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Message-Id: <168993427004.3198018.6269673577220774335.b4-ty@kernel.org>
Date: Fri, 21 Jul 2023 11:53:37 +0100
From: Will Deacon <will@...nel.org>
To: Catalin Marinas <catalin.marinas@....com>,
Shuah Khan <shuah@...nel.org>, Mark Brown <broonie@...nel.org>
Cc: kernel-team@...roid.com, Will Deacon <will@...nel.org>,
linux-arm-kernel@...ts.infradead.org,
David Spickett <David.Spickett@....com>,
linux-kernel@...r.kernel.org, stable@...r.kernel.org,
linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v2 0/3] arm64/fpsimd: Fix use after free in SME when changing SVE VL
On Thu, 20 Jul 2023 19:38:57 +0100, Mark Brown wrote:
> This series fixes an issue which David Spickett found where if we change
> the SVE VL while SME is in use we can end up attempting to save state to
> an unallocated buffer and adds testing coverage for that plus a bit more
> coverage of VL changes, just for paranioa.
>
>
Applied first patch to arm64 (for-next/fixes), thanks!
[1/3] arm64/fpsimd: Ensure SME storage is allocated after SVE VL changes
https://git.kernel.org/arm64/c/d4d5be94a878
I'll look at the selftests stuff for 6.6 when I get to that (probably
next week).
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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