Re: [PATCH] hv_utils: Add validation for untrusted Hyper-V values

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On Tue, Jul 28, 2020 at 5:04 PM Stephen Hemminger
<sthemmin@xxxxxxxxxxxxx> wrote:
>
> You may want to use one of the macros that prints this once only.
> This is a "should never happen" type error, so if something goes wrong it might happens so much that journal/syslog would get overloaded.

Certainly, printing error messages once would be ideal if we were only
dealing with Linux kernel bugs. But under the assumption that Hyper-V
can send bogus values at any time, I think it would be better to print
error messages every time so that we are aware of malicious/erroneous
data sent by the host.



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