Messages in this thread | | | Date | Sun, 17 Jan 2021 15:10:32 +0000 | From | Wei Liu <> | Subject | Re: [PATCH v2] hv_netvsc: Add (more) validation for untrusted Hyper-V values |
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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
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