From: "Singh, Brijesh" <brijesh.singh@amd.com>
To: "David Rientjes" <rientjes@google.com>,
"Joerg Roedel" <joro@8bytes.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>
Cc: "Singh, Brijesh" <brijesh.singh@amd.com>,
Borislav Petkov <bp@suse.de>, "x86@kernel.org" <x86@kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [patch] KVM: SVM: prevent DBG_DECRYPT and DBG_ENCRYPT overflow
Date: Thu, 28 Mar 2019 13:58:05 +0000 [thread overview]
Message-ID: <0ba6d873-6567-f20a-c5c1-59fc2c97968e@amd.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1903251146160.188887@chino.kir.corp.google.com>
On 3/25/19 1:47 PM, David Rientjes wrote:
> This ensures that the address and length provided to DBG_DECRYPT and
> DBG_ENCRYPT do not cause an overflow.
>
> At the same time, pass the actual number of pages pinned in memory to
> sev_unpin_memory() as a cleanup.
>
> Reported-by: Cfir Cohen <cfir@google.com>
> Signed-off-by: David Rientjes <rientjes@google.com>
> ---
> arch/x86/kvm/svm.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
thanks
next prev parent reply other threads:[~2019-03-28 13:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-25 18:47 [patch] KVM: SVM: prevent DBG_DECRYPT and DBG_ENCRYPT overflow David Rientjes
2019-03-28 13:58 ` Singh, Brijesh [this message]
2019-04-04 20:55 ` David Rientjes
2019-04-05 18:50 ` Paolo Bonzini
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