From: "Theo de Raadt" <deraadt@openbsd.org>
Subject: Re: Maintain preempted copy(9) state in stacktrace_save_utrace()
To: Christian Ludwig <cludwig@genua.de>
Cc: tech@openbsd.org
Date: Sun, 16 Mar 2025 09:31:33 -0600

+       onfault = pcb->pcb_onfault;
+       pcb->pcb_onfault = NULL;

How is this actually different from the previous proposal?

I don't this kind of logic is going to work, it seems simply too
dangerous and not compatible with the decades old design.