On Wed, Sep 09, 2026 at 06:38:02PM -0700, Farhad Alemi wrote:
Hello,
We are reporting the following crash (reproducer and a proposed patch attached):
Great, please submit the patch properly so that we can review and apply it if it works.
Linux version 7.3.0-rc2 50d05c7c76c96b90462f24debacca971d2e86713 Build Config: UpstreamAppArmorKASAN (KASAN + UBSAN, panic_on_warn=1)
[ 44.000772][ T804] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 44.163699][ T804] usb 3-1: New USB device found, idVendor=18d1, idProduct=1eaf, bcdDevice= 1.00 [ 44.169786][ T804] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.212054][ T12] greybus 1-svc: set power mode = 0 [ 44.212064][ T12] greybus 1-svc: power mode change failed on AP to switch link: -5 [ 44.213758][ C1] greybus greybus1: 0/0:0: short response 0x94 received (8 < 9) [ 44.215179][ T9337] greybus greybus1: 0/0:0: synchronous operation id 0x0003 of type 0x14 failed: -90 [ 44.215216][ T9337] greybus 1-svc: failed to get rail count: -90 [ 44.234071][ T9337] greybus 1-2.2: Interface added (greybus) [ 44.234080][ T9337] greybus 1-2.2: GMP VID=0x00000001, PID=0x00000001 [ 44.234087][ T9337] greybus 1-2.2: DDBL1 Manufacturer=0x00000126,
I'm guessing this is an emulated device, not a real one?
thanks,
greg k-h