usb 6-1: New USB device found, idVendor=14aa, idProduct=0226, bcdDevice=42.64 usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 6-1: config 0 descriptor?? dvb-usb: found a 'WideView WT-220U PenType Receiver (Typhoon/Freecom)' in warm state. ===================================================== BUG: KMSAN: uninit-value in number+0x32e/0x1e40 lib/vsprintf.c:436 CPU: 1 PID: 12067 Comm: kworker/1:6 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x191/0x1f0 lib/dump_stack.c:113 kmsan_report+0x128/0x220 mm/kmsan/kmsan_report.c:108 __msan_warning+0x73/0xe0 mm/kmsan/kmsan_instr.c:245 number+0x32e/0x1e40 lib/vsprintf.c:436 vsnprintf+0x1e99/0x3210 lib/vsprintf.c:2576 vscnprintf+0xc2/0x180 lib/vsprintf.c:2613 vprintk_store+0xef/0x11e0 kernel/printk/printk.c:1921 vprintk_emit+0x2fd/0x8d0 kernel/printk/printk.c:1984 vprintk_default+0x90/0xa0 kernel/printk/printk.c:2029 vprintk_func+0x635/0x810 kernel/printk/printk_safe.c:386 printk+0x180/0x1c3 kernel/printk/printk.c:2062 dvb_usb_generic_rw+0x8ec/0xea0 drivers/media/usb/dvb-usb/dvb-usb-urb.c:36 dvb_usb_generic_write+0xac/0xc0 drivers/media/usb/dvb-usb/dvb-usb-urb.c:66 dtt200u_power_ctrl+0x118/0x1b0 drivers/media/usb/dvb-usb/dtt200u.c:34 dvb_usb_device_power_ctrl drivers/media/usb/dvb-usb/dvb-usb-init.c:236 [inline] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:170 [inline] dvb_usb_device_init+0x173f/0x2e10 drivers/media/usb/dvb-usb/dvb-usb-init.c:287 dtt200u_usb_probe+0x153/0x310 drivers/media/usb/dvb-usb/dtt200u.c:150 usb_probe_interface+0xd19/0x1310 drivers/usb/core/driver.c:361 really_probe+0xd91/0x1f90 drivers/base/dd.c:552 driver_probe_device+0x1ba/0x510 drivers/base/dd.c:721 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:828 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:430 __device_attach+0x489/0x750 drivers/base/dd.c:894 device_initial_probe+0x4a/0x60 drivers/base/dd.c:941 bus_probe_device+0x131/0x390 drivers/base/bus.c:490 device_add+0x25b5/0x2df0 drivers/base/core.c:2201 usb_set_configuration+0x309f/0x3710 drivers/usb/core/message.c:2027 generic_probe+0xe7/0x280 drivers/usb/core/generic.c:210 usb_probe_device+0x146/0x200 drivers/usb/core/driver.c:266 really_probe+0xd91/0x1f90 drivers/base/dd.c:552 driver_probe_device+0x1ba/0x510 drivers/base/dd.c:721 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:828 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:430 __device_attach+0x489/0x750 drivers/base/dd.c:894 device_initial_probe+0x4a/0x60 drivers/base/dd.c:941 bus_probe_device+0x131/0x390 drivers/base/bus.c:490 device_add+0x25b5/0x2df0 drivers/base/core.c:2201 usb_new_device+0x23e5/0x2fb0 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x581d/0x72f0 drivers/usb/core/hub.c:5441 process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269 worker_thread+0x111b/0x2460 kernel/workqueue.c:2415 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Local variable description: ----actlen@dvb_usb_generic_rw Variable was created at: dvb_usb_generic_rw+0xd3/0xea0 drivers/media/usb/dvb-usb/dvb-usb-urb.c:14 dvb_usb_generic_rw+0xd3/0xea0 drivers/media/usb/dvb-usb/dvb-usb-urb.c:14 =====================================================