Warning: Permanently added '10.128.0.138' (ECDSA) to the list of known hosts.
syzkaller login: [   72.615006][ T3171] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   72.855492][ T3171] usb 1-1: Using ep0 maxpacket: 32
[   72.975088][ T3171] usb 1-1: config 0 has an invalid interface number: 183 but max is 1
[   72.983468][ T3171] usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping
[   72.993889][ T3171] usb 1-1: config 0 has no interface number 1
[   73.000340][ T3171] usb 1-1: config 0 interface 183 altsetting 208 has an invalid endpoint with address 0x0, skipping
[   73.011538][ T3171] usb 1-1: config 0 interface 183 altsetting 208 has an invalid endpoint with address 0x0, skipping
[   73.022804][ T3171] usb 1-1: config 0 interface 0 has no altsetting 0
[   73.030020][ T3171] usb 1-1: config 0 interface 183 has no altsetting 0
[   73.195020][ T3171] usb 1-1: New USB device found, idVendor=2040, idProduct=d863, bcdDevice= b.76
[   73.204554][ T3171] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   73.213424][ T3171] usb 1-1: Product: syz
[   73.218270][ T3171] usb 1-1: Manufacturer: syz
[   73.222856][ T3171] usb 1-1: SerialNumber: syz
[   73.232101][ T3171] usb 1-1: config 0 descriptor??
[   73.277574][ T3171] usb 1-1: dvb_usb_v2: found a 'Hauppauge Mercury' in warm state
[   73.292485][ T3171] usb 1-1: dvb_usb_v2: will pass the complete MPEG2 transport stream to the software demuxer
[   73.305179][ T3171] dvbdev: DVB: registering new adapter (Hauppauge Mercury)
[   73.312776][ T3171] usb 1-1: media controller created
[   73.328102][ T3171] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[   73.358721][ T3171] usb 1-1: selecting invalid altsetting 1
[   73.364586][ T3171] set interface failed
[   73.364603][ T3171] ------------[ cut here ]------------
[   73.394751][ T3171] DEBUG_LOCKS_WARN_ON(lock->magic != lock)
[   73.394829][ T3171] WARNING: CPU: 1 PID: 3171 at kernel/locking/mutex.c:931 __mutex_lock+0xc0b/0x1120
[   73.415755][ T3171] Modules linked in:
[   73.419656][ T3171] CPU: 1 PID: 3171 Comm: kworker/1:2 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0
[   73.430989][ T3171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   73.441752][ T3171] Workqueue: usb_hu