From: Wei Liu <wei.liu@kernel.org>
To: Andrea Parri <parri.andrea@gmail.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
linux-kernel@vger.kernel.org,
"K . Y . Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
Wei Liu <wei.liu@kernel.org>,
Michael Kelley <mikelley@microsoft.com>,
Saruhan Karademir <skarade@microsoft.com>,
Juan Vazquez <juvazq@microsoft.com>,
linux-hyperv@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
netdev@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH v2] hv_netvsc: Add (more) validation for untrusted Hyper-V values
Date: Sun, 17 Jan 2021 15:10:32 +0000 [thread overview]
Message-ID: <20210117151032.sbhjryq2hs3ctnlx@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20210116130201.GA1579@anparri>
On Sat, Jan 16, 2021 at 02:02:01PM +0100, Andrea Parri wrote:
> On Fri, Jan 15, 2021 at 08:30:22PM -0800, Jakub Kicinski wrote:
> > On Thu, 14 Jan 2021 21:26:28 +0100 Andrea Parri (Microsoft) wrote:
> > > For additional robustness in the face of Hyper-V errors or malicious
> > > behavior, validate all values that originate from packets that Hyper-V
> > > has sent to the guest. Ensure that invalid values cannot cause indexing
> > > off the end of an array, or subvert an existing validation via integer
> > > overflow. Ensure that outgoing packets do not have any leftover guest
> > > memory that has not been zeroed out.
> > >
> > > Reported-by: Juan Vazquez <juvazq@microsoft.com>
> > > Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
> > > Cc: "David S. Miller" <davem@davemloft.net>
> > > Cc: Jakub Kicinski <kuba@kernel.org>
> > > Cc: Alexei Starovoitov <ast@kernel.org>
> > > Cc: Daniel Borkmann <daniel@iogearbox.net>
> > > Cc: Andrii Nakryiko <andrii@kernel.org>
> > > Cc: Martin KaFai Lau <kafai@fb.com>
> > > Cc: Song Liu <songliubraving@fb.com>
> > > Cc: Yonghong Song <yhs@fb.com>
> > > Cc: John Fastabend <john.fastabend@gmail.com>
> > > Cc: KP Singh <kpsingh@kernel.org>
> > > Cc: netdev@vger.kernel.org
> > > Cc: bpf@vger.kernel.org
> > > ---
> > > Applies to 5.11-rc3 (and hyperv-next).
> >
> > So this is for hyperv-next or should we take it via netdev trees?
>
> No preference, either way is good for me.
To be clear: There is no dependency on any patch in hyperv-next, right?
That's my understanding, but I would like to confirm it.
Wei.
>
> Thanks,
> Andrea
next prev parent reply other threads:[~2021-01-17 15:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-14 20:26 [PATCH v2] hv_netvsc: Add (more) validation for untrusted Hyper-V values Andrea Parri (Microsoft)
2021-01-16 4:30 ` Jakub Kicinski
2021-01-16 13:02 ` Andrea Parri
2021-01-17 15:10 ` Wei Liu [this message]
2021-01-17 17:41 ` Andrea Parri
2021-01-19 4:00 ` patchwork-bot+netdevbpf
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