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Message-ID: <3c0a8a858a805789b9c71b7e54e316403fc41d5e.camel@kernel.org>
Subject: Re: [PATCH v2] KVM: x86: Handle SRCU initialization failure during
 page track init
From:   Jarkko Sakkinen <jarkko@kernel.org>
To:     tcs.kernel@gmail.com, pbonzini@redhat.com, seanjc@google.com,
        vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com,
        kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     Haimin Zhang <tcs_kernel@tencent.com>
Date:   Fri, 03 Sep 2021 09:59:12 +0300
In-Reply-To: <1630636626-12262-1-git-send-email-tcs_kernel@tencent.com>
References: <1630636626-12262-1-git-send-email-tcs_kernel@tencent.com>
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On Fri, 2021-09-03 at 10:37 +0800, tcs.kernel@gmail.com wrote:
> From: Haimin Zhang <tcs_kernel@tencent.com>
>=20
> Check the return of init_srcu_struct(), which can fail due to OOM, when
> initializing the page track mechanism.  Lack of checking leads to a NULL
> pointer deref found by a modified syzkaller.
>=20
> Signed-off-by: Haimin Zhang <tcs_kernel@tencent.com>
> Signed-off-by: Sean Christopherson <seanjc@google.com>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> Reported-by: TCS Robot <tcs_robot@tencent.com>

I'd drop reported-by. It's not a person (I guess) and the desc
is self-contained already.

Anyway,

Acked-by: Jarkko Sakkinen <jarkko@kernel.org>

/Jarkko