From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: stable@vger.kernel.org,
Ben Hutchings <ben.hutchings@codethink.co.uk>,
Sasha Levin <sashal@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
linux-kernel@vger.kernel.org,
Tobias Urdin <tobias.urdin@binero.com>
Subject: Re: [PATCH 4.19 STABLE v2 0/2] KVM: VMX: Fix null pointer dereference
Date: Tue, 12 May 2020 13:43:54 +0200 [thread overview]
Message-ID: <20200512114354.GA49138@kroah.com> (raw)
In-Reply-To: <20200512002815.2708-1-sean.j.christopherson@intel.com>
On Mon, May 11, 2020 at 05:28:13PM -0700, Sean Christopherson wrote:
> A simple fix for a null pointer dereference in vmx_vcpu_run() with an
> ugly-but-safe prereq patch.
>
> The even uglier ASM_CALL_CONSTRAINT is gone in v2 as I finally figured
> out why vmx_return was undefined: GCC dropped the entire asm blob because
> all outputs were deemed unused.
Both now queued up, thanks.
greg k-h
prev parent reply other threads:[~2020-05-12 11:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 0:28 [PATCH 4.19 STABLE v2 0/2] KVM: VMX: Fix null pointer dereference Sean Christopherson
2020-05-12 0:28 ` [PATCH 4.19 STABLE v2 1/2] KVM: VMX: Explicitly reference RCX as the vmx_vcpu pointer in asm blobs Sean Christopherson
2020-05-12 0:28 ` [PATCH 4.19 STABLE v2 2/2] KVM: VMX: Mark RCX, RDX and RSI as clobbered in vmx_vcpu_run()'s asm blob Sean Christopherson
2020-05-12 11:43 ` Greg Kroah-Hartman [this message]
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