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SubjectRe: [PATCH] xen/events: avoid NULL pointer dereference in evtchn_from_irq()
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On 3/19/20 3:14 AM, Juergen Gross wrote:
> There have been reports of races in evtchn_from_irq() where the info
> pointer has been NULL.


Do you have an example of how this race happens (and how moving kfree to
rcu will help)?

(I am mostly wondering whether we'd be masking a more serious problem)

-boris


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