Re: rcu_preempt detected stalls related to ebpf

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On Sat, Jun 15, 2024 at 12:09 AM Zac Ecob <zacecob@xxxxxxxxxxxxxx> wrote:
>
> > I reduced the reproducer to the following:
>
> Thank you for minimising the repro - I didn't think to do it myself. Apologies.
>
> > The verifier doesn't process the (s8) instruction correctly.
>
> I took a further look out of curiosity and managed to properly crash the kernel. I think it might have security implications?
> I haven't attached a repro for this because of such (though I could perhaps email it directly?).
>
> Not sure how best to precede?

Pls focus your efforts on fixing the bug.





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