Messages in this thread | | | Subject | Re: [PATCH] xen/events: avoid NULL pointer dereference in evtchn_from_irq() | From | Boris Ostrovsky <> | Date | Thu, 19 Mar 2020 12:01:05 -0400 |
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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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