_posion_vmalloc. However, the vfree_atomic operation needs to access its context for scs_free process and causes kasan error as the dump info below. [...]
Applied to arm64 (for-next/scs), thanks!
[1/1] scs: Release kasan vmalloc poison in scs_free process
https://git.kernel.org/arm64/c/528a4ab45300
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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