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Re: USB related crash on 5.99.01


I've been able to reproduce this on current and 5.0_BETA by
disconnecting a umass device while it's in the middle of being
configured. It turns out that on disconnect umass is freeing all active
transfers without removing them from the pipe/queues they're in, and
later on usbdi tries to abort these freed xfers, leading to null

I believe this is now fixed (I can't force the panic any more), the PR
has been updated with details if anyone wants to test this.


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