DragonFlyBSD Kernel Audit
DF-2336 / run.sh
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#!/bin/sh
echo "=== DF-2336 gate (attach-time/controller-MMIO path) ==="
echo "xhci_pci_take_controller runs ONCE at controller attach (BIOS handoff),"
echo "driven by controller MMIO - not by any userspace syscall."
echo "QEMU's xHCI is benign and already attached at boot; maxx cannot"
echo "re-trigger probe or present a crafted controller."
usbconfig list 2>&1
id maxx 2>&1
echo "==> bug needs a malicious xHCI controller; not reachable from userspace here."
exit 0