usb 2-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer dvbdev: DVB: registering new adapter (Hauppauge 126xxx ATSC) usb 2-1: media controller created dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. usb 2-1: selecting invalid altsetting 1 set interface failed ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 7 at kernel/locking/mutex.c:575 __mutex_lock_common+0x1981/0x2550 kernel/locking/mutex.c:575 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.15.0-rc6-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+0x1981/0x2550 kernel/locking/mutex.c:575 Code: 84 c0 0f 85 62 09 00 00 83 3d 82 e5 df 03 00 0f 85 c0 e7 ff ff 48 c7 c7 20 d8 4e 8a 48 c7 c6 60 d8 4e 8a 31 c0 e8 ff 4f 51 f7 <0f> 0b e9 a4 e7 ff ff e8 1b fd 03 f7 e9 bc fb ff ff 0f 0b e9 3a f1 RSP: 0018:ffffc90000cc64e0 EFLAGS: 00010246 RAX: 1c1bb808376b6c00 RBX: ffffc90000cc65a0 RCX: 0000000000040000 RDX: ffffc90016f92000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90000cc6648 R08: ffffffff81693402 R09: ffffed1017383f2c R10: ffffed1017383f2c R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4151e92000 CR3: 0000000073737000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:743 mxl111sf_ctrl_msg+0xe6/0x270 drivers/media/usb/dvb-usb-v2/mxl111sf.c:66 mxl111sf_write_reg+0xcd/0x1e0 drivers/media/usb/dvb-usb-v2/mxl111sf.c:123 mxl1x1sf_soft_reset+0x5a/0x1e0 drivers/media/usb/dvb-usb-v2/mxl111sf-phy.c:47 mxl111sf_lgdt3305_frontend_attach+0x1c9/0x7d0 drivers/media/usb/dvb-usb-v2/mxl111sf.c:447 dvb_usbv2_adapter_frontend_init+0xd5/0xa00 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:642 dvb_usbv2_adapter_init+0x576/0xa80 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:805 dvb_usbv2_init+0x145/0x600 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:866 dvb_usbv2_probe+0x7a7/0xaa0 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:981 usb_probe_interface+0x633/0xb40 drivers/usb/core/driver.c:396 call_driver_probe+0x96/0x250 really_probe+0x223/0x9b0 drivers/base/dd.c:596 __driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:751 driver_probe_device+0x50/0x240 drivers/base/dd.c:781 __device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:898 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427 __device_attach+0x310/0x560 drivers/base/dd.c:969 bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487 device_add+0x11c8/0x16d0 drivers/base/core.c:3396 usb_set_configuration+0x1a86/0x2100 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238 usb_probe_device+0x13a/0x260 drivers/usb/core/driver.c:293 call_driver_probe+0x96/0x250 really_probe+0x223/0x9b0 drivers/base/dd.c:596 __driver_probe_device+0x1f8/0x3e0 drivers/base/dd.c:751 driver_probe_device+0x50/0x240 drivers/base/dd.c:781 __device_attach_driver+0x1e1/0x3b0 drivers/base/dd.c:898 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427 __device_attach+0x310/0x560 drivers/base/dd.c:969 bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487 device_add+0x11c8/0x16d0 drivers/base/core.c:3396 usb_new_device+0x108a/0x1940 drivers/usb/core/hub.c:2563 hub_port_connect+0x1075/0x27d0 drivers/usb/core/hub.c:5348 hub_port_connect_change+0x5f9/0xc20 drivers/usb/core/hub.c:5488 port_event+0xb67/0x1220 drivers/usb/core/hub.c:5634 hub_event+0x4ed/0xe40 drivers/usb/core/hub.c:5716 process_one_work+0x853/0x1140 kernel/workqueue.c:2297 worker_thread+0xac1/0x1320 kernel/workqueue.c:2444 kthread+0x453/0x480 kernel/kthread.c:319 ret_from_fork+0x1f/0x30