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Re: CVS commit: src/tests/net

On Fri, Aug 23, 2019 at 01:41:58PM +0900, Ryota Ozaki wrote:
> A workaround for the issue is:
>   cp /usr/bin/vmstat ./vmstat
>   $HIJACKING ./vmstat
>   rm -f ./vmstat
> It's awkward but it's reasonable for now.  A proper fix would
> be to stop using kvm(3) for vmstat and drop the sgid bit from
> the binary.

Wow, good catch!

> I guess on most anita environments leak checks pass just in luck
> because the environment normally doesn't communicate with outside
> and there are no L2 caches.  OTOH on baremetal environments there
> can be active L2 caches, which makes the leak checks fail.

Sounds like a good explanation.


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