>>
>> The call gic_handle_irq() sounds like a hardware IRQ func/context.
>>
>> The flush_backlog() call is due to the device is being unregistered.
>>
Yes, this is the ARM interrupt controller. It appeared as if wifi was
getting torn down around this.
>> I'm surprised to see kfree_skb() being called from hardirq context, I
>> though that was not allowed.
>>
>> AFAIK this is the reason we have: __dev_kfree_skb_any() which defer
>> freeing the SKB if (in_irq() || irqs_disabled()).
>>
>> Code:
>> void __dev_kfree_skb_any(struct sk_buff *skb, enum skb_free_reason
>> reason)
>> {
>> if (in_irq() || irqs_disabled())
>> __dev_kfree_skb_irq(skb, reason);
>> else
>> dev_kfree_skb(skb);
>> }
>
> Right, but flush_backlog() is processing packets coming from RX, that
> should have no conntracking attached at all.
>
> Might be a bug in a tunnel ?
Thanks Jesper \ Eric. I'll explore into why a conntrack entry is
associated with this skb.
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