linux-hardening - Re: [PATCH v2] KVM: arm64: vgic: Handle const qualifier from gic_kvm

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Message-ID: <177099499992.1792318.9934885934778681296.b4-ty@kernel.org>
Date: Fri, 13 Feb 2026 15:03:24 +0000
From: Marc Zyngier <maz@...nel.org>
To: Kees Cook <kees@...nel.org>
Cc: Oliver Upton <oupton@...nel.org>,
	Joey Gouly <joey.gouly@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Alexander Potapenko <glider@...gle.com>,
	linux-arm-kernel@...ts.infradead.org,
	kvmarm@...ts.linux.dev,
	Timothy Hayes <timothy.hayes@....com>,
	Sascha Bischoff <Sascha.Bischoff@....com>,
	Keir Fraser <keirf@...gle.com>,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2] KVM: arm64: vgic: Handle const qualifier from gic_kvm_info allocation type

On Fri, 06 Feb 2026 14:30:23 -0800, Kees Cook wrote:
> In preparation for making the kmalloc family of allocators type aware,
> we need to make sure that the returned type from the allocation matches
> the type of the variable being assigned. (Before, the allocator would
> always return "void *", which can be implicitly cast to any pointer type.)
> 
> The assigned type is "struct gic_kvm_info", but the returned type,
> while matching, is const qualified. To get them exactly matching, just
> use the dereferenced pointer for the sizeof().
> 
> [...]

Applied to fixes, thanks!

[1/1] KVM: arm64: vgic: Handle const qualifier from gic_kvm_info allocation type
      commit: ee5c38a8d31e5dea52299c43c2ec3213351ab6e1

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.