Hi Mathias, I have run out this issue for v4.14 kernel, but the problem should exist at mainline kernel too, the USB3 interrupt may occur after USB3 HCD structure has removed, and cause oops at xhci_irq. The 2nd and 3rd patches are needed if we return early at xhci_irq when we are removing HCD.
Peter Chen (3): usb: host: xhci: fix oops when removing hcd usb: host: xhci: return -ESHUTDOWN when removing hcd usb: host: xhci: return early for xhci_urb_dequeue when removing hcd drivers/usb/host/xhci-ring.c | 3 ++- drivers/usb/host/xhci.c | 6 ++++-- 2 files changed, 6 insertions(+), 3 deletions(-) -- 2.14.1
