dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
usb 3-1: selecting invalid altsetting 1
set interface failed
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 9524 at kernel/locking/mutex.c:938 __mutex_lock_common kernel/locking/mutex.c:938 [inline]
WARNING: CPU: 1 PID: 9524 at kernel/locking/mutex.c:938 __mutex_lock+0xc06/0x1110 kernel/locking/mutex.c:1103
Modules linked in:
CPU: 1 PID: 9524 Comm: kworker/1:3 Not tainted 5.11.0-rc3-next-20210115-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:938 [inline]
RIP: 0010:__mutex_lock+0xc06/0x1110 kernel/locking/mutex.c:1103
Code: 08 84 d2 0f 85 a3 04 00 00 8b 05 bd 02 07 04 85 c0 0f 85 12 f5 ff ff 48 c7 c6 80 8a 4b 89 48 c7 c7 40 88 4b 89 e8 b8 25 bd ff <0f> 0b e9 f8 f4 ff ff 65 48 8b 1c 25 00 f0 01 00 be 08 00 00 00 48
RSP: 0018:ffffc9000bcf6de0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815b6f65 RDI: fffff5200179edae
RBP: ffff8880116919d8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b013e R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888011691958 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8a5793b380 CR3: 00000000211c7000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 mxl111sf_ctrl_msg+0xc2/0x240 drivers/media/usb/dvb-usb-v2/mxl111sf.c:66
 mxl111sf_write_reg+0x9a/0x150 drivers/media/usb/dvb-usb-v2/mxl111sf.c:123
 mxl1x1sf_soft_reset+0x6b/0x190 drivers/media/usb/dvb-usb-v2/mxl111sf-phy.c:47
 mxl111sf_lgdt3305_frontend_attach.constprop.0+0x24c/0x7c0 drivers/media/usb/dvb-usb-v2/mxl111sf.c:447
 mxl111sf_frontend_attach_mercury+0x22/0xa0 drivers/media/usb/dvb-usb-v2/mxl111sf.c:1004
 dvb_usbv2_adapter_frontend_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:642 [inline]
 dvb_usbv2_adapter_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:805 [inline]
 dvb_usbv2_init drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:866 [inline]
 dvb_usbv2_probe.cold+0x2593/0x2fb2 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:981
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 really_probe+0x291/0xe60 drivers/base/dd.c:554
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:914
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3166
 usb_set_configuration+0x113c/0x1910 drivers/usb/core/message.c:2164
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 really_probe+0x291/0xe60 drivers/base/dd.c:554
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:914
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3166
 usb_new_device.cold+0x725/0x1057 drivers/usb/core/hub.c:2555
 hub_port_connect drivers/usb/core/hub.c:5223 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2348/0x42d0 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296