linux-kernel - Re: [PATCH] KVM: SVM: Replace kzalloc() + copy_from_user() with memdup

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Message-ID: <175798208020.624679.16533836332687059035.b4-ty@google.com>
Date: Mon, 15 Sep 2025 17:25:57 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, 
	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, Thorsten Blum <thorsten.blum@...ux.dev>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: SVM: Replace kzalloc() + copy_from_user() with memdup_user()

On Wed, 03 Sep 2025 02:29:50 +0200, Thorsten Blum wrote:
> Replace kzalloc() followed by copy_from_user() with memdup_user() to
> improve and simplify svm_set_nested_state().
> 
> Return early if an error occurs instead of trying to allocate memory for
> 'save' when memory allocation for 'ctl' already failed.
> 
> 
> [...]

Applied to kvm-x86 svm, thanks!

[1/1] KVM: SVM: Replace kzalloc() + copy_from_user() with memdup_user()
      https://github.com/kvm-x86/linux/commit/fc55b4cda00a

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https://github.com/kvm-x86/linux/tree/next