usb 1-1: media controller created
dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
dvb-usb: bulk message failed: -22 (6/0)
=====================================================
BUG: KMSAN: uninit-value in dib3000mb_attach+0x2e4/0x3d0 drivers/media/dvb-frontends/dib3000mb.c:758
 dib3000mb_attach+0x2e4/0x3d0 drivers/media/dvb-frontends/dib3000mb.c:758
 dibusb_dib3000mb_frontend_attach+0x15a/0x300 drivers/media/usb/dvb-usb/dibusb-mb.c:31
 dvb_usb_adapter_frontend_init+0xe6/0x990 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:290
 dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:90 [inline]
 dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:184 [inline]
 dvb_usb_device_init+0x2697/0x3790 drivers/media/usb/dvb-usb/dvb-usb-init.c:308
 dibusb_probe+0x42/0x250 drivers/media/usb/dvb-usb/dibusb-mb.c:110
 usb_probe_interface+0xc4b/0x11f0 drivers/usb/core/driver.c:396
 really_probe+0x499/0xf50 drivers/base/dd.c:634
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:764
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:794
 __device_attach_driver+0x6f1/0x890 drivers/base/dd.c:917
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:989
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1038
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3428
 usb_set_configuration+0x30f8/0x37e0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x105/0x290 drivers/usb/core/generic.c:238
 usb_probe_device+0x288/0x490 drivers/usb/core/driver.c:293
 really_probe+0x499/0xf50 drivers/base/dd.c:634
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:764
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:794
 __device_attach_driver+0x6f1/0x890 drivers/base/dd.c:917
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:989
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1038
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3428
 usb_new_device+0x17a1/0x2360 drivers/usb/core/hub.c:2566
 hub_port_connect drivers/usb/core/hub.c:5363 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
 port_event drivers/usb/core/hub.c:5663 [inline]
 hub_event+0x5559/0x8050 drivers/usb/core/hub.c:5745
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Local variable rb created at:
 dib3000_read_reg+0x94/0x510 drivers/media/dvb-frontends/dib3000mb.c:54
 dib3000mb_attach+0x10d/0x3d0 drivers/media/dvb-frontends/dib3000mb.c:758

CPU: 0 PID: 122 Comm: kworker/0:2 Not tainted 5.19.0-syzkaller-32655-g1b070a5d1a2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: usb_hub_wq hub_event
=====================================================